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nitrogen-filled immersion 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truncheon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8732950/a-box-of-glass-plate-negatives-from-great-western-railway</loc><lastmod>2026-01-09T15:17:29.364Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8733075/a-box-of-glass-plate-negatives-from-great-western-railway</loc><lastmod>2026-01-09T15:17:29.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co46659/example-of-smallest-size-ideal-saw-guard-on-mode</loc><lastmod>2026-01-09T15:17:29.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/745/377/large_smg00650830.jpg</image:loc><image:title>example of smallest size &quot;Ideal&quot; saw guard on 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flask</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/249/662/large_cd0072_007_050118_ms_1991_347_17_henry_flask.jpg</image:loc><image:title>laboratory flask</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/561/large_smg00244050.jpg</image:loc><image:title>laboratory flask</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20649/sulphide-of-copper-from-greenland</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/850/large_smg00095799.jpg</image:loc><image:title>Sulphide of copper from Greenland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806131/a-box-of-cellulose-accetate-from-british-railways-london-midland-region-euston-photographic-unit</loc><lastmod>2026-01-09T15:17:29.364Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405194/magneto-telephone</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/840/large_smg00247195.jpg</image:loc><image:title>Magneto Telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20539/copper-produced-by-mixing-copper-bisulphide-with-two-equivalents-of-cupric-oxide</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/859/large_smg00095816.jpg</image:loc><image:title>Copper produced by mixing copper bisulphide with two equivalents of cupric oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404655/part-of-a-compression-pump-used-by-james-joule</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/236/914/large_cd0183_005_051021_cs1_1969_5_11_pump.jpg</image:loc><image:title>Part of a compression pump used by James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8733238/a-box-of-glass-plate-negatives-from-great-western-railwaybritish-railways-western-region</loc><lastmod>2026-01-09T15:17:29.364Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410066/ferranti-turbine-rotor</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/308/large_cd0451_008_081111_1996_10_742_ferranti_5a_turbine_rotor.jpg</image:loc><image:title>Ferranti turbine rotor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666959/duranol-brilliant-blue-dye-sample</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8732989/a-box-of-glass-plate-negatives-from-great-western-railway</loc><lastmod>2026-01-09T15:17:29.364Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409797/ferranti-television</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/347/large_smg00246743.jpg</image:loc><image:title>Ferranti Television</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668949/dye-sample-anthracene-chrome-red</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409864/rheostat-type-e9pailinra-radio-componenet</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/399/large_cd0474_005_081216_1996_10_535_ferranti_9d_radio_component.jpg</image:loc><image:title>Rheostat type E9PAILINRA radio componenet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407639/linecasting-matrices</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/557/large_smg00247030.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20635/german-copper-ore</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/572/large_smg00095790.jpg</image:loc><image:title>German copper ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15647/rollfilm-sanderson-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/10/large_smg00450610.jpg</image:loc><image:title>Rollfilm Sanderson folding bellows camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20774/crystallized-matter-from-copper-works-swansea</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/926/large_smg00096324.jpg</image:loc><image:title>Crystallized matter from copper works, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20420/coal-from-chimney-corner-cape-breton-island</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/343/large_smg00087420.jpg</image:loc><image:title>Coal from &quot;Chimney corner,&quot; Cape Breton Island</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20465/fire-clay-from-edensor-carboniferous-beds-near-derby</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/466/large_smg00091243.jpg</image:loc><image:title>Fire-clay from  Edensor, carboniferous beds near Derby</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409359/ferranti-b2-transformer</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/950/large_cd0485_017_090106_1996_10_42_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti B2 transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408873/x-stencil</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/948/large_cd0437_003_081103_1995_1_68_stencil.jpg</image:loc><image:title>&apos;X&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407050/wrns-tool-box</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/124/large_smg00248895.jpg</image:loc><image:title>WRNS Tool Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671180/experimental-chemical-tribenzoylanthrapurpurine</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409331/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/663/large_smg00249573__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/665/large_smg00249573__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/664/large_smg00249573__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670393/apiin-from-parsley-a-sample-chemical</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405197/galvanometer-telegraph</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/115/large_smg00247281__0004_.jpg</image:loc><image:title>Galvanometer Telegraph</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/114/large_smg00247281__0003_.jpg</image:loc><image:title>Galvanometer Telegraph</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/112/large_smg00247281__0001_.jpg</image:loc><image:title>Galvanometer Telegraph</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/113/large_smg00247281__0002_.jpg</image:loc><image:title>Galvanometer Telegraph</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405868/monitor-and-keyboard-for-48k-minicomputer</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/249/680/large_cd0072_026_050118_eg_1984_170_7_monitor_keyboard.jpg</image:loc><image:title>Monitor and Keyboard for 48K Minicomputer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/987/large_smg00357371.jpg</image:loc><image:title>Monitor and Keyboard for 48K Minicomputer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20428/no-3-glamorgan-coke</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/393/large_smg00088116.jpg</image:loc><image:title>No. 3 Glamorgan coke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408971/im-salem-business-sign</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/369/large_cd0126_010_050721_t_1995_1_298_im_salem_sign.jpg</image:loc><image:title>I.M. Salem Business Sign</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/185/large_smg00216562.jpg</image:loc><image:title>I.M. Salem Business Sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21038/white-copper-from-the-province-of-yun-nan-china</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/795/large_smg00099151.jpg</image:loc><image:title>&quot;White copper&quot; from the Province of Yun-nan, China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21194/samples-of-brass-intended-for-railway-bearings</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/659/large_smg00313854.jpg</image:loc><image:title>Samples of brass intended for railway bearings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409077/trademark-printint-block</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/365/large_cd0696_019_121003_1995_2__87_printing_block.jpg</image:loc><image:title>Trademark printint block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/295/215/large_y1995_0002_0087__0001_.jpg</image:loc><image:title>Trademark printint block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16091/ensignette-1920</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/797/large_smg00450783.jpg</image:loc><image:title>Ensignette, 1920</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406489/pickaxe-head</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/556/large_cd0646_070_110315_lcmc_t215_pick_blade.jpg</image:loc><image:title>Pickaxe Head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410083/ferranti-electrical-component</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/899/large_cd0443_020_081106_1996_10_761_ferranti_1c_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409061/textile-printing-block</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/317/large_cd0127_011_050721_t_1995_2_71_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/226/large_smg00249046.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404663/force-pump-made-by-e-t-bell</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/591/large_smg00362397.jpg</image:loc><image:title>Force Pump, made by E. T. Bell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664581/sample-chemicals-sodium-vanadate-and-vanadite</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664568/sample-chemicals-tungsten-di-iodide</loc><lastmod>2026-01-09T15:17:30.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409681/brain-cannulaes</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20399/six-foot-coal-from-mynydd-newydd-colliery-swansea-glamorganshire</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/333/large_smg00087410.jpg</image:loc><image:title>&quot;Six-foot&quot; coal from Mynydd Newydd Colliery, Swansea, Glamorganshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21388/new-zealand-pitch-coal-from-shag-point-otago</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/878/large_smg00091151.jpg</image:loc><image:title>New Zealand pitch coal from Shag Point, Otago</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409133/deputys-stick-coal-mining</loc><lastmod>2026-01-09T15:17:30.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/246/large_cd0675_036_120105_lcmc_t1887_2_deputy_s_stick.jpg</image:loc><image:title>Deputy&apos;s stick, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405928/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/266/large_cd0631_071_100827_1984_170_45_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409354/ferranti-voltmeter</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/717/large_cd0447_004_081107_1996_10_37_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669915/experimental-chemical-b3-methyl-indophenazine</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16169/kodak-model-no1-autographic-folding-bellows-camera-for-rollfolm-no120</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/420/large_smg00452073.jpg</image:loc><image:title>Kodak Model No.1 Autographic Folding Bellows Camera for Rollfolm No.120</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20795/slag-from-refining-chilian-bar-copper</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/608/large_smg00096342.jpg</image:loc><image:title>Slag from refining Chilian bar copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670937/experimental-chemical-diacethylanthraflavic-acid</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409111/30-ml-excel-elixir-worm-expeller</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/204/large_cd0698_003_121024_1995_2_149_roberts_excel_elixir.jpg</image:loc><image:title>30 ml Excel Elixir Worm Expeller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20879/porous-copper-from-a-refinery-mansfeld-saxony</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/808/large_smg00099198.jpg</image:loc><image:title>Porous copper from a refinery, Mansfeld, Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co147987/enamelled-chamber-pot</loc><lastmod>2026-01-09T15:17:31.325Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664407/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15736/folding-bellows-camera-for-plates-or-cut-film-negative-size-2-12-x-3-12</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/742/large_smg00450685.jpg</image:loc><image:title>Folding bellows camera for plates or cut film  negative size 2 1/2 x 3 1/2&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16139/agfa-self-erecting-folding-camera-for-rollfilm-no120</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/47/large_smg00450802.jpg</image:loc><image:title>Agfa self-erecting folding camera for rollfilm No.120</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410107/ferranti-solar-semi-conductor-panel</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/993/large_smg00246158.jpg</image:loc><image:title>Ferranti Solar  Semi-Conductor Panel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21408/bolt-that-has-been-in-a-ships-timbers-six-years</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409891/rca-thermionic-valve</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/58/large_cd0480_015_081222_1996_10_562_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>RCA thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/136/large_smg00243509.jpg</image:loc><image:title>RCA thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20930/residual-copper-from-the-liquation-kiehnstocke</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/932/large_smg00096360.jpg</image:loc><image:title>Residual copper from the liquation, &quot;Kiehnstocke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796603/scientific-publication-thermodynamics-of-black-holes-in-anti-de-sitter-space</loc><lastmod>2026-01-09T15:17:31.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/625/large_smg00340262__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Thermodynamics of black holes in anti - de Sitter space’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/623/large_smg00340262__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Thermodynamics of black holes in anti - de Sitter space’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/624/large_smg00340262__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Thermodynamics of black holes in anti - de Sitter space’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403025/colzalene-container-made-for-storing-lamp-oil</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/333/large_cd0627_001_100723_lcmc_t1600_cannister_for_lamp_oil.jpg</image:loc><image:title>Colzalene container made for storing lamp oil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20622/copper-shale-showing-richer-vein-of-copper-ore-from-sangershausen-saxony</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/569/large_smg00096295.jpg</image:loc><image:title>Copper shale, showing richer vein of copper ore, from Sangershausen, Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404670/double-walled-cylindrical-vessel</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/39/large_smg00250556__0001_.jpg</image:loc><image:title>Double-Walled Cylindrical Vessel</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/41/large_smg00250556__0003_.jpg</image:loc><image:title>Double-Walled Cylindrical Vessel</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/40/large_smg00250556__0002_.jpg</image:loc><image:title>Double-Walled Cylindrical Vessel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669919/experimental-chemical-p-tolyl-hydrazon-of-nitroisatine</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20318/venallt-coal</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/377/large_smg00087515.jpg</image:loc><image:title>Venallt coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21389/new-zealand-coal</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/879/large_smg00091152.jpg</image:loc><image:title>New Zealand coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20258/resin-from-botany-bay</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/316/large_smg00085354.jpg</image:loc><image:title>Resin from Botany Bay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408946/pencil-sharpener</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/456/large_cd0125_007_050721_t_1995_1_264_pencil_sharpener.jpg</image:loc><image:title>Pencil Sharpener</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409670/insulated-suction-tube</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/359/large_smg00265292.jpg</image:loc><image:title>Insulated suction tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21403/haltings-coal-from-camdeboo-mountain-south-africa</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/875/large_smg00091148.jpg</image:loc><image:title>&quot;Haltings&quot; coal, from Camdeboo Mountain, South Africa</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408901/textile-face-plate-sample</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21026/atten-copper</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/489/large_smg00096762.jpg</image:loc><image:title>Atten copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409062/textile-printing-block</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/806/large_cd0121_095_050713_y1995_2_72_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/615/large_smg00248181.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20893/copper-regulus-stein</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/821/large_smg00099217.jpg</image:loc><image:title>Copper regulus, &quot;Stein&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409784/sample-of-ferranti-concentric-main-supply-cable</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/224/large_smg00250725.jpg</image:loc><image:title>Sample of Ferranti Concentric Main Supply Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403919/food-tin</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/256/large_cd0664_009_111004_lcmc_t720_2_food_tin.jpg</image:loc><image:title>Food tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20417/coal-from-vale-colliery</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/346/large_smg00087423.jpg</image:loc><image:title>Coal from Vale Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21342/labuan-coal-analysed-by-wj-ward-1865</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/822/large_smg00087254.jpg</image:loc><image:title>Labuan coal, analysed by W.J. Ward, 1865</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21078/copper-wire</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/428/large_smg00102512.jpg</image:loc><image:title>Copper wire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21085/copper-sheathing-from-yacht-plymouth-put-on-march-1825-removed-march-1846</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/585/large_smg00001125.jpg</image:loc><image:title>Copper sheathing from yacht &quot;Plymouth&quot;, put on March 1825, removed March 1846</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409653/ferranti-electric-clock</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/752/large_cd0448_019_081110_1996_10_321_ferranti_5c_clock.jpg</image:loc><image:title>Ferranti electric clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409901/cossor-type-py81-thermionic-valve</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/999/large_cd0487_022_090109_1996_10_572_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Cossor type Py81 thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409674/ferranti-ammeter</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/155/large_cd0455_020_081125_1996_10_342_ferranti_6e_ammeter.jpg</image:loc><image:title>Ferranti ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21128/copper-sheathing-from-the-bottom-of-hms-argus</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/558/large_smg00001097.jpg</image:loc><image:title>Copper sheathing from the bottom of H.M.S. &quot;Argus&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409814/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/763/large_cd0449_008_081111_1996_10_485_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16406/box-tengor-camera-1932</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/503/large_smg00452352.jpg</image:loc><image:title>Box-Tengor Camera, 1932</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667187/soluble-blue-green-shade-dye-sample</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21322/old-sheathing-very-little-worn</loc><lastmod>2026-01-09T15:17:33.728Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409731/mullard-model-ecc83-termionic</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/288/large_cd0478_015_081222_1996_10_399_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard model ECC83 termionic</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/343/large_smg00243781.jpg</image:loc><image:title>Mullard model ECC83 termionic</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667822/benzo-fast-blue-dye-sample</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409994/group-of-17-electrical-components</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/74/large_cd0481_009_081223_1996_10_670_5_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/77/large_cd0481_012_081223_1996_10_670_8_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/70/large_cd0481_005_081223_1996_10_670_1_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/75/large_cd0481_010_081223_1996_10_670_6_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/72/large_cd0481_007_081223_1996_10_670_3_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/78/large_cd0481_013_081223_1996_10_670_9_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/73/large_cd0481_008_081223_1996_10_670_4_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/71/large_cd0481_006_081223_1996_10_670_2_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/76/large_cd0481_011_081223_1996_10_670_7_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/79/large_cd0481_014_081223_1996_10_670_10_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/81/large_cd0481_016_081223_1996_10_670_12_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/84/large_cd0481_019_081223_1996_10_670_15_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/82/large_cd0481_017_081223_1996_10_670_13_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/85/large_cd0481_020_081223_1996_10_670_16_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/80/large_cd0481_015_081223_1996_10_670_11_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/86/large_cd0481_021_081223_1996_10_670_17_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/83/large_cd0481_018_081223_1996_10_670_14_ferranti_10b_electrical_component.jpg</image:loc><image:title>Group of 17 electrical components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405680/shunters-electric-lamp</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410038/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/10/large_cd0488_011_090109_1996_10_714_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/15/large_smg00243374.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21061/copper-wire-becomes-dry-under-special-circumstances</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/869/large_smg00089933.jpg</image:loc><image:title>Copper wire becomes dry under special circumstances</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670595/sample-of-dye-benzene</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409475/ernest-turner-electric-meter</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/731/large_cd0447_018_081107_1996_10_155_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ernest Turner electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21346/coal-no2</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/404/large_smg00088260.jpg</image:loc><image:title>Coal no.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20743/deposit-coating-the-bricks-inside-the-stack-of-the-ore-furnace-at-mines-royal</loc><lastmod>2026-01-09T15:17:33.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/578/large_smg00096304.jpg</image:loc><image:title>Deposit coating the bricks inside the stack of the ore-furnace at Mines Royal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20319/wain-y-coed-coal</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/384/large_smg00087522.jpg</image:loc><image:title>&quot;Wain-y-Coed&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666873/brentamine-fast-scarlet-dye-sample</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407068/brush</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/290/large_smg00249127.jpg</image:loc><image:title>Brush</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20497/part-of-a-chinese-made-brick-bendigo-gold-fields</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/908/large_smg00091220.jpg</image:loc><image:title>Part of a Chinese made brick; Bendigo Gold Fields</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408905/textile-face-plate-sample</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408806/printing-block</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/545/large_smg00247015.jpg</image:loc><image:title>Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409705/surgical-skull-forceps</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/328/large_smg00265258.jpg</image:loc><image:title>Surgical skull forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409071/trademark-printing-block</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/320/large_cd0127_014_050721_t_1995_2_81_printing_block.jpg</image:loc><image:title>Trademark printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/295/214/large_y1995_0002_0081__0001_.jpg</image:loc><image:title>Trademark printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21022/residue-obtained-in-copper-eletrotyping</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/389/525/large_smg00241424.jpg</image:loc><image:title>Residue obtained in copper eletrotyping</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669974/experimental-chemical-indirubin</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20828/once-roasted-ore-furnace-regulus-kupferstein-hettstedt</loc><lastmod>2026-01-09T15:17:34.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/635/large_smg00096416.jpg</image:loc><image:title>Once roasted ore-furnace regulus, &quot;Kupferstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20359/four-feet-seam</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670396/experimental-chemical-crystallised-carminic-acid</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409747/ediswan-thermionic-valve</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/300/large_cd0479_005_081222_1996_10_415_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Ediswan thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/972/large_smg00243309.jpg</image:loc><image:title>Ediswan thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16512/eclipse-collapsible-bellows-camera</loc><lastmod>2026-01-09T15:17:35.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/602/large_smg00450822.jpg</image:loc><image:title>Eclipse Collapsible Bellows Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8402812/electric-discharge-tube</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/42/large_smg00250559.jpg</image:loc><image:title>Electric Discharge Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406193/alarm-bell-by-davis-derby</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20602/silicide-of-copper-prepared-by-heating-copper-with-sand-and-charcoal-at-a-high-temperature</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/915/large_smg00095906.jpg</image:loc><image:title>Silicide of copper, prepared by heating copper with sand and charcoal at a high temperature</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20827/ore-furnace-regulus-kupferstein-hettstedt</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/629/large_smg00096410.jpg</image:loc><image:title>Ore-furnace regulus, &quot;Kupferstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21087/copper-sheathing-from-hms-cambrian-marked-g</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/582/large_smg00001122.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Cambrian,&quot; marked &quot;G&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409988/ferranti-type-rd13548m-electrical-component</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/4/large_cd0488_005_090109_1996_10_664_ferranti_11a_electrical_component.jpg</image:loc><image:title>Ferranti type RD13548M electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403981/box-of-10-co-test-tubes-for-carbon-dioxide-estimation</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/255/large_cd0664_008_111004_lcmc_t541_combustion_instruments.jpg</image:loc><image:title>Box of 10 &apos;Co-Test&apos; Tubes for carbon dioxide estimation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408098/laboratory-apparatus</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/516/large_cd0713_047_130904_1991_347_5_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/773/large_cd0086_011_050301_ms_1991_347_5_special_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796008/scientific-publication-causally-continuous-spacetimes</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/689/large_smg00340334__0003_.jpg</image:loc><image:title>Scientific Publication: &apos;Causally Continuous Spacetimes’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/688/large_smg00340334__0002_.jpg</image:loc><image:title>Scientific Publication: &apos;Causally Continuous Spacetimes’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/687/large_smg00340334__0001_.jpg</image:loc><image:title>Scientific Publication: &apos;Causally Continuous Spacetimes’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668821/dye-sample-rubianine</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406220/section-of-rail</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/646/large_cd0647_062_110315_lcmc_t136_section_of_rail.jpg</image:loc><image:title>Section of rail.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409696/3-gigli-saw-guidesprotectors</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409824/gyroscope-demonstration-model</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/911/large_cd0444_010_081106_1996_10_495_ferranti_2e_gyroscope.jpg</image:loc><image:title>Gyroscope demonstration model</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669856/experimental-chemical-bichloranthracene</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409035/textile-printing-block</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/803/large_cd0121_093_050713_y1995_2_45_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/969/large_smg00248609.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21028/slab-of-copper-from-lake-superior</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/491/large_smg00096764.jpg</image:loc><image:title>Slab of copper from Lake Superior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20225/lignite-from-venezuela</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405932/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/270/large_cd0632_003_100827_1984_170_49_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404714/copper-cylinder-used-by-james-joule</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/237/601/large_cd0176_015_051013_cs1_1969_5_74_copper_cylinder.jpg</image:loc><image:title>Copper cylinder used by James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/410/large_smg00244852__0001_.jpg</image:loc><image:title>Copper cylinder used by James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/412/large_smg00244852__0003_.jpg</image:loc><image:title>Copper cylinder used by James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/411/large_smg00244852__0002_.jpg</image:loc><image:title>Copper cylinder used by James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403975/sign-explosives</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/29/large_cd0659_065_110809_lcmc_t601_sign.jpg</image:loc><image:title>Sign - &apos;Explosives...&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21035/copper-produced-by-roddas-patent-from-australian-exhibits-1862-exhibition</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/504/large_smg00096823.jpg</image:loc><image:title>Copper produced by Rodda&apos;s patent, from Australian Exhibits, 1862 Exhibition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409819/metal-rod</loc><lastmod>2026-01-09T15:17:36.387Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/805/large_cd0499_010_090205_1996_10_490_ferranti_16c_metal_rods.jpg</image:loc><image:title>Metal rod</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21310/brass-made-with-bad-copper-from-burra-burra-ore-1848</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/143/large_smg00239903.jpg</image:loc><image:title>Brass made with bad copper from Burra-Burra ore, 1848</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406552/methanometer-made-by-becorit</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/583/large_cd0647_026_110315_lcmc_t1666_becorit_methanometer.jpg</image:loc><image:title>Methanometer made by Becorit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20219/lignite-from-majorca</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/540/large_smg00095425.jpg</image:loc><image:title>Lignite from Majorca</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16694/kodak-istamatic-miniature-camera-for-no126</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/663/large_smg00450984.jpg</image:loc><image:title>Kodak Istamatic miniature camera for No.126</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15667/voitglander-brilliant-twin-lens-camera</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/829/large_smg00453886.jpg</image:loc><image:title>Voitglander Brilliant Twin Lens Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664338/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667017/homeopathic-set</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669988/phlorizine-a-sample-chemical</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21133/copper-sheathing-from-hms-duke</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/564/large_smg00001103.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Duke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669922/experimental-chemical-oneills-acid</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20343/no2-rhondda-coal-corrwg-fechan-colliery-glyn-corrwg-cardiff</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21043/series-of-copper-proofs-taken-out-for-testing-the-copper-in-the-process-of-poling</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/800/large_smg00099156.jpg</image:loc><image:title>Series of copper &quot;proofs&quot; taken out for testing the copper in the process of poling</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405155/thermionic-valve-valve</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20796/refinery-slag-from-detroit-copper-works</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/607/large_smg00096341.jpg</image:loc><image:title>Refinery slag from Detroit Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20540/copper-produced-by-mixing-one-equivalent-of-copper-bisulphide-with-one-of-copper-sulphate</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/858/large_smg00095815.jpg</image:loc><image:title>Copper produced by mixing one equivalent of copper  bisulphide with one of copper sulphate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16400/kodak-brownie-reflex-box-camera-for-12-exposures-and-case</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/521/large_smg00450893.jpg</image:loc><image:title>Kodak Brownie Reflex Box Camera for 12 exposures and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20865/roasted-ore-furnace-regulus-gerostete-rohstein</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408102/laboratory-apparatus</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/509/large_cd0713_040_130904_1991_347_9_1_2_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/510/large_cd0713_041_130904_1991_347_9_1_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/776/large_cd0086_014_050301_ms_1991_347_9_special_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/733/large_y1991_0347_0009_0001__0001_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/734/large_y1991_0347_0009_0001__0002_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21021/wire-form-electro-deposited-copper-morfa-copper-works-swansea</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/490/large_smg00096763.jpg</image:loc><image:title>Wire form electro-deposited copper, Morfa Copper Works, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409001/textile-printing-block</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/830/large_cd0121_109_050713_y1995_2_10_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/342/large_smg00249204.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671605/dye-sample-brentamin-fast-blue</loc><lastmod>2026-01-09T15:17:36.907Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16420/ensign-all-distance-box-camera-1927</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/468/large_smg00452415.jpg</image:loc><image:title>Ensign &apos;All Distance&apos; Box Camera, 1927</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408895/textile-face-plate-sample</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16094/ensign-selfix-320-camera-1939</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/749/large_smg00220393.jpg</image:loc><image:title>Ensign Selfix 320 Camera, 1939</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405869/teletype-model-33-punched-tape-readwrite-peripheral</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/193/large_smg00447188.jpg</image:loc><image:title>Teletype Model 33 Punched Tape Read/Write Peripheral</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21216/japanese-tempo</loc><lastmod>2026-01-09T15:17:37.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/674/large_smg00313875.jpg</image:loc><image:title>Japanese tempo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21117/copper-sheathing-from-hms-calliope</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/626/large_smg00001169.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Calliope&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20463/stannington-fire-clay-from-carboniferous-beds-sheffield-district</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/467/large_smg00091244.jpg</image:loc><image:title>Stannington fire-clay from carboniferous beds, Sheffield district</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16072/goerz-anschutz-tenax-vpk-size-camera</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/651/large_smg00450737.jpg</image:loc><image:title>Goerz Anschutz &apos;Tenax&apos;  V.P.K. size camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20891/copper-regulus-calledkonigs-kupfer-belonging-to-the-second-operation</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/817/large_smg00099210.jpg</image:loc><image:title>Copper regulus, called&quot;Konigs-Kupfer,&quot; belonging to the second operation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21351/coal-from-sanctoria-coalfield-bengal</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/854/large_smg00088249.jpg</image:loc><image:title>Coal from &quot;Sanctoria&quot; Coalfield, Bengal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403918/sylvester-part-c1950</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/275/large_cd0628_034_100805_lcmc_t721_sylvester_part.jpg</image:loc><image:title>Sylvester part. C.1950</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20431/rhondda-coke-in-small-fragments</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/429/large_smg00091162.jpg</image:loc><image:title>Rhondda coke, in small fragments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408096/special-gas-apparatus</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/702/large_smg00249668__0001_.jpg</image:loc><image:title>Special Gas Apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/703/large_smg00249668__0002_.jpg</image:loc><image:title>Special Gas Apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670943/experimental-chemical-acetyloxyanthraquinone</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407620/linecasting-machine-parts</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/566/large_smg00247039.jpg</image:loc><image:title>Linecasting Machine Parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410064/flexible-concentric-electrical-cable</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/55/large_smg00250574__0004_.jpg</image:loc><image:title>Flexible Concentric Electrical Cable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/54/large_smg00250574__0003_.jpg</image:loc><image:title>Flexible Concentric Electrical Cable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/52/large_smg00250574__0001_.jpg</image:loc><image:title>Flexible Concentric Electrical Cable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/53/large_smg00250574__0002_.jpg</image:loc><image:title>Flexible Concentric Electrical Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409769/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/313/large_cd0479_018_081222_1996_10_440_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409834/metal-products-type-23c-clarostat-radio-component</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/374/large_cd0472_013_081216_1996_10_505_ferranti_9e_radio_component.jpg</image:loc><image:title>Metal Products type 23C Clarostat radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20699/fine-copper-rain</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20830/thrice-roasted-ore-furnace-regulus-kupferstein-hettstedt</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/638/large_smg00096419.jpg</image:loc><image:title>Thrice roasted ore-furnace regulus, &quot;Kupferstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669976/rhamnetin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16702/retina-iiis</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/664/large_smg00450989.jpg</image:loc><image:title>Retina IIIS</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409437/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:37.578Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/535/large_cd0466_009_081211_1996_10_119_ferranti_8b_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409417/ferranti-model-6175-electric-heater</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/482/large_smg00246940.jpg</image:loc><image:title>Ferranti Model 6175 Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21381/coal-from-bulli-colliery-near-wollongong-new-south-wales</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/870/large_smg00091137.jpg</image:loc><image:title>Coal from Bulli Colliery, near Wollongong, New South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405139/thury-voltage-regulator</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796017/scientific-publication-whos-afraid-of-higher-derivative-ghosts</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/646/large_smg00340316__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Who’s Afraid of (Higher Derivative) Ghosts?’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/648/large_smg00340316__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Who’s Afraid of (Higher Derivative) Ghosts?’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/647/large_smg00340316__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Who’s Afraid of (Higher Derivative) Ghosts?’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16137/agfa-self-erecting-folding-camera-for-rollfilm-no120-2-14-x-3-14</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20565/result-of-heating-one-equivalent-of-sulphide-of-copper-with-two-of-iron</loc><lastmod>2026-01-09T15:17:38.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/882/large_smg00095839.jpg</image:loc><image:title>Result of heating one equivalent of sulphide of copper with two of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409561/ferranti-electric-mantel-clock</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669926/experimental-chemical-pseudo-acetyl-b13-dibrom-indophenazine</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20673/close-regule-from-chilian-ores-from-nevill-and-companys-copper-works</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/601/large_smg00095862.jpg</image:loc><image:title>Close regule (from Chilian ores) from Nevill and Company&apos;s Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20618/compact-copper-bearing-shale-from-sangershausen-saxony</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/566/large_smg00096290.jpg</image:loc><image:title>Compact copper-bearing shale from Sangershausen, Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20459/venallt-patent-fuel-south-wales</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/446/large_smg00091247.jpg</image:loc><image:title>Venallt patent fuel, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16062/eclipse-collapsible-bellows-camera-1895</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/746/large_smg00450690.jpg</image:loc><image:title>Eclipse collapsible bellows camera, 1895</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403823/miners-boots</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407634/printing-block</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/584/large_smg00247062.jpg</image:loc><image:title>Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20980/copper-slag-said-to-come-from-arabia-petraea</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/663/large_smg00096453.jpg</image:loc><image:title>Copper slag said to come from Arabia Petraea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20348/kilgetty-coal-kilgetty-colliery-saundersfoot-pembrokeshire</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21122/copper-sheathing-from-hms-resistance</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/637/large_smg00001180.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Resistance&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co19616/bottle-contaning-arsenic-copper</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409004/textile-printing-block</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/790/large_cd0121_086_050713_y1995_2_13_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/967/large_smg00248607.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21023/copper-with-13-per-cent-of-arsenic</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405143/atkinsons-testing-works-ammeter</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20244/lignite-from-portree-harbour-skye-scotland</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/305/large_smg00085341.jpg</image:loc><image:title>Lignite from Portree Harbour, Skye, Scotland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21315/part-of-an-old-ships-rudder-band-having-the-appearance-of-copper-but-is-actually-muntz-metal</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/145/large_smg00239941.jpg</image:loc><image:title>Part of an old ship&apos;s rudder-band having the appearance of copper, but is actually Muntz metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404691/paddlewheel-used-by-james-joule</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/22/large_smg00244835.jpg</image:loc><image:title>Paddlewheel used by James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20555/result-of-heating-one-equivalent-of-cuprous-oxide-with-two-of-oxide-of-lead</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/863/large_smg00095820.jpg</image:loc><image:title>Result of heating one equivalent of cuprous oxide with two of oxide of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408853/c-stencil</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/125/large_cd0436_015_081029_1995_1_48_stencil.jpg</image:loc><image:title>&apos;C&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671202/experimental-chemical-anthrachryson</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20768/sulphate-of-soda-and-copper</loc><lastmod>2026-01-09T15:17:39.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/928/large_smg00096329.jpg</image:loc><image:title>Sulphate of soda and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409771/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/318/large_cd0479_020_081222_1996_10_442_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409907/ferranti-type-fl-electric-supply-meter</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/767/large_cd0449_012_081111_1996_10_578_ferranti_4b_electric_supply_meter.jpg</image:loc><image:title>Ferranti type FL electric supply meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666988/homeopathic-set</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409028/textile-printing-block</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/784/large_cd0121_081_050713_y1995_2_37_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/957/large_smg00248597.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403901/two-associated-keys-for-pit-prop-models</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/378/large_cd0674_069_120105_lcmc_t752_5_model_pit_props.jpg</image:loc><image:title>Two associated keys for pit prop models</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668961/dye-sample-naphthylamine-yellow</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409915/ferranti-voltmeter</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/74/large_smg00250534.jpg</image:loc><image:title>Ferranti Voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403970/a-sleeper-from-the-delph-tramway</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/331/large_cd0630_020_100819_lcmc_t16881_2_pit_prop.jpg</image:loc><image:title>A sleeper from the Delph tramway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20937/broken-material-from-the-stamping-mills-pochwerkskratzschlieg</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409650/ferranti-gte-telephone</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/584/large_smg00249432__0002_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/583/large_smg00249432__0001_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/585/large_smg00249432__0003_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664292/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:39.718Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15676/3a-autographic-camera</loc><lastmod>2026-01-09T15:17:40.051Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/915/large_smg00450625.jpg</image:loc><image:title>3A Autographic camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409635/ferranti-water-pressure-gauge</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/147/large_cd0455_012_081118_1996_10_303_ferranti_7d_pressure_gauge.jpg</image:loc><image:title>Ferranti water pressure gauge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410032/ferranti-model-hiqf-303-electric-meter</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/170/large_cd0456_018_081125_1996_10_708_ferranti_7d_meter.jpg</image:loc><image:title>Ferranti model HIQF 303 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21337/anthracite-from-peru</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/825/large_smg00087257.jpg</image:loc><image:title>Anthracite from Peru</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16652/thornton-pickard-junior-special-c-1924</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/70/large_smg00450949.jpg</image:loc><image:title>Thornton Pickard Junior Special, c 1924</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20400/yorkshire-coal</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/336/large_smg00087413.jpg</image:loc><image:title>&quot;Yorkshire&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20592/copper-precipitated-by-iron-from-a-solution-of-copper-sulphate</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/908/large_smg00095898.jpg</image:loc><image:title>Copper precipitated by iron from a solution of copper sulphate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409510/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/218/large_cd0453_014_081118_1996_10_184_ferranti_6c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409863/rheostat-type-e9pailinqk-radio-component</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/398/large_cd0474_004_081216_1996_10_534_ferranti_9d_radio_component.jpg</image:loc><image:title>Rheostat type E9PAILINQK radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21378/coal-from-new-south-wales-from-a-ten-foot-seam</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/880/large_smg00091153.jpg</image:loc><image:title>Coal from New South Wales, from a ten foot seam</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407617/2-datek-switches</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/541/large_smg00247011.jpg</image:loc><image:title>2 Datek Switches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670936/experimental-chemical-diethylanthraflavic-acid</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21282/alloy-of-copper-and-zinc-recommended-for-ships-nails</loc><lastmod>2026-01-09T15:17:40.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16513/eclipse-collapsible-bellows-camera-patent-no-4102-for-single-dry-plates</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671179/experimental-chemical-benzyl-anthraquinone-oxime</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409405/ferranti-modera-2020-heater</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16123/carbine-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20805/bed-of-refinery-furnace</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407604/half-tone-plates-and-spacer-bands</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/751/large_smg00248412.jpg</image:loc><image:title>Half Tone Plates and Spacer Bands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669990/aesculetin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co147060/safety-razor</loc><lastmod>2026-01-09T15:17:41.284Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/987/large_1982_0561_0022__0003_.jpg</image:loc><image:title>Safety razor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/985/large_1982_0561_0022__0001_.jpg</image:loc><image:title>Safety razor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/988/large_1982_0561_0022__0004_.jpg</image:loc><image:title>Safety razor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/986/large_1982_0561_0022__0002_.jpg</image:loc><image:title>Safety razor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/408/111/large_smg00170758.jpg</image:loc><image:title>Safety razor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16158/vest-pocket-kodak-model-b</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/778/large_smg00450750.jpg</image:loc><image:title>Vest pocket Kodak Model B.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409533/ferranti-microelectronic-components</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/362/large_cd0472_001_081216_1996_10_207_ferranti_10a_miicroelectronic_components.jpg</image:loc><image:title>Ferranti microelectronic components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20815/ore-furnace-slag-rohschlacke-sangershausen</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/626/large_smg00096407.jpg</image:loc><image:title>Ore-furnace slag &quot;Rohschlacke,&quot; Sangershausen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16486/ideal-246-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16452/coronet-twelve-20-camera</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/358/large_smg00450900.jpg</image:loc><image:title>Coronet Twelve-20 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21159/alloy-of-10-copper-and-90-antimony</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20615/specimen-showing-the-accidental-formation-of-malachite</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/925/large_smg00096293.jpg</image:loc><image:title>Specimen showing the accidental formation of malachite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405169/holtzer-cabot-elec-co-electric</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/917/large_smg00247308.jpg</image:loc><image:title>Holtzer-Cabot Elec Co electric</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20209/black-peat-from-lowest-part-of-deposit</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/805/large_smg00095469.jpg</image:loc><image:title>Black peat from lowest part of deposit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20936/refinery-slag-gaarschlacke</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/940/large_smg00096372.jpg</image:loc><image:title>Refinery-slag, &quot;Gaarschlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409806/flip-phone-made-by-ferranti-gte-ltd</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/607/large_cd0144_019_050817_cg_1996_10_477_table_telephone.jpg</image:loc><image:title>Flip-phone, made by Ferranti GTE Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20336/duffryn-coal-in-container</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/363/large_smg00087459.jpg</image:loc><image:title>&quot;Duffryn&quot; coal in container</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668836/dye-sample-rufigallic-acid</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669973/dibromo-rhamnetin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21079/corroded-copper-tube-from-steam-boiler</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/13/large_smg00097624.jpg</image:loc><image:title>Corroded copper tube from steam boiler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20323/upper-four-foot-seam</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409674/mersilk-sutures</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/325/large_smg00265255.jpg</image:loc><image:title>Mersilk sutures</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409879/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/52/large_cd0480_009_081222_1996_10_550_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/124/large_smg00243497.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408995/textile-printing-block</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/816/large_cd0121_101_050713_y1995_2_4_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/246/large_smg00249067.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21039/a-piece-of-white-copper-or-pih-tung-from-yun-nan-province-china</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/798/large_smg00099154.jpg</image:loc><image:title>A piece of &quot;white copper,&quot; or Pih-tung, from Yun-nan Province, China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20215/boa-constrictors-dung</loc><lastmod>2026-01-09T15:17:42.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/784/large_smg00095448.jpg</image:loc><image:title>Boa constrictor&apos;s dung</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669885/experimental-chemical-alizarine-blue</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20437/medium-coke-from-south-staffordshire-thick-coal</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/463/large_smg00091184.jpg</image:loc><image:title>Medium coke from South Staffordshire thick coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20799/portion-of-refinery-furnace-bottom</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/602/large_smg00096334.jpg</image:loc><image:title>Portion of refinery furnace bottom</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8927089/jar-of-bisto-from-stephen-hawkings-office</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/663/56/large_smg00722892__0001_.jpg</image:loc><image:title>Jar of Bisto from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/663/57/large_smg00722892__0002_.jpg</image:loc><image:title>Jar of Bisto from Stephen Hawking&apos;s Office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668839/dye-sample-hexa-acetyl-rufigallic-acid</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671414/benzoazurine-g-dye-sample</loc><lastmod>2026-01-09T15:17:42.024Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16419/ensign-all-distance-box-camera-1927</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/57/large_smg00452420.jpg</image:loc><image:title>Ensign &apos;All Distance&apos; Box Camera, 1927</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669993/experimental-chemical-acetyl-pso-amidophenylimesatin</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408103/laboratory-apparatus</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/511/large_cd0713_042_130904_1991_347_9_2_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/509/large_cd0713_040_130904_1991_347_9_1_2_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/775/large_cd0086_013_050301_ms_1991_347_9_special_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/735/large_y1991_0347_0009_0002__0001_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/736/large_y1991_0347_0009_0002__0002_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409597/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/740/large_cd0448_007_081107_1996_10_265_ferranti_4d_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21057/best-selected-copper-from-newton</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/713/large_smg00096720.jpg</image:loc><image:title>Best selected copper from Newton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20861/black-copper-freiberg</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/738/large_smg00096750.jpg</image:loc><image:title>&quot;Black copper,&quot; Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20748/furnace-product-resulting-from-the-melting-of-a-roast-heap-of-yellow-sulphide-of-copper</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/594/large_smg00096322.jpg</image:loc><image:title>Furnace product resulting from the melting of a roast heap of yellow sulphide of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404692/calorimeter-used-by-james-joule-for-the-more-accurate-determination-of-the-mechanical-equivalent-of-heat</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404891/bark-dye-sample</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/684/large_cd0122_008_050721_t_1970_90_28_quercitron_bark.jpg</image:loc><image:title>Bark Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664282/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668218/dye-sample-diazetyl-oxanthrono</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16265/ensign-selfix-320-self-erecting-folding-camera</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/457/large_smg00220077.jpg</image:loc><image:title>Ensign Selfix 320 Self Erecting Folding Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16198/vest-pocket-kodak-model-b</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/784/large_smg00450755.jpg</image:loc><image:title>Vest pocket Kodak Model B.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20992/feathered-shot-copper</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/70/large_1889_0164_0877__0002_.jpg</image:loc><image:title>&quot;Feathered shot&quot; copper</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/69/large_1889_0164_0877__0001_.jpg</image:loc><image:title>&quot;Feathered shot&quot; copper</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/953/large_smg00096460.jpg</image:loc><image:title>&quot;Feathered shot&quot; copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21230/phosphor-bronze-bread-knife</loc><lastmod>2026-01-09T15:17:42.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409831/metal-products-type-23c-clarostat-radio-component</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/371/large_cd0472_010_081216_1996_10_502_ferranti_9e_radio_component.jpg</image:loc><image:title>Metal Products type 23C Clarostat radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20769/lining-of-the-ore-furnace-stack-at-mines-royal-copper-works</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/591/large_smg00096319.jpg</image:loc><image:title>Lining of the ore-furnace stack at Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407651/linecasting-matrices</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/526/large_smg00246994.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409090/paterson-zochonis-carbolic-cream</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/745/large_cd0087_004_050301_ms_1995_2_116_carbolic_cream.jpg</image:loc><image:title>Paterson Zochonis carbolic cream</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20676/regulus-from-the-second-fusion-of-chilian-regulus</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/597/large_smg00095858.jpg</image:loc><image:title>Regulus from the second fusion of Chilian regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21250/orichalcum</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408897/textile-face-plate-sample</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16504/coronet-vogue-camera</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/455/large_smg00452397.jpg</image:loc><image:title>Coronet Vogue Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671625/dye-sample-modern-commercial-indigo</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21327/coal-from-canon-city-on-the-arkansas-river-colorado-north-america</loc><lastmod>2026-01-09T15:17:43.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/823/large_smg00087255.jpg</image:loc><image:title>Coal from Canon City on the Arkansas river, Colorado, North America</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15632/the-superb</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/52/large_smg00450596.jpg</image:loc><image:title>The Superb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20869/red-litharge-rothe-glatte-muldner-hutte</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20513/casting-sand-from-birmingham-a-fine-red-sand-from-below-the-bunter-series</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/559/large_smg00095720.jpg</image:loc><image:title>Casting sand from Birmingham. A fine red sand from below the Bunter series</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409425/ferranti-v1800-electric-meter</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/937/large_cd0445_014_081106_1996_10_107_ferranti_3a_electric_meter.jpg</image:loc><image:title>Ferranti V1800 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410006/ferranti-model-mcaa45-electric-meter</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/599/large_cd0469_008_081212_1996_10_682_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti model MCAA45 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667018/homeopathic-set</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405225/telegraph-telegraph</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403989/miners-helmet</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/330/large_cd0626_011_100723_lcmc_t_5_miners_helmet.jpg</image:loc><image:title>Miner&apos;s helmet.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20620/rich-band-of-copper-shale-from-sangershausen-saxony</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/571/large_smg00096297.jpg</image:loc><image:title>Rich band of copper shale from Sangershausen, Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20685/result-of-experiment-on-blue-metal-cooled-very-slowly</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/599/large_smg00095860.jpg</image:loc><image:title>Result of experiment on &quot;blue metal&quot; cooled very slowly</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667198/anthranilic-acid-dye-sample</loc><lastmod>2026-01-09T15:17:44.033Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16259/ensign-greyhound-folding-camera-1929</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/423/large_smg00452077.jpg</image:loc><image:title>Ensign GREYHOUND Folding Camera, 1929</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21149/alloy-of-60-copper-and-40-antimony</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/975/large_smg00096528.jpg</image:loc><image:title>Alloy of 60 copper and 40 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20220/black-lignite-from-cebu</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/543/large_smg00095429.jpg</image:loc><image:title>Black lignite from Cebu</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20849/residual-products-gekritz-hettstedt</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/730/large_smg00096741.jpg</image:loc><image:title>Residual products, &quot;Gekritz,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403936/coal-mining-brick</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20453/patent-coke-from-the-glamorgan-coal-company</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/464/large_smg00091185.jpg</image:loc><image:title>Patent coke from the Glamorgan Coal Company</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15761/newman-and-guardia-universal-camera-model-special-b</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/937/large_smg00450647.jpg</image:loc><image:title>Newman &amp; Guardia Universal Camera Model Special B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669991/experimental-chemical-carminic-acid</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407058/metal-rule</loc><lastmod>2026-01-09T15:17:44.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/289/large_smg00249126.jpg</image:loc><image:title>Metal Rule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670926/experimental-chemical-myristin</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669928/hydrochrysammide-a-sample-chemical-from-edward-schuncks-work-on-natural-dyes-and-plant-products</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663794/samples-of-ignition-control-additives-for-petrol-engines-by-associated-octel</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409685/double-action-rongeur</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/354/large_smg00265287.jpg</image:loc><image:title>Double action rongeur</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669900/experimental-chemical-o-tolylhydrazone-of-nitroisatine</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20747/clay-from-the-bottom-of-a-copper-furnace</loc><lastmod>2026-01-09T15:17:44.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/586/large_smg00096313.jpg</image:loc><image:title>Clay from the bottom of a copper furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409989/ferranti-electrical-component</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/67/large_cd0481_002_081223_1996_10_665_2_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409054/textile-printing-block</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/767/large_cd0121_064_050713_y1995_2_64_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/334/large_smg00249193.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796007/scientific-publication-origin-of-structure-in-the-universe</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/730/large_e2021_0126_0009__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Origin of Structure in the Universe’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/728/large_e2021_0126_0009__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Origin of Structure in the Universe’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20691/result-of-another-experiment-on-imitation-blue-metal</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/604/large_smg00095865.jpg</image:loc><image:title>Result of another experiment on imitation blue metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20757/haematite-crystals-in-slag</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/599/large_smg00096330.jpg</image:loc><image:title>Haematite crystals in slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409740/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/979/large_cd0487_002_090108_1996_10_408_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/364/large_smg00243802.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663811/samples-of-ignition-control-additives</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404715/laboratory-cylinder-used-by-james-joule</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/623/large_smg00249463.jpg</image:loc><image:title>Laboratory Cylinder Used By James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20764/crystallised-sulphate-of-lime-on-mortar-joints-in-walls-at-neath-abbey</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/583/large_smg00096309.jpg</image:loc><image:title>Crystallised sulphate of lime on mortar joints in walls at Neath Abbey</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669840/experimental-chemical-alizarin-hydrate</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405181/telephone-earpiece</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/995/large_smg00246161.jpg</image:loc><image:title>Telephone Earpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21106/copper-sheathing-from-hms-petrel</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/634/large_smg00001177.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Petrel&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20418/coal-from-vale-colliery</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670307/luteolin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21017/electrotype-copper-in-ingot</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/499/large_smg00096808.jpg</image:loc><image:title>Electrotype copper in ingot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670944/experimental-chemical-bibromoisopurpurine</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21231/chips-from-the-exterior-of-a-phosphoric-bl-gun</loc><lastmod>2026-01-09T15:17:45.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409516/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/227/large_cd0453_018_081118_1996_10_190_ferranti_7b_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21208/brass-consisting-of-equal-parts-of-copper-and-zinc</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/655/large_smg00313850.jpg</image:loc><image:title>Brass consisting of equal parts of copper and zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796022/scientific-publication-the-no-boundary-proposal-and-the-arrow-of-time</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/735/large_e2021_0126_0024__0001_.jpg</image:loc><image:title>Scientific Publication: ‘The No-Boundary proposal and the Arrow of Time’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/738/large_e2021_0126_0024__0002_.jpg</image:loc><image:title>Scientific Publication: ‘The No-Boundary proposal and the Arrow of Time’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16640/ensign-autorange-folding-bellows-camera-for-rollfilm-no120-c-1936</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/223/large_smg00214789.jpg</image:loc><image:title>Ensign Autorange Folding Bellows Camera for Rollfilm No.120, c 1936</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15631/butcher-no-6-watch-pocket-carbine-camera-for-rollfilm-no</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/942/large_smg00450653.jpg</image:loc><image:title>Butcher No. 6 watch pocket carbine camera for rollfilm No</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15767/vpk-autographic</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/27/large_smg00450666.jpg</image:loc><image:title>VPK Autographic</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20715/ore-furnace-slag-from-mines-royal-copper-works</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/634/large_smg00096260.jpg</image:loc><image:title>Ore-furnace slag from Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409552/framed-photograph</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20259/horn-coal-new-south-wales-australia</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/315/large_smg00085353.jpg</image:loc><image:title>Horn coal, New South Wales, Australia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21272/small-fragment-of-the-successor-of-the-doncaster-bell</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409904/ferranti-sound-editing-equipment</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/809/large_cd0499_014_090205_1996_10_575_ferranti_13b_sound_editing_equipment.jpg</image:loc><image:title>Ferranti sound editing equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16456/kodak-brownie-127</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/441/large_smg00454589.jpg</image:loc><image:title>Kodak Brownie 127</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409832/metal-products-type-38-clarostat-radio-component</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/372/large_cd0472_011_081216_1996_10_503_ferranti_9e_radio_component.jpg</image:loc><image:title>Metal Products type 38 Clarostat radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20632/cupriferous-sandstone-from-schweinkopf</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/568/large_smg00095785.jpg</image:loc><image:title>Cupriferous sandstone from Schweinkopf</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/715/672/large_1889_0164_0516__0002_.jpg</image:loc><image:title>Cupriferous sandstone from Schweinkopf</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/715/671/large_1889_0164_0516__0001_.jpg</image:loc><image:title>Cupriferous sandstone from Schweinkopf</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16698/special-instantograph-bellows-camera</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/530/large_smg00450987.jpg</image:loc><image:title>Special Instantograph Bellows Camera.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16426/kodak-hawkeye-box-camera</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/467/large_smg00452414.jpg</image:loc><image:title>Kodak &apos;Hawkeye&apos; Box Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409360/ferranti-transformer</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/951/large_cd0485_018_090106_1996_10_43_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16661/no-3-cartridge-kodak-model-e</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/73/large_smg00450956.jpg</image:loc><image:title>No. 3 Cartridge Kodak Model E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20285/part-of-the-10-yard</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/306/large_smg00085343.jpg</image:loc><image:title>Part of the 10-yard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409870/elston-type-mot-transformer</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/404/large_cd0474_011_081216_1996_10_541_ferranti_9d_radio_component.jpg</image:loc><image:title>Elston type MO/T transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409649/ferranti-gte-flip-phone</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/578/large_smg00249428__0003_.jpg</image:loc><image:title>Ferranti GTE Flip-Phone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/576/large_smg00249428__0001_.jpg</image:loc><image:title>Ferranti GTE Flip-Phone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/577/large_smg00249428__0002_.jpg</image:loc><image:title>Ferranti GTE Flip-Phone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20339/no2-rhondda-coal</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409549/ferranti-electric-room-heater-screen</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/791/large_cd0498_017_090205_1996_10_223_ferranti_15c_electric_room_heater_screen.jpg</image:loc><image:title>Ferranti electric room heater screen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20723/metal-furnace-slag-from-haford-copper-works-swansea</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/642/large_smg00096268.jpg</image:loc><image:title>Metal-furnace slag from Haford Copper Works, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409648/ferranti-quadrature-voltage-transformer</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/973/large_cd0486_018_090108_1996_10_316_ferranti_11a_transformer.jpg</image:loc><image:title>Ferranti quadrature voltage transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409010/textile-printing-block</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/841/large_cd0121_115_050713_y1995_2_19_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/335/large_smg00249194.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409607/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/570/large_cd0467_022_081212_1996_10_275_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667186/cochineal-red-dye-sample</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409012/textile-printing-block</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/864/large_cd0121_129_050713_y1995_2_21_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/241/large_smg00249062.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21289/brass-tube-used-in-acis-engine-until-replacement-needed</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/141/large_smg00239897.jpg</image:loc><image:title>Brass tube, used in &quot;Acis&quot; engine until replacement needed</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409914/ferranti-microammeter</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/770/large_cd0449_015_081111_1996_10_587_ferranti_4e_ammeter.jpg</image:loc><image:title>Ferranti microammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405907/computer-technology-ltd-blanking-plate</loc><lastmod>2026-01-09T15:17:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/237/large_cd0631_038_100824_1984_170_39_metal_plate_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd blanking plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20451/result-of-heating-pulverised-thick-coal-in-a-furnace-for-half-an-hour</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/436/large_smg00091172.jpg</image:loc><image:title>Result of heating pulverised &quot;Thick coal&quot; in a furnace for half an hour</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16152/kodak-model-b-vest-pocket-autographic-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/836/large_smg00220501.jpg</image:loc><image:title>Kodak Model B Vest Pocket Autographic Folding Bellows Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409869/radiospares-type-fb6-transformer</loc><lastmod>2026-01-09T15:17:46.424Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/417/large_cd0474_010_081216_1996_10_540_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares type FB6 transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669836/experimental-chemical-bibromoanthracene</loc><lastmod>2026-01-09T15:17:46.295Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409690/ferranti-mark-1-stall-warning-control-unit</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/932/large_cd0445_009_081106_1996_10_358_ferranti_1c_stall_warning_control_unit.jpg</image:loc><image:title>Ferranti Mark 1 stall warning control unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16684/contessamatic-rigid-35mm-camera-for-perforated-35mm-film</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/80/large_smg00450977.jpg</image:loc><image:title>Contessamatic, rigid 35mm camera for perforated 35mm film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20384/wigan-cannel-coal-in-association-with-ordinary-coal</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/354/large_smg00087431.jpg</image:loc><image:title>Wigan cannel coal in association with ordinary coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21338/labuan-coal-from-the-north-west-of-borneo</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/326/large_smg00087247.jpg</image:loc><image:title>Labuan coal from the north-west of Borneo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20549/result-of-heating-one-equivalent-of-copper-with-one-of-sulphate-of-lead</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/869/large_smg00095826.jpg</image:loc><image:title>Result of heating one equivalent of copper with one of sulphate of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409746/tungsram-thermionic-valve</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/299/large_cd0479_004_081222_1996_10_414_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Tungsram thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/656/large_smg00244143.jpg</image:loc><image:title>Tungsram thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21082/copper-cracked-in-rolling</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/970/large_smg00096522.jpg</image:loc><image:title>Copper cracked in rolling</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20694/pimple-copper</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/606/large_smg00095867.jpg</image:loc><image:title>&quot;Pimple copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20722/metal-slag-from-the-haford-copper-works-swansea</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/641/large_smg00096267.jpg</image:loc><image:title>Metal slag from the Haford Copper Works, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407610/linecasting-brushes</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/749/large_smg00248408.jpg</image:loc><image:title>Linecasting Brushes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20888/thrice-roasted-ore</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21328/coal-from-the-united-states-of-columbia-now-colombia-south-america</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/828/large_smg00087260.jpg</image:loc><image:title>Coal from the United States of Columbia (now Colombia) South America</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403853/electric-cap-lamp-and-battery</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20623/layer-of-copper-bearing-shale-known-as-noberge</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/563/large_smg00095780.jpg</image:loc><image:title>Layer of copper-bearing shale, known as &quot;Noberge&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16182/kodak-junior-de-luxe-620-self-erecting-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/735/large_smg00452103.jpg</image:loc><image:title>Kodak Junior De-Luxe 620 Self-Erecting Folding Bellows Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410001/ferranti-voltmeter</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/73/large_smg00250533.jpg</image:loc><image:title>Ferranti Voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410079/ferranti-mark-3-stall-warning-control-unit</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/990/large_cd0439_001_081104_1996_10_757_ferranti_1b_stall_warning_control_unit.jpg</image:loc><image:title>Ferranti mark 3 stall warning control unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20414/coal-from-the-albion-mines</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/347/large_smg00087424.jpg</image:loc><image:title>Coal from the Albion Mines</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20316/nine-foot-coal</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/380/large_smg00087518.jpg</image:loc><image:title>&quot;Nine foot&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405929/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/267/large_cd0631_072_100827_1984_170_46_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20254/natural-asphalt-from-the-pitch-lake-of-trinidad</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/806/large_smg00085276.jpg</image:loc><image:title>Natural asphalt from the Pitch Lake of Trinidad</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668960/dye-sample-diamond-black</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21271/fragment-of-old-tenor-bell-of-doncaster-parish-church</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408927/electric-clock</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/605/large_cd0124_010_050721_t_1995_1_232_clock.jpg</image:loc><image:title>Electric Clock</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/571/large_smg00249394.jpg</image:loc><image:title>Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16674/special-b-camera</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20461/mineral-charcoal-two-samples-from-different-coals</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667193/nitrosodimethyl-aniline-dye-sample</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796012/scientific-publication-the-cosmological-constant-and-the-weak-anthropic-principle</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/701/large_smg00340339__0002_.jpg</image:loc><image:title>Scientific Publication: ‘The Cosmological Constant and the Weak Anthropic Principle’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/700/large_smg00340339__0001_.jpg</image:loc><image:title>Scientific Publication: ‘The Cosmological Constant and the Weak Anthropic Principle’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/703/large_smg00340339__0004_.jpg</image:loc><image:title>Scientific Publication: ‘The Cosmological Constant and the Weak Anthropic Principle’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/702/large_smg00340339__0003_.jpg</image:loc><image:title>Scientific Publication: ‘The Cosmological Constant and the Weak Anthropic Principle’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409479/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/734/large_cd0447_021_081107_1996_10_159_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20991/bean-shot-copper-from-the-hafod-works-1848</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/952/large_smg00096459.jpg</image:loc><image:title>&quot;Bean-shot&quot; copper, from the Hafod Works, 1848</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21264/portion-of-the-first-big-ben</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665210/quercitren-bark-dye-sample</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667021/homeopathic-set</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409036/textile-printing-block</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/859/large_cd0121_126_050713_y1995_2_46_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/318/large_smg00249172.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409056/textile-printing-block</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/765/large_cd0121_062_050713_y1995_2_66_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/338/large_smg00249198.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666886/nylomine-scarlet-a-3gs-dye-sample</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20307/duffryn-coal</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/385/large_smg00087523.jpg</image:loc><image:title>&quot;Duffryn&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404896/weld-dye-sample</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/688/large_cd0122_012_050721_t_1970_90_36_weld.jpg</image:loc><image:title>Weld Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16429/kodak-brownie-junior-six-20-box-camera</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409881/mazda-thermionic-valve</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/989/large_cd0487_012_090109_1996_10_552_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/37/large_smg00243404.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405874/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/201/large_cd0631_002_100824_1984_170_14_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16120/no-1-pocket-autographic-kodak</loc><lastmod>2026-01-09T15:17:48.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/775/large_smg00452285.jpg</image:loc><image:title>No. 1 Pocket Autographic Kodak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20434/lowry-or-parkend-coal</loc><lastmod>2026-01-09T15:17:48.005Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/434/large_smg00091167.jpg</image:loc><image:title>&quot;Lowry&quot; or &quot;Parkend&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15648/no-3a-folding-pocket-model-b4eastman-kodak</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405141/siemens-bros-and-co-ltd-moving-iron-ammeter</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/198/large_smg00246484.jpg</image:loc><image:title>Siemens Bros &amp; Co Ltd moving iron ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409379/ferranti-electromagnet</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/778/large_cd0498_004_090205_1996_10_62_ferranti_16b_electromagnet.jpg</image:loc><image:title>Ferranti electromagnet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404700/10-pound-weight-used-by-james-joule</loc><lastmod>2026-01-09T15:17:48.136Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/190/large_y1969_0005_0061__0002_.jpg</image:loc><image:title>10 pound weight used by James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/189/large_y1969_0005_0061__0001_.jpg</image:loc><image:title>10 pound weight used by James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16413/ernemann-rollfilm-box-camera</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/63/large_smg00452426.jpg</image:loc><image:title>Ernemann Rollfilm Box Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409699/ferranti-model-flf5-electric-meter</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/162/large_cd0456_010_081125_1996_10_367_ferranti_7b_meter.jpg</image:loc><image:title>Ferranti model FLF5 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409537/photo-cells</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/966/large_cd0486_011_090108_1996_10_211_ferranti_11e_photo_cells.jpg</image:loc><image:title>photo cells</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405184/telephone-earpiece</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/999/large_smg00246165.jpg</image:loc><image:title>Telephone Earpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16526/thornton-pickard-folding-bellows-field-or-stand-camera-c-1890</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/54/large_smg00450835.jpg</image:loc><image:title>Thornton Pickard folding bellows field or stand camera, c 1890</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16393/ful-vue</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/508/large_smg00450859.jpg</image:loc><image:title>Ful-Vue.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668818/dye-sample-p-methyl-isatin</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408988/office-desk</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/114/large_cd0130_012_050722_t_1995_1_315_desk.jpg</image:loc><image:title>Office Desk</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/311/large_cd0127_004_050721_t_1995_1_315_desk.jpg</image:loc><image:title>Office Desk</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/744/large_smg00455578.jpg</image:loc><image:title>Office Desk</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409401/ferranti-n9-mark-iv-shell-fuze</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/27/large_cd0440_016_081105_1996_10_83_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Ferranti N9 Mark IV shell fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409392/type-215-mkii-ferranti-shell-fuze</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/20/large_cd0440_009_081105_1996_10_74_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Type 215 MkII Ferranti shell fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21260/bronze-casting-the-lowest-part-of-the-bottom-runner</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409659/ferranti-type-fh9fin-artificial-horizon</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/787/large_cd0446_010_081107_1996_10_327_ferranti_1e_artificial_horizon.jpg</image:loc><image:title>Ferranti type FH9/FIN artificial horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21335/coal-from-chile-near-coronel-south-of-valparaiso</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/414/large_smg00088270.jpg</image:loc><image:title>Coal from Chile, near Coronel, south of Valparaiso</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403900/shackle-for-wire-rope-coal-mining</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/550/large_cd0646_063_110315_lcmc_t753_hawser.jpg</image:loc><image:title>Shackle for wire rope, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409827/ferranti-milled-rf-head</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/807/large_cd0499_012_090205_1996_10_498_ferranti_16a_milled_rf_head.jpg</image:loc><image:title>Ferranti milled RF head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408855/e-stencil</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/127/large_cd0436_017_081103_1995_1_50_stencil.jpg</image:loc><image:title>&apos;E&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409748/marconi-thermionic-valve</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/301/large_cd0479_006_081222_1996_10_416_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Marconi thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/128/large_smg00243501.jpg</image:loc><image:title>Marconi thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409302/ferranti-model-6-electric-alarm-clock</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/715/large_cd0447_002_081107_1996_10_7_ferranti_5d_electric_alarm_clock.jpg</image:loc><image:title>Ferranti model 6 electric alarm clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664293/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405140/siemens-and-halske-electrodynamometer-with-test-certificates</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409662/ferranti-type-fh7-artificial-horizon</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/133/large_smg00250728__0004_.jpg</image:loc><image:title>Ferranti Type FH7 Artificial Horizon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/132/large_smg00250728__0003_.jpg</image:loc><image:title>Ferranti Type FH7 Artificial Horizon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/131/large_smg00250728__0002_.jpg</image:loc><image:title>Ferranti Type FH7 Artificial Horizon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/134/large_smg00250728__0005_.jpg</image:loc><image:title>Ferranti Type FH7 Artificial Horizon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/130/large_smg00250728__0001_.jpg</image:loc><image:title>Ferranti Type FH7 Artificial Horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409534/ferranti-circuit-board</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/255/large_cd0477_004_081219_1996_10_208_ferranti_10b_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21345/coal-no1</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/412/large_smg00088268.jpg</image:loc><image:title>Coal no.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409344/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/80/large_smg00250656__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/79/large_smg00250656__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/81/large_smg00250656__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16124/autographic-kodak-no1-214-x-3-14-no120-film</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/477/large_smg00452041.jpg</image:loc><image:title>Autographic Kodak No.1 2/14&quot; x 3 1/4&quot; No.120 Film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20468/clay-from-poole-dorsetshire</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/441/large_smg00091189.jpg</image:loc><image:title>Clay from Poole, Dorsetshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21341/coal-from-labuan</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/824/large_smg00087256.jpg</image:loc><image:title>Coal from Labuan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670312/experimental-chemical-bromanilic-acid</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21334/coal-from-punta-arenas-or-sandy-point</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/319/large_smg00087240.jpg</image:loc><image:title>Coal from Punta Arenas or Sandy Point</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409687/ferranti-electric-clock</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/90/large_smg00247511.jpg</image:loc><image:title>Ferranti Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409741/cossor-thermionic-valve</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/296/large_cd0479_001_081222_1996_10_409_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/157/large_smg00243530.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409764/ferranti-type-p91ss-electronic-connector</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/308/large_cd0479_013_081222_1996_10_435_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti type P91SS electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408909/fabric-bolt-end</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/603/large_cd0124_008_050721_t_1995_1_213_fabric.jpg</image:loc><image:title>Fabric Bolt End</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21269/fragment-of-old-tom-of-lincoln</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20311/top-and-bottom-coal</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/370/large_smg00087508.jpg</image:loc><image:title>Top and bottom coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20852/roasted-copper-ore</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/979/large_smg00096738.jpg</image:loc><image:title>Roasted copper ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co147988/earthenware-pan-from-commode</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/413/726/large_smg00172215.jpg</image:loc><image:title>Earthenware pan from commode</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669825/indigo-dye-sample</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148700/carton-for-protoderm-tuberculin-ppd-multiple-puncture-test</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/408/602/large_smg00193256.jpg</image:loc><image:title>Carton for Protoderm Tuberculin PPD Multiple Puncture Test</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403920/brick-engraved-ukinfield</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/562/large_cd0660_019_110809_lcmc_t696_brick.jpg</image:loc><image:title>Brick engraved &apos;..ukinfield&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20261/oil-shale-from-scottish-coalfields</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/810/large_smg00085319.jpg</image:loc><image:title>Oil shale from Scottish coalfields</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15626/ensign-midget-folding-bellows-camera-model-22-1934</loc><lastmod>2026-01-09T15:17:49.808Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/57/10/large_1979_0559_0022__0002_.jpg</image:loc><image:title>Ensign Midget Folding Bellows Camera, Model 22, 1934</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/57/9/large_1979_0559_0022__0001_.jpg</image:loc><image:title>Ensign Midget Folding Bellows Camera, Model 22, 1934</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405934/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/272/large_cd0632_005_100827_1984_170_51_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21113/copper-sheathing-from-hms-penguin</loc><lastmod>2026-01-09T15:17:49.977Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/621/large_smg00001164.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Penguin&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667162/homeopathic-set</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796014/scientific-publication-euclidean-approach-to-the-inflationary-universe</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/684/large_smg00340332__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Euclidean Approach to the Inflationary Universe’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/683/large_smg00340332__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Euclidean Approach to the Inflationary Universe’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/686/large_smg00340332__0004_.jpg</image:loc><image:title>Scientific Publication: ‘Euclidean Approach to the Inflationary Universe’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/685/large_smg00340332__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Euclidean Approach to the Inflationary Universe’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405226/telegraph-morse-key</loc><lastmod>2026-01-09T15:17:50.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/605/large_cd0144_017_050817_cg_1974_34_180_telephone_key.jpg</image:loc><image:title>Telegraph morse key</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20333/the-drap-vein-bottom-coal-trimsaran-colliery-kidwelly-carmarthenshire</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21084/copper-sheathing-from-hms-forth-put-on-september-1832-removed-november-1845</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/588/large_smg00001129.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Forth,&quot; put on September 1832, removed November 1845</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21147/alloy-of-75-copper-and-25-antimony</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/959/large_smg00096509.jpg</image:loc><image:title>Alloy of 75 copper and 25 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16097/eastman-kodak-folding-camera</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/732/large_smg00452019.jpg</image:loc><image:title>Eastman Kodak Folding Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404444/breathing-apparatus-in-a-red-case</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404473/sign-danger</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/33/large_cd0659_069_110809_lcmc_t612_sign.jpg</image:loc><image:title>Sign - &apos;Danger</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670350/acetyl-sophoretin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409717/two-instruments-from-a-neurosurgical-bag</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20394/yorkshire-coal</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/331/large_smg00087408.jpg</image:loc><image:title>&quot;Yorkshire&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20351/the-three-foot-seam</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16658/mamiya-6-self-erecting-folding-bellows-camera-for-rollfilm-no120-2-14-x-3-14</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/324/large_smg00450414.jpg</image:loc><image:title>Mamiya-6 self-erecting folding bellows camera for rollfilm No.120 2 1/4 x 3 1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20491/columnar-structure-produced-at-glyndon-furnace-usa</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/914/large_smg00091226.jpg</image:loc><image:title>Columnar structure produced at Glyndon Furnace, U.S.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410069/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/607/large_cd0469_016_081212_1996_10_747_ferranti_8c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409557/area-denial-minesm111</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/976/large_cd0438_009_081104_1996_10_231_ferranti_1a_area_denial_mine.jpg</image:loc><image:title>area denial mine,SM111</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/121/large_smg00243292__0001_.jpg</image:loc><image:title>area denial mine,SM111</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/122/large_smg00243292__0002_.jpg</image:loc><image:title>area denial mine,SM111</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/123/large_smg00243292__0003_.jpg</image:loc><image:title>area denial mine,SM111</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16077/zeiss-ikon-ikonta-camera-for-rollfilm-no120-2-14-x-3-14</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/831/large_smg00220496.jpg</image:loc><image:title>Zeiss Ikon &apos;Ikonta&apos; Camera for Rollfilm No.120 2 1/4 x 3 1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16245/zeiss-super-ikonta-model-5302-camera</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/413/large_smg00452063.jpg</image:loc><image:title>Zeiss Super Ikonta Model 530/2 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403820/plastic-hard-hat</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/627/large_cd0661_013_110809_lcmc_t1928_plastic_hard_hat.jpg</image:loc><image:title>Plastic hard hat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21325/black-diamond-or-tower-vein-from-mount-diablo</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/826/large_smg00087258.jpg</image:loc><image:title>&quot;Black Diamond&quot; or &quot;Tower Vein&quot; from Mount Diablo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668956/dye-sample-thioflavine</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405899/nuts-and-bolts</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/229/large_cd0631_030_100824_1984_170_30_4_nuts___bolts_for_48k_minicomputer.jpg</image:loc><image:title>Nuts and bolts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21303/a-piece-of-copper-requiring-only-a-slight-blow-of-a-hammer-to-break-it-like-glass</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/674/large_smg00096500.jpg</image:loc><image:title>A piece of copper, requiring only a slight blow of a hammer to break it like glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664350/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20340/six-feet-or-top-coal-great-western-colliery-pontypridd-glamorganshire</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408815/stencil-ring</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/598/large_cd0124_003_050721_t_1995_1_10_stencil_ring.jpg</image:loc><image:title>Stencil Ring</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/529/large_smg00249350.jpg</image:loc><image:title>Stencil Ring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408937/hole-punch</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/615/large_cd0124_020_050721_t_1995_1_251_hole_punch.jpg</image:loc><image:title>Hole Punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20616/ochre-produced-in-the-copper-cementation-pits-in-the-mona-mine</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/563/large_smg00096286.jpg</image:loc><image:title>Ochre produced in the copper cementation pits in the Mona Mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16267/ensign-carbine-tropical-model-1929</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/428/large_smg00452085.jpg</image:loc><image:title>Ensign Carbine Tropical Model, 1929</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16460/balda-frontbox-box-camera</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/362/large_smg00450906.jpg</image:loc><image:title>Balda Frontbox box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20521/cuprous-oxide-produced-by-heating-copper-sulphide-and-copper-sulphate</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/836/large_smg00095730.jpg</image:loc><image:title>Cuprous oxide, produced by heating copper sulphide and copper sulphate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21081/copper-cracked-on-cutting-cliffords-mills</loc><lastmod>2026-01-09T15:17:51.580Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/10/large_smg00097621.jpg</image:loc><image:title>Copper cracked on cutting. Clifford&apos;s Mills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403822/signal-bell-from-sandhill-colliery</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20575/result-of-heating-one-equivalent-of-copper-sulphide-and-one-of-antimony</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/899/large_smg00095887.jpg</image:loc><image:title>Result of heating one equivalent of copper sulphide and one of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409706/surgical-dakin-pot</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/321/large_smg00265251.jpg</image:loc><image:title>Surgical dakin pot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148640/whooping-cough-vaccine</loc><lastmod>2026-01-09T15:17:51.752Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21076/spilly-copper-from-smelting-furnace-bottoms</loc><lastmod>2026-01-09T15:17:51.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/957/large_smg00096505.jpg</image:loc><image:title>&quot;Spilly&quot; copper from smelting furnace bottoms</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20923/slag-from-refinery-slag-gaarschlackenschlacke</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/943/large_smg00096375.jpg</image:loc><image:title>Slag from refinery-slag, &quot;Gaarschlackenschlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21266/bronze-from-which-the-peel-statue-was-cast</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21308/molecular-change-in-muntz-metal</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/144/large_smg00239940.jpg</image:loc><image:title>Molecular change in Muntz metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16636/kodak-bantum-collapsible-camera-for-rollfilm-no828</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/222/large_smg00214788.jpg</image:loc><image:title>Kodak Bantum Collapsible Camera for Rollfilm No.828</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408950/typewriter-ribbon</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/460/large_cd0125_011_050721_t_1995_1_268_typewriter_ribbon.jpg</image:loc><image:title>Typewriter Ribbon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/188/large_smg00245133.jpg</image:loc><image:title>Typewriter Ribbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20648/precipitated-copper-from-the-cobre-mines-cuba</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/584/large_smg00095805.jpg</image:loc><image:title>Precipitated copper from the Cobre Mines, Cuba</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21358/coal-from-the-hills-near-tseng-ko-ken</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/399/large_smg00088254.jpg</image:loc><image:title>Coal from the hills near Tseng-ko-ken</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409776/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/315/large_cd0479_021_081222_1996_10_447_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20779/moss-copper-in-cavities-in-a-regulus</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/604/large_smg00096337.jpg</image:loc><image:title>Moss copper in cavities in a regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20296/curley-cannel-coal</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/366/large_smg00087498.jpg</image:loc><image:title>Curley cannel coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409364/hobut-p3375-electric-meter</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/719/large_cd0447_006_081107_1996_10_47_ferranti_4e_electric_meter.jpg</image:loc><image:title>Hobut P3375 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409813/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/506/large_cd0504_004_090217_1996_10_484_ferranti_19c_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407063/file</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/292/large_smg00249129.jpg</image:loc><image:title>File</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409853/tungsram-thermionic-valve</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/50/large_cd0480_007_081222_1996_10_524_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Tungsram thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/647/large_smg00244138.jpg</image:loc><image:title>Tungsram thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20533/artificial-copper-pyrites</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/847/large_smg00095742.jpg</image:loc><image:title>Artificial copper pyrites</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21317/old-muntz-metal-remelted</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/680/large_smg00096507.jpg</image:loc><image:title>Old Muntz metal remelted</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404697/compression-apparatus-used-by-james-joule</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/632/large_smg00249467__0003_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/630/large_smg00249467__0001_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/631/large_smg00249467__0002_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409830/ferranti-type-fds1a-directional-gyro-unit</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/988/large_cd0438_021_081104_1996_10_501_ferranti_1b_directional_gyro_unit.jpg</image:loc><image:title>Ferranti type FDS1A directional gyro unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20493/material-from-which-the-dowlais-fire-brick-is-made</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/913/large_smg00091225.jpg</image:loc><image:title>Material from which the Dowlais fire-brick is made</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410106/ferranti-demonstration-piece</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/91/large_cd0482_004_090102_1996_10_785_2_ferranti_10d_magnifying_glass.jpg</image:loc><image:title>Ferranti demonstration piece</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/90/large_cd0482_003_090102_1996_10_785_1_ferranti_10d_display_plaque.jpg</image:loc><image:title>Ferranti demonstration piece</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/92/large_cd0482_005_090102_1996_10_785_3_ferranti_10d_magnifying_glass.jpg</image:loc><image:title>Ferranti demonstration piece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16268/ensign-carbine-tropical-model-1926</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/424/large_smg00452078.jpg</image:loc><image:title>Ensign Carbine Tropical Model, 1926</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405162/aron-clock-meter-made-by-aron-electric-meter-co-ltd</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/249/434/large_cd0077_009_050127_eg_1974_34_51_aron_meter.jpg</image:loc><image:title>Aron clock meter made by Aron Electric Meter Co. Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8402935/methanometer-type-g70-mk1</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/584/large_cd0647_027_110315_lcmc_t1667_smd_methanometer.jpg</image:loc><image:title>Methanometer type G70 MK1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20647/copper-pyrites-from-newfoundland</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/580/large_smg00095798.jpg</image:loc><image:title>Copper pyrites from Newfoundland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409749/everready-thermionic-valve</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/302/large_cd0479_007_081222_1996_10_417_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>EverReady thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/327/large_smg00243760.jpg</image:loc><image:title>EverReady thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405173/reason-manufacturing-co-electrolytic-supply-meter</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/471/large_smg00245525.jpg</image:loc><image:title>Reason Manufacturing Co electrolytic supply meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409859/taylor-electrical-instruments-type-445-crt-adaptor-radio-component</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/394/large_cd0473_022_081216_1996_10_530_ferranti_9d_radio_component.jpg</image:loc><image:title>Taylor Electrical Instruments type 445 CRT adaptor radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20610/ordinary-copper-ore-from-alderley-edge-cheshire</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/426/large_1889_0164_0494__0001_.jpg</image:loc><image:title>Ordinary copper ore from Alderley Edge, Cheshire</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/425/large_1889_0164_0494__0002_.jpg</image:loc><image:title>Ordinary copper ore from Alderley Edge, Cheshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21415/opaque-glass-filled-with-minute-separate-copper-scales</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670941/experimental-chemical-pseudo-purpurin</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670022/rubiagine-a-sample-chemical</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409692/ferranti-switching-unit</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/985/large_cd0438_018_081104_1996_10_360_ferranti_1b_switching_unit.jpg</image:loc><image:title>Ferranti switching unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20626/copper-ore-from-the-garonne</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/571/large_smg00095788.jpg</image:loc><image:title>Copper ore from the Garonne</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796029/scientific-publication-spectrum-of-wormholes</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/740/large_e2021_0126_0031__0001_.jpg</image:loc><image:title>Scientific Publication: &apos;Spectrum of Wormholes&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/741/large_e2021_0126_0031__0002_.jpg</image:loc><image:title>Scientific Publication: &apos;Spectrum of Wormholes&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409742/cossor-thermionic-valve</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/980/large_cd0487_003_090108_1996_10_410_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/23/large_smg00243385.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409625/earth-leakage-relay</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/211/large_smg00250709.jpg</image:loc><image:title>Earth Leakage Relay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20233/lignite-from-gonezza-iglesias-cagliari-sardinia</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/546/large_smg00095432.jpg</image:loc><image:title>Lignite from Gonezza, Iglesias, Cagliari, Sardinia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404467/sign-signals-for-reversible-endless-haulage</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/546/large_cd0660_001_110809_lcmc_t626_sign.jpg</image:loc><image:title>Sign - &apos;Signals for reversible endless haulage&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16385/ilford-sporti-rollfilm-camera-for-no120-film-for-12-exposures-on-2-14</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/502/large_smg00450849.jpg</image:loc><image:title>Ilford Sporti rollfilm camera for No.120 film for 12 exposures on 2 1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20850/cement-copper-hettstedt-copper-works-mansfeld</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/744/large_smg00096756.jpg</image:loc><image:title>Cement copper, Hettstedt Copper Works, Mansfeld</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670324/experimental-chemical-bromanilic-acid</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664290/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407616/linecasting-slugs</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/185/large_y1990_0104_0041__0002_.jpg</image:loc><image:title>Linecasting Slugs</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/186/large_y1990_0104_0041__0003_.jpg</image:loc><image:title>Linecasting Slugs</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/190/large_y1990_0104_0041__0001_.jpg</image:loc><image:title>Linecasting Slugs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410049/ferranti-ltd-electric-meter</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/295/large_cd0450_017_081111_1996_10_725_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti Ltd electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409990/ferranti-electrical-component</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/68/large_cd0481_003_081223_1996_10_666_2_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15756/photo-jumelle-binocular-type-magazine-box-camera</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/933/large_smg00450642.jpg</image:loc><image:title>Photo Jumelle binocular type magazine box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409629/ferranti-type-lirp4d-ammeter</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/746/large_cd0448_013_081110_1996_10_297_ferranti_4d_ammeter.jpg</image:loc><image:title>Ferranti type LIRP4d ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21259/brass-used-for-gilt-spoons-etc</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409566/barclay-cigarette-lighter</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/737/large_cd0495_023_090127_1996_10_239_ferranti_12b_cigarette_lighter.jpg</image:loc><image:title>Barclay cigarette lighter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408894/textile-face-plate-sample</loc><lastmod>2026-01-09T15:17:53.374Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409697/surgical-chisel</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/348/large_smg00265280.jpg</image:loc><image:title>Surgical chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16243/no1-kodak-folding-bellows-camera-for-rollfilm-no120</loc><lastmod>2026-01-09T15:17:53.260Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/437/large_smg00452096.jpg</image:loc><image:title>No.1 Kodak Folding Bellows Camera for Rollfilm No.120.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405172/elihu-thomson-commutator-motor-watt-hour-meter</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/914/large_smg00247304.jpg</image:loc><image:title>Elihu-Thomson commutator motor watt-hour meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20413/coal-from-the-inter-colonial-companys-colliery</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/351/large_smg00087428.jpg</image:loc><image:title>Coal from the Inter-colonial Company&apos;s Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407626/linecasting-matrices</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/586/large_smg00247064.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404676/part-of-electromagnet</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/683/large_smg00249591__0002_.jpg</image:loc><image:title>Part of Electromagnet</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/682/large_smg00249591__0001_.jpg</image:loc><image:title>Part of Electromagnet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410047/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/293/large_cd0450_015_081111_1996_10_723_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408101/laboratory-apparatus</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/515/large_cd0713_046_130904_1991_347_8_laboratory_apparatus.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/774/large_cd0086_012_050301_ms_1991_347_8_special_tubing.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/168/large_smg00243774__0001_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/169/large_smg00243774__0002_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/170/large_smg00243774__0003_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/171/large_smg00243774__0004_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/172/large_smg00243774__0005_.jpg</image:loc><image:title>laboratory apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409037/textile-printing-block</loc><lastmod>2026-01-09T15:17:47.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/794/large_cd0121_088_050713_y1995_2_47_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/329/large_smg00249188.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670316/experimental-chemical-anilido-athoay-benzochinonanilid</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409997/peerless-foam-moulding-microcomputer-keyboard</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/510/large_cd0504_008_090217_1996_10_673_ferranti_20a_keyboard.jpg</image:loc><image:title>Peerless Foam Moulding microcomputer keyboard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409703/electric-coil</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/977/large_cd0486_022_090108_1996_10_371_ferranti_11b_electric_coil.jpg</image:loc><image:title>Electric coil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20531/copper-bisulphide-coating-the-surface-of-copper-foil</loc><lastmod>2026-01-09T15:17:53.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/845/large_smg00095740.jpg</image:loc><image:title>Copper bisulphide coating the surface of copper foil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403982/federation-battery-lamp</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/26/large_cd0659_062_110809_lcmc_t540_federation_battery_lamp__sheffield.jpg</image:loc><image:title>Federation battery lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670359/experimental-chemical-phyllotaonine</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409709/spare-brain-clips</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/356/large_smg00265289.jpg</image:loc><image:title>Spare brain clips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405878/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/205/large_cd0631_006_100824_1984_170_18_mains_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21364/coal-from-hu-isun-no2-china</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/859/large_smg00088256.jpg</image:loc><image:title>Coal from Hu Is&apos;un (no.2), China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20598/phosphide-of-copper-cast-at-chatham</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/918/large_smg00095909.jpg</image:loc><image:title>Phosphide of copper cast at Chatham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20393/steam-coal</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/321/large_smg00087242.jpg</image:loc><image:title>Steam coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403912/turnkey-coal-mining-c1960</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/257/large_cd0664_010_111004_lcmc_t731_1_turnkey.jpg</image:loc><image:title>Turnkey, coal mining. C.1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21005/turning-off-copper-roll-calico-printing-works</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/497/large_smg00096771.jpg</image:loc><image:title>Turning off copper roll, calico printing works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409530/promotional-display-of-transistors</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/963/large_cd0486_008_090108_1996_10_204_ferranti_11d_display_item.jpg</image:loc><image:title>Promotional display of transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15635/folding-bellows-field-or-stand-camera</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/352/large_smg00450600.jpg</image:loc><image:title>Folding Bellows Field or Stand Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403911/turn-key-coal-mining</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/258/large_cd0664_011_111004_lcmc_t731_2_turnkey.jpg</image:loc><image:title>Turn key, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409775/ferranti-circuit-board</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/368/large_cd0472_007_081216_1996_10_446_ferranti_10a_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20569/result-of-heating-one-equivalent-of-copper-sulphide-with-one-of-zinc</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/884/large_smg00095842.jpg</image:loc><image:title>Result of heating one equivalent of copper sulphide with one of zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407053/hacksaw-used-by-s4445-bm-treacher</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/303/large_smg00249140.jpg</image:loc><image:title>Hacksaw used by S4445 BM Treacher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20587/liquated-copper-and-liquation-cake</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666954/fdn-caledon-blue-xrn-dye-sample</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16623/imperial-folding-bellows-field-or-stand-camera</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/372/large_smg00450925.jpg</image:loc><image:title>Imperial folding bellows field or stand camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16441/brownie-flash-iii</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/444/large_smg00452376.jpg</image:loc><image:title>Brownie Flash III</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403980/ceag-inspection-lamp</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/989/large_cd0659_020_110809_lcmc_t55_ceag_inspection_lamp.jpg</image:loc><image:title>CEAG inspection lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20488/aluminous-mineral-from-belfast</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/911/large_smg00091223.jpg</image:loc><image:title>Aluminous mineral from Belfast</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405202/universal-shunt</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16249/coronet-self-erecting-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16280/ensign-carbine-folding-bellows-camera-c-1924</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/795/large_smg00450769.jpg</image:loc><image:title>Ensign Carbine folding bellows camera, c 1924</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21068/electrotype-and-common-copper-heated-in-coal-gas</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/719/large_smg00096726.jpg</image:loc><image:title>Electrotype and common copper heated in coal gas</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410030/ferranti-model-v4704-voltmeter</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/168/large_cd0456_016_081125_1996_10_706_ferranti_6d_voltmeter.jpg</image:loc><image:title>Ferranti model V4704 voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15681/bulls-eye-kodak-box-camera</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/822/large_smg00453872.jpg</image:loc><image:title>Bull&apos;s Eye Kodak box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409348/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/77/large_smg00250654__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/78/large_smg00250654__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/76/large_smg00250654__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15638/the-challenge-dayspool-no-1</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/17/large_smg00450617.jpg</image:loc><image:title>The Challenge Dayspool No 1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21196/series-of-brasses-containing-different-proportions-of-copper-and-zinc</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/656/large_smg00313851.jpg</image:loc><image:title>Series of brasses containing different proportions of copper and zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20705/regule-containing-75-percent-of-copper-from-hafod-works</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/624/large_smg00095920.jpg</image:loc><image:title>&quot;Regule,&quot; containing 75 percent of copper, from Hafod Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403495/shovel-handle</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/317/large_cd0630_006_100817_lcmc_t1951_shovel_handle.jpg</image:loc><image:title>Shovel handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409732/rca-thermionic-valve</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/289/large_cd0478_016_081222_1996_10_400_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>RCA thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/165/large_smg00243538.jpg</image:loc><image:title>RCA thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409672/ferranti-milliammeter</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/153/large_cd0455_018_081125_1996_10_340_ferranti_6e_ammeter.jpg</image:loc><image:title>Ferranti milliammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15680/voigtlander-stereo-rollfilm-camera</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/832/large_smg00453890.jpg</image:loc><image:title>Voigtlander Stereo Rollfilm Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669979/experimental-chemical-dibromindigo</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20349/anthracite-from-moreton-colliery-saundersfoot-tenby-pembrokeshire</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20512/plumbaginous-or-graphitic-anthracite-from-the-mica-schists-worcester-usa</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/555/large_smg00095716.jpg</image:loc><image:title>Plumbaginous or graphitic anthracite from the mica schists, Worcester, U.S.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20752/artificial-felspar-from-the-furnace-of-the-sangersen-copper-works</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/577/large_smg00096303.jpg</image:loc><image:title>Artificial felspar from the furnace of the Sangersen Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410025/ferranti-ammeter</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/411/large_cd0474_018_081216_1996_10_701_ferranti_8e_ammeter.jpg</image:loc><image:title>Ferranti ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668959/dye-sample-acid-anthracene-brown</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405212/repulsion-moving-iron-ammeter</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/265/large_smg00246560.jpg</image:loc><image:title>Repulsion moving iron ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667188/benzo-purpurine-4b-dye-sample</loc><lastmod>2026-01-09T15:17:54.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16104/primus-rollfilm-carbine-no-5</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148569/vaccination-lancet</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20754/skeleton-crystals-from-metal-slag</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/590/large_smg00096318.jpg</image:loc><image:title>Skeleton crystals from metal slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668951/dye-sample-naphtindone</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21286/samples-of-defective-ships-nails</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/955/large_smg00096495.jpg</image:loc><image:title>Samples of defective ships&apos; nails</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410095/ferranti-die-for-clock-face</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/310/large_cd0451_010_081111_1996_10_773_ferranti_5d_die.jpg</image:loc><image:title>Ferranti die for clock face</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669997/datiscetin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:54.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409743/cossor-thermionic-valve</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/244/large_cd0476_015_081219_1996_10_411_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/369/large_smg00243807.jpg</image:loc><image:title>Cossor thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669839/experimental-chemical-bromalizarin</loc><lastmod>2026-01-09T15:17:55.331Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409996/ferranti-gte-telephone</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/586/large_smg00249433__0001_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/587/large_smg00249433__0002_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/588/large_smg00249433__0003_.jpg</image:loc><image:title>Ferranti GTE Telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20733/fine-metal-slag-presented-by-w-edmonds</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/649/large_smg00096275.jpg</image:loc><image:title>Fine metal slag, presented by W. Edmonds</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671610/dye-sample-duranol-red</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20995/copper-accidentally-crystallised-mines-royal-copper-works</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/73/large_1889_0164_0880__0003_.jpg</image:loc><image:title>Copper accidentally crystallised, Mines Royal Copper Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/71/large_1889_0164_0880__0001_.jpg</image:loc><image:title>Copper accidentally crystallised, Mines Royal Copper Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/72/large_1889_0164_0880__0002_.jpg</image:loc><image:title>Copper accidentally crystallised, Mines Royal Copper Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/656/large_smg00096445.jpg</image:loc><image:title>Copper accidentally crystallised, Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408999/textile-printing-block</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/757/large_cd0121_054_050713_y1995_2_8_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/621/large_smg00248187.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21144/alloy-of-995-copper-and-5-antimony</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/969/large_smg00096521.jpg</image:loc><image:title>Alloy of 995 copper and 5 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16465/leonar-folding-bellows-plate-camera-and-three-single-darkslides</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/442/large_smg00452374.jpg</image:loc><image:title>Leonar Folding Bellows Plate Camera and Three Single Darkslides.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20856/roasted-ore-furnace-regulus-gerostete-rohstein-freiberg</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669977/experimental-chemical-indigo-monoxime</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405876/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/203/large_cd0631_004_100824_1984_170_16_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21166/alloy-of-1-part-copper-and-3-lead</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/926/large_smg00208547.jpg</image:loc><image:title>Alloy of 1 part copper and 3 lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409376/ferranti-electrical-component</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/775/large_cd0498_001_090205_1996_10_59_ferranti_16b_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15721/the-soho-rigid-single-lens-reflex-camera</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/942/large_smg00452023.jpg</image:loc><image:title>The Soho Rigid Single Lens Reflex Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409753/ferranti-ltd-computer-tape-spooler</loc><lastmod>2026-01-09T15:17:55.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/503/large_cd0504_001_090217_1996_10_421_ferranti_20a_tape_reader.jpg</image:loc><image:title>Ferranti Ltd computer tape spooler</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/260/large_y1996_0010_0421__0002_.jpg</image:loc><image:title>Ferranti Ltd computer tape spooler</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/262/large_y1996_0010_0421__0003_.jpg</image:loc><image:title>Ferranti Ltd computer tape spooler</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/259/large_y1996_0010_0421__0001_.jpg</image:loc><image:title>Ferranti Ltd computer tape spooler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21439/result-of-exposing-sulphide-of-zinc-to-a-high-temperature</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20890/ore-furnace-slag-schlacke</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/825/large_smg00099222.jpg</image:loc><image:title>Ore-furnace slag, &quot;Schlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21136/copper-sheathing-from-hms-spy</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/552/large_smg00001091.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Spy&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20835/mixed-sulphate-or-black-vitriol-hettstedt-copper-works</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21056/best-selected-copper-from-messrs-newton-and-co</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/710/large_smg00096716.jpg</image:loc><image:title>Best selected copper from Messrs. Newton and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403923/coal-mining-combustion-instrument</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/214/large_cd0663_039_111004_lcmc_t69_combustion_instrument.jpg</image:loc><image:title>Coal mining combustion instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664587/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667206/naphtalene-dye-sample</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16193/kodak-junior-1-camera</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/412/large_smg00452062.jpg</image:loc><image:title>Kodak Junior 1 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410042/ferranti-model-148-radio</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/47/large_smg00247478.jpg</image:loc><image:title>Ferranti Model 148 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408952/bottle-of-ink</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/462/large_cd0125_013_050721_t_1995_1_271_dormy_endorsing_ink.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/542/large_smg00249363.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668844/dye-sample-octa-acetyl-ruberythric-acid</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16631/watson-tourist-folding-bellows-tailboard-field-or-stand-camera-for-megatives-4-34-x-6-12</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/377/large_smg00450932.jpg</image:loc><image:title>Watson Tourist&apos; folding bellows tailboard field or stand camera for megatives 4 3/4 x 6 1/2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403991/pit-prop-key-for-adjusting-hydraulics</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404698/compression-apparatus-used-by-james-joule</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/625/large_smg00249464__0002_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/626/large_smg00249464__0003_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/624/large_smg00249464__0001_.jpg</image:loc><image:title>Compression Apparatus Used By James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20781/short-fibres-moss-copper-formed-in-irregular-cracks-in-a-regulus</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/601/large_smg00096333.jpg</image:loc><image:title>Short fibres moss copper formed in irregular cracks in a regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20840/once-roasted-regulus-spurstein-hettstedt</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/735/large_smg00096747.jpg</image:loc><image:title>Once roasted regulus, &quot;Spurstein&quot;, Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20445/coke-from-an-old-gas-retort-at-leith</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/893/large_smg00091176.jpg</image:loc><image:title>Coke from an old gas retort at Leith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21277/metal-from-a-chinese-gong-melted-and-cast-into-an-ingot</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408872/v-stencil</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/947/large_cd0437_002_081103_1995_1_67_stencil.jpg</image:loc><image:title>&apos;V&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15731/the-kodak-box-camera</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/214/large_smg00222333.jpg</image:loc><image:title>The Kodak box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20652/atacamite-from-the-province-of-atacama</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/852/large_smg00095801.jpg</image:loc><image:title>Atacamite from the province of Atacama</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21116/copper-sheathing-from-hms-swift</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/625/large_smg00001168.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Swift&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407647/linecasting-matrices</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/981/large_smg00248715.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410086/ferranti-model-9503056-red-warning-light</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/977/large_cd0438_010_081104_1996_10_764_ferranti_1a_warning_switch.jpg</image:loc><image:title>Ferranti model 9503056 red warning light</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20765/sulphate-of-copper-from-a-culvert-swansea-district</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/581/large_smg00096307.jpg</image:loc><image:title>Sulphate of copper from a culvert, Swansea district</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409458/ferranti-electric-meter</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/546/large_cd0466_020_081211_1996_10_138_ferranti_8a_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21278/brass-nails-made-at-portsmouth-dockyard-for-fixing-sheathing</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409076/fabric-printing-block</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/364/large_cd0696_018_121003_1995_2__86_printing_block.jpg</image:loc><image:title>Fabric printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405209/j-white-sir-w-thomsons-patent-electrostatic-voltmeter</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/775/large_smg00245876.jpg</image:loc><image:title>J White Sir W Thomson&apos;s patent electrostatic voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20976/furnace-accretion-ofenbruch</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/649/large_smg00096436.jpg</image:loc><image:title>Furnace accretion &quot;Ofenbruch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409040/textile-printing-block</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/786/large_cd0121_083_050713_y1995_2_50_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/970/large_smg00248610.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410004/ferranti-model-mcaa35-voltmeter</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/597/large_cd0469_006_081212_1996_10_680_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti model MCAA35 voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20256/carbonaceous-substance-pieces-from-sandy-soil-of-the-desert-australia</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16472/folding-klito-model-000a</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/366/large_smg00450915.jpg</image:loc><image:title>Folding Klito Model 000a</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664561/sample-chemicals-tungsten-dioxy</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409572/ferranti-silicon-wafer</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/363/large_cd0472_002_081216_1996_10_245_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>Ferranti silicon wafer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21091/copper-sheathing-from-hms-astraea</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/580/large_smg00001119.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Astraea&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671627/dye-sample-caledon-jade-green</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20321/no3-coal</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/365/large_smg00087464.jpg</image:loc><image:title>No.3 coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16086/vpk-autographic-kodak-canada</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/543/large_smg00454603.jpg</image:loc><image:title>VPK Autographic. Kodak Canada</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664186/xenon-fluoride</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409492/ferranti-ammeter</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/68/large_smg00250528.jpg</image:loc><image:title>Ferranti Ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409069/textile-printing-block</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/319/large_cd0127_013_050721_t_1995_2_79_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/901/large_smg00248541.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15659/contessa-nettel-folding-bellows-camera</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/18/large_smg00450619.jpg</image:loc><image:title>Contessa Nettel folding bellows camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21137/copper-sheathing-from-hms-argonaut</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/570/large_smg00001109.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Argonaut&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403093/miners-hard-hat</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16690/leica-m3-35mm-camera</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/469/large_1979_559_680_07.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/466/large_1979_559_680_04.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/468/large_1979_559_680_06.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/470/large_1979_559_680_08.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/464/large_1979_559_680_02.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/467/large_1979_559_680_05.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/465/large_1979_559_680_03.jpg</image:loc><image:title>Leica M3 35mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21401/coal-from-the-camdeboo-mountains</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/873/large_smg00091146.jpg</image:loc><image:title>Coal from the Camdeboo Mountains</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20717/ore-furnace-slag-used-for-making-a-culvert-from-the-copper-furnaces</loc><lastmod>2026-01-09T15:17:56.766Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/635/large_smg00096261.jpg</image:loc><image:title>Ore-furnace slag used for making a culvert from the copper furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670320/curcumin-a-sample-chemical</loc><lastmod>2026-01-09T15:17:56.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20270/albertite-from-kittram-parish</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/840/large_smg00087525.jpg</image:loc><image:title>Albertite from Kittram parish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20745/bed-of-metal-furnace-when-making-metal-containing-up-to-40-copper-morfa-copper-works</loc><lastmod>2026-01-09T15:17:56.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/585/large_smg00096312.jpg</image:loc><image:title>Bed of metal furnace when making metal containing up to 40% copper. Morfa Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409906/valve-radio-receiver</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/408/large_cd0474_015_081216_1996_10_577_ferranti_9b_valve_radio_receiver.jpg</image:loc><image:title>Valve radio receiver</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/235/large_smg00245217.jpg</image:loc><image:title>Valve radio receiver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16088/vpk-autographic-kodak-canada-inc</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/766/large_smg00450743.jpg</image:loc><image:title>VPK Autographic. Kodak Canada Inc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16250/coronet-camera</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670951/experimental-chemical-ammonium-dinitropurpuroxanthium</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404654/condensing-pump-used-by-joule-with-a-gas-cylinder-for-experiments-on-the-condensation-of-air</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20773/crystals-of-arseniate-of-copper-formed-in-a-furnace-bottom-on-a-metal-slag</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/593/large_smg00096321.jpg</image:loc><image:title>Crystals of arseniate of copper formed in a furnace bottom on a metal slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406157/photometer</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/530/large_cd0646_041_110315_lcmc_t1808_phorometer.jpg</image:loc><image:title>Photometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409113/egg-lemon-shampoo-in-labelled</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/205/large_cd0698_004_121024_1995_2_156_roberta_egg_lemon_shampoo.jpg</image:loc><image:title>Egg Lemon Shampoo in labelled</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15689/leica-iii-black-enamelled-camera</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670360/experimental-chemical-murexide</loc><lastmod>2026-01-09T15:17:57.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409842/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/382/large_cd0472_021_081216_1996_10_513_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20595/copper-containing-phosphorus</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/905/large_smg00095895.jpg</image:loc><image:title>Copper containing phosphorus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664297/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20741/crystals-in-an-ore-furnace-slag-morfa-copper-works-swansea</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/579/large_smg00096305.jpg</image:loc><image:title>Crystals in an ore-furnace slag, Morfa Copper Works, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16436/six-20-brownie-eastman-kodak</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/507/large_smg00452358.jpg</image:loc><image:title>Six-20 Brownie. Eastman Kodak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670956/experimental-chemical-triacetylisopurpurine</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20746/pieces-from-furnace-bottoms</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/587/large_smg00096314.jpg</image:loc><image:title>Pieces from furnace bottoms</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20584/artificial-oxychloride-of-copper</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/906/large_smg00095896.jpg</image:loc><image:title>Artificial oxychloride of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664566/sample-chemicals-tungsten</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409780/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/45/large_cd0480_002_081222_1996_10_451_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409677/ferranti-dc-voltmeter</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/158/large_cd0456_001_081125_1996_10_345_ferranti_6d_voltmeter.jpg</image:loc><image:title>Ferranti DC voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671604/dye-sample-brenthol-as</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406493/coal-sample-mounted</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408122/jar-of-tungsten-trioxide-from-ammonium-tungstate</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/238/127/large_cd0169_003_050927_mom_1991_347_102_tungsten_trioxide.jpg</image:loc><image:title>Jar of tungsten trioxide (from ammonium tungstate)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409685/ferranti-astatic-voltage-relay</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/756/large_cd0449_001_081111_1996_10_353_ferranti_5a_relay.jpg</image:loc><image:title>Ferranti astatic voltage relay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667765/quinoline-yellow-dye-sample</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670994/experimental-chemical-metabenzbioxyanthraquinone</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20948/rich-residual-copper-from-the-liquation-reichfrisch-kienstocke</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/942/large_smg00096374.jpg</image:loc><image:title>Rich residual copper from the liquation, &quot;Reichfrisch-Kienstocke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21134/copper-sheathing-from-hms-meeanee</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/567/large_smg00001106.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Meeanee&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21391/coal-from-kawa-kawa</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/391/large_smg00088114.jpg</image:loc><image:title>Coal from Kawa-Kawa</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665341/safranine-e-dye-sample</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409684/ferranti-consumption-meter</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/161/large_cd0456_009_081125_1996_10_352_ferranti_7c_meter.jpg</image:loc><image:title>Ferranti consumption meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406927/miners-clogs</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/343/large_cd0674_033_120105_lcmc_t006_or_t1980_miners_clogs.jpg</image:loc><image:title>miners clogs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409670/ferranti-model-245-radio</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/342/large_smg00246738.jpg</image:loc><image:title>Ferranti Model 245 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665223/valenia-dye-sample</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409122/ptp-puraseptic-small-labelled</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/214/large_cd0698_013_121024_1995_2_194_ptp_puraseptic.jpg</image:loc><image:title>PTP Puraseptic. Small Labelled</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co143585/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21072/copper-wire-and-foil-from-a-porous-ingot-of-electrotype-copper</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/393/large_smg00102070.jpg</image:loc><image:title>Copper wire and foil from a porous ingot of electrotype copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16410/ensign-cupid-box-type-camera-c-1922</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/462/large_smg00452407.jpg</image:loc><image:title>Ensign Cupid Box Type Camera, c 1922</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21110/copper-sheathing-from-the-rudder-of-hms-melampus</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/614/large_smg00001157.jpg</image:loc><image:title>Copper sheathing from the rudder of H.M.S. &quot;Melampus&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409369/ferranti-electric-room-heater-element</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/768/large_cd0497_016_090203_1996_10_52_ferranti_15e_electric_room_heater_element.jpg</image:loc><image:title>Ferranti electric room heater element</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15656/the-challenge-folding-bellows-hand-camera</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/14/large_smg00450614.jpg</image:loc><image:title>The Challenge&apos; folding bellows hand camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408100/laboratory-glassware-tubing</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/91/large_smg00250553.jpg</image:loc><image:title>Laboratory Glassware Tubing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409774/ferranti-circuit-board</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/367/large_cd0472_006_081216_1996_10_445_ferranti_10a_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409532/sample-of-first-paper-insulated-cable</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/495/large_cd0503_015_090217_1996_10_206_ferranti_16d_electricity_supply_cable_section.jpg</image:loc><image:title>Sample of First Paper-Insulated Cable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/85/large_smg00250545.jpg</image:loc><image:title>Sample of First Paper-Insulated Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409756/ferranti-hvi-proving-unit</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/89/large_smg00250549.jpg</image:loc><image:title>Ferranti HVI Proving Unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404902/quercitron-bark-dye-samples</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/694/large_cd0122_018_050721_t_1970_90_52_quercitron_bark.jpg</image:loc><image:title>Quercitron Bark Dye Samples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20479/china-stone-from-cornwall</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/920/large_smg00091234.jpg</image:loc><image:title>China stone from Cornwall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21191/alloy-of-copper-and-manganese</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/681/large_smg00313882.jpg</image:loc><image:title>Alloy of copper and manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20730/sharp-slag-from-second-fusion</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/647/large_smg00096273.jpg</image:loc><image:title>&quot;Sharp slag&quot; from second fusion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664588/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408990/textile-guillotine</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/21/large_cd0132_013_050722_t_1995_1_textile_guillotine.jpg</image:loc><image:title>Textile Guillotine</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/525/326/large_smg00219185.jpg</image:loc><image:title>Textile Guillotine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405150/carbon-filament-lamp-made-by-swan-electric-light-co-ltd</loc><lastmod>2026-01-09T15:17:58.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/851/large_cd0084_022_050301_ms_1974_34_19_1_swan_light_bulb.jpg</image:loc><image:title>Carbon filament lamp made by Swan Electric Light Co. Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/110/large_smg00243480.jpg</image:loc><image:title>Carbon filament lamp made by Swan Electric Light Co. Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20844/five-time-roasted-regulus-spurstein-hettstedt</loc><lastmod>2026-01-09T15:17:58.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/733/large_smg00096744.jpg</image:loc><image:title>Five time roasted regulus, &quot;Spurstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409562/mercury-motor-electric-consumption-meter</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/738/large_cd0448_005_081107_1996_10_235_ferranti_4a_electric_meter.jpg</image:loc><image:title>Mercury motor electric consumption meter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/252/933/large_y1996_0010_0235__0001_.jpg</image:loc><image:title>Mercury motor electric consumption meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667158/homeopathic-set</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16201/no1a-autographic-kodak-junior</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/483/large_smg00452047.jpg</image:loc><image:title>No.1A Autographic Kodak Junior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20829/twice-roasted-ore-furnace-regulus-kupferstein-hettstedt</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/639/large_smg00096420.jpg</image:loc><image:title>Twice roasted ore-furnace regulus, &quot;Kupferstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20387/roof-coal-gawthopre-colliery-in-the-burnley-coalfield-lancashire</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/359/large_smg00087437.jpg</image:loc><image:title>&quot;Roof&quot; coal, Gawthopre Colliery, in the Burnley Coalfield, Lancashire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403854/electric-cap-lamp-and-battery</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409638/tesvac-vacuum-tester</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/148/large_cd0455_013_081118_1996_10_306_ferranti_6c_vacuum_measurement_instrument.jpg</image:loc><image:title>“Tesvac” vacuum tester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21073/copper-wire-and-foil-from-a-dense-ingot-of-electrotype-copper</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/397/large_smg00102075.jpg</image:loc><image:title>Copper wire and foil from a dense ingot of electrotype copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670401/experimental-chemical-diaxim-of-naphthazarin</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20853/concentrated-copper-regulus</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409615/ferranti-mcaa35-electric-meter</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/574/large_cd0468_004_081212_1996_10_283_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti MCAA35 Electric Meter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/94/large_smg00244946.jpg</image:loc><image:title>Ferranti MCAA35 Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409856/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404464/brick-engraved-ncb-gadbury</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/549/large_cd0660_006_110809_lcmc_t644_3_brick.jpg</image:loc><image:title>Brick engraved &apos;NCB Gadbury&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404468/rail</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20278/nant-y-glo-and-blaina-coal</loc><lastmod>2026-01-09T15:17:58.748Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/296/large_smg00085332.jpg</image:loc><image:title>Nant-y-glo and Blaina coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16266/ensign-selfix-self-erecting-bellows-camera-1925</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403860/axe-coal-mining-use</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/304/large_cd0629_058_100813_lcmc_t1697_axe.jpg</image:loc><image:title>Axe, coal mining use.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664553/sample-chemicals-tungsten-dichloride</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404474/sign-notice-no-unauthorised-person</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/32/large_cd0659_068_110809_lcmc_t610_sign.jpg</image:loc><image:title>Sign - &apos;Notice, no unauthorised person...&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409701/electrical-component</loc><lastmod>2026-01-09T15:17:59.029Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/975/large_cd0486_020_090108_1996_10_369_ferranti_11b_electrical_component.jpg</image:loc><image:title>Electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409450/ferranti-electrical-component</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/785/large_cd0498_011_090205_1996_10_130_ferranti_16b_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406485/german-model-usspurwies-sliding-arch-base</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/359/large_cd0674_049_120105_lcmc_t223_1_german_model_metal_prop.jpg</image:loc><image:title>German model Usspurwies sliding arch base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16655/graflex-series-b-single-lens-relex-camera-fo-plates-or-cutfilm-size-3-34-x-4-14</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/224/large_smg00450953.jpg</image:loc><image:title>Graflex Series B single lens relex camera fo plates or cutfilm size 3 3/4 x 4 1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409353/ferranti-ltd-milli-ammeter</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/716/large_cd0447_003_081107_1996_10_36_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti Ltd milli-ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404900/indigofera-plant-dye-sample</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/692/large_cd0122_016_050721_t_1970_90_42_indigofera_plant.jpg</image:loc><image:title>Indigofera Plant Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406174/coal-sample</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/295/large_cd0664_049_111004_lcmc_t1292_coal_sample.jpg</image:loc><image:title>Coal sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405149/nernst-lamp</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669987/experimental-chemical-indophenazine</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408094/coil-condenser-probably-used-by-edward-frankland-at-owens-college-chemistry-laboratory</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/514/large_cd0713_045_130904_1991_347_1_laboratory_apparatus.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/768/large_cd0086_006_050301_ms_1991_347_1_coil_condenser.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/767/large_cd0086_005_050301_ms_1991_347_1_coil_condenser.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/161/large_smg00243728__0003_.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/159/large_smg00243728__0001_.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/160/large_smg00243728__0002_.jpg</image:loc><image:title>Coil condenser probably used by Edward Frankland at Owen&apos;s College chemistry laboratory</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409041/textile-printing-block</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/766/large_cd0121_063_050713_y1995_2_51_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/323/large_smg00249178.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409043/textile-printing-block</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/764/large_cd0121_061_050713_y1995_2_53_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/337/large_smg00249197.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409772/ferranti-electronic-connector-and-circuit-board</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/365/large_cd0472_004_081216_1996_10_443_ferranti_10a_electronic_connector_and_circuit_board.jpg</image:loc><image:title>Ferranti electronic connector and circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408890/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20873/crystallised-slag-muldner-hutte</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/802/large_smg00099186.jpg</image:loc><image:title>Crystallised slag, Muldner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20582/result-of-heating-three-equivalents-of-copper-with-one-of-tersulphide-of-antimony</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/910/large_smg00095901.jpg</image:loc><image:title>Result of heating three equivalents of copper with one of tersulphide of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21190/alloy-of-copper-and-manganese-patented-by-dr-percy-1850</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408817/stencil-ring</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/600/large_cd0124_005_050721_t_1995_1_12_stencil_ring.jpg</image:loc><image:title>Stencil Ring</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/530/large_smg00249351.jpg</image:loc><image:title>Stencil Ring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796024/scientific-publication-black-holes-in-general-relativity</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/653/large_smg00340319__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Black Holes in General Relativity’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/654/large_smg00340319__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Black Holes in General Relativity’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/655/large_smg00340319__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Black Holes in General Relativity’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20284/part-of-10-yard-or-thick-coal-from-grace-mary-colliery-rowley-regis-south-staffordshire</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/290/large_smg00085326.jpg</image:loc><image:title>Part of 10-yard, or thick coal, from Grace Mary Colliery, Rowley Regis, South Staffordshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20487/soft-white-friable-siliceous-material-llandudno-area</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/907/large_smg00091219.jpg</image:loc><image:title>Soft, white, friable, siliceous material, Llandudno area</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409812/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/762/large_cd0449_007_081111_1996_10_483_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8402925/sign-national-coal-board</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/301/large_cd0629_055_100810_lcmc_t1637_national_coal_board_sign.jpg</image:loc><image:title>Sign, &apos;National Coal 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valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/965/large_smg00243298.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8795127/pye-tvt-logo-panel</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/225/large_smg00354522.jpg</image:loc><image:title>Pye TVT Logo Panel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408866/p-stencil</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/946/large_cd0437_001_081103_1995_1_62_stencil.jpg</image:loc><image:title>&apos;P&apos; stencil</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/132/large_cd0436_022_081103_1995_1_61_stencil.jpg</image:loc><image:title>&apos;P&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21095/vivians-bronze-sheathing-from-hms-express</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/475/large_smg00241418.jpg</image:loc><image:title>Vivian&apos;s bronze sheathing from H.M.S. &quot;Express&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405211/british-westinghouse-moving-iron-ammeter</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/260/large_smg00246554.jpg</image:loc><image:title>British Westinghouse moving iron ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21052/russian-copper</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/791/large_smg00099147.jpg</image:loc><image:title>Russian copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668243/dye-sample-oxime-of-isatin</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408954/inkpot</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/464/large_cd0125_015_050721_t_1995_1_273_inkpot.jpg</image:loc><image:title>Inkpot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/210/large_smg00245185.jpg</image:loc><image:title>Inkpot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408899/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16387/ansco-clipper-2-14-sq-collapsible</loc><lastmod>2026-01-09T15:18:00.256Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409390/ferranti-l32a-shell-fuzes</loc><lastmod>2026-01-09T15:18:00.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/17/large_cd0440_006_081105_1996_10_72_1_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Ferranti L32A shell fuzes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/18/large_cd0440_007_081105_1996_10_72_2_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Ferranti L32A shell fuzes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15745/no-2-stereo-kodak-box-camera</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/931/large_smg00450640.jpg</image:loc><image:title>No. 2 Stereo Kodak Box Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407637/linotype-tray</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/576/large_smg00247050.jpg</image:loc><image:title>Linotype Tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20303/bituminous-coal</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/386/large_smg00087524.jpg</image:loc><image:title>Bituminous coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15696/leica-iii-camera-c-1933</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/489/large_smg00450714.jpg</image:loc><image:title>Leica III camera, c 1933</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666892/duranol-red-2b-dye-sample</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409131/vedra-toning-lotion-card-box</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/221/large_cd0698_020_121024_1995_2_212_vedra_toning_lotion.jpg</image:loc><image:title>Vedra Toning Lotion. Card box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16639/folding-brownie-six-20</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/858/large_smg00453999.jpg</image:loc><image:title>Folding Brownie Six-20</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410089/radio-spares-incandescent-lamp</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/88/large_cd0482_001_090102_1996_10_767_ferranti_10c_incandescent_lamp.jpg</image:loc><image:title>Radio Spares incandescent lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665351/magenta-dye-sample</loc><lastmod>2026-01-09T15:18:00.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21343/coal-from-sumatra</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/821/large_smg00087253.jpg</image:loc><image:title>Coal from Sumatra</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20698/moderately-coarse-copper-rain</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796031/scientific-publication-action-integral-and-partition-functions-in-quantum-gravity</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/657/large_smg00340321__0002_.jpg</image:loc><image:title>Scientific 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Gravity’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408878/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409858/three-eht-blocking-oscillator-radio-components</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/393/large_cd0473_021_081216_1996_10_529_ferranti_9e_radio_component.jpg</image:loc><image:title>Three EHT blocking oscillator radio components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20236/brown-lignite-from-the-dranista-coalfield</loc><lastmod>2026-01-09T15:18:00.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/817/large_smg00085357.jpg</image:loc><image:title>Brown lignite from the Dranista Coalfield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409476/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/778/large_cd0446_001_081107_1996_10_156_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410062/evans-electroselenium-photo-cells</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21169/alloy-of-copper-and-zinc</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/958/large_smg00096508.jpg</image:loc><image:title>Alloy of copper and zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21375/coal-from-new-south-wales-imported-1872</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/389/large_smg00088111.jpg</image:loc><image:title>Coal from New South Wales, imported 1872</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407596/linecasting-ingot-mould</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/983/large_smg00248718.jpg</image:loc><image:title>Linecasting Ingot Mould</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671619/dye-sample-caledon-blue-grains</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407649/linecasting-matrices</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/575/large_smg00247049.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21360/coal-from-hu-isun-no1-china</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/856/large_smg00088251.jpg</image:loc><image:title>Coal from Hu-Is&apos;un (no.1), China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20750/artificial-felspar-from-the-furnace-of-sangershausen-copper-works</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/595/large_smg00096323.jpg</image:loc><image:title>Artificial felspar from the furnace of Sangershausen Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21008/specimens-illustrating-the-casting-of-copper</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/501/large_smg00096814.jpg</image:loc><image:title>Specimens illustrating the casting of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409860/radiospares-rheostat-radio-component</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/395/large_cd0474_001_081216_1996_10_531_ferranti_9d_radio_component.jpg</image:loc><image:title>RadioSpares rheostat radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20812/ore-furnace-regulus-after-the-first-roasting-1-feuriger-rohstein-from-sangershausen</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/622/large_smg00096403.jpg</image:loc><image:title>Ore-furnace regulus after the first roasting; &quot;1-feuriger Rohstein,&quot; from Sangershausen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409805/ferranti-model-131-clock</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/348/large_smg00246744.jpg</image:loc><image:title>Ferranti Model 131 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667019/homeopathic-set</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409710/clip-applying-forceps</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/329/large_smg00265259.jpg</image:loc><image:title>Clip-applying forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409414/ferranti-minera-heater</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404683/graduated-mercury-thermometer</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/371/large_smg00245374.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/936/large_cd0710_005_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/934/large_cd0710_003_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/931/large_cd0709_072_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/941/large_cd0710_010_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/932/large_cd0710_001_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/933/large_cd0710_002_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/930/large_cd0709_071_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/939/large_cd0710_008_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/938/large_cd0710_007_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/937/large_cd0710_006_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/935/large_cd0710_004_130702_james_joule_thermometer_detail.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664339/clear-glass-bottle-with-black-plastic-srew-lid</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409803/ferranti-type-fh15a-horizon-gyro</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/910/large_cd0444_009_081106_1996_10_474_ferranti_1d_artificial_horizon.jpg</image:loc><image:title>Ferranti type FH15A horizon gyro</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20864/ore-furnace-slag-rohschlacke-muldner-hutte-freiberg</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/734/large_smg00096746.jpg</image:loc><image:title>Ore-furnace slag, &quot;Rohschlacke,&quot; Muldner Hutte, Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407650/linecasting-matrices</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/528/large_smg00246996.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409739/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/295/large_cd0478_022_081222_1996_10_407_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/26/large_smg00243392.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408809/textile-printing-block</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/534/large_smg00248089.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405148/light-bulb</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/409/large_smg00243849.jpg</image:loc><image:title>light bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20386/thick-coal</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/355/large_smg00087432.jpg</image:loc><image:title>&quot;Thick&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410051/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/297/large_cd0450_019_081111_1996_10_727_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670910/experimental-chemical-ethylphyllotaonin</loc><lastmod>2026-01-09T15:18:01.992Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409524/promotional-display-of-transistors</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/960/large_cd0486_005_090108_1996_10_198_ferranti_11c_display_item.jpg</image:loc><image:title>Promotional display of transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409393/ferranti-type-lla2-shell-fuze</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/581/large_smg00249431__0001_.jpg</image:loc><image:title>Ferranti Type LLA2 Shell Fuze</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/582/large_smg00249431__0002_.jpg</image:loc><image:title>Ferranti Type LLA2 Shell Fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409614/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/573/large_cd0468_003_081212_1996_10_282_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670319/experimental-chemical-leucine</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16680/plate-back-for-cartridge-kodak</loc><lastmod>2026-01-09T15:18:01.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/522/large_smg00453997.jpg</image:loc><image:title>Plate Back for Cartridge Kodak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408095/palladium-bulb</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/125/512/large_cd0713_043_130904_1991_347_2_laboratory_apparatus.jpg</image:loc><image:title>Palladium bulb</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/770/large_cd0086_008_050301_ms_1991_347_2_special_apparatus.jpg</image:loc><image:title>Palladium bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410005/ferranti-model-mcab35-electric-meter</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/598/large_cd0469_007_081212_1996_10_681_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti model MCAB35 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403964/childs-shoe-sole</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/344/large_cd0627_012_100723_lcmc_t1900_childs_shoe_sole.jpg</image:loc><image:title>Child&apos;s shoe sole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/343/large_cd0627_011_100723_lcmc_t1900_childs_shoe_sole_with_article.jpg</image:loc><image:title>Child&apos;s shoe sole</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16701/leica-135mm-camera-c-1930</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/496/206/large_1979_0559_0722__0002_.jpg</image:loc><image:title>Leica 135mm camera, c 1930</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/496/207/large_1979_0559_0722__0003_.jpg</image:loc><image:title>Leica 135mm camera, c 1930</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/496/203/large_1979_0559_0722__0001_.jpg</image:loc><image:title>Leica 135mm camera, c 1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20379/middle-coal-bagworth-leicester</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/437/large_smg00087443.jpg</image:loc><image:title>&quot;Middle&quot; coal, Bagworth, Leicester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405927/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/265/large_cd0631_070_100827_1984_170_44_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21380/coal-from-new-south-wales-dukinfield-colliery</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/871/large_smg00091144.jpg</image:loc><image:title>Coal from New South Wales, Dukinfield Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16672/plate-magazine-camera</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/658/large_smg00450967.jpg</image:loc><image:title>Plate Magazine Camera.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409410/ferranti-type-esg-2a-electric-meter</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/361/large_cd0471_022_081212_1996_10_92_ferranti_8e_electric_meter.jpg</image:loc><image:title>Ferranti type ESG 2a electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670592/sample-of-dye-toluene</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8931665/rapid-rectilinear-lens-12-inch-fl</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/724/large_smg00452011.jpg</image:loc><image:title>Rapid Rectilinear Lens 12 inch f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408913/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20570/result-of-heating-one-equivalent-of-copper-sulphide-with-two-of-zinc</loc><lastmod>2026-01-09T15:18:02.279Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/883/large_smg00095841.jpg</image:loc><image:title>Result of heating one equivalent of copper sulphide with two of zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403966/miners-self-rescuer-cartridge</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409454/ferranti-sign</loc><lastmod>2026-01-09T15:18:02.523Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/788/large_cd0498_014_090205_1996_10_134_ferranti_13e_label.jpg</image:loc><image:title>Ferranti sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409652/ferranti-ltd-display-sign</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20941/black-copper-containing-silver</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/939/large_smg00096371.jpg</image:loc><image:title>Black copper, containing silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409581/transformer-wirings</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/84/large_smg00250544.jpg</image:loc><image:title>Transformer Wirings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21033/laminated-copper-from-lake-superior</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/488/large_smg00096760.jpg</image:loc><image:title>Laminated copper from Lake Superior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20298/seaton-burn-steam-coal</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/368/large_smg00087502.jpg</image:loc><image:title>Seaton Burn steam coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664559/sample-chemicals-tungsten-tribromide</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796025/scientific-publication-the-four-laws-of-black-hole-mechanics</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/737/large_e2021_0126_0027__0001_.jpg</image:loc><image:title>Scientific Publication: ‘The Four Laws of Black Hole Mechanics’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/739/large_e2021_0126_0027__0002_.jpg</image:loc><image:title>Scientific Publication: ‘The Four Laws of Black Hole Mechanics’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403927/orsat-gas-analysis-aparatus</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/990/large_cd0659_021_110809_lcmc_t67_orsat_gas_analysis_aparatus.jpg</image:loc><image:title>Orsat gas analysis aparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410048/electric-meter</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/294/large_cd0450_016_081111_1996_10_724_ferranti_4e_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409700/surgical-gauze-swabs</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/337/large_smg00265267.jpg</image:loc><image:title>Surgical gauze swabs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16114/kodak-no-1-autogrpahic-fodling-bellows-camera-for-rollfilm-no120</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/37/large_smg00452291.jpg</image:loc><image:title>Kodak No. 1 Autogrpahic Fodling Bellows Camera for Rollfilm No.120</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21074/electrotype-copper</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/978/large_smg00096719.jpg</image:loc><image:title>Electrotype copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20802/refinery-furnace-bottom-mines-royal-1869</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/618/large_smg00096397.jpg</image:loc><image:title>Refinery furnace bottom, Mines Royal, 1869</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20708/ore-furnace-slag-showing-a-porphritic-appearance-hafod-works</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/627/large_smg00096253.jpg</image:loc><image:title>Ore-furnace slag, showing a porphritic appearance, Hafod Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403835/sign-for-windy-arbour-colliery-co-ltd</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/294/large_cd0629_040_100810_lcmc_t1564_windy_arbour_colliery_sign.jpg</image:loc><image:title>Sign for Windy Arbour Colliery Co. Ltd.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/472/large_smg00243941.jpg</image:loc><image:title>Sign for Windy Arbour Colliery Co. Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16145/vest-pocket-autographic-kodak</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/781/large_smg00450752.jpg</image:loc><image:title>Vest Pocket Autographic Kodak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404899/cochineal-dye-sample</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/691/large_cd0122_015_050721_t_1970_90_41_cochineal.jpg</image:loc><image:title>Cochineal Dye Sample.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670615/sample-of-dye-sulphanilic-acid</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409482/ferranti-frequency-meter</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/549/large_cd0467_001_081211_1996_10_162_ferranti_8c_extension_converter_box.jpg</image:loc><image:title>Ferranti frequency meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16214/kodak-junior-620-camera</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/51/large_smg00452318.jpg</image:loc><image:title>Kodak Junior 620 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409474/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/945/large_cd0445_022_081106_1996_10_154_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21127/copper-sheathing-from-the-ship-frolic</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/579/large_smg00001118.jpg</image:loc><image:title>Copper sheathing from the ship &quot;Frolic&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670381/naphthacyaminic-acid-a-sample-chemical</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664395/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20419/the-coal-brick-and-pottery-companys-seam-pictou-county-nova-scotia</loc><lastmod>2026-01-09T15:18:03.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/342/large_smg00087419.jpg</image:loc><image:title>The Coal, Brick, and Pottery Company&apos;s seam, Pictou  County, Nova Scotia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409624/ferranti-transformer</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/971/large_cd0486_016_090108_1996_10_292_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670924/experimental-chemical-phylloporphurin</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20470/fire-clay-from-the-star-fire-brick-works</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/443/large_smg00091229.jpg</image:loc><image:title>Fire-clay from the Star Fire-brick Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16450/every-distance-box-camera</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/522/large_smg00450902.jpg</image:loc><image:title>Every Distance box camera.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409126/pure-cod-liver-oil-capsules-bp</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/218/large_cd0698_017_121024_1995_2_202_pure_cod_liver_oil_capsules.jpg</image:loc><image:title>Pure Cod Liver Oil capsules BP</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404701/drum-and-handle-used-to-turn-a-paddlewheel-by-james-joule</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409115/cosmetic</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/207/large_cd0698_006_121024_1995_2_158_roberta_shampoo.jpg</image:loc><image:title>Cosmetic</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16403/duflex-iii-camera</loc><lastmod>2026-01-09T15:18:03.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/504/large_smg00452353.jpg</image:loc><image:title>Duflex III Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409059/textile-printing-block</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/780/large_cd0121_077_050713_y1995_2_69_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/232/large_smg00249052.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21298/defective-brass-casting</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/924/large_smg00208545.jpg</image:loc><image:title>Defective brass casting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409691/knife-handles</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409664/ferranti-artificial-horizon</loc><lastmod>2026-01-09T15:18:04.306Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/791/large_cd0446_014_081107_1996_10_332_ferranti_1e_artificial_horizon.jpg</image:loc><image:title>Ferranti artificial horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403988/sledge-hammer-coal-mining</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/21/large_cd0659_057_110809_lcmc_t502_sledge_hammer.jpg</image:loc><image:title>Sledge hammer, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407069/screwdriver</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/295/large_smg00249132.jpg</image:loc><image:title>Screwdriver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407654/linecasting-matrices</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/523/large_smg00246991.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16379/singlo-camera</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/46/large_smg00450801.jpg</image:loc><image:title>Singlo camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667771/beta-naphtylamine-dye-sample</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20581/result-of-heating-bisulphide-of-copper-with-25-times-its-weight-of-litharge</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/893/large_smg00095881.jpg</image:loc><image:title>Result of heating bisulphide of copper with 25 times its weight of litharge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20999/cake-copper-which-has-been-broken-down-hot-but-crumbles-when-cut-cold</loc><lastmod>2026-01-09T15:18:04.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/660/large_smg00096449.jpg</image:loc><image:title>Cake copper which has been &quot;broken down&quot; hot, but crumbles when cut cold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15682/no-3-autographic-kodak-model-h</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/925/large_smg00450632.jpg</image:loc><image:title>No. 3 Autographic Kodak Model H.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409329/ferranti-af3-audio-frequency-transformer-with-a-set-of-three-coil-formers</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/946/large_cd0485_013_090106_1996_10_17_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti AF3 audio frequency transformer with a set of three coil formers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16270/epsilon-model-selfix-420-portable-folding-camera</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/453/large_smg00220072.jpg</image:loc><image:title>&apos;Epsilon&apos; Model Selfix 420 Portable Folding Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796034/scientific-publication-interacting-quantum-fields-around-a-black-hole</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/746/large_e2021_0126_0036__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/747/large_e2021_0126_0036__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/709/large_smg00340341__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/710/large_smg00340341__0004_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/708/large_smg00340341__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/707/large_smg00340341__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Interacting Quantum Fields Around a Black Hole&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20894/slag-from-this-fusion-schlacke</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/823/large_smg00099219.jpg</image:loc><image:title>Slag from this fusion, &quot;Schlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21207/specimens-of-phosphorus-bronze</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/658/large_smg00313853.jpg</image:loc><image:title>Specimens of &quot;phosphorus&quot; bronze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21411/old-yellow-metal-sheathing</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671166/experimental-chemical-quinizarine</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20787/hair-like-substance-resembling-moss-copper-on-the-surface-of-fine-metal</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20634/copper-ore-from-fronteriza-mine</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/564/large_smg00095781.jpg</image:loc><image:title>Copper ore from Fronteriza Mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16174/no-2-folding-autographic-brownie</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/956/large_smg00452038.jpg</image:loc><image:title>No. 2 Folding Autographic Brownie</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20771/crystals-of-arsenious-acid-in-slag-from-making-best-selected-copper</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/597/large_smg00096327.jpg</image:loc><image:title>Crystals of arsenious acid in slag, from making &quot;best selected&quot; copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664300/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21175/alloy-of-copper-and-aluminium-aluminium-bronze</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/17/large_smg00097629.jpg</image:loc><image:title>Alloy of copper and aluminium. &quot;Aluminium bronze&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409667/diathermy-quivers</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20300/main-coal</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/371/large_smg00087509.jpg</image:loc><image:title>Main coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20823/thin-rich-regulus-dunnstein-sangershausen</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/630/large_smg00096411.jpg</image:loc><image:title>Thin rich regulus, &quot;Dunnstein,&quot; Sangershausen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408918/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409596/ferranti-electrical-component</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/497/large_cd0503_017_090217_1996_10_264_ferranti_16e_electrical_component.jpg</image:loc><image:title>Ferranti electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21168/alloy-of-copper-and-zinc</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/965/large_smg00096517.jpg</image:loc><image:title>Alloy of copper and zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409687/sponge-forceps</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409703/two-surgical-scalp-retractors</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/357/large_smg00265290.jpg</image:loc><image:title>Two surgical scalp retractors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407066/file</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/291/large_smg00249128.jpg</image:loc><image:title>File</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409873/box-of-radio-components</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/407/large_cd0474_014_081216_1996_10_544_ferranti_9e_radio_component.jpg</image:loc><image:title>Box of radio components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671212/experimental-chemical-xanthorhamnin</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21018/electrotype-copper-hard-and-not-good-for-german-silver</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/505/large_smg00096826.jpg</image:loc><image:title>Electrotype copper, hard and not good for German silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21300/defective-brass-splits-on-bending-into-rings</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/677/large_smg00096503.jpg</image:loc><image:title>Defective brass. Splits on bending into rings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20664/calnined-coarse-metal-from-the-haford-copper-works</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/890/large_smg00095850.jpg</image:loc><image:title>Calnined coarse metal from the Haford Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668834/dye-sample-rufoll</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409016/textile-printing-block</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/861/large_cd0121_127_050713_y1995_2_25_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/610/large_smg00248176.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16254/no-1-autographic-junior</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/426/large_smg00452082.jpg</image:loc><image:title>No. 1 Autographic Junior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16389/ensign-ful-vue-twin-lens-box-camera-c-1939</loc><lastmod>2026-01-09T15:18:05.669Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16156/no-1-pocket-kodak-autographic</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/498/large_smg00452327.jpg</image:loc><image:title>No. 1 Pocket Kodak (Autographic)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20446/coke-from-steam-coal-obtained-at-seaton-burn-colliery</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/889/large_smg00091170.jpg</image:loc><image:title>Coke from steam coal obtained at Seaton Burn Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409783/ferranti-type-s35ss-electronic-connector</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/48/large_cd0480_005_081222_1996_10_454_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti type S35SS electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16090/ensignette-1910</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/761/large_smg00450741.jpg</image:loc><image:title>Ensignette, 1910</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666991/homeopathic-set</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796003/scientific-publication-why-is-the-universe-isotropic</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/674/large_smg00340328__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Why is the Universe Isotropic?’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/676/large_smg00340328__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Why is the Universe Isotropic?’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/675/large_smg00340328__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Why is the Universe Isotropic?’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796047/hockey-puck-with-chicago-blackhawks-emblem</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/802/large_e2021_0126_0049__0001_.jpg</image:loc><image:title>Hockey puck with Chicago Blackhawks emblem</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/804/large_e2021_0126_0049__0002_.jpg</image:loc><image:title>Hockey puck with Chicago Blackhawks emblem</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/805/large_e2021_0126_0049__0003_.jpg</image:loc><image:title>Hockey puck with Chicago Blackhawks emblem</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405903/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/234/large_cd0631_035_100824_1984_170_35_mains_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21030/copper-obtained-from-stamping-native-copper-ore-at-lake-superior</loc><lastmod>2026-01-09T15:18:05.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/506/large_smg00096829.jpg</image:loc><image:title>Copper obtained from stamping native copper ore at Lake Superior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410026/ferranti-wattmeter</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/288/large_cd0450_010_081111_1996_10_702_ferranti_4a_wattmeter.jpg</image:loc><image:title>Ferranti wattmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668855/dye-sample-methylpseudo-isatin</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20709/ore-furnace-slag</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/628/large_smg00096254.jpg</image:loc><image:title>Ore-furnace slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20617/copper-bearing-shale-used-at-the-sangershausen-copper-works-prussian-saxony</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/567/large_smg00096292.jpg</image:loc><image:title>Copper-bearing shale used at the Sangershausen Copper Works, Prussian Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407051/hand-drill</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/126/large_smg00248898.jpg</image:loc><image:title>Hand Drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21430/result-of-heating-together-four-equivalents-of-zinc-and-one-of-arsenic</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20949/poor-residual-copper-from-the-liquation-armfrisch-kienstocke</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/938/large_smg00096370.jpg</image:loc><image:title>Poor residual copper from the liquation, &quot;Armfrisch-Kienstocke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409613/ferranti-ltd-electric-meter</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/572/large_cd0468_002_081212_1996_10_281_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti Ltd electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669918/gallic-acid-a-sample-chemical</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20499/sand-as-used-for-beds-of-copper-furnaces</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/437/large_smg00091173.jpg</image:loc><image:title>Sand as used for beds of copper furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15717/popular-pressman</loc><lastmod>2026-01-09T15:18:05.996Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16172/rietzschel-roll-tip-folding-bellows-camera</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/42/large_smg00450793.jpg</image:loc><image:title>Rietzschel roll tip folding bellows camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15675/all-distance-pocket-ensign-folding-bellows-camera-c-1925</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409349/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/670/large_smg00249576__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/669/large_smg00249576__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/671/large_smg00249576__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410098/ferranti-type-538w-accelerometer</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/896/large_cd0443_017_081106_1996_10_776_ferranti_2a_accelerometer.jpg</image:loc><image:title>Ferranti type 538W accelerometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405902/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/233/large_cd0631_034_100824_1984_170_34_double_ended_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409711/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/268/large_cd0477_017_081219_1996_10_379_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/321/large_smg00243753.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407606/linecasting-slug-paperweights</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/765/large_smg00247126.jpg</image:loc><image:title>Linecasting Slug Paperweights</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21069/electrotype-and-common-copper-heated-in-carbonic-oxide</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/718/large_smg00096725.jpg</image:loc><image:title>Electrotype and common copper heated in carbonic oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409705/resistor</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/502/large_cd0503_022_090217_1996_10_373_ferranti_16e_resistor.jpg</image:loc><image:title>Resistor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20886/once-roasted-ore</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20855/ore-furnace-slag-rohschlacke-freiberg</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/737/large_smg00096749.jpg</image:loc><image:title>Ore-furnace slag, &quot;Rohschlacke,&quot; Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21405/dundee-coal</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/888/large_smg00091161.jpg</image:loc><image:title>&quot;Dundee&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409673/seven-swann-morton-sterilised-surgical-blades</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/327/large_smg00265257.jpg</image:loc><image:title>Seven Swann-Morton sterilised surgical blades</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667016/homeopathic-set</loc><lastmod>2026-01-09T15:18:06.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410104/data-products-computer-circuit-board-for-argus-700</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/89/large_cd0482_002_090102_1996_10_782_ferranti_10c_computer_circuit_board.jpg</image:loc><image:title>Data Products computer circuit board for Argus 700</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409723/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/280/large_cd0478_007_081222_1996_10_391_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/106/large_smg00243476.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409680/ethicon-ltd-nylon-tape</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/323/large_smg00265253.jpg</image:loc><image:title>Ethicon Ltd nylon tape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408915/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671178/experimental-chemical-bromisoanthraflavine</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409637/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/150/large_cd0455_015_081118_1996_10_305_ferranti_7d_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409744/lowrey-thermionic-valve</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/297/large_cd0479_002_081222_1996_10_412_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Lowrey thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/46/large_smg00243413.jpg</image:loc><image:title>Lowrey thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408822/s-stencil</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/119/large_cd0436_009_081029_1995_1_17_stencil.jpg</image:loc><image:title>&apos;S&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20485/prepared-material-for-the-manufacture-of-dinas-bricks</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/438/large_smg00091186.jpg</image:loc><image:title>Prepared material for the manufacture of Dinas bricks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669933/experimental-chemical-chloroplatinate-of-isatomonohydrophenazine</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409055/textile-printing-block</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/781/large_cd0121_078_050713_y1995_2_65_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/324/large_smg00249179.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409381/ferranti-electric-junction-box</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/779/large_cd0498_005_090205_1996_10_63_ferranti_16b_electrical_junction_box.jpg</image:loc><image:title>Ferranti electric junction box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409341/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/666/large_smg00249575__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/667/large_smg00249575__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/668/large_smg00249575__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409484/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/779/large_cd0446_002_081107_1996_10_164_ferranti_3a_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16424/e20-camera</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/466/large_smg00452413.jpg</image:loc><image:title>E20 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409429/milli-roentgen-electric-meter</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/725/large_cd0447_012_081107_1996_10_111_ferranti_3e_electric_meter.jpg</image:loc><image:title>Milli Roentgen electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403914/guide-stake-coal-mining-use</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20297/cannel-coal-leeswood-green-colliery-mold-flintshire</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/369/large_smg00087503.jpg</image:loc><image:title>Cannel coal, Leeswood Green Colliery, Mold, Flintshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16161/ernemann-rolf-i-camera</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/37/large_smg00450782.jpg</image:loc><image:title>Ernemann Rolf I camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405908/computer-technology-ltd-blanking-plate</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/238/large_cd0631_039_100824_1984_170_40_metal_plate_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd blanking plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20216/lignite-from-bovey-tracey</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/544/large_smg00095430.jpg</image:loc><image:title>Lignite from Bovey Tracey</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20525/result-of-heating-silica-with-cuprous-oxide-in-the-proportion-of-3070</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/840/large_smg00095734.jpg</image:loc><image:title>Result of heating silica with cuprous oxide in the proportion of 30:70</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409419/death-mask-of-sebastian-ziani-de-ferranti</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/316/large_smg00251080.jpg</image:loc><image:title>Death mask of Sebastian Ziani de Ferranti</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21431/result-of-heating-zinc-with-10-per-cent-of-arsenic</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409541/ferranti-circuit-board</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/258/large_cd0477_007_081219_1996_10_215_ferranti_10d_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20295/smooth-cannel-coal</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/367/large_smg00087501.jpg</image:loc><image:title>Smooth cannel coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20207/round-ball-of-compressed-peat</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/813/large_smg00095477.jpg</image:loc><image:title>Round ball of compressed peat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20677/blue-metal-of-characteristic-colour-from-hafod-works</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/611/large_smg00095872.jpg</image:loc><image:title>&quot;Blue metal&quot; of characteristic colour, from Hafod Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20472/french-fire-clay</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/447/large_smg00091248.jpg</image:loc><image:title>French fire-clay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665239/gambier-dye-sample</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16448/bilora-box-camera</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/356/large_smg00450898.jpg</image:loc><image:title>Bilora Box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409779/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/44/large_cd0480_001_081222_1996_10_450_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8537674/power-pack-for-zeiss-ikon-zeitlupe-high-speed-camera</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20695/pimple-copper</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/605/large_smg00095866.jpg</image:loc><image:title>Pimple copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404898/quercitron-bark-sample</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/690/large_cd0122_014_050721_t_1970_90_39_quercitron_bark.jpg</image:loc><image:title>Quercitron Bark Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668241/dye-sample-phenylhydrazon-of-isatin</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404680/electromagnet-core</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/596/large_smg00249446__0002_.jpg</image:loc><image:title>Electromagnet Core</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/595/large_smg00249446__0001_.jpg</image:loc><image:title>Electromagnet Core</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20918/refined-copper-gaarkupfer</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/936/large_smg00096368.jpg</image:loc><image:title>Refined copper, &quot;Gaarkupfer&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409631/ferranti-resistance-box</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/501/large_cd0503_021_090217_1996_10_299_ferranti_16e_resistance_box.jpg</image:loc><image:title>Ferranti resistance box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409640/ferranti-model-ri-kilovoltmeter</loc><lastmod>2026-01-09T15:18:07.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/149/large_cd0455_014_081118_1996_10_308_ferranti_6d_voltmeter.jpg</image:loc><image:title>Ferranti model RI kilovoltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21198/brass-made-by-cementation-and-afterwards-remelted</loc><lastmod>2026-01-09T15:18:07.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/679/large_smg00313880.jpg</image:loc><image:title>Brass made by cementation and afterwards remelted</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21040/copper-containing-silicon-cast-into-a-medallion</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/714/large_smg00096721.jpg</image:loc><image:title>Copper containing silicon cast into a medallion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20232/lignite-from-san-pete-county-utah-state-usa</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/778/large_smg00095441.jpg</image:loc><image:title>Lignite from San Pete county, Utah State, U.S.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20511/specimen-of-material-used-to-make-morgan-crucibles</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/554/large_smg00095715.jpg</image:loc><image:title>Specimen of material used to make Morgan crucibles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409688/ferranti-clock-mechanism</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664563/sample-chemicals-tungsten-from-bromide</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404893/dye-sample</loc><lastmod>2026-01-09T15:18:07.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/686/large_cd0122_010_050721_t_1970_90_33_smyrna_root.jpg</image:loc><image:title>Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403969/walking-stick-coal-mining</loc><lastmod>2026-01-09T15:18:08.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/237/large_cd0675_027_120105_lcmc_t1820_walking_stick.jpg</image:loc><image:title>Walking stick, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20538/copper-produced-by-mixing-copper-bisulphide-with-two-equivalents-of-cuprous-oxide</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/860/large_smg00095817.jpg</image:loc><image:title>Copper produced by mixing copper bisulphide with two equivalents of cuprous oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20838/fluor-spar-used-in-the-first-and-second-fusions-at-hettstedt</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/732/large_smg00096743.jpg</image:loc><image:title>Fluor-spar used in the first and second fusions at Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664205/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670315/experimental-chemical-taigulic-acid</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21371/allora-coal</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/406/large_smg00088262.jpg</image:loc><image:title>&quot;Allora&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409811/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/761/large_cd0449_006_081111_1996_10_482_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404649/thermometer-case</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/34/large_smg00250554__0002_.jpg</image:loc><image:title>Thermometer Case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/33/large_smg00250554__0001_.jpg</image:loc><image:title>Thermometer Case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/663/large_smg00250554.jpg</image:loc><image:title>Thermometer Case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409423/ferranti-electrical-meter</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/525/large_cd0465_021_081211_1996_10_105_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti electrical meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20993/triturated-granulated-copper-produced-by-shaking-the-copper-in-water-when-heated</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20205/peat-cut-near-surface-in-natural-state</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/806/large_smg00095470.jpg</image:loc><image:title>Peat cut near surface, in natural state</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407601/linecasting-component</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/115/large_smg00247536.jpg</image:loc><image:title>Linecasting Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405909/computer-technology-ltd-blanking-plate</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409726/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/283/large_cd0478_010_081222_1996_10_394_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/149/large_smg00243522.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20590/metallic-copper-as-a-red-coloured-powder</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/911/large_smg00095902.jpg</image:loc><image:title>Metallic copper as a red-coloured powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20374/bailey-or-yorkley-delf-forest-of-dean</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/438/large_smg00087444.jpg</image:loc><image:title>&quot;Bailey or Yorkley Delf&quot;, Forest of Dean</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409057/textile-printing-block</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/768/large_cd0121_065_050713_y1995_2_67_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/326/large_smg00249183.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409421/ferranti-m55-radio</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/230/820/large_cd0233_018_060912_1996_10_103_ferranti_radio.jpg</image:loc><image:title>Ferranti M55 Radio</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/967/large_smg00247363.jpg</image:loc><image:title>Ferranti M55 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670392/experimental-chemical-parellic-acid</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21055/best-selected-copper-from-messrs-newton-and-co</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/711/large_smg00096717.jpg</image:loc><image:title>Best selected copper from Messrs. Newton and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404711/mould-for-joule-medal</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663812/samples-of-ignition-control-additives</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20501/ganister-used-for-furnace-bottoms-from-hazlehead</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/905/large_smg00091217.jpg</image:loc><image:title>Ganister used for furnace bottoms. From Hazlehead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21320/fine-brass-castings-showing-the-sere-where-broken</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409651/ferranti-display-sign</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/798/large_cd0499_003_090205_1996_10_319_ferranti_13e_sign.jpg</image:loc><image:title>Ferranti display sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15646/the-finetta-88-using-35mm-perforated-film-giving-36-exposures</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21107/copper-sheathing-from-hms-apollo</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/633/large_smg00001176.jpg</image:loc><image:title>Copper sheathing from HMS &quot;Apollo&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20600/arsenide-of-copper</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/916/large_smg00095907.jpg</image:loc><image:title>Arsenide of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664544/sample-chemicals-tungsten-pentachloride</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405898/nuts-bolts-and-washers</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/228/large_cd0631_029_100824_1984_170_29_nuts_bolts___washers_for_48k_minicomputer.jpg</image:loc><image:title>Nuts, bolts and washers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21251/assyrian-bronze</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20681/blue-metal-from-bankarts-copper-works</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/603/large_smg00095864.jpg</image:loc><image:title>&quot;Blue metal&quot; from Bankart&apos;s Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409840/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/380/large_cd0472_019_081216_1996_10_511_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408892/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20504/specimen-showing-the-action-of-oxide-of-iron-on-a-fire-brick-of-inferior-quality-from-sielce</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/910/large_smg00091222.jpg</image:loc><image:title>Specimen showing the action of oxide of iron on a fire-brick of inferior quality from Sielce</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21012/metallic-copper-reduced-by-coal-from-impure-oxide</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/980/large_smg00096761.jpg</image:loc><image:title>Metallic copper reduced by coal from impure oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21067/electrotype-and-common-copper-heated-in-hydrogen</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/717/large_smg00096724.jpg</image:loc><image:title>Electrotype and common copper heated in hydrogen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20919/refinery-slag-gaarschlacke</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/930/large_smg00096355.jpg</image:loc><image:title>Refinery-slag, &quot;Gaarschlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409455/ferranti-ammeter</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/210/large_smg00250708.jpg</image:loc><image:title>Ferranti Ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409134/deputys-stick-coal-mining</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/245/large_cd0675_035_120105_lcmc_t1887_1_deputy_s_stick.jpg</image:loc><image:title>Deputy&apos;s stick, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16274/ensign-carbine-folding-bellows-camera-c-1924</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/495/large_smg00450763.jpg</image:loc><image:title>Ensign Carbine folding bellows camera, c 1924</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16394/ful-vue</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/507/large_smg00450858.jpg</image:loc><image:title>Ful-Vue</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20692/result-of-another-experiment-relating-to-blue-metal</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/613/large_smg00095874.jpg</image:loc><image:title>Result of another experiment relating to blue metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409999/ferranti-model-miab35-electric-meter</loc><lastmod>2026-01-09T15:18:08.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/593/large_cd0469_002_081212_1996_10_675_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti model MIAB35 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671606/dye-sample-magenta</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670323/scoparin-a-sample-chemical</loc><lastmod>2026-01-09T15:18:08.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20425/hair-like-coke</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/396/large_smg00088119.jpg</image:loc><image:title>Hair-like coke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15758/no-5-yale-stereoscopic-pattern-camera</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/959/large_smg00220625.jpg</image:loc><image:title>No 5 Yale Stereoscopic Pattern Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20240/brown-coal-from-bromberg-bydgoszcz-poland</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/310/large_smg00085347.jpg</image:loc><image:title>Brown coal from Bromberg, Bydgoszcz, Poland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409714/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/271/large_cd0477_020_081219_1996_10_382_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/147/large_smg00243520.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21124/copper-sheathing-from-hms-helena</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667917/dye-sample-chrysarobin</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671167/experimental-chemical-anthraquinonaxime</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16261/all-distance-pocket-ensign-folding-camera-c-1924</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669895/experimental-chemical-dihydroxy-diacet-indigotin</loc><lastmod>2026-01-09T15:18:09.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408884/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409833/metal-products-type-23c-clarostat-radio-component</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/373/large_cd0472_012_081216_1996_10_504_ferranti_9e_radio_component.jpg</image:loc><image:title>Metal 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forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15695/folding-bellows-hand-camera-for-plates-or-sheet-film</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/23/large_smg00450633.jpg</image:loc><image:title>Folding bellows hand camera for plates or sheet film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20933/furnace-accretion-ofenbruch</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664562/sample-chemicals-tungsten-hexachloride</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409078/printing-block</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20217/resin-coal-from-bovey-tracey-devonshire</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/548/large_smg00095434.jpg</image:loc><image:title>Resin coal from Bovey Tracey, Devonshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21121/copper-sheathing-from-hms-eurydice</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/612/large_smg00001155.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Eurydice&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21219/muntz-metal-sheathing</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/671/large_smg00313872.jpg</image:loc><image:title>Muntz metal sheathing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667014/homeopathic-set</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16418/ensign-all-distance-box-camera-1927</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/56/large_smg00452419.jpg</image:loc><image:title>Ensign &apos;All Distance&apos; Box Camera, 1927</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20811/ore-furnace-regulus-rohstein-from-sangershausen</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/621/large_smg00096402.jpg</image:loc><image:title>Ore furnace regulus, &quot;Rohstein,&quot; from Sangershausen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20954/refined-silver-brandsilber</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/948/large_smg00096383.jpg</image:loc><image:title>Refined silver, &quot;Brandsilber&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670306/experimental-chemical-suberic-acid</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669897/experimental-chemical-phenylhydrazon-of-bromisatine</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670313/lupinin-a-sample-chemical</loc><lastmod>2026-01-09T15:18:09.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21438/result-of-heating-zinc-oxide-and-zinc-sulphide-in-a-blende-lined-crucible</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409375/ferranti-plug-in-component</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/774/large_cd0497_022_090203_1996_10_58_ferranti_16b_plug_in_component.jpg</image:loc><image:title>Ferranti plug-in component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co537202/full-and-empty-miniature-bobbins-on-wooden-stand</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/330/506/large_smg00179776.jpg</image:loc><image:title>Full and empty miniature bobbins on wooden stand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/64/544/large_1911_0346__0013_.jpg</image:loc><image:title>Full and empty miniature bobbins on wooden stand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/64/545/large_1911_0346__0014_.jpg</image:loc><image:title>Full and empty miniature bobbins on wooden stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20727/crystals-in-a-metal-slag-swansea-1883</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/646/large_smg00096272.jpg</image:loc><image:title>Crystals in a metal slag, Swansea, 1883</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21088/copper-sheathing-from-hms-laimia</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/586/large_smg00001126.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Laimia&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405200/telephone-handset</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/152/large_smg00247588.jpg</image:loc><image:title>Telephone Handset</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20550/result-of-heating-two-equivalents-of-cupric-oxide-with-one-of-metallic-lead</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/868/large_smg00095825.jpg</image:loc><image:title>Result of heating two equivalents of cupric oxide with one of metallic lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20798/dinas-brick-from-the-rod-of-a-refinery</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/606/large_smg00096339.jpg</image:loc><image:title>Dinas brick from the rod of a refinery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664556/sample-chemicals-tungsten-monoxybromide</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21165/alloy-of-80-copper-and-20-tin-a-bell-metal</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/966/large_smg00096518.jpg</image:loc><image:title>Alloy of 80 copper and 20 tin. A &quot;bell metal&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409107/119-ml-ma-ul-radi-gripe-mixture-with-packaging-and-a-plastic-spoon</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/244/large_cd0697_072_121024_1995_2_143_ma_ul_radi_gripe_mixture.jpg</image:loc><image:title>119 ml Ma Ul Radi Gripe Mixture with packaging and a plastic spoon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409686/ferranti-model-9-clock</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/42/large_smg00247475.jpg</image:loc><image:title>Ferranti Model 9 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671612/dye-sample-duranol-brilliant-blue</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409609/j-g-coates-type-v15001-pulse-monitor</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/741/large_cd0448_008_081107_1996_10_277_ferranti_4e_electric_meter.jpg</image:loc><image:title>J. G. Coates type V1500/1 pulse monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20955/dried-residual-copper-darrlinge</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/951/large_smg00096395.jpg</image:loc><image:title>Dried residual copper, &quot;Darrlinge&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670952/experimental-chemical-triacetylpurpurine</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671611/dye-sample-duranol-violet</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671164/experimental-chemical-brompurpurine</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409058/textile-printing-block</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/769/large_cd0121_066_050713_y1995_2_68_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/620/large_smg00248186.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670915/experimental-chemical-phyllotaonin-acetate</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408959/ceiling-light-fitting</loc><lastmod>2026-01-09T15:18:10.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/469/large_cd0125_020_050721_t_1995_1_280_hanging_lamp.jpg</image:loc><image:title>Ceiling Light Fitting</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/527/large_smg00249348.jpg</image:loc><image:title>Ceiling Light Fitting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669857/experimental-chemical-amidoalizarine</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408123/jar-of-niobium-oxychloride-from-the-trichloride-in-carbon-dioxide</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/238/125/large_cd0169_001_050927_mom_1991_347_103_niobiun_oxychloride.jpg</image:loc><image:title>Jar of niobium oxychloride (from the trichloride in carbon dioxide)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20674/four-specimens-of-rich-chilian-regulus</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/616/large_smg00095877.jpg</image:loc><image:title>Four specimens of rich Chilian regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20541/result-of-experiment-to-show-the-action-of-silica-in-melting-copper-bisulphides-in-an-earthen-crucible</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/857/large_smg00095814.jpg</image:loc><image:title>Result of experiment to show the action of silica in melting copper bisulphides in an earthen crucible</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796604/scientific-publication-do-wormholes-fix-the-constant-of-nature</loc><lastmod>2026-01-09T15:18:10.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/627/large_smg00340263__0002_.jpg</image:loc><image:title>Scientific Publication: &apos;Do wormholes fix the constant of nature’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/628/large_smg00340263__0003_.jpg</image:loc><image:title>Scientific Publication: &apos;Do wormholes fix the constant of nature’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/626/large_smg00340263__0001_.jpg</image:loc><image:title>Scientific Publication: &apos;Do wormholes fix the constant of nature’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408882/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20381/coal-from-the-leeswood-green-colliery-mold-flintshire</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/362/large_smg00087440.jpg</image:loc><image:title>Coal from the Leeswood Green Colliery, Mold, Flintshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666979/nitrobenzaldehyde-dye-sample</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21392/coal-from-grey-river</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/390/large_smg00088113.jpg</image:loc><image:title>Coal from Grey River</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409303/ferranti-electric-clock</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/350/large_smg00246746.jpg</image:loc><image:title>Ferranti Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409529/ferranti-display-items</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/962/large_cd0486_007_090108_1996_10_203_ferranti_11d__display_item.jpg</image:loc><image:title>Ferranti display items</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671169/experimental-chemical-methyl-anthraquinonaxime-oxine</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408951/bottle-of-ink</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/461/large_cd0125_012_050721_t_1995_1_269_dormy_endorsing_ink.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/545/large_smg00249366.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409657/elpico-resistor-kit</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/262/large_cd0477_011_081219_1996_10_325_ferranti_10d_resistor_kit.jpg</image:loc><image:title>Elpico resistor kit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409128/sign-cma-1911-rescue-regulations</loc><lastmod>2026-01-09T15:18:11.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/310/large_cd0629_070_100817_lcmc_t1835_c_m_a_1911_rescue_regulations_sign.jpg</image:loc><image:title>Sign, &apos;C.M.A. 1911 rescue regulations…&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21361/coal-from-chang-chia-hill-behind-po-tu-village-china</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/857/large_smg00088252.jpg</image:loc><image:title>Coal from Chang-chia Hill behind Po-tu village, China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670621/sample-of-dye-magenta</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21429/result-of-heating-three-equivalents-of-zinc-oxide-with-one-of-silica</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21220/muntz-metal-test-assay</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/667/large_smg00313868.jpg</image:loc><image:title>Muntz metal test assay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20876/metal-realgar-covering-ore-furnace-regulus-or-rohstein</loc><lastmod>2026-01-09T15:18:11.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16377/soho-folding-bellows-camera-for-rollfilm-120-2-14-x-3-14</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405189/telegraph-sounder</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408843/2-stencil</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/124/large_cd0436_014_081029_1995_1_38_stencil.jpg</image:loc><image:title>&apos;2&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409542/ferranti-circuit-board</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/259/large_cd0477_008_081219_1996_10_216_ferranti_10d_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21204/impure-brass-containing-antimony</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409015/textile-printing-block</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/756/large_cd0121_053_050713_y1995_2_24_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/919/large_smg00248559.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21386/new-zealand-coal-from-preservation-inlet</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/877/large_smg00091150.jpg</image:loc><image:title>New Zealand coal; from Preservation Inlet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670002/euzanthone-a-sample-chemical</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410028/computer-teletype</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/543/large_smg00358923.jpg</image:loc><image:title>Computer Teletype</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670991/experimental-chemical-flavopurpurine</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409841/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/381/large_cd0472_020_081216_1996_10_512_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407611/linecasting-composing-stick</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/518/large_smg00246986.jpg</image:loc><image:title>Linecasting Composing Stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20629/spanish-copper-ore-presented-by-bertrand-de-lis</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/578/large_smg00095796.jpg</image:loc><image:title>Spanish copper ore, presented by Bertrand de Lis</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20237/shaly-lignite-from-the-dranista-coalfield</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/308/large_smg00085345.jpg</image:loc><image:title>Shaly lignite from the Dranista Coalfield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20312/imperial-merthyr-coal</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/375/large_smg00087513.jpg</image:loc><image:title>&quot;Imperial Merthyr&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21041/two-bars-of-japanese-copper-presented-by-d-watson-1872</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/716/large_smg00096723.jpg</image:loc><image:title>Two bars of Japanese copper, presented by D. Watson, 1872</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405222/sterling-wall-telephone</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/129/large_smg00247560.jpg</image:loc><image:title>Sterling Wall Telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21236/speculum-metal-as-used-for-mr-lassels-four-foot-speculum</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16386/koroll-2-14-sq-rollfim-camera</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/506/large_smg00450854.jpg</image:loc><image:title>Koroll 2 1/4&quot; sq. rollfim camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667778/acid-magenta-dye-sample</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20981/coarse-copper-from-which-the-silver-is-to-be-extracted-arado</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/645/large_smg00096427.jpg</image:loc><image:title>Coarse copper from which the silver is to be extracted,  &quot;Arado&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409903/ferranti-model-w5148-electric-heater</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/487/large_smg00246945.jpg</image:loc><image:title>Ferranti Model W5148 Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20395/coal-from-fair-oak-colliery</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/334/large_smg00087411.jpg</image:loc><image:title>Coal from Fair Oak Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20375/whittington-forest-of-dean</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/439/large_smg00087445.jpg</image:loc><image:title>&quot;Whittington,&quot; Forest of Dean</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20477/sand-as-occurring-at-s-agnes-beacon</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/442/large_smg00091190.jpg</image:loc><image:title>Sand as occurring at S. Agnes Beacon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409761/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/305/large_cd0479_010_081222_1996_10_432_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409406/ferranti-minera-6200-electric-heater</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/485/large_smg00246943.jpg</image:loc><image:title>Ferranti Minera 6200 Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404659/electromagnet-core</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/654/large_smg00245782__0001_.jpg</image:loc><image:title>Electromagnet Core</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/655/large_smg00245782__0002_.jpg</image:loc><image:title>Electromagnet Core</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/656/large_smg00245782__0003_.jpg</image:loc><image:title>Electromagnet Core</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405204/telephone-handset</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/998/large_smg00246164.jpg</image:loc><image:title>Telephone Handset</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21195/brass-showing-columnar-fracture</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/669/large_smg00313870.jpg</image:loc><image:title>Brass showing columnar fracture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20858/roasted-concentrated-regulus</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/736/large_smg00096748.jpg</image:loc><image:title>Roasted concentrated regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20987/the-silver-extracted-by-cupellation-from-the-lead</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20466/carboniferous-fire-clay-from-buckley-mountain-flintshire</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/465/large_smg00091242.jpg</image:loc><image:title>Carboniferous fire-clay from Buckley Mountain, Flintshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20365/top-coal</loc><lastmod>2026-01-09T15:18:12.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/453/large_smg00087461.jpg</image:loc><image:title>&quot;Top coal&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407641/linotype-control-tape</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/113/large_smg00247534.jpg</image:loc><image:title>Linotype Control Tape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667798/resorcine-dye-sample</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21180/alloy-of-937-copper-45-aluminium-and-18-silicon</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/11/large_smg00097622.jpg</image:loc><image:title>Alloy of 93.7 copper, 4.5 aluminium, and 1.8 silicon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670954/experimental-chemical-purpurinamide</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410016/ferranti-type-r-electric-coil</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/9/large_cd0488_010_090109_1996_10_692_ferranti_11b_electric_coil.jpg</image:loc><image:title>Ferranti type R electric coil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21402/haltings-coal-from-cambedoo-mountains-south-africa</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/885/large_smg00091158.jpg</image:loc><image:title>&quot;Haltings&quot; coal, from Cambedoo Mountains, South Africa</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16462/diana-camera</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/364/large_smg00450910.jpg</image:loc><image:title>Diana camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16059/goerx-tenax-folding-plate-camera</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/482/large_smg00450692.jpg</image:loc><image:title>Goerx Tenax folding plate camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668247/dye-sample-dibromo-isatin</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666219/new-victoria-green-extra-dye-sample</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409801/ferranti-type-fh7j-artificial-horizon</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/913/large_cd0444_012_081106_1996_10_472_ferranti_1d_artificial_horizon.jpg</image:loc><image:title>Ferranti type FH7J artificial horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668847/dye-sample-acetyl-nitro-isatin</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20467/teignmouth-clay-devonshire-an-ingredient-in-juleffs-crucibles</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/449/large_smg00091250.jpg</image:loc><image:title>Teignmouth clay, Devonshire. An ingredient in Juleff&apos;s crucibles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20994/copper-broken-when-red-hot</loc><lastmod>2026-01-09T15:18:12.299Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/650/large_smg00096439.jpg</image:loc><image:title>Copper broken when red hot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20934/selected-residual-copper-abgepickte-darrlinge</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/946/large_smg00096379.jpg</image:loc><image:title>Selected residual copper, &quot;Abgepickte Darrlinge&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409340/thermionic-valves-and-dry-electrolytic-cells</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/66/large_smg00250639.jpg</image:loc><image:title>Thermionic Valves and Dry Electrolytic Cells</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20682/blue-metal-from-keates-furnaces</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/609/large_smg00095870.jpg</image:loc><image:title>&quot;Blue metal&quot; from Keates&apos; furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20482/fire-clay-from-way-wood-with-testing-results</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/922/large_smg00091236.jpg</image:loc><image:title>Fire-clay from Way Wood, with testing results</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404665/electromagnet-used-by-james-joule</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409517/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:12.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/213/large_smg00250711.jpg</image:loc><image:title>Ferranti Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404648/calorimeter-used-by-james-joule-to-accommodate-gas-cylinders</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/192/large_smg00243933.jpg</image:loc><image:title>Calorimeter used by James Joule to accommodate gas cylinders</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408953/bottle-of-ink</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/463/large_cd0125_014_050721_t_1995_1_272_red_swan_ink.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/541/large_smg00249362.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20364/tyrcenol-coal</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/450/large_smg00087456.jpg</image:loc><image:title>Tyrcenol coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667163/benzoic-acid-dye-sample</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667764/benzo-fast-orange-f-dye-sample</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co537200/hole-punch-for-making-jacquard-cards</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/329/69/large_smg00181118.jpg</image:loc><image:title>Hole punch, for making Jacquard cards</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/428/large_1911_0346_0003__0002_.jpg</image:loc><image:title>Hole punch, for making Jacquard cards</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/430/large_1911_0346_0003__0004_.jpg</image:loc><image:title>Hole punch, for making Jacquard cards</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/429/large_1911_0346_0003__0003_.jpg</image:loc><image:title>Hole punch, for making Jacquard cards</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/721/427/large_1911_0346_0003__0001_.jpg</image:loc><image:title>Hole punch, for making Jacquard cards</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409063/textile-printing-block</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/245/328/large_cd0120_048_050713_y1995_2_73_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/890/large_smg00248530.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20841/twice-roasted-regulus-spurstein-hettstedt</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/731/large_smg00096742.jpg</image:loc><image:title>Twice roasted regulus, &quot;Spurstein,&quot;, Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405882/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/209/large_cd0631_010_100824_1984_170_22_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670935/experimental-chemical-nitroanthraflavic-acid</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21158/alloy-of-20-copper-and-80-antimony</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/3/large_smg00097612.jpg</image:loc><image:title>Alloy of 20 copper and 80 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20637/rough-plate</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/574/large_smg00095792.jpg</image:loc><image:title>Rough plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669923/alizarin-a-sample-chemical-from-edward-schuncks-work-on-natural-dyes-and-plant-products</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16184/no1-pocket-kodak-autographic-folding-bellows-camera</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/478/large_smg00452042.jpg</image:loc><image:title>No.1 Pocket Kodak Autographic Folding Bellows Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20281/the-second-part-of-10-yard-coal-from-whyley-colliery</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/302/large_smg00085338.jpg</image:loc><image:title>The second part of 10-yard coal from Whyley Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670303/galloflavine-a-sample-chemical</loc><lastmod>2026-01-09T15:18:12.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796169/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/7/large_smg00722025__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/349/large_smg00722025__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8402748/radar-component</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796027/scientific-publication-fluctuations-in-the-inflatory-universe</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21246/canadian-one-cent-piece</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21102/copper-sheathing-from-hms-san-josef</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/627/large_smg00001170.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;San Josef&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20577/result-of-heating-three-equivalents-of-copper-with-one-of-tersulphide-of-antimony</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/897/large_smg00095885.jpg</image:loc><image:title>Result of heating three equivalents of copper with one of tersulphide of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669984/experimental-chemical-indin</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21416/glass-coloured-red-by-copper-oxide</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408888/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20704/copper-from-under-the-pigs-of-regule-in-the-first-running-down-in-making-best-selected-copper</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/622/large_smg00095918.jpg</image:loc><image:title>Copper from under the pigs of regule in the first running down in making best selected copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21432/zinc-and-arsenic-specimen</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20391/hesley-silkstone-coal</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/353/large_smg00087430.jpg</image:loc><image:title>&quot;Hesley Silkstone&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407638/linecasting-matrices</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/522/large_smg00246990.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16383/digna-dacora-camera</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/504/large_smg00450851.jpg</image:loc><image:title>Digna Dacora Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21162/alloy-of-95-copper-and-5-tin</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/0/large_smg00097609.jpg</image:loc><image:title>Alloy of 95 copper and 5 tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403907/handpump-used-in-coal-mine-air-sampling</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/261/large_cd0664_014_111004_lcmc_t740_metal__t__object.jpg</image:loc><image:title>Handpump used in coal mine air sampling</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16227/kodak-no-1a-autographic-special-camera</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/492/large_smg00450757.jpg</image:loc><image:title>Kodak No 1A Autographic &apos;Special&apos; Camera.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20305/nine-foot-coal</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/376/large_smg00087514.jpg</image:loc><image:title>&quot;Nine-foot&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16279/ensign-carbine-folding-bellows-camera-c-1924</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/30/large_smg00450770.jpg</image:loc><image:title>Ensign Carbine Folding Bellows Camera, c 1924</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21205/crystallised-brass</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/676/large_smg00313877.jpg</image:loc><image:title>Crystallised brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409039/textile-printing-block</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/762/large_cd0121_059_050713_y1995_2_49_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/960/large_smg00248600.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668843/dye-sample-perchlororubian</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15733/ensign-box-camera-for-rollfilm-c-1920</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/722/large_smg00450658.jpg</image:loc><image:title>Ensign box camera for rollfilm, c 1920</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405879/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/206/large_cd0631_007_100824_1984_170_19_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20863/ore-furnace-regulus</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20684/result-of-experiment-on-blue-metal-cooled-slowly</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/617/large_smg00095878.jpg</image:loc><image:title>Result of experiment on &quot;blue metal&quot; cooled slowly</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666870/powdered-peachwood-dye-sample</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8537670/tripod-for-zeiss-ikon-zeitlupe-high-speed-camera</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21060/copper-sheet</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/788/large_smg00099144.jpg</image:loc><image:title>Copper sheet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671629/dye-sample-manchester-brown</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663813/samples-of-ignition-control-additives</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409608/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/571/large_cd0468_001_081212_1996_10_276_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20633/copper-from-corsica-from-the-french-department-of-the-exhibition-of-1862</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/570/large_smg00095787.jpg</image:loc><image:title>Copper from Corsica, from the French Department of the Exhibition of 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20889/ore-furnace-regulus-rohstein</loc><lastmod>2026-01-09T15:18:13.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/439/721/large_smg00099189.jpg</image:loc><image:title>Ore-furnace regulus, &quot;Rohstein&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409560/ferranti-model-7-clock</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/352/large_smg00246748.jpg</image:loc><image:title>Ferranti Model 7 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409367/ferranti-voltmeter</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/724/large_cd0447_011_081107_1996_10_50_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405195/type-gf-telephone-relays</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/448/large_smg00246896.jpg</image:loc><image:title>Type GF Telephone Relays</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409141/jacksons-all-four-mixture-lar</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/226/large_cd0698_025_121024_1995_2_238_jackson_s_all_fours_mixture.jpg</image:loc><image:title>Jacksons All Four Mixture. Lar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16524/folding-plate-camera</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/430/large_smg00452088.jpg</image:loc><image:title>Folding Plate Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20651/copper-pyrites-called-magistral-from-mexico</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/851/large_smg00095800.jpg</image:loc><image:title>Copper pyrites called &quot;Magistral&quot; from Mexico</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409060/textile-printing-block</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/316/large_cd0127_010_050721_t_1995_2_70_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/225/large_smg00249045.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16183/no1-autographic-kodak-junior-eastman-kodak</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/974/large_smg00452102.jpg</image:loc><image:title>No.1 Autographic Kodak Junior Eastman Kodak.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410059/electric-meter</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/305/large_cd0451_005_081111_1996_10_735_ferranti_4e_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20803/bed-of-copper-refinery-furnace</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/617/large_smg00096396.jpg</image:loc><image:title>Bed of copper refinery furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15693/leica-model-iiia-camera-c-1935</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409105/100-ml-camel-powerful-antiseptic-disinfectant</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/242/large_cd0697_070_121024_1995_2_140_camel_antiseptic_disinfectant.jpg</image:loc><image:title>100 ml Camel Powerful Antiseptic Disinfectant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408964/mechanical-analogue-calculator</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/362/large_cd0126_003_050721_t_1995_1_290_comptometer.jpg</image:loc><image:title>Mechanical Analogue Calculator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20292/cannel-coal-kirkless-hall-and-hendley-colliery-wigan-lancashire</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/288/large_smg00085323.jpg</image:loc><image:title>Cannel coal, Kirkless Hall and Hendley Colliery, Wigan, Lancashire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403497/piece-of-rail-coal-mining-collection</loc><lastmod>2026-01-09T15:18:14.297Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/348/large_cd0627_016_100723_lcmc_t1949_piece_of_rail.jpg</image:loc><image:title>Piece of rail, coal mining collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410020/ferranti-model-v1800-electric-meter</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/904/large_cd0444_003_081106_1996_10_696_ferranti_3a_ammeter.jpg</image:loc><image:title>Ferranti model V1800 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21007/ingot-of-copper-melted-from-the-borings-of-bearing-metal</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/503/large_smg00096820.jpg</image:loc><image:title>Ingot of copper melted from the borings of &quot;Bearing metal&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409991/electrical-component</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/69/large_cd0481_004_081223_1996_10_667_ferranti_10b_electrical_component.jpg</image:loc><image:title>Electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409676/ferranti-dc-voltmeter</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/157/large_cd0455_022_081125_1996_10_344_ferranti_6e_voltmeter.jpg</image:loc><image:title>Ferranti DC voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16523/princess-may-camera</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408930/textile-calculator</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/608/large_cd0124_013_050721_t_1995_1_237_fowler_calculator.jpg</image:loc><image:title>Textile Calculator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408986/robert-sorensen-and-co-ltd-sign</loc><lastmod>2026-01-09T15:18:14.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/309/large_cd0127_002_050721_t_1995_1_313_r_sorenson_sign.jpg</image:loc><image:title>Robert Sorensen &amp; Co. Ltd sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20982/copper-mixed-with-lead-for-liquation-awasido</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15625/presto-pocket-miniature-camera</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/902/large_smg00353668.jpg</image:loc><image:title>Presto Pocket Miniature Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21257/indian-anklet-of-bronze-cast-in-one-piece</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20670/furnace-metal-with-some-regulus-on-surface</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/591/large_smg00095851.jpg</image:loc><image:title>Furnace metal with some regulus on surface</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16404/box-tengor-542-box-camera-for-rollfilm-c-1927</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/506/large_smg00452356.jpg</image:loc><image:title>Box-Tengor 54/2 Box Camera for Rollfilm, c 1927</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21324/coal-brought-to-england-by-hms-discovery</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/329/large_smg00087251.jpg</image:loc><image:title>Coal brought to England by HMS Discovery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20686/result-of-experiment-on-imitiation-blue-metal</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/596/large_smg00095857.jpg</image:loc><image:title>Result of experiment on imitiation blue metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405146/incandescent-electric-lamp-with-candlestick-cap</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/249/431/large_cd0077_006_050127_eg_1974_34_14_early_swan_bulb.jpg</image:loc><image:title>Incandescent electric lamp with &apos;candlestick&apos; cap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21365/coal-from-hsiwang-kan-village-china</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/850/large_smg00088245.jpg</image:loc><image:title>Coal from Hsiwang-kan village, China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408945/box-of-coloured-pencils</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/455/large_cd0125_006_050721_t_1995_1_263_american_lead_pencil_co.jpg</image:loc><image:title>Box of Coloured Pencils</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16388/voigtlander-brilliant-twin-lens-box-camera-1932</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/505/large_smg00450852.jpg</image:loc><image:title>Voigtlander Brilliant Twin Lens Box Camera, 1932.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796021/scientific-publication-naked-and-thunderbolt-singularities-in-black-hole-evaporation</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/734/large_e2021_0126_0023__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Naked and thunderbolt singularities in black hole evaporation’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/736/large_e2021_0126_0023__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Naked and thunderbolt singularities in black hole evaporation’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/635/large_smg00340313__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Naked and thunderbolt singularities in black hole evaporation’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/637/large_smg00340313__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Naked and thunderbolt singularities in black hole evaporation’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/636/large_smg00340313__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Naked and thunderbolt singularities in black hole evaporation’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20963/refinery-waste-slag-gaarkratzschlacke</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/134/large_smg00022653.jpg</image:loc><image:title>Refinery waste slag, &quot;Gaarkratzschlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409796/ferranti-ltd-10kv-electrical-cable</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404704/james-joules-standard-resistance-cell</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/86/large_smg00250672__0003_.jpg</image:loc><image:title>James Joule&apos;s Standard Resistance Cell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/85/large_smg00250672__0002_.jpg</image:loc><image:title>James Joule&apos;s Standard Resistance Cell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/84/large_smg00250672__0001_.jpg</image:loc><image:title>James Joule&apos;s Standard Resistance Cell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409021/textile-printing-block</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/815/large_cd0121_100_050713_y1995_2_30_printing_block.jpg</image:loc><image:title>Textile printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/229/large_smg00249049.jpg</image:loc><image:title>Textile printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21092/copper-sheathing-from-hms-chatham-marked-14</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/578/large_smg00001117.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Chatham,&quot; marked &quot;1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409799/ferranti-type-fad-1-artificial-horizon</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/915/large_cd0444_014_081106_1996_10_470_ferranti_1e_artificial_horizon.jpg</image:loc><image:title>Ferranti type FAD 1 artificial horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668955/dye-sample-diamine-red</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21437/result-of-heating-a-mixture-of-zinc-oxide-and-zinc-sulphide-in-a-blende-lined-crucible</loc><lastmod>2026-01-09T15:18:14.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16151/vest-pocket-kodak-camera-and-case</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/779/large_smg00450751.jpg</image:loc><image:title>Vest Pocket Kodak Camera and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405872/computer-part</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/199/large_cd0630_072_100824_1984_170_12_load_for_48k_minicomputer.jpg</image:loc><image:title>Computer part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20666/calcined-coarse-metal-from-the-spitty-works-at-loughor</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/891/large_smg00095853.jpg</image:loc><image:title>Calcined coarse metal from the Spitty Works at Loughor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669931/flavopurpurin-common-a-sample-chemical</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409817/ferranti-welded-turbine-blades</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/309/large_smg00249148.jpg</image:loc><image:title>Ferranti Welded Turbine Blades</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666871/synthetic-indigo-dye-sample</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410054/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/300/large_cd0450_022_081111_1996_10_730_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404685/thermometer-belonging-to-james-joule-c1865-bulbous-end-containing-mercury</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/377/large_smg00245382.jpg</image:loc><image:title>Thermometer belonging to James Joule c.1865. Bulbous end containing mercury</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20514/casting-sand-from-japan</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/829/large_smg00095721.jpg</image:loc><image:title>Casting sand from Japan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409843/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/383/large_cd0472_022_081216_1996_10_514_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21203/impure-brass-containing-lead</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666957/brenthol-fr-dispersible-dye-sample</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co19614/glass-bottle-with-stopper-containing-titanium-copper-aluminium-metallic-speciums</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/68/large_smg00087115.jpg</image:loc><image:title>Glass bottle with stopper, containing Titanium copper aluminium metallic speciums</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409595/ferranti-thermionic-valves</loc><lastmod>2026-01-09T15:18:15.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/68/large_smg00250641__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/69/large_smg00250641__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/67/large_smg00250641__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407079/metal-rods</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/125/large_smg00248897.jpg</image:loc><image:title>Metal Rods</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20412/coal-from-the-inter-colonial-companys-colliery</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/330/large_smg00087261.jpg</image:loc><image:title>Coal from the Inter-colonial Company&apos;s Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409781/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/46/large_cd0480_003_081222_1996_10_452_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21281/iron-nails-coated-with-brass</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20271/petroleum-oil-cannel-coal-from-new-south-wales</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/808/large_smg00085317.jpg</image:loc><image:title>Petroleum oil cannel coal from New South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670367/crocetin-carotenoid-acid-a-sample-chemical</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15735/ensign-rollfilm-no-3-c-1926</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/488/large_smg00452052.jpg</image:loc><image:title>Ensign Rollfilm No. 3, c 1926</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408903/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16061/ensign-rollfilm-camera-3a-c-1923</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/221/large_smg00450691.jpg</image:loc><image:title>Ensign rollfilm camera 3A, c 1923</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21135/copper-sheathing-from-hms-boadicea</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/555/large_smg00001094.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Boadicea&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20415/coal-from-the-albion-mines</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/344/large_smg00087421.jpg</image:loc><image:title>Coal from the Albion Mines</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21354/coal-from-takasima</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/405/large_smg00088261.jpg</image:loc><image:title>Coal from Takasima</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408993/textile-printing-block</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/827/large_cd0121_107_050713_y1995_2_2_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/958/large_smg00248598.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409768/ferranti-electronic-connector</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/312/large_cd0479_017_081222_1996_10_439_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409383/ferranti-electric-junction-box</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/781/large_cd0498_007_090205_1996_10_65_ferranti_16b_electrical_junction_box.jpg</image:loc><image:title>Ferranti electric junction box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21125/copper-sheathing-from-hms-frolic</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/636/large_smg00001179.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Frolic&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20953/blicksilber-or-bright-silver-button</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/947/large_smg00096382.jpg</image:loc><image:title>&quot;Blicksilber&quot; or bright silver button</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409418/ferranti-telephone</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/43/large_smg00247174__0001_.jpg</image:loc><image:title>Ferranti Telephone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/44/large_smg00247174__0002_.jpg</image:loc><image:title>Ferranti Telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663772/samples-of-ignition-control-additives-for-petrol-engines-by-associated-octel</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20361/coals-no3-and-4-from-glamorgan-colliery-pontypridd-glamorganshire</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/447/large_smg00087453.jpg</image:loc><image:title>Coals no.3 and 4 from Glamorgan Colliery, Pontypridd, Glamorganshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665184/logwood-oxidised-dye-sample</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405188/telephone-receiver</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/151/large_smg00247586.jpg</image:loc><image:title>Telephone Receiver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20520/cuprous-oxide-produced-by-heating-cupric-oxide-with-copper</loc><lastmod>2026-01-09T15:18:15.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/834/large_smg00095728.jpg</image:loc><image:title>Cuprous oxide, produced by heating cupric oxide with copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15605/the-watson-steroscopic-binocular-camera</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/899/large_smg00353664.jpg</image:loc><image:title>The Watson Steroscopic Binocular Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20458/coal-powder-moistened-with-water-for-dawsons-process</loc><lastmod>2026-01-09T15:18:15.780Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/439/large_smg00091187.jpg</image:loc><image:title>Coal powder moistened with water for Dawson&apos;s process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409358/ferranti-summator</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/229/large_smg00250731.jpg</image:loc><image:title>Ferranti Summator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20688/result-of-another-experiment-on-imitation-blue-metal</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/607/large_smg00095868.jpg</image:loc><image:title>Result of another experiment on imitation blue metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409399/ferranti-s3-shell-fuze</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/25/large_cd0440_014_081105_1996_10_81_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Ferranti S3 shell fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409452/ferranti-level-indicator-er30g</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/786/large_cd0498_012_090205_1996_10_132_ferranti_16b_level_indicator.jpg</image:loc><image:title>Ferranti level indicator ER30G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663804/samples-of-ignition-control-additives</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671210/experimental-chemical-rutine</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20537/artificial-bisulphide-of-copper</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/862/large_smg00095819.jpg</image:loc><image:title>Artificial bisulphide of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409872/type-70q17-transformer</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21227/phosphor-bronze-pins-from-the-international-exhibition-1873</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21261/bronze-casting-the-sow-or-feeding-runner</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408957/bottle-of-ink</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/467/large_cd0125_018_050721_t_1995_1_276_swan_ink.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/516/large_smg00249336.jpg</image:loc><image:title>Bottle of Ink</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20683/result-of-experiment-on-blue-metal-cooled-rapidly</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/618/large_smg00095879.jpg</image:loc><image:title>Result of experiment on &quot;blue metal&quot; cooled rapidly</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15725/folding-bellows-plate-camera</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/719/large_smg00450654.jpg</image:loc><image:title>Folding Bellows Plate camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404452/treatment-of-electric-shock-sign</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/9/large_cd0659_041_110809_lcmc_t323_sign.jpg</image:loc><image:title>Treatment of electric shock sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665114/dye-sample</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21152/alloy-of-equal-parts-of-copper-and-antimony</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/960/large_smg00096512.jpg</image:loc><image:title>Alloy of equal parts of copper and antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666990/homeopathic-set</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20353/ynysgreinion-anthracite-smokeless-steam-coal-vale-ystalyfera-glamorganshire</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404678/laboratory-spatula-used-by-j-joule-1860</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/234/large_smg00244251__0002_.jpg</image:loc><image:title>Laboratory spatula used by J. Joule, 1860</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/235/large_smg00244251__0003_.jpg</image:loc><image:title>Laboratory spatula used by J. Joule, 1860</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/233/large_smg00244251__0001_.jpg</image:loc><image:title>Laboratory spatula used by J. Joule, 1860</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15726/ernemann-ermanox-f2-rigid-miniature-camera</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/405/large_1979_559_174_02.jpg</image:loc><image:title>Ernemann Ermanox F.2 Rigid Miniature Camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/407/large_1979_559_174_04.jpg</image:loc><image:title>Ernemann Ermanox F.2 Rigid Miniature Camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/168/406/large_1979_559_174_03.jpg</image:loc><image:title>Ernemann Ermanox F.2 Rigid Miniature Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21202/impure-brass-containing-arsenic</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409713/elastic-bands-and-safety-pins-from-neurosurgical-bag</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/317/large_smg00265246.jpg</image:loc><image:title>Elastic bands and safety pins from neurosurgical bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148568/vaccination-points</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21304/arm-of-a-brass-gas-pendant-which-broke-and-fell-in-houses-of-parliament-1869</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/676/large_smg00096502.jpg</image:loc><image:title>Arm of a brass gas pendant, which broke and fell in Houses of Parliament, 1869</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666367/two-silver-plated-fish-knifes-london-and-north-eastern-railway</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co19613/bottle-containing-manganese</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669886/experimental-chemical-ethylalizarine</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408110/experimental-apparatus-consisting-of-a-test-tube-containing-mercury</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/523/large_smg00249343.jpg</image:loc><image:title>Experimental apparatus consisting of a test tube containing mercury</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409816/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/765/large_cd0449_010_081111_1996_10_487_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409378/ferranti-plug-in-component-rd14092</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/777/large_cd0498_003_090205_1996_10_61_ferranti_16b_plug_in_component.jpg</image:loc><image:title>Ferranti plug-in component RD14092</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21288/brass-tube-after-six-years-use-in-the-ruby-engine</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/139/large_smg00239894.jpg</image:loc><image:title>Brass tube, after six years use in the &quot;Ruby&quot; engine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16503/foth-derby-collapsible-bellows-camera</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/457/large_smg00452402.jpg</image:loc><image:title>FOTH DERBY Collapsible Bellows Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409839/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/379/large_cd0472_018_081216_1996_10_510_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16632/wet-plate-camera</loc><lastmod>2026-01-09T15:18:16.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/379/large_smg00450935.jpg</image:loc><image:title>Wet Plate Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21436/result-of-heating-zinc-oxide-in-a-blende-lined-crucible</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409579/ferranti-embossing-stamp</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/743/large_cd0496_001_090127_1996_10_252_ferranti_12b_stamp.jpg</image:loc><image:title>Ferranti embossing stamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20301/crank-coal</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/838/large_smg00087506.jpg</image:loc><image:title>Crank coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409426/ferranti-voltmeter-a427f</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/70/large_smg00250530.jpg</image:loc><image:title>Ferranti Voltmeter A427F</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16147/goerz-folding-bellows-camera-for-rollfim-no120</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16423/ensign-e20-box-camera-1930</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/465/large_smg00452412.jpg</image:loc><image:title>Ensign E20 Box Camera, 1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669894/experimental-chemical-acetylderivative-of-indophenazine</loc><lastmod>2026-01-09T15:18:16.880Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409603/framed-black-and-white-photograph</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409755/ferranti-hb876-mine-fragments</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/269/large_smg00249096.jpg</image:loc><image:title>Ferranti HB876 Mine Fragments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20450/coke-produced-by-mixing-equal-weights-of-pitch-and-slack</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/896/large_smg00091179.jpg</image:loc><image:title>Coke produced by mixing equal weights of pitch and slack</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409875/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/51/large_cd0480_008_081222_1996_10_546_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/134/large_smg00243507.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409144/metro-the-new-dressing-for-modern-hair-styles-labelled-glass-jar-with-metal-lid</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/229/large_cd0698_028_121024_1995_2_245_metro_hair_product.jpg</image:loc><image:title>Metro, The  New Dressing for Modern Hair Styles. Labelled glass jar with metal lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20718/ore-furnace-regulus-and-slag-mines-royal-copper-works</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/637/large_smg00096263.jpg</image:loc><image:title>Ore-furnace regulus and slag, Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21020/electrotype-foil-made-by-elkington-and-co</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/487/large_smg00096759.jpg</image:loc><image:title>Electrotype foil, made by Elkington and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21433/zinc-and-arsenic</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20529/result-of-the-experiment-of-heating-cuprous-oxide-with-iron-bisulphide-and-silica</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/558/large_smg00095719.jpg</image:loc><image:title>Result of the experiment of heating cuprous oxide with iron bisulphide and silica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20703/fine-metal-named-close-regule-in-making-best-selected-copper</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/623/large_smg00095919.jpg</image:loc><image:title>&quot;Fine metal,&quot; named &quot;close regule,&quot; in making best selected copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670374/experimental-chemical-anilide-of-carminic-acid</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15708/folding-bellows-plate-camera</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/43/large_smg00452307.jpg</image:loc><image:title>Folding Bellows Plate Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669838/experimental-chemical-nitroalizarin</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20804/piece-from-bottom-of-a-refinery-furnace-under-repair</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/619/large_smg00096398.jpg</image:loc><image:title>Piece from bottom of a refinery furnace under repair</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408985/sorensen-and-co-company-sign</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/308/large_cd0127_001_050721_t_1995_1_312_r_sorenson___co_sign.jpg</image:loc><image:title>Sorensen and Co. Company Sign</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/187/large_smg00216564.jpg</image:loc><image:title>Sorensen and Co. Company Sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16179/kodak-junior-620-self-erecting-bellows-folding-camera-for-rollfilm-620</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/229/large_smg00452040.jpg</image:loc><image:title>Kodak Junior 620 Self-Erecting Bellows Folding Camera for Rollfilm 620</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21184/alloy-of-83-copper-12-tin-and-5-lead-called-roman-pot-metal</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/682/large_smg00313883.jpg</image:loc><image:title>Alloy of 83 copper, 12 tin, and 5 lead, called &quot;Roman pot metal&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409467/electric-meter</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/729/large_cd0447_016_081107_1996_10_147_ferranti_3e_electric_meter.jpg</image:loc><image:title>electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16173/folding-bellows-camera-for-rollfilm</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670390/experimental-chemical-roccellic-acid</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409795/cable-sample</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21268/six-fragments-of-bell-metal-from-russia</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666881/duranol-violet-2r-dye-sample</loc><lastmod>2026-01-09T15:18:17.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670377/sodium-naphthionate-a-sample-chemical</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408811/textile-printing-block</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/501/large_smg00245559.jpg</image:loc><image:title>Textile printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20940/matt-stein</loc><lastmod>2026-01-09T15:18:17.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/949/large_smg00096389.jpg</image:loc><image:title>Matt, &quot;Stein&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20201/fuels-of-modern-origin-sample-of-decayed-oak-wood</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/803/large_smg00095467.jpg</image:loc><image:title>Fuels of Modern Origin. Sample of decayed oak wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409611/ferranti-ltd-electric-meter-e88700</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/743/large_cd0448_010_081107_1996_10_279_ferranti_4e_electric_meter.jpg</image:loc><image:title>Ferranti Ltd electric meter E88700</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409882/mazda-thermionic-valve</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/53/large_cd0480_010_081222_1996_10_553_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/133/large_smg00243506.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409689/switching-unit</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/933/large_cd0445_010_081106_1996_10_357_ferranti_1c_switching_unit.jpg</image:loc><image:title>Switching unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20989/overpoled-copper-from-the-spitty-copper-works</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/68/large_1889_0164_0874__0002_.jpg</image:loc><image:title>Overpoled copper from the Spitty Copper Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/67/large_1889_0164_0874__0001_.jpg</image:loc><image:title>Overpoled copper from the Spitty Copper Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/665/large_smg00096455.jpg</image:loc><image:title>Overpoled copper from the Spitty Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408859/l-stencil</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/130/large_cd0436_020_081103_1995_1_54_stencil.jpg</image:loc><image:title>&apos;L&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16237/folding-bellows-rollfilm-camera</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/931/large_smg00451991.jpg</image:loc><image:title>Folding Bellows Rollfilm Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21331/coal-from-brazil-analysed-by-wj-ward</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/323/large_smg00087244.jpg</image:loc><image:title>Coal from Brazil, analysed by W.J. Ward</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20212/ereiniog-prepared-peat</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/810/large_smg00095474.jpg</image:loc><image:title>Ereiniog prepared peat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669891/experimental-chemical-acetyl-derivative-of-isatophenyl-hydrazone</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404647/two-large-gas-cylinders-used-by-james-joule</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/190/large_smg00243932.jpg</image:loc><image:title>Two large gas cylinders used by James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410035/metallic-grille</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/817/large_cd0499_022_090206_1996_10_711_ferranti_15e_grille.jpg</image:loc><image:title>Metallic grille</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408958/ink-stamp-holder-and-stamps</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/468/large_cd0125_019_050721_t_1995_1_278_stamp_rack___stamps.jpg</image:loc><image:title>Ink Stamp Holder and Stamps</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/553/large_smg00249373.jpg</image:loc><image:title>Ink Stamp Holder and Stamps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20725/crystallised-surface-of-metal-slag-swansea-1869</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/645/large_smg00096271.jpg</image:loc><image:title>Crystallised surface of metal slag, Swansea, 1869</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20638/copper-ore-from-mansfeld-saxony</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/575/large_smg00095793.jpg</image:loc><image:title>Copper ore from Mansfeld, Saxony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16126/no1a-ansco-camera</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/32/large_smg00450776.jpg</image:loc><image:title>No.1A ANSCO camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16427/kodak-no2-brownie-box-camera</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/463/large_smg00452409.jpg</image:loc><image:title>Kodak No.2 Brownie Box Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20659/ore-furnace-regulus</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/590/large_smg00095847.jpg</image:loc><image:title>&quot;Ore furnace regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16634/folding-plate-camera</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/869/large_smg00214790.jpg</image:loc><image:title>Folding Plate Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409362/ferranti-audiofrequency-transformer</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/953/large_cd0485_020_090106_1996_10_45_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti audiofrequency transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409737/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/984/large_cd0487_007_090109_1996_10_504_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/384/large_smg00243822.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20396/fernhill-coal</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/339/large_smg00087416.jpg</image:loc><image:title>&quot;Fernhill&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409014/textile-printing-block</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/834/large_cd0121_111_050713_y1995_2_23_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/237/large_smg00249057.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670372/emodine-a-sample-chemical</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21349/coal-from-the-raniganj-coalfield-bengal-colliery-raniganj-coal-association</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/848/large_smg00088243.jpg</image:loc><image:title>Coal from the Raniganj Coalfield, Bengal Colliery, Raniganj Coal Association</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409804/kariba-dam-commemorative-plate</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/749/large_cd0496_007_090127_1996_10_475_ferranti_12a_commemorative_plate.jpg</image:loc><image:title>Kariba Dam commemorative plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404706/ink-roller-used-by-james-joule</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/90/large_smg00250675__0001_.jpg</image:loc><image:title>Ink Roller Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/91/large_smg00250675__0002_.jpg</image:loc><image:title>Ink Roller Used By James Joule</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/92/large_smg00250675__0003_.jpg</image:loc><image:title>Ink Roller Used By James Joule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20847/thin-rich-regulus-dunnstein-hettstedt</loc><lastmod>2026-01-09T15:18:18.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/724/large_smg00096733.jpg</image:loc><image:title>Thin rich regulus, &quot;Dunnstein,&quot; Hettstedt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20614/liquor-from-which-copper-is-precipitated-by-scrap-iron</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/924/large_smg00096285.jpg</image:loc><image:title>Liquor from which copper is precipitated by scrap-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404445/winding-splaying-tool</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/535/large_cd0646_047_110315_lcmc_t1698_winding_splaying_tool.jpg</image:loc><image:title>Winding splaying tool</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20731/crystallised-sharp-slag-from-second-fusion</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/654/large_smg00096282.jpg</image:loc><image:title>Crystallised sharp slag from second fusion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8794201/rheostat-for-the-2lo-transmitter</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/374/504/large_smg00079882.jpg</image:loc><image:title>Rheostat, for the 2LO transmitter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21142/furnace-accretion-ofenbruch-finland-copper-works</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/661/large_smg00096451.jpg</image:loc><image:title>Furnace accretion Ofenbruch, Finland Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21352/coal-from-hyderabad</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/410/large_smg00088266.jpg</image:loc><image:title>Coal from Hyderabad</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408867/q-stencil</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664216/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20872/crystallised-furnace-bottom-muldner-hutte</loc><lastmod>2026-01-09T15:18:18.525Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/809/large_smg00099199.jpg</image:loc><image:title>Crystallised furnace bottom, Muldner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409846/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/386/large_cd0473_014_081216_1996_10_517_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21093/copper-sheathing-from-hms-chatham</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/581/large_smg00001120.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Chatham&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21233/top-of-dead-head-of-ml-phosphoric-bronze-gun</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8795999/dissertation-properties-of-expanding-universes</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/773/large_e2021_0126_0001__0003_.jpg</image:loc><image:title>Dissertation: Properties of Expanding Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/775/large_e2021_0126_0001__0006_.jpg</image:loc><image:title>Dissertation: Properties of Expanding Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/770/large_e2021_0126_0001__0001_.jpg</image:loc><image:title>Dissertation: Properties of Expanding 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Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/710/large_e2021_0126_0001__0018_.jpg</image:loc><image:title>Dissertation: Properties of Expanding Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/707/large_e2021_0126_0001__0015_.jpg</image:loc><image:title>Dissertation: Properties of Expanding Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/748/large_e2021_0126_0001__0008_.jpg</image:loc><image:title>Dissertation: Properties of Expanding Universes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/749/large_e2021_0126_0001__0009_.jpg</image:loc><image:title>Dissertation: Properties of Expanding 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Universes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670394/experimental-chemical-anilophyll</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21301/defective-brass-breaks-on-twisting</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/679/large_smg00096506.jpg</image:loc><image:title>Defective brass. Breaks on twisting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405215/a-gaiffe-meylan-darsonval-moving-coil-milliammeter</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/307/large_smg00247828.jpg</image:loc><image:title>A. Gaiffe Meylan-d&apos;Arsonval moving coil milliammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409514/ferranti-type-fh-electric-meter</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/222/large_cd0453_016_081118_1996_10_188_ferranti_7a_electric_meter.jpg</image:loc><image:title>Ferranti type FH electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409908/ferranti-radar-rack-connector</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/908/large_cd0444_007_081106_1996_10_579_ferranti_2a_radar_equipment.jpg</image:loc><image:title>Ferranti radar rack connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409678/bone-wax</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/333/large_smg00265263.jpg</image:loc><image:title>Bone wax</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405886/computer-technology-ltd-powered-tape-winder</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/214/large_cd0631_015_100824_1984_170_26_tape_winder_turntable_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd powered tape winder</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/213/large_cd0631_014_100824_1984_170_26_tape_winder_turntable_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd powered tape winder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21326/colorado-coal-presented-by-w-cope</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/829/large_smg00087263.jpg</image:loc><image:title>Colorado coal, presented by W. Cope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20599/result-of-experiment-with-copper-zinc-and-sodium-in-1858</loc><lastmod>2026-01-09T15:18:19.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/917/large_smg00095908.jpg</image:loc><image:title>Result of experiment with copper zinc and sodium in 1858</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407597/linecasting-ingot-mould</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/979/large_smg00248710.jpg</image:loc><image:title>Linecasting Ingot Mould</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20398/six-foot-coal-from-pentrefelin-colliery-swansea-glamorganshire</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/332/large_smg00087409.jpg</image:loc><image:title>&quot;Six-foot&quot; coal from Pentrefelin Colliery, Swansea, Glamorganshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670349/experimental-chemical-tetraacetyldioxy-a-naphtohydroquinone-fr-naphtazarin</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148694/childs-bedpan</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/413/713/large_smg00171750.jpg</image:loc><image:title>Child&apos;s bedpan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8663784/samples-of-ignition-control-additives-for-petrol-engines-by-associated-octel</loc><lastmod>2026-01-09T15:18:18.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21045/russian-sheet-copper-from-the-international-exhibition-1862</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/797/large_smg00099153.jpg</image:loc><image:title>Russian sheet copper, from the International Exhibition, 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20679/coarse-metal-blue-from-the-mines-royal</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/608/large_smg00095869.jpg</image:loc><image:title>Coarse metal (blue) from the Mines Royal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15748/sanderson-hand-camera</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409564/electric-oil-break-fuse</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/499/large_cd0503_019_090217_1996_10_237_ferranti_16d_electric_oil_break_fuse_plug.jpg</image:loc><image:title>Electric Oil Break Fuse</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21115/copper-sheathing-from-hms-crane</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/622/large_smg00001165.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Crane&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16230/no-2-c-folding-autographic-brownie</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666889/procion-red-dye-sample</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410090/franking-stamp</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/751/large_cd0496_009_090127_1996_10_768_ferranti_12b_franking_stamp.jpg</image:loc><image:title>Franking 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gyroscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409550/ferranti-electric-room-heater-screen</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/792/large_cd0498_018_090205_1996_10_224_ferranti_15c_electric_room_heater_screen.jpg</image:loc><image:title>Ferranti electric room heater screen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670311/experimental-chemical-verantine</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21329/coal-from-the-united-states-of-columbia-now-colombia-south-america</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/322/large_smg00087243.jpg</image:loc><image:title>Coal from the United States of Columbia ([now Colombia), South America</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409573/element-for-domestic-electric-iron</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/967/large_cd0486_012_090108_1996_10_246_ferranti_11a_heating_element.jpg</image:loc><image:title>Element for domestic electric iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21150/alloy-of-55-copper-and-45-antimony</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/972/large_smg00096524.jpg</image:loc><image:title>Alloy of 55 copper and 45 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408854/d-stencil</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/126/large_cd0436_016_081103_1995_1_49_stencil.jpg</image:loc><image:title>&apos;D&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21059/best-selected-copper-from-newton</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/787/large_smg00099143.jpg</image:loc><image:title>Best selected copper from Newton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407065/file</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/296/large_smg00249133.jpg</image:loc><image:title>File</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796004/scientific-publication-black-hole-explosions</loc><lastmod>2026-01-09T15:18:19.772Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/726/large_e2021_0126_0006__0001_.jpg</image:loc><image:title>Scientific Publication: &apos;Black Hole Explosions?&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/727/large_e2021_0126_0006__0002_.jpg</image:loc><image:title>Scientific Publication: &apos;Black Hole Explosions?&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410027/ferranti-model-l175-voltmeter</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/86/large_smg00250546.jpg</image:loc><image:title>Ferranti Model L175 Voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669901/experimental-chemical-o-tolylhydrazone-of-m-chlorisatine</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21217/samples-of-naval-brass-bars</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/662/large_smg00313859.jpg</image:loc><image:title>Samples of naval brass bars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666864/victoria-blue-4r-dye-sample</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409754/area-denial-mine-hb876-made-by-ferranti-instrumentation-ltd</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/929/large_cd0445_006_081106_1996_10_425_ferranti_1d_area_denial_mine.jpg</image:loc><image:title>Area denial mine HB876 made by Ferranti Instrumentation Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/103/large_smg00243277__0001_.jpg</image:loc><image:title>Area denial mine HB876 made by Ferranti Instrumentation Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/105/large_smg00243277__0003_.jpg</image:loc><image:title>Area denial mine HB876 made by Ferranti Instrumentation Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/104/large_smg00243277__0002_.jpg</image:loc><image:title>Area denial mine HB876 made by Ferranti Instrumentation Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410050/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/296/large_cd0450_018_081111_1996_10_726_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409699/nerve-root-retractor</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/343/large_smg00265274.jpg</image:loc><image:title>Nerve root retractor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20204/compressed-brown-peat-from-ireland</loc><lastmod>2026-01-09T15:18:20.000Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/804/large_smg00095468.jpg</image:loc><image:title>Compressed brown peat from Ireland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403908/electric-signal-bell-made-by-davis-derby</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/577/large_cd0647_020_110315_lcmc_t739_bell_signal.jpg</image:loc><image:title>Electric signal bell made by Davis Derby</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20473/white-stourbridge-fire-clay</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/445/large_smg00091246.jpg</image:loc><image:title>White Stourbridge fire-clay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407077/sockets</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/129/large_smg00248901.jpg</image:loc><image:title>Sockets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409508/ferranti-17sk4-television</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21321/piece-of-old-sheathing-worn-very-thin</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667820/diamond-fuchsine-crystals-dye-sample</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409565/ferranti-microwave-test-bench</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407614/linotype-bulldog-clips</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/182/large_y1990_0104_0039__0001_.jpg</image:loc><image:title>Linotype Bulldog Clips</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/183/large_y1990_0104_0039__0002_.jpg</image:loc><image:title>Linotype Bulldog Clips</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/184/large_y1990_0104_0039__0003_.jpg</image:loc><image:title>Linotype Bulldog Clips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409790/paperweight-made-from-slice-of-10</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409538/ferranti-electric-water-heater</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/35/large_smg00244866.jpg</image:loc><image:title>Ferranti electric water heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20920/refinery-waste-gaarkratz</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666866/fluoresceine-dye-sample</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20457/portion-of-the-fuel-which-oozes-out-from-the-iron-box</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/917/large_smg00091230.jpg</image:loc><image:title>Portion of the fuel which oozes out from the iron box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669887/experimental-chemical-o-tolylhydrazon-of-isatine</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409188/spanner</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16704/aircraft-cine-camera-model-g-45</loc><lastmod>2026-01-09T15:18:20.469Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/533/large_smg00450991.jpg</image:loc><image:title>Aircraft Cine Camera Model G 45</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409993/ferranti-type-rd13709-electrical-component</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/816/large_cd0499_021_090206_1996_10_669_ferranti_16b_electrical_component.jpg</image:loc><image:title>Ferranti type RD13709 electrical component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409896/stc-thermionic-valve-type-101</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/996/large_cd0487_019_090109_1996_10_567_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>STC thermionic valve, type 101</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/19/large_smg00243379.jpg</image:loc><image:title>STC thermionic valve, type 101</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408808/textile-printing-block</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/502/large_smg00245560.jpg</image:loc><image:title>Textile printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408885/fabric-bolt-end</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/601/large_cd0124_006_050721_t_1995_1_188_fabric.jpg</image:loc><image:title>Fabric Bolt End</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409887/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/55/large_cd0480_012_081222_1996_10_558_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/328/large_smg00243761.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409866/clarostat-rheostat-type-ln6o-radio-component</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/401/large_cd0474_007_081216_1996_10_537_ferranti_9d_radio_component.jpg</image:loc><image:title>Clarostat rheostat type LN6O radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21297/screw-bolt-from-the-propeller-of-hms-frederick-william-showing-condition</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/670/large_smg00096493.jpg</image:loc><image:title>Screw bolt from the propeller of HMS &quot;Frederick William&quot;, showing condition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664585/laboratory-tube</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669981/acetyl-rhamnetin-a-sample-chemical</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668225/dye-sample-rubiadin</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670302/experimental-chemical-indophenin</loc><lastmod>2026-01-09T15:18:20.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404686/thermometer</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/26/large_smg00250550__0002_.jpg</image:loc><image:title>Thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/27/large_smg00250550__0003_.jpg</image:loc><image:title>Thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/25/large_smg00250550__0001_.jpg</image:loc><image:title>Thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/28/large_smg00250550__0004_.jpg</image:loc><image:title>Thermometer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/131/large_smg00250550.jpg</image:loc><image:title>Thermometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671177/experimental-chemical-triacetylflavopurpurine</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409008/textile-printing-block</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/761/large_cd0121_058_050713_y1995_2_17_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/613/large_smg00248179.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409002/textile-printing-block</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/759/large_cd0121_056_050713_y1995_2_11_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/616/large_smg00248182.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20347/anthracite-from-the-same-locality-as-no-147</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671170/experimental-chemical-diethyl-isanthraflavic-acid</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408836/4-stencil</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/123/large_cd0436_013_081029_1995_1_31_stencil.jpg</image:loc><image:title>&apos;4&apos; stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403906/ringrose-methanometer</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/262/large_cd0664_015_111004_lcmc_t743_ringrose_pocket_metanometer.jpg</image:loc><image:title>&apos;Ringrose&apos; methanometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20235/lignite-from-the-dranista-coalfield</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/551/large_smg00095437.jpg</image:loc><image:title>Lignite from the Dranista Coalfield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16109/no-3-autographic-kodak-model-h</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/930/large_smg00451988.jpg</image:loc><image:title>No. 3 Autographic Kodak Model H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405185/telephone-receiver-cylindrical-receiver-with-a-flattened-end</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16384/digma-2-14-sq-rollfilm-camera-with-collapsible-lens-assembly</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/503/large_smg00450850.jpg</image:loc><image:title>Digma 2 1/4&quot; sq. rollfilm camera with collapsible lens assembly</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409837/radiospares-preset-radio-component</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/377/large_cd0472_016_081216_1996_10_508_ferranti_9e_radio_component.jpg</image:loc><image:title>RadioSpares preset radio component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16071/zeiss-ikon-nettar-no51516</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/834/large_smg00220499.jpg</image:loc><image:title>Zeiss Ikon Nettar No.515/16</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403979/sectioned-model-of-a-mono-pump</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/272/large_cd0628_031_100805_lcmc_t573_cutaway_mono_pump.jpg</image:loc><image:title>Sectioned model of a mono pump</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409091/6-fl-oz-of-pharos-cod-liver-oil-with-its-cardboard-box</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/237/large_cd0697_065_121024_1995_2_118_pharos_cod_liver_oil.jpg</image:loc><image:title>6 fl oz of Pharos Cod Liver Oil with its cardboard box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405216/edelmann-moving-magnet-milli-ammeter-with-pointer-and-key-mounted-in-lid</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/781/large_smg00245883.jpg</image:loc><image:title>Edelmann moving magnet milli-ammeter with pointer and key mounted in lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665194/catechu-dye-sample</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16175/no2-folding-autographic-brownie</loc><lastmod>2026-01-09T15:18:21.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/948/large_smg00452030.jpg</image:loc><image:title>No.2 Folding Autographic Brownie.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21065/wire-made-from-the-sheating-of-hms-fantome</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/720/large_smg00096727.jpg</image:loc><image:title>Wire made from the sheating of H.M.S. &quot;Fantome&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16700/leica-ii-c-35mm-camera-1948</loc><lastmod>2026-01-09T15:18:21.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664307/sample-chemicals-from-research-undertaken-by-chemists-in-owens-college-chemistry-department</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21086/copper-sheathing-from-hms-cambrian-marked-om</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/613/large_smg00001156.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Cambrian,&quot; marked &quot;O.M.&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20248/shaly-lignite-from-kalamaki-corinth-greece</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/391/771/large_smg00160707.jpg</image:loc><image:title>Shaly lignite from Kalamaki, Corinth, Greece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20871/crystals-of-arsenious-acid-from-the-roasting-heaps-on-which-the-ore-furnace-regulus-has-been-roasted</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408920/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409102/dithranol-fort-ringworm-ointment</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/754/large_cd0087_013_050301_ms_1995_2_131_ringworm_ointment.jpg</image:loc><image:title>Dithranol Fort - ringworm ointment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409751/ferranti-moe10-monitor</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/803/large_smg00246152__0001_.jpg</image:loc><image:title>Ferranti MOE10 Monitor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/804/large_smg00246152__0002_.jpg</image:loc><image:title>Ferranti MOE10 Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409714/cork-from-neurosurgical-bag</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/332/large_smg00265262.jpg</image:loc><image:title>Cork from neurosurgical bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404450/coal-mining-sign-manriding-on-this-haulage</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/264/large_cd0628_023_100805_lcmc_t327_manriding_on_this_haulage_sign.jpg</image:loc><image:title>Coal mining sign: &apos;Manriding on this haulage..&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21103/copper-sheathing-from-hms-gosport</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/629/large_smg00001172.jpg</image:loc><image:title>Copper sheathing from H.M.S. &quot;Gosport&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405931/computer-technology-ltd-circuit-board</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/269/large_cd0632_002_100827_1984_170_48_cpu_module_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409762/ferranti-electronic-connector-casing</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/306/large_cd0479_011_081222_1996_10_433_ferranti_10b_electrical_component.jpg</image:loc><image:title>Ferranti electronic connector casing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409984/ferranti-type-5950-99-951-3455-transformer</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/3/large_cd0488_004_090109_1996_10_660_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti type 5950-99-951-3455 transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409809/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/759/large_cd0449_004_081111_1996_10_480_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669883/experimental-chemical-diacetylnitroalizarine</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796010/scientific-publication-the-limits-of-space-and-time</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/694/large_smg00340336__0002_.jpg</image:loc><image:title>Scientific Publication: ‘The Limits of Space and Time’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/696/large_smg00340336__0004_.jpg</image:loc><image:title>Scientific Publication: ‘The Limits of Space and Time’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/693/large_smg00340336__0001_.jpg</image:loc><image:title>Scientific Publication: ‘The Limits of Space and Time’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/695/large_smg00340336__0003_.jpg</image:loc><image:title>Scientific Publication: ‘The Limits of Space and Time’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408940/box-of-bugle-brand-tacks</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/450/large_cd0125_001_050721_t_1995_1_258_bugle_tacks.jpg</image:loc><image:title>Box of &apos;Bugle Brand&apos; Tacks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408938/box-of-staples</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/616/large_cd0124_021_050721_t_1995_1_252_vanguard_staples.jpg</image:loc><image:title>Box of Staples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405152/automobile-inspection-lamp-in-nickle-plated-brass-case-with-coiled-length-of-wire</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/156/large_smg00247857__0001_.jpg</image:loc><image:title>Automobile inspection lamp in nickle plated brass case with coiled length of wire</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/157/large_smg00247857__0002_.jpg</image:loc><image:title>Automobile inspection lamp in nickle plated brass case with coiled length of wire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404703/portable-blowpipe-used-by-j-joule-c-1860</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409346/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/70/large_smg00250648__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/71/large_smg00250648__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/72/large_smg00250648__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404694/lid-and-discs-used-by-james-joule-in-friction-experiments-on-solids</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409721/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/278/large_cd0478_005_081222_1996_10_389_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/159/large_smg00243532.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408908/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21339/labuan-coal</loc><lastmod>2026-01-09T15:18:22.062Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/413/large_smg00088269.jpg</image:loc><image:title>Labuan coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20388/low-moor-coal-hard-yorkshire</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/358/large_smg00087436.jpg</image:loc><image:title>&quot;Low Moor&quot; coal, hard, Yorkshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8401937/emergency-morse-key-1900-1950</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409485/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/551/large_cd0467_003_081211_1996_10_165_ferranti_8c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21083/copper-tube-with-spiral-marks-from-drawing-through-the-die</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/16/large_smg00097628.jpg</image:loc><image:title>Copper tube with spiral marks from drawing through the die</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408907/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404718/graduated-mercury-thermometer</loc><lastmod>2026-01-09T15:18:22.292Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/372/large_smg00245375.jpg</image:loc><image:title>Graduated mercury thermometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667195/chromotrope-acid-dye-sample</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409072/textile-printing-block</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/321/large_cd0127_015_050721_t_1995_2_82_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/227/large_smg00249047.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404471/coal-pit-lane-street-sign</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409539/ferranti-namplate</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/789/large_cd0498_015_090205_1996_10_213_ferranti_12e_name_plate.jpg</image:loc><image:title>Ferranti namplate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669911/experimental-chemical-ethoxyindophenazine</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co19617/bottle-containing-silicon-copper</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16390/ful-vue</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/445/large_smg00450856.jpg</image:loc><image:title>Ful-Vue</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21262/bronze-from-the-tomb-of-henry-vii-in-westminster-abbey</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409654/ferranti-electric-wall-clock</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/753/large_cd0448_020_081110_1996_10_322_ferranti_5c_clock.jpg</image:loc><image:title>Ferranti electric wall clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20680/blue-metal-from-the-mines-royal-copper-works</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/615/large_smg00095876.jpg</image:loc><image:title>&quot;Blue metal&quot; from the Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667015/homeopathic-set</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408910/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403962/cable-sample-coal-mining</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/256/large_cd0675_046_120105_lcmc_t1903_1_3_cable_samples.jpg</image:loc><image:title>Cable sample, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20788/artificial-sulphide-of-copper-showing-moss-copper-in-the-cavities</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/616/large_smg00096353.jpg</image:loc><image:title>Artificial sulphide of copper, showing moss copper in the cavities</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403933/brick-engraved-ck</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/551/large_cd0660_008_110809_lcmc_t660_brick.jpg</image:loc><image:title>Brick engraved &apos;CK&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21440/result-of-heating-sulphide-of-zinc-with-tin</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670930/experimental-chemical-quercetin</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409140/bedlington-pit-axe</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/520/large_cd0646_030_110315_lcmc_t1677_bedlington_pit_axe.jpg</image:loc><image:title>Bedlington pit axe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403986/battery-safety-lamp-locomotive-lamp</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/985/large_cd0659_016_110809_lcmc_t53_2_battery_safety_lamp.jpg</image:loc><image:title>Battery safety lamp. Locomotive lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403913/games-sticks</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/375/large_cd0674_066_120105_lcmc_t730_1_games_sticks.jpg</image:loc><image:title>Games sticks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16144/regular-ensign-3-14-1921</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/45/large_smg00450800.jpg</image:loc><image:title>Regular Ensign 3 1/4, 1921</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16140/afga-billy-record-camera</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16159/kodak-model-no1-autographic-folding-bellows-camera-for-rollfilm-no120</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/435/large_smg00452094.jpg</image:loc><image:title>Kodak Model No.1 Autographic Folding Bellows Camera for Rollfilm No.120</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796006/scientific-publication-wave-function-of-the-universe</loc><lastmod>2026-01-09T15:18:22.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/665/large_smg00340326__0001_.jpg</image:loc><image:title>Scientific Publication: &apos;Wave Function of the Universe&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/666/large_smg00340326__0002_.jpg</image:loc><image:title>Scientific Publication: &apos;Wave Function of the Universe&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/667/large_smg00340326__0003_.jpg</image:loc><image:title>Scientific Publication: &apos;Wave Function of the Universe&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404901/brazilwood-log</loc><lastmod>2026-01-09T15:18:23.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/693/large_cd0122_017_050721_t_1970_90_44_brazilwood.jpg</image:loc><image:title>Brazilwood Log</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408813/textile-printing-block</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/537/large_smg00248093.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20729/ore-furnace-slag-from-whiston-copper-works</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/648/large_smg00096274.jpg</image:loc><image:title>Ore-furnace slag from Whiston Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407622/8-scheirder-space-bands</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/542/large_smg00247012.jpg</image:loc><image:title>8 Scheirder Space Bands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20613/copper-percipitated-by-scrap-iron-from-hydrochloric-acid-solution-of-ore-alderley-edge-mines-cheshire</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665337/pistacia-khinjuk-dye-sample</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16628/folding-bellows-rollfilm-camera</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/376/large_smg00450930.jpg</image:loc><image:title>folding bellows rollfilm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669924/experimental-chemical-pseudo-acetyl-b3-methyl-indophenazine</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20928/waste-leading-slag-kratzfrischschlacken</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20887/twice-roasted-ore</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/806/large_smg00099196.jpg</image:loc><image:title>Twice roasted ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407643/linecasting-matrices</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/577/large_smg00247051.jpg</image:loc><image:title>Linecasting Matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409713/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/270/large_cd0477_019_081219_1996_10_381_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/162/large_smg00243535.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21417/glass-flashed-with-a-fine-layer-of-copper-glass</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8402799/testing-instrument</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/222/large_cd0663_047_111004_lcmc_t113_11_2000_18_testing_instrument.jpg</image:loc><image:title>Testing instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409371/ferranti-photosensitive-cell</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/770/large_cd0497_018_090203_1996_10_54_ferranti_16a_photo_cell.jpg</image:loc><image:title>Ferranti photosensitive cell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403929/brick-engraved-b</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/554/large_cd0660_011_110809_lcmc_t666_brick.jpg</image:loc><image:title>Brick engraved &apos;B&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21323/coal-from-near-nanaimo</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/325/large_smg00087246.jpg</image:loc><image:title>Coal from near Nanaimo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407071/screwdriver-handle</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/299/large_smg00249136.jpg</image:loc><image:title>Screwdriver Handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410034/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/100/large_smg00250566.jpg</image:loc><image:title>Ferranti Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409567/ferranti-nameplate</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/793/large_cd0498_019_090205_1996_10_240_ferranti_12c_name_plate.jpg</image:loc><image:title>Ferranti nameplate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406445/metal-alloy-helmet</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/624/large_cd0661_010_110809_lcmc_t1847_or_cw_1987_27_ailoy_helmet.jpg</image:loc><image:title>Metal alloy helmet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404890/young-fustic-dye-sample</loc><lastmod>2026-01-09T15:18:23.696Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/683/large_cd0122_007_050721_t_1970_90_26_young_fustic.jpg</image:loc><image:title>Young Fustic Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408807/textile-printing-block</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/504/large_smg00248051.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409815/ferranti-spinning-spindle</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/764/large_cd0449_009_081111_1996_10_486_ferranti_5a_spindle.jpg</image:loc><image:title>Ferranti spinning spindle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404453/electric-lamp-coal-mining</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/238/large_cd0663_063_111004_lcmc_t277_electric_mine_lamp.jpg</image:loc><image:title>Electric lamp, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20506/native-graphite-from-the-horicon-mines-usa</loc><lastmod>2026-01-09T15:18:23.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/561/large_smg00095725.jpg</image:loc><image:title>Native graphite from the Horicon Mines, U.S.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21290/deposit-formed-in-brass-tube-during-use-in-the-acis-engine</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406490/electrical-shot-firing-apparatus</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/227/large_cd0663_052_111004_lcmc_t214_electrical_shot_firing_apparatus.jpg</image:loc><image:title>Electrical shot-firing apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20578/result-of-heating-six-equivalents-of-copper-with-one-of-tersulphide-of-antimony</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/896/large_smg00095884.jpg</image:loc><image:title>Result of heating six equivalents of copper with one of tersulphide of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20611/mixture-of-the-blue-and-green-carbonates-of-copper-alderley-edge</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/565/large_smg00096289.jpg</image:loc><image:title>Mixture of the blue and green carbonates of copper Alderley Edge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20669/spectacle-furnace-regulus-from-the-boston-copper-works</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/589/large_smg00095846.jpg</image:loc><image:title>Spectacle furnace regulus from the Boston Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20868/concentrated-kupferstein-muldner-hutte</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/807/large_smg00099197.jpg</image:loc><image:title>Concentrated Kupferstein, Muldner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408881/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403935/brick-engraved-mason</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/550/large_cd0660_007_110809_lcmc_t656_brick.jpg</image:loc><image:title>Brick engraved &apos;Mason&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21368/small-samples-of-australian-coal</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/928/large_smg00091360.jpg</image:loc><image:title>Small samples of Australian coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21383/coal-from-new-south-wales</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/887/large_smg00091160.jpg</image:loc><image:title>Coal from New South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409599/ferranti-aviation-instrumention-panel</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/783/large_cd0446_006_081107_1996_10_267_ferranti_2e_aviation_instrument.jpg</image:loc><image:title>Ferranti aviation instrumention panel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409361/ferranti-521350-transformer</loc><lastmod>2026-01-09T15:18:24.495Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/952/large_cd0485_019_090106_1996_10_44_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti 521350 transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21189/copper-cobalt-alloy-from-australia</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/664/large_smg00313861.jpg</image:loc><image:title>Copper cobalt alloy from Australia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404662/electromagnet-made-by-james-joule-for-experiments-on-lifting-power</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/598/large_smg00249447__0002_.jpg</image:loc><image:title>Electromagnet made by James Joule for experiments on lifting power</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/597/large_smg00249447__0001_.jpg</image:loc><image:title>Electromagnet made by James Joule for experiments on lifting power</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409919/ferranti-display-plaque</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/1/large_cd0488_002_090109_1996_10_593_ferranti_11c_display_plaque.jpg</image:loc><image:title>Ferranti display plaque</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20532/copper-bisulphide</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/846/large_smg00095741.jpg</image:loc><image:title>Copper bisulphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co409716/hangers-for-neurosurgical-instruments</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21384/coal-from-cape-paterson</loc><lastmod>2026-01-09T15:18:24.638Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/881/large_smg00091154.jpg</image:loc><image:title>Coal from Cape Paterson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405217/ships-voltmeter-made-by-w-and-j-robinson</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/248/208/large_cd0079_018_050127_y1974_34_145_voltmeter.jpg</image:loc><image:title>Ship&apos;s voltmeter made by W &amp; J Robinson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21442/result-of-heating-sulphide-of-zinc-with-lead</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409304/ferranti-electric-mantel-clock</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/766/large_cd0497_014_090203_1996_10_9_ferranti_15d_clock.jpg</image:loc><image:title>Ferranti Electric Mantel Clock</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/114/large_smg00244974.jpg</image:loc><image:title>Ferranti Electric Mantel Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8796001/scientific-publication-wave-function-of-the-universe</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/630/large_smg00340310__0002_.jpg</image:loc><image:title>Scientific Publication: ‘Wave function of the Universe.’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/629/large_smg00340310__0001_.jpg</image:loc><image:title>Scientific Publication: ‘Wave function of the Universe.’</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/631/large_smg00340310__0003_.jpg</image:loc><image:title>Scientific Publication: ‘Wave function of the Universe.’</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21143/alloy-of-999-copper-and-1-antimony</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/964/large_smg00096516.jpg</image:loc><image:title>Alloy of 999 copper and 1 antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20875/refined-copper-pitch-assay-grunthal-hutte</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/803/large_smg00099187.jpg</image:loc><image:title>Refined copper, pitch assay, Grunthal Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409582/ferranti-ltd-electric-iron</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/796/large_cd0498_022_090205_1996_10_255_ferranti_15d_electric_iron.jpg</image:loc><image:title>Ferranti Ltd electric iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8403897/sign-treatment-of-electric-shock</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/565/large_cd0660_022_110809_lcmc_t762_sign.jpg</image:loc><image:title>Sign - &apos;Treatment of electric shock&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20738/scum-from-the-tapping-pit-of-an-ore-furnace-swansea</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/922/large_smg00096280.jpg</image:loc><image:title>Scum from the tapping pit of an ore furnace, Swansea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668228/dye-sample-chlororubiadine</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406930/coal-cutting-pick</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/540/large_cd0646_052_110315_lcmc_t1953_coal_cutting_pick.jpg</image:loc><image:title>coal cutting pick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co537991/moving-coil-multimeter</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/374/748/large_smg00085922.jpg</image:loc><image:title>Moving-coil multimeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405885/computer-cable-manufactured-by-computer-technology-ltd</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/212/large_cd0631_013_100824_1984_170_25_switch_on_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer cable manufactured by Computer Technology Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408889/face-plate-sample</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409715/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/272/large_cd0477_021_081219_1996_10_383_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/346/large_smg00243784.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21049/electrotype-copper-melted-under-charcoal-and-poured-into-a-mould</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/794/large_smg00099150.jpg</image:loc><image:title>Electrotype copper, melted under charcoal and poured into a mould</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666986/homeopathic-set</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409026/textile-printing-block</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/853/large_cd0121_122_050713_y1995_2_35_printing_block.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/966/large_smg00248606.jpg</image:loc><image:title>Textile Printing Block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671621/dye-sample-procion-blue-h</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409655/ferranti-electric-wall-clock</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/152/large_cd0455_017_081118_1996_10_323_ferranti_5e_clock.jpg</image:loc><image:title>Ferranti electric wall clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665331/haematoxylin-dye-sample</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665112/sample-chemicals-tungsten-bioxybromide</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407054/hammer</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/284/large_smg00249121.jpg</image:loc><image:title>Hammer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20494/sample-of-material-and-results-of-experiments-on-windsor-bricks-made-at-chalfont-st-peters</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/912/large_smg00091224.jpg</image:loc><image:title>Sample of material and results of experiments on &quot;Windsor bricks&quot;. Made at Chalfont St. Peters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20306/six-foot-coal</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/381/large_smg00087519.jpg</image:loc><image:title>&quot;Six-foot&quot; coal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409522/promotional-display-of-transistors</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/958/large_cd0486_003_090108_1996_10_196_ferranti_11c_display_item.jpg</image:loc><image:title>Promotional display of transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409636/gyroscope-used-sebastian-ziani-de-ferranti</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/785/large_cd0446_008_081107_1996_10_304_ferranti_1d_gyroscope.jpg</image:loc><image:title>Gyroscope used Sebastian Ziani de Ferranti.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16170/contessa-nettel-folding-bellows-camera</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/41/large_smg00450792.jpg</image:loc><image:title>Contessa Nettel folding bellows camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20517/copper-scale</loc><lastmod>2026-01-09T15:18:25.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/832/large_smg00095726.jpg</image:loc><image:title>copper scale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20238/lignite-from-dranista-coalfield</loc><lastmod>2026-01-09T15:18:25.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/309/large_smg00085346.jpg</image:loc><image:title>Lignite from Dranista Coalfield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669921/experimental-chemical-phenylhydrozon-of-nitroisatine</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409490/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/555/large_cd0467_007_081212_1996_10_170_ferranti_8c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21340/labuan-coal-analysed-by-wj-ward-1865</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/820/large_smg00087252.jpg</image:loc><image:title>Labuan coal, analysed by W.J. Ward, 1865</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8671197/experimental-chemical-diethylflavopurpurin</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406487/german-model-ghh-werk-sterkrade-friction-prop</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/357/large_cd0674_047_120105_lcmc_t219_2_german_model_metal_prop.jpg</image:loc><image:title>German Model GHH Werk Sterkrade friction prop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16121/autographic-kodak-no1</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/47/large_smg00452312.jpg</image:loc><image:title>Autographic Kodak No.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21188/bronze-made-directly-from-cornish-ore-containing-some-cassiterite</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/673/large_smg00313874.jpg</image:loc><image:title>Bronze made directly from Cornish ore, containing some cassiterite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21374/coal-from-new-south-wales-imported-1872</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/845/large_smg00088120.jpg</image:loc><image:title>Coal from New South Wales, imported 1872</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410411/ferranti-record-player</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/619/large_cd0143_013_050815_cg_1996_10_1080_disc_record_player.jpg</image:loc><image:title>Ferranti record player</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/2/large_y1996_0010_1080__0003_.jpg</image:loc><image:title>Ferranti record player</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/0/large_y1996_0010_1080__0001_.jpg</image:loc><image:title>Ferranti record player</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/1/large_y1996_0010_1080__0002_.jpg</image:loc><image:title>Ferranti record player</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409518/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/229/large_cd0453_019_081118_1996_10_192_ferranti_7a_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co15616/collapsible-box-camera</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/44/large_smg00450583.jpg</image:loc><image:title>Collapsible box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668853/dye-sample-isatyd</loc><lastmod>2026-01-09T15:18:25.985Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8405901/computer-technology-ltd-cable</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/232/large_cd0631_033_100824_1984_170_33_double_ended_connection_cable_for_48k_minicomputer.jpg</image:loc><image:title>Computer Technology Ltd Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20938/black-copper-schwarz-kupfer</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/945/large_smg00096377.jpg</image:loc><image:title>Black copper, &quot;Schwarz-Kupfer&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409926/ferranti-ammeter</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/75/large_smg00250535.jpg</image:loc><image:title>Ferranti Ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409766/electronic-connector</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/310/large_cd0479_015_081222_1996_10_437_ferranti_10b_electrical_component.jpg</image:loc><image:title>Electronic connector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410675/radio-components</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/226/large_cd0475_018_081219_1996_10_1344_ferranti_9d_radio_components.jpg</image:loc><image:title>Radio components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409342/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16463/roll-film-box-camera</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/57/large_smg00450909.jpg</image:loc><image:title>Roll film box camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8407075/tweezers</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/294/large_smg00249131.jpg</image:loc><image:title>Tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667910/dye-sample-rumicin</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23585/piece-of-swedish-iron-which-has-been-subjected-to-exceedingly-rapid-and-intense-hammering</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408923/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20892/stoking-rabble-or-schurkrakz</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411019/regulations-notice</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/16/large_cd0659_051_110809_lcmc_t449_regulations_notice.jpg</image:loc><image:title>Regulations notice</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412282/trade-union-badge-for-national</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/513/large_cd0382_012_080610_2002_19_324_lancashire_coal_mining_badge.jpg</image:loc><image:title>Trade union badge for National</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/783/large_smg00244528.jpg</image:loc><image:title>Trade union badge for National</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23670/bar-of-steel-manufactured-by-whitworth-and-co-marked-wy4-worked-up-into-a-turning-tool</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/500/large_smg00094243.jpg</image:loc><image:title>Bar of steel manufactured by Whitworth and Co., marked W.Y.4, worked up into a turning tool</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8408896/textile-face-plate-sample</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co20675/regulus-from-the-first-fusion-of-chilian-regulus</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/602/large_smg00095863.jpg</image:loc><image:title>Regulus from the first fusion of Chilian regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co16076/zeiss-ikon-super-ikonta-531-camera</loc><lastmod>2026-01-09T15:18:26.461Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/833/large_smg00220498.jpg</image:loc><image:title>Zeiss Ikon &apos; Super Ikonta 531&apos; Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23742/thick-iron-armour-plate-tested-to-breaking-point</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/816/large_smg00095480.jpg</image:loc><image:title>Thick iron armour plate, tested to breaking point</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21781/speiss-from-bleistein-smelting-muldner-hutte</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/514/large_smg00095086.jpg</image:loc><image:title>Speiss from Bleistein smelting, Muldner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21801/roasted-ore-from-small-calciner-at-halsbruckner-hutte</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/805/large_smg00095101.jpg</image:loc><image:title>Roasted ore from small calciner at Halsbruckner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23643/square-bar-of-steel-produced-by-parrys-process</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/474/large_smg00094215.jpg</image:loc><image:title>Square bar of steel produced by Parry&apos;s process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22250/mixture-of-ore-for-common-tin-from-the-chyandour-smelting-works</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23179/slag-from-the-surface-of-the-moltern-iron-in-smelting-ashton-iron-core</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/279/large_smg00073079.jpg</image:loc><image:title>Slag from the surface of the moltern iron in smelting Ashton iron core</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22486/tantalite-from-sweden</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/577/large_smg00088101.jpg</image:loc><image:title>Tantalite from Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21954/formation-of-chloride-of-silver-from-sulphate-of-silver</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/185/large_smg00001285.jpg</image:loc><image:title>Formation of chloride of silver from sulphate of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21871/alloy-of-66-parts-of-lead-to-34-of-bismuth</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/138/large_smg00001199.jpg</image:loc><image:title>Alloy of 66 parts of lead to 34 of bismuth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668233/dye-sample-triacetyl-anthragallol</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410657/novotechnik-hab-1421-valve-computer-part</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/541/large_cd0505_022_090217_1996_10_1326_ferranti_16e_novotechnik_hab_1421_valve_computer_part.jpg</image:loc><image:title>Novotechnik HAB-1421 valve computer part</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/184/large_smg00243567.jpg</image:loc><image:title>Novotechnik HAB-1421 valve computer part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21997/silver-metal-regulus</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/700/large_smg00089240.jpg</image:loc><image:title>Silver metal regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410699/ferranti-multilin-fss-102-integrated-circuit</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/236/large_cd0476_007_081219_1996_10_1368_ferranti_10a_electronic_component.jpg</image:loc><image:title>Ferranti Multilin FSS-102 integrated circuit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411024/sign-windy-arbour-colliery</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/13/large_cd0659_047_110809_lcmc_t439_notice.jpg</image:loc><image:title>Sign, Windy Arbour Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410453/ferranti-modera-25-heater</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/116/large_smg00247538.jpg</image:loc><image:title>Ferranti Modera 25 Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22954/aluminous-iron-ore-from-belfast-used-at-the-dowlas-iron-works-1870</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/331/large_smg00095340.jpg</image:loc><image:title>Aluminous iron ore from Belfast, used at the Dowlas Iron Works, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23073/nodule-of-earthy-brown-limonite-from-singapore</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/228/large_smg00093515.jpg</image:loc><image:title>Nodule of earthy brown limonite from Singapore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668819/dye-sample-acetyl-isatin</loc><lastmod>2026-01-09T15:18:26.968Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22688/sulphur-obtained-from-the-roasting-heaps-at-the-nickel-works-of-espedal</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/277/large_smg00097952.jpg</image:loc><image:title>Sulphur obtained from the roasting heaps at the Nickel Works of Espedal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22044/silver-ore-slag</loc><lastmod>2026-01-09T15:18:27.058Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22827/result-of-experiment-on-the-carburisation-of-iron-by-cementation</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/300/large_smg00095282.jpg</image:loc><image:title>Result of experiment on the carburisation of iron by cementation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23178/blast-furnace-slags-from-smelting-manganase-ores-to-make-spiegelisen</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/971/large_smg00092548.jpg</image:loc><image:title>Blast-furnace slags from smelting manganase ores to make spiegelisen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21519/zinc-from-among-the-bricks-round-a-galvanising-bath</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410665/insulation-tester</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/472/large_cd0502_011_090210_1996_10_1334_ferranti_16c_insulation_tester.jpg</image:loc><image:title>Insulation tester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22681/crystallised-basic-sulphates-from-a-furnace-bottom-espedal-nickel-works</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/337/large_smg00098123.jpg</image:loc><image:title>Crystallised basic sulphates from a furnace bottom. Espedal Nickel Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413036/national-coal-board-nw-area-duties-of-banksmen-and-onsetters</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/975/large_cd0659_006_110809_lcmc_t8_2_2001_sign.jpg</image:loc><image:title>National coal board NW area duties of banksmen and onsetters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22138/gold-from-2000-grains-of-lead-obtained-from-white-lead</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/312/large_smg00087965.jpg</image:loc><image:title>Gold from 2,000 grains of lead obtained from white lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410738/mercer-depth-gauge</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/487/large_cd0503_004_090210_1996_10_1408_ferranti_16c_depth_gauge.jpg</image:loc><image:title>Mercer depth gauge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412998/sign-from-windy-arbour-colliery</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/579/large_cd0660_036_110809_lcmc_t882_sign.jpg</image:loc><image:title>Sign from Windy Arbour Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8937686/small-tube-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415946/group-of-five-radiospares-radio-components</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23021/coal-brass-iron-ore-from-the-ocean-steam-companys-pits</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/155/large_smg00092638.jpg</image:loc><image:title>Coal brass iron ore from the Ocean Steam Company&apos;s Pits</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21942/silver-reduced-from-sulphate-of-silver-by-copper</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/171/large_smg00001267.jpg</image:loc><image:title>Silver reduced from sulphate of silver by copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806906/ampoule-of-lipiodol-an-iodine-containing-x-ray-contrast-medium</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/478/large_smg00292450.jpg</image:loc><image:title>Ampoule of Lipiodol, an iodine-containing x-ray contrast medium.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21792/crystallised-slag-from-the-lead-furnaces-at-freiberg</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/517/large_smg00095089.jpg</image:loc><image:title>Crystallised slag from the lead furnaces at Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22366/the-antimony-derived-from-no-2180-after-the-gangue-is-removed</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410488/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/516/large_cd0465_012_081211_ferranti_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22363/the-fused-product-of-no-2178-still-containing-the-antimony-sulphide-mixed-with-the-gangue</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23135/so-called-argillaceous-iron-ore-from-the-lias</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/34/large_smg00092613.jpg</image:loc><image:title>So called argillaceous iron ore from the Lias</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22384/antimony-obtained-from-the-solution</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415897/electric-meter-spare-rings</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22918/micaceous-iron-ore-from-devonshire</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/538/large_smg00095387.jpg</image:loc><image:title>Micaceous iron ore from Devonshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413009/safety-sign-1970s</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/280/large_cd0629_025_100806_lcmc_t861_wear_helmet_sign.jpg</image:loc><image:title>Safety sign, 1970s.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410493/ferranti-radio-receiver-chassis</loc><lastmod>2026-01-09T15:18:27.646Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/963/large_smg00247359.jpg</image:loc><image:title>Ferranti Radio Receiver Chassis</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410285/spitfire-commemorative-plaque</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/251/474/large_y1996_0010_0953__0001_.jpg</image:loc><image:title>Spitfire Commemorative Plaque</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/826/large_smg00249934.jpg</image:loc><image:title>Spitfire Commemorative Plaque</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410718/six-ferranti-radio-components</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/935/large_cd0485_002_090106_1996_10_1387_1_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/938/large_cd0485_005_090106_1996_10_1387_4_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/937/large_cd0485_004_090106_1996_10_1387_3_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/939/large_cd0485_006_090106_1996_10_1387_5_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/940/large_cd0485_007_090106_1996_10_1387_6_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/936/large_cd0485_003_090106_1996_10_1387_2_ferranti_10b_radio_component.jpg</image:loc><image:title>Six Ferranti radio components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410333/model-f8883126-insulating-block</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/439/large_cd0500_011_090206_1996_10_1000_ferranti_16c_insulting_block.jpg</image:loc><image:title>Model F88/83126 insulating block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22865/alloy-of-iron-with-5-percent-of-nickel</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/655/large_smg00097471.jpg</image:loc><image:title>Alloy of iron with 5 percent of nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21790/gneiss-impregnated-with-minium-from-the-base-of-an-old-furnace-at-freiberg</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/537/large_smg00095115.jpg</image:loc><image:title>Gneiss impregnated with minium from the base of an old furnace at Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410479/ferranti-45-type-n7-shell-fuze</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/52/large_cd0441_019_081105_1996_10_1148_ferranti_2c_shell_fuse.jpg</image:loc><image:title>Ferranti 4.5&quot; Type N7 shell fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22908/magnetic-iron-ore-from-rosedale</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/388/large_smg00097520.jpg</image:loc><image:title>Magnetic iron ore from Rosedale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23313/scoriaceous-bear-with-abundance-of-small-dull-crystals</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/188/large_smg00092672.jpg</image:loc><image:title>Scoriaceous bear, with abundance of small dull crystals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410378/ferranti-model-139-radio</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/3/large_smg00246172.jpg</image:loc><image:title>Ferranti Model 139 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409933/moving-coil-milliammeter</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/586/large_cd0468_017_081212_1996_10_607_ferranti_7e_electric_meter.jpg</image:loc><image:title>Moving coil milliammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22393/crocus-of-antimony-prepared-by-w-baker</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21522/lead-wire-to-show-its-feeble-ductility</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co26470/perspex-engine-cover-from-prototype-rover-gas-turbine-motor-car-jet-1</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410671/ferranti-electrical-engineers-nameplate</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/473/large_cd0502_012_090210_1996_10_1340_ferranti_12d_name_plate.jpg</image:loc><image:title>Ferranti electrical engineers nameplate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23143/mountain-limestone-used-as-a-flux-in-smelting-iron-at-the-dunbar-iron-furnaces</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/842/large_smg00102116.jpg</image:loc><image:title>Mountain limestone used as a flux in smelting iron at the Dunbar Iron Furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22147/gold-from-100-grains-of-iron-pyrites-with-800-grains-of-lead</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410554/ferranti-silicon-chip</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/219/large_cd0475_011_081219_1996_10_1223_ferranti_10a_silicon_chip.jpg</image:loc><image:title>Ferranti silicon chip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415896/ferranti-ltd-model-fn12-electric-meter</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21633/skimming-from-the-flintshire-furnace</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21610/twenty-five-specimens-of-lead-ores-from-emma-mine-utah-usa</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/916/large_smg00208537.jpg</image:loc><image:title>Twenty five specimens of lead ores from Emma Mine, Utah, U.S.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22051/argentiferous-and-auriferous-copper-matt</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413502/bbc-radio-manchester-audiopak</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/257/large_cd0620_050_100527_2005_86_36_professional_audio_cassette_tape_used_by_radio_manchester.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/997/large_smg00247394.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23626/a-piece-of-the-ordinary-slag-which-accompanies-the-last-specimens</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23798/series-of-watchmakerss-small-tools-all-of-foreign-manufacture</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/867/large_smg00089931.jpg</image:loc><image:title>Series of watchmakers&apos;s small tools, all of foreign manufacture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410138/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/324/large_cd0470_007_081212_1996_10_817_ferranti_8a_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413028/mastabar-comet-conveyor-belt-cutting-tool</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23452/slag-or-tap-cinder-from-the-finery-at-bloomfield-works-dudley</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/638/large_smg00093394.jpg</image:loc><image:title>Slag or tap cinder, from the finery at Bloomfield Works, Dudley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22901/meteorite-iron</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/382/large_smg00097514.jpg</image:loc><image:title>Meteorite iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22801/series-of-experiments-on-the-production-of-silicified-iron-from-hard-red-haematite-containing-finely-divided-quartz</loc><lastmod>2026-01-09T15:18:27.965Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/515/large_smg00095362.jpg</image:loc><image:title>Series of experiments on the production of  silicified iron from hard red haematite containing finely divided quartz</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939872/a-double-anastigmat-series-iii-dagor-lens</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/632/large_smg00452236.jpg</image:loc><image:title>A Double Anastigmat Series III &apos;DAGOR&apos; Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21687/concretions-under-the-test-of-a-cupellation-furnace-from-gossages-white-lead-works</loc><lastmod>2026-01-09T15:18:28.572Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/768/large_smg00098327.jpg</image:loc><image:title>Concretions under the test of a cupellation furnace. From Gossage&apos;s White Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412415/miners-lamp-check-reissued</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/808/large_smg00244554.jpg</image:loc><image:title>Miner&apos;s lamp check, reissued</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23151/scoriaceous-semi-crystalline-dark-grey-slag</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/984/large_smg00092561.jpg</image:loc><image:title>Scoriaceous, semi-crystalline, dark-grey slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23060/fine-micaceous-iron-ore-from-langban-wermland-sweden</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/6/large_smg00092584.jpg</image:loc><image:title>Fine micaceous iron ore from Langban, Wermland, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415619/crew-jacket-from-dolly-wangler</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/938/large_cd0279_009_070309_l2003_37_55_paul_berry_dolly_waggler_shellington_productions_crew_jacket_back.jpg</image:loc><image:title>Crew jacket from Dolly Wangler</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/939/large_cd0279_010_070309_l2003_37_55_paul_berry_dolly_waggler_shellington_productions_crew_jacket.jpg</image:loc><image:title>Crew jacket from Dolly Wangler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22538/alloy-of-magnesium-and-antimony</loc><lastmod>2026-01-09T15:18:28.351Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/468/large_smg00098064.jpg</image:loc><image:title>Alloy of magnesium and antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412246/brick-made-by-hulton-collieries-ltd</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/232/large_cd0391_022_080708_2002_19_237_lcm_brick.jpg</image:loc><image:title>Brick, made by Hulton Collieries Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/677/large_smg00245748.jpg</image:loc><image:title>Brick, made by Hulton Collieries Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410387/ferranti-ltd-microchip-display-item-this-is-a-model-of-a-microchip</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/824/large_cd0490_001_090113_1996_10_1054_ferranti_11c_microchip_display_item.jpg</image:loc><image:title>Ferranti Ltd microchip display item - this is a model of a microchip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412555/sign-coal-mining</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22876/tungsten-steel</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/370/large_smg00097489.jpg</image:loc><image:title>Tungsten steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410705/valve-computer-plug-board</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/479/large_cd0502_018_090210_1996_10_1374_ferranti_13c_card_from_computer.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/147/large_smg00243551__0001_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/149/large_smg00243551__0002_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/151/large_smg00243551__0003_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21655/slag-from-australian-lead-ore-1886</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/750/large_smg00097630.jpg</image:loc><image:title>Slag from Australian lead ore, 1886</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410642/swiss-jewel-co-cup-model-synthetic-jewels</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/869/large_cd0494_014_090126_1996_10_1311_ferranti_11e_cup_model_synthetic_jewels.jpg</image:loc><image:title>Swiss Jewel Co. cup model synthetic jewels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23025/brown-haematite-from-ariege-france</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/160/large_smg00092643.jpg</image:loc><image:title>Brown haematite from Ariege, France</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21865/alloy-of-three-parts-of-lead-to-one-of-tin</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/131/large_smg00001191.jpg</image:loc><image:title>Alloy of three parts of lead to one of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23550/pieces-of-cold-short-iron-broken-by-bending</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/719/large_smg00094686.jpg</image:loc><image:title>Pieces of cold short iron, broken by bending</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415743/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22164/moss-gold-from-new-south-wales</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/404/large_smg00089342.jpg</image:loc><image:title>Moss gold from New South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415939/group-of-two-radiospares-prese</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415891/ferranti-ltd-model-a233f-electric-meter</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415680/abc-wax-printing-roller</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/547/large_cd0718_030_131217_2013_17_19_printing_roller_detail.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/549/large_cd0718_032_131217_2013_17_19_printing_roller.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/548/large_cd0718_031_131217_2013_17_19_printing_roller_detail1.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22405/alloy-of-two-equivalent-of-bismuth-with-one-of-nickel</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23182/slag-from-no3-blast-furnace-at-ebbw-vale-when-making-speigeleisen</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/966/large_smg00092543.jpg</image:loc><image:title>Slag from No.3 blast furnace at Ebbw Vale when making speigeleisen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22428/native-orpiment-communicated-by-r-pearce</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/541/large_smg00088042.jpg</image:loc><image:title>Native orpiment. Communicated by R. Pearce</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22602/indium-sulphide-prepared-and-communicated-by-m-richter</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/309/large_smg00097986.jpg</image:loc><image:title>Indium sulphide, prepared and communicated by M. Richter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21625/roasted-ore</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/819/large_smg00095199.jpg</image:loc><image:title>Roasted ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21713/substance-obtained-in-the-liquating-of-hard-lead</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/551/large_smg00095131.jpg</image:loc><image:title>Substance obtained in the liquating of hard lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410601/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/134/large_cd0483_016_090102_1996_10_1270_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/126/large_smg00243499.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022390/leitz-eldur-contact-printer-c-1935</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/862/large_smg00454004.jpg</image:loc><image:title>Leitz Eldur contact printer, c 1935</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410639/thermionic-valve-type-3c6571</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/166/large_cd0484_013_090106_1996_10_1308_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Thermionic valve, type 3C6/571</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/31/large_smg00243398.jpg</image:loc><image:title>Thermionic valve, type 3C6/571</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019663/spectrum-tube</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/333/large_smg00256673.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410512/ferranti-model-mcaa25-electric-meter</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/200/large_cd0453_005_081118_1996_10_1181_ferranti_4d_meter.jpg</image:loc><image:title>Ferranti model MCAA25 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412914/sign-coal-mining</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/611/large_cd0660_069_110809_lcmc_t1708_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22185/ashantee-weight-for-gold-called-nyansak-por</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/408/large_smg00089346.jpg</image:loc><image:title>Ashantee weight for gold called Nyansak-por</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410748/ferranti-arp-badge</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/265/large_smg00249091.jpg</image:loc><image:title>Ferranti ARP Badge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22430/residue-thrown-away-at-the-arsenic-works</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23746/piece-of-iron-armour-plate-smashed-by-a-shot-at-shoeburyness</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/406/large_smg00102087.jpg</image:loc><image:title>Piece of iron armour plate, smashed by a shot at Shoeburyness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410459/ferranti-t1425-television</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/46/large_smg00247477.jpg</image:loc><image:title>Ferranti T1425 Television</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410225/ferranti-and-metropolitan-vickers-golf-trophy-clock</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/358/large_smg00246755.jpg</image:loc><image:title>Ferranti and Metropolitan-Vickers Golf Trophy Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413380/pneumatic-drill</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/10/large_cd0659_044_110809_lcmc_t361_pneumatic_drill.jpg</image:loc><image:title>Pneumatic drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22933/iron-ore-from-ashton-under-lyme</loc><lastmod>2026-01-09T15:18:29.301Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/353/large_smg00095403.jpg</image:loc><image:title>Iron ore from Ashton-under-Lyme</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co156472/screwdriver-for-taking-pistols-apart</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/419/737/large_smg00198641.jpg</image:loc><image:title>Screwdriver for taking pistols apart</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22696/fine-nickel-communicated-by-mr-merry-1840</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/716/large_smg00100805.jpg</image:loc><image:title>Fine nickel, communicated by Mr. Merry (1840)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23490/another-example-from-the-same-source</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/761/large_smg00094731.jpg</image:loc><image:title>Another example from the same source</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22578/pieces-of-sheet-aluminium</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/312/large_smg00097989.jpg</image:loc><image:title>Pieces of sheet aluminium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939802/cooke-projection-lens</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/611/large_smg00452146.jpg</image:loc><image:title>Cooke Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23461/finery-slag</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/624/large_smg00093380.jpg</image:loc><image:title>Finery slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23174/vesicular-slag-from-the-blast-furnaces-at-russell-hall-iron-works</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/986/large_smg00092564.jpg</image:loc><image:title>Vesicular slag from the blast-furnaces at Russell Hall Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22645/kupfernickel-from-the-kupferschiefer-of-mohringen</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/243/large_smg00089906.jpg</image:loc><image:title>Kupfernickel from the Kupferschiefer of Mohringen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23066/lake-iron-ore-from-norway</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/997/large_smg00092575.jpg</image:loc><image:title>Lake iron ore from Norway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410920/binocular-stereoscopic-camera-no-12</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/639/large_cd0142_001_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/640/large_cd0142_002_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/915/large_cd0141_021_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/912/large_cd0141_018_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/911/large_cd0141_017_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/916/large_cd0141_022_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/913/large_cd0141_019_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/914/large_cd0141_020_050811_cg_1997_6_1_stereo_camera.jpg</image:loc><image:title>Binocular stereoscopic camera no. 12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412880/sign-operating-and-safety-instructions-coal-mining</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/307/large_cd0629_061_100813_lcmc_t1711_operating___safety_instructions.jpg</image:loc><image:title>Sign: &apos;Operating and safety instructions..&quot;, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413032/coal-minin-sign-lamp-station</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/571/large_cd0660_028_110809_lcmc_t801_sign.jpg</image:loc><image:title>Coal minin sign - &apos;Lamp Station...&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415911/ferranti-ltd-model-a55f-electric-meter-and-resistor</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22527/phosphide-of-magnesium-prepared-in-hydrogen-but-allowed-to-come-in-contact-with-the-air</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/430/large_smg00098000.jpg</image:loc><image:title>Phosphide of magnesium, prepared in hydrogen, but allowed to come in contact with the air</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410510/ferranti-model-a233f-electric-meter</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/355/large_cd0471_016_081212_1996_10_1179_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model A233F electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410719/drillit-hole-punch</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/483/large_cd0502_022_090210_1996_10_1388_ferranti_13e_paper_drill.jpg</image:loc><image:title>Drillit hole punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019691/holtz-restricted-ray-vacuum-tube</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/600/large_smg00174410.jpg</image:loc><image:title>Holtz &apos;restricted ray&apos; vacuum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412586/sign-coal-mining</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/663/large_cd0661_022_110809_lcmc_winder_speeds_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411194/figurine-coal-miner-working-at-coal-face-painted</loc><lastmod>2026-01-09T15:18:30.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/572/large_smg00245632.jpg</image:loc><image:title>Figurine, coal miner working at coal face.  Painted</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22942/brown-iron-ore-from-the-brendon-hills</loc><lastmod>2026-01-09T15:18:29.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/350/large_smg00095400.jpg</image:loc><image:title>Brown iron ore from the Brendon Hills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22465/metallic-tungsten-in-powder-produced-by-th-kniesche</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/456/large_smg00088079.jpg</image:loc><image:title>Metallic tungsten in powder. Produced by Th. Kniesche.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410237/ferranti-electric-clock</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/351/large_smg00246747.jpg</image:loc><image:title>Ferranti Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23326/furnace-product-in-the-form-of-diopside</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/179/large_smg00092663.jpg</image:loc><image:title>Furnace product in the form of Diopside</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410188/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/179/large_smg00250659.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415898/ferranti-ltd-model-a440f-electric-meter</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21761/poor-lead-from-liquating-armwerke</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/528/large_smg00095103.jpg</image:loc><image:title>Poor lead from liquating, &quot;Armwerke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410970/small-ivory-handle-from-item-used-by-john-dalton</loc><lastmod>2026-01-09T15:18:30.148Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/114/large_smg00243284__0001_.jpg</image:loc><image:title>Small ivory handle from item used by John Dalton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/116/large_smg00243284__0003_.jpg</image:loc><image:title>Small ivory handle from item used by John Dalton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/115/large_smg00243284__0002_.jpg</image:loc><image:title>Small ivory handle from item used by John Dalton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/117/large_smg00243284__0004_.jpg</image:loc><image:title>Small ivory handle from item used by John Dalton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413497/bbc-radio-manchester-audiopak</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/246/large_cd0620_045_100527_2005_86_31_professional_audio_cassette_tape_used_by_radio_manchester.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/974/large_smg00247370.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22305/refined-metallic-tin-from-chyandour-smelting-works</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/714/large_smg00089267.jpg</image:loc><image:title>Refined metallic tin. From Chyandour Smelting Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23726/wrought-iron-pipe-coated-with-oxide-of-iron-by-bower-and-barffs-process</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/820/large_smg00095484.jpg</image:loc><image:title>Wrought iron pipe coated with oxide of iron by Bower and Barff&apos;s process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23457/another-specimen-from-the-same-furnaces</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/645/large_smg00093401.jpg</image:loc><image:title>Another specimen from the same furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22546/alloy-of-aluminium-and-magnesium</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/436/large_smg00098006.jpg</image:loc><image:title>Alloy of aluminium and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415607/truckers-puppet-head</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/997/large_cd0150_014_050825_cc3_l2003_37_19_head_in_a_box.jpg</image:loc><image:title>&apos;Truckers&apos; Puppet head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23441/colunmar-iron-forming-part-of-the-bear-or-horse-of-a-blast-furnace-at-ebbw-vale</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/664/large_smg00093421.jpg</image:loc><image:title>Colunmar iron forming part of the bear or horse of a blast furnace at Ebbw Vale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412851/carbon-monoxide-indicating-tubes</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/309/large_cd0629_069_100817_lcmc_t1818_carbon_monoxide_indicating_tubes.jpg</image:loc><image:title>Carbon Monoxide indicating tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23801/penknife-with-blades-made-of-mushets-titanium-steel</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21613/mixed-flintshire-lead-ores-bagillt-lead-works-flintshire</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/557/large_smg00095189.jpg</image:loc><image:title>Mixed Flintshire lead ores, Bagillt Lead Works, Flintshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23644/cinder-first-run-off</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/483/large_smg00094225.jpg</image:loc><image:title>Cinder first run off</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415910/ferranti-ltd-electric-meter</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8937685/small-tube-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410127/ferranti-type-fdg2-directional-gyro-unit</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/997/large_cd0439_008_081104_1996_10_806_ferranti_1b_directional_gyro_unit.jpg</image:loc><image:title>Ferranti type FDG2 directional gyro unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23158/pink-coloured-slag-from-the-dowlais-iron-works</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/974/large_smg00092551.jpg</image:loc><image:title>Pink-coloured slag from the Dowlais Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22321/electro-deposited-tin-presented-by-mr-makin-1872</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/717/large_smg00089270.jpg</image:loc><image:title>Electro-deposited tin. Presented by Mr. Makin, 1872</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22310/tin-used-for-experiments-on-crystallising-tin-by-pattinsons-process-for-lead</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/597/large_smg00089252.jpg</image:loc><image:title>Tin used for experiments on crystallising tin by Pattinson&apos;s process for lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21680/red-lead-formed-in-a-smelting-furnace</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/21/large_smg00098198.jpg</image:loc><image:title>Red lead formed in a smelting furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22303/metallic-tin</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23780/short-lengths-of-fine-steel-wires-tested-for-tenacity-which-was-very-high</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/399/large_smg00102079.jpg</image:loc><image:title>Short lengths of fine steel wires tested for tenacity, which was very high</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22543/tin-alloyed-with-10-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/440/large_smg00098010.jpg</image:loc><image:title>Tin alloyed with 10 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22270/black-tin-after-calcination-with-sulphate-of-soda</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410282/ferranti-model-mcaa25-electric-meter</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/349/large_cd0471_010_081212_1996_10_950_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model MCAA25 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412596/enamelled-steel-sign</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/127/323/large_cd0697_009_121015_2002_19_749_lady_pit_times_sign.jpg</image:loc><image:title>Enamelled steel sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410258/ferranti-p3126-heater</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/989/large_smg00246149.jpg</image:loc><image:title>Ferranti P3126 Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412416/miners-lamp-check</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/803/large_smg00244549.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22571/carbonate-of-glucina</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/697/large_smg00098062.jpg</image:loc><image:title>Carbonate of glucina</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21578/impure-sulphide-of-iron-produced-in-assaying-lead-ores-in-an-iron-dish</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/983/large_smg00096909.jpg</image:loc><image:title>Impure sulphide of iron produced in assaying lead ores in an iron dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22301/crystallised-tin-presented-by-professor-wh-miller</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/713/large_smg00089266.jpg</image:loc><image:title>Crystallised tin. Presented by Professor W.H. Miller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21516/alloy-of-iron-and-zinc-in-ingot</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412995/claw-hammer</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/522/large_cd0646_032_110315_lcmc_t888_claw_hammer.jpg</image:loc><image:title>claw hammer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413049/rolled-wood-and-calico-mat</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/344/large_cd0674_034_120105_lcmc_t8_2_2001_1_24_rolled_wood___calico_matt.jpg</image:loc><image:title>Rolled wood and calico mat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23301/piece-of-a-bear-from-an-iron-furnace-in-scotland</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/201/large_smg00092685.jpg</image:loc><image:title>Piece of a bear from an iron furnace in Scotland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939835/pathe-fluor-projection-lens</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/615/large_smg00452150.jpg</image:loc><image:title>Pathe &apos;&apos;Fluor&apos;&apos; projection lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22986/cleveland-iron-ore-analysed-by-a-dick</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/267/large_smg00095248.jpg</image:loc><image:title>Cleveland iron ore, analysed by A. Dick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939849/bausch-and-lomb-plasticmat-lens</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/618/large_smg00452153.jpg</image:loc><image:title>Bausch &amp; Lomb Plasticmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23354/grey-pig-iron</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/775/large_smg00093504.jpg</image:loc><image:title>Grey pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410385/ferranti-gyroscope-desk-ornament</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/983/large_cd0438_016_081104_1996_10_1052_ferranti_1a_gyroscope.jpg</image:loc><image:title>Ferranti Gyroscope desk ornament</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21945/silver-containing-0375-per-cent-of-selenium</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22557/amalgam-containing-4-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/445/large_smg00098015.jpg</image:loc><image:title>Amalgam containing 4 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412910/carbon-monoxide-detector</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/657/large_cd0648_001_110315_lcmc_t296_carbon_monoxide_detector.jpg</image:loc><image:title>Carbon monoxide detector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23449/portion-of-remelted-horse-from-the-bottom-of-a-blast-furnace-at-wolsingham</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/639/large_smg00093395.jpg</image:loc><image:title>Portion of remelted horse from the bottom of a blast furnace at Wolsingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410304/ferranti-promotional-display</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/35/large_cd0489_014_090109_1996_10_971_ferranti_11d_semiconductors_encapsulated_display_item.jpg</image:loc><image:title>Ferranti promotional display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23671/piece-of-a-plate-of-manbys-spring-steel-1871</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/701/large_smg00094247.jpg</image:loc><image:title>Piece of a plate of Manby&apos;s spring steel, 1871</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22760/silicate-of-cobalt-prepared-at-the-works-of-evans-and-askin-birmingham</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/792/large_smg00102169.jpg</image:loc><image:title>Silicate of cobalt, prepared at the Works of Evans and Askin, Birmingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22184/ashantee-weights-for-goldof-unknown-name-and-value</loc><lastmod>2026-01-09T15:18:31.649Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/409/large_smg00089347.jpg</image:loc><image:title>Ashantee weights for gold,of unknown name and value</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22062/speiss-from-an-old-furnace-bottom-at-morfa-silver-works</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/454/large_smg00087969.jpg</image:loc><image:title>Speiss from an old furnace bottom at Morfa Silver Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22767/compound-of-ferric-oxide-and-lime</loc><lastmod>2026-01-09T15:18:31.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/356/large_smg00102147.jpg</image:loc><image:title>Compound of ferric oxide and lime</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21774/lead-slag-bleischlacke</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/535/large_smg00095110.jpg</image:loc><image:title>Lead slag, &quot;Bleischlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23755/iron-from-a-piece-of-plate-knocked-out-by-a-shot-in-prussia-1861</loc><lastmod>2026-01-09T15:18:31.786Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/562/large_smg00001101.jpg</image:loc><image:title>Iron from a piece of plate knocked out by a shot in Prussia, 1861</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23685/small-round-bar-of-r-mushets-special-tool-steel</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22451/sulphide-of-molybdenum</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/559/large_smg00088067.jpg</image:loc><image:title>Sulphide of molybdenum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412500/three-clamps-coal-mining-use</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23260/crystalline-graphite-from-a-blast-furnace-at-elswick</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/929/large_smg00092371.jpg</image:loc><image:title>Crystalline graphite from a blast-furnace at Elswick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23756/chilled-cast-iron-shot-fired-against-an-iron-target-at-shoeburyness-and-broken</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/837/large_smg00102111.jpg</image:loc><image:title>Chilled cast-iron shot fired against an iron target at Shoeburyness and broken</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21481/iridescent-crystals-in-zinc-rylandss-works-warrington</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412992/2-wire-rope-samples-c1850</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/559/large_cd0647_001_110315_lcmc_t893_1_2_cable_samples_c_1865.jpg</image:loc><image:title>2 wire rope samples c.1850</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22183/ashantee-weight-for-gold-called-bah</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/742/large_smg00089305.jpg</image:loc><image:title>Ashantee weight for gold called Bah</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413060/auger-bit-c1960</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/548/large_cd0646_061_110315_lcmc_t771_auger_bit.jpg</image:loc><image:title>Auger bit. C.1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410924/micro-lantern-attachment</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/720/large_smg00246079__0002_.jpg</image:loc><image:title>Micro-Lantern Attachment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/719/large_smg00246079__0001_.jpg</image:loc><image:title>Micro-Lantern Attachment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/722/large_smg00246079__0004_.jpg</image:loc><image:title>Micro-Lantern Attachment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/721/large_smg00246079__0003_.jpg</image:loc><image:title>Micro-Lantern Attachment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23173/uniform-black-glassy-blast-furnace-slag</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/450/large_smg00092563.jpg</image:loc><image:title>Uniform black glassy blast-furnace slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413472/bbc-gmr-microphone-part</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/240/485/large_cd0151_017_050830_cg_2005_86_6_microphone_part.jpg</image:loc><image:title>BBC GMR microphone part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410228/ferranti-model-332-clock</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/82/large_smg00247504.jpg</image:loc><image:title>Ferranti Model 332 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410476/ferranti-model-947-clock</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/74/large_smg00247497.jpg</image:loc><image:title>Ferranti Model 947 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22050/argentiferous-copper-matt-with-the-surface-showing-octahedral-crystals</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22959/northampton-iron-ore-used-at-the-dowlais-iron-works-1870</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/317/large_smg00095326.jpg</image:loc><image:title>Northampton iron ore, used at the Dowlais Iron Works, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22561/alloy-of-bismuth-with-10-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/447/large_smg00098019.jpg</image:loc><image:title>Alloy of bismuth with 10 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23710/three-links-of-a-chain-made-of-corngreavess-patent-compo</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/796/large_smg00095460.jpg</image:loc><image:title>Three links of a chain made of Corngreaves&apos;s patent compo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22652/nickel-ore-from-the-united-states-as-imported-for-the-nickel-works-of-evans-and-askin</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/471/large_smg00102136.jpg</image:loc><image:title>Nickel ore from the United States. As imported for the Nickel Works of Evans and Askin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413484/promotional-hat-for-bbc-radio-manchester</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/46/large_cd0610_012_100216_2005_86_18_bbc_manchester_union_jack_radio_manchester_cap.jpg</image:loc><image:title>Promotional Hat for BBC Radio Manchester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22797/series-of-experiments-on-the-production-of-silicified-iron-from-hard-red-haematite-containing-finely-divided-quartz</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/526/large_smg00095373.jpg</image:loc><image:title>Series of experiments on the production of  silicified iron from hard red haematite containing finely divided quartz</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22498/cerium-phosphide</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/467/large_smg00098061.jpg</image:loc><image:title>Cerium phosphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23686/melted-mass-of-carburetted-cast-iron</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/709/large_smg00094255.jpg</image:loc><image:title>Melted mass of carburetted cast iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412876/coal-miners-tally-stick</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/668/large_cd0661_046_110816_lcmc_t1899_4_tally_stick.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/724/large_smg00245822.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22149/gold-from-10-grains-of-copper-sheathing-of-hms-hound</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/386/large_smg00089322.jpg</image:loc><image:title>Gold from 10 grains of copper sheathing of H.M.S. &quot;Hound&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22271/tungstate-of-lime-formed-in-oxlands-process</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410701/ferranti-multilin-fss-114-206-integrated-circuit</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/238/large_cd0476_009_081219_1996_10_1370_ferranti_10a_electronic_components.jpg</image:loc><image:title>Ferranti Multilin FSS 114, 206 integrated circuit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411295/dye-sample</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/297/large_cd0128_013_050721_t_1999_55_21_diamine_violet.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/650/large_y1999_0055_0021__0002_.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/651/large_y1999_0055_0021__0003_.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/649/large_y1999_0055_0021__0001_.jpg</image:loc><image:title>Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22898/meteoric-iron-rusted-portion-reduced-by-hydrogen-gas-and-cooled-by-it</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/673/large_smg00097511.jpg</image:loc><image:title>Meteoric iron, rusted portion reduced by hydrogen gas and cooled by it</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939646/wooden-stereoscope</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/980/large_smg00452109.jpg</image:loc><image:title>Wooden Stereoscope.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22670/rich-nickel-speiss</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/706/large_smg00098120.jpg</image:loc><image:title>Rich nickel speiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410227/ferranti-electric-wall-clock</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/176/large_cd0457_002_081125_1996_10_895_ferranti_5e_clock.jpg</image:loc><image:title>Ferranti electric wall clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413377/metal-plates</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/662/large_cd0648_006_110315_lcmc_t379_2_metal_plates.jpg</image:loc><image:title>Metal plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22026/slag-from-smelting-silver-ore-in-the-flowing-furnace</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23823/altered-steel-bar-from-a-furnace-bottom</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/591/large_smg00001133.jpg</image:loc><image:title>Altered steel bar from a furnace bottom</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23582/specimens-of-bright-wires-which-have-been-subjected-to-trials-for-breaking-strain</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/740/large_smg00094709.jpg</image:loc><image:title>Specimens of bright wires which have been subjected to trials for breaking strain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22877/tungsten-steel-from-austria</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/656/large_smg00097472.jpg</image:loc><image:title>Tungsten steel from Austria</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8937683/compressed-bandage-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23187/blast-furnace-slag-from-the-herzog-auguste-hutte-furnaces-dillenburg</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/247/large_smg00093535.jpg</image:loc><image:title>Blast furnace slag from the Herzog-auguste Hutte furnaces, Dillenburg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410579/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/541/large_smg00249586.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412444/pair-of-coal-tongs</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/538/large_cd0405_016_080808_2002_19_543_lcm_coal_tongs.jpg</image:loc><image:title>Pair of coal tongs</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/685/large_smg00245757.jpg</image:loc><image:title>Pair of coal tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23051/second-specimen-of-haematite-from-mongas-near-lisbon</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/3/large_smg00092581.jpg</image:loc><image:title>Second specimen of haematite from Mongas, near Lisbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410743/ferranti-electric-heater</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/119/large_smg00247545.jpg</image:loc><image:title>Ferranti Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22516/oxide-of-magnesium</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/677/large_smg00098021.jpg</image:loc><image:title>Oxide of magnesium</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/449/large_smg00098021.jpg</image:loc><image:title>Oxide of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22856/alloy-of-iron-and-manganese-and-containing-carbon</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/496/large_smg00095313.jpg</image:loc><image:title>Alloy of iron and manganese, and containing carbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412160/miniature-safety-lamp</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/473/large_cd0402_017_080807_2002_19_112_lcm_miners_lamp.jpg</image:loc><image:title>Miniature safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/555/large_smg00245615.jpg</image:loc><image:title>Miniature safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411027/electric-bell-signal</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/576/large_cd0647_019_110315_lcmc_t429_bell_signal.jpg</image:loc><image:title>Electric bell signal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415589/ladybug-character-puppet-from-the-1996-disney-stop-motion-animation-film-james-and-the-giant-peach</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/981/large_cd0149_020_050825_cg_l2003_37_1_puppet.jpg</image:loc><image:title>Ladybug character puppet from the 1996 Disney stop-motion animation film &apos;James and the Giant Peach&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417317/picture-and-waveform-monitor-c-1960</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/457/large_smg00355571.jpg</image:loc><image:title>Picture and waveform monitor, c 1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411297/dye-sample</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/299/large_cd0128_015_050721_t_1999_55_23_diamine_green.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/653/large_y1999_0055_0023__0002_.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/654/large_y1999_0055_0023__0003_.jpg</image:loc><image:title>Dye Sample</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/652/large_y1999_0055_0023__0001_.jpg</image:loc><image:title>Dye Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21882/alloy-of-equal-parts-of-lead-bismuth-and-tin</loc><lastmod>2026-01-09T15:18:33.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/264/large_smg00001228.jpg</image:loc><image:title>Alloy of equal parts of lead, bismuth, and tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21907/long-primer-type-no11-made-in-1846</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/161/large_smg00001244.jpg</image:loc><image:title>Long primer type, No.11, made in 1846</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23353/white-iron</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/773/large_smg00093502.jpg</image:loc><image:title>White iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410729/model-207ifl-shell-fuse-nosecap</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/31/large_cd0440_020_081105_1996_10_1397_ferranti_2c_shell_fuse_nosecap.jpg</image:loc><image:title>Model 207.IFL shell fuse nosecap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22201/fragments-of-a-half-eagle-coin</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/413/large_smg00089351.jpg</image:loc><image:title>Fragments of a half eagle coin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410467/ferranti-type-tdm2020508-computer-monitor</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23708/corngreavess-patent-safe-undrillable-compo-rivets</loc><lastmod>2026-01-09T15:18:33.176Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/794/large_smg00095458.jpg</image:loc><image:title>Corngreaves&apos;s patent safe undrillable compo-rivets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22362/antimony-ore-and-gangue-from-borneo-pulverised</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410192/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/873/large_cd0442_016_081106_1996_10_860_ferranti_3c_volt_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23189/blast-furnace-iron-slag-from-the-united-states</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/263/large_smg00093552.jpg</image:loc><image:title>Blast-furnace iron-slag from the United States</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410366/radio-receiver-components</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/345/large_smg00246741.jpg</image:loc><image:title>Radio Receiver Components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/530/large_cd0505_011_090217_1996_10_1033_6_ferranti_19c_radio_receiver_part.jpg</image:loc><image:title>Radio Receiver Components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022335/leicaflex-slr-c-1965</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22306/inferior-tin-from-the-wheal-owles-mines-smelted-at-chyandour-1858</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23842/part-of-the-breach-of-a-cannon-showing-the-touch-hole-and-tube-after-firing-530-rounds</loc><lastmod>2026-01-09T15:18:33.543Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/607/large_smg00001150.jpg</image:loc><image:title>Part of the breach of a cannon showing the touch-hole and tube after firing 530 rounds</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410325/ferranti-silicon-chip-wafers</loc><lastmod>2026-01-09T15:18:30.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/39/large_cd0489_018_090109_1996_10_992_ferranti_11d_silicon_chip_wafer.jpg</image:loc><image:title>Ferranti silicon chip wafers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409967/ferranti-ac-electric-meter</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/285/large_cd0450_007_081111_1996_10_641_ferranti_4a_electric_consumption_meter.jpg</image:loc><image:title>Ferranti AC electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806901/lipiodol-ultra-fluide-5ml</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/473/large_smg00292444.jpg</image:loc><image:title>Lipiodol ultra-fluide 5ml</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22634/alloy-of-manganese-and-copper</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/342/large_smg00100793.jpg</image:loc><image:title>Alloy of manganese and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23540/iron-ore-reduced-by-chenots-process</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/731/large_smg00094700.jpg</image:loc><image:title>Iron ore reduced by Chenot&apos;s process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23523/fused-oxide-of-iron-taken-from-the-regenerator-of-one-of-the-furnaces-at-the-landore-siemens-steel-companys-works</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/751/large_smg00094721.jpg</image:loc><image:title>Fused oxide of iron taken from the regenerator of one of the furnaces at the Landore Siemens Steel Company&apos;s Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23863/specimens-illustating-the-effect-of-carbon-in-fusion</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/811/large_smg00102513.jpg</image:loc><image:title>Specimens illustating the effect of carbon in fusion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415679/abc-wax-printing-roller</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/544/large_cd0718_027_131217_2013_17_18_printing_roller_detail.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/546/large_cd0718_029_131217_2013_17_18_printing_roller.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/545/large_cd0718_028_131217_2013_17_18_printing_roller_detail.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410616/mazda-thermionic-valve</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/861/large_cd0494_006_090126_1996_10_1285_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/365/large_smg00243803.jpg</image:loc><image:title>Mazda thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23690/piece-of-homogeneous-metal</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/710/large_smg00094256.jpg</image:loc><image:title>Piece of homogeneous metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410553/ferranti-silicon-chip</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/837/large_cd0490_014_090113_1996_10_1222_ferranti_11d_silicon_chip.jpg</image:loc><image:title>Ferranti silicon chip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22031/argentiferous-copper-matt-black-hawk-colorado</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412259/miners-pay-check</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/649/large_smg00245720.jpg</image:loc><image:title>Miner&apos;s pay check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412510/wheel-coal-mining-use</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410955/photographic-material</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/834/large_smg00249979__0001_.jpg</image:loc><image:title>Photographic Material</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/835/large_smg00249979__0002_.jpg</image:loc><image:title>Photographic Material</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23014/clay-ironstone</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/157/large_smg00092640.jpg</image:loc><image:title>Clay ironstone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412517/fossilized-tree</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/211/large_cd0663_036_111004_lcmc_stigmaria_long_fossil.jpg</image:loc><image:title>Fossilized Tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/173/large_y2002_0019_0613__0003_.jpg</image:loc><image:title>Fossilized Tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/172/large_y2002_0019_0613__0002_.jpg</image:loc><image:title>Fossilized Tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/170/large_y2002_0019_0613__0001_.jpg</image:loc><image:title>Fossilized Tree</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410667/f-w-taylor-electric-meter</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/225/large_cd0475_017_081219_1996_10_1336_ferranti_8e_voltmeter.jpg</image:loc><image:title>F W Taylor electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21994/mixed-silver-ore-ground-to-powder</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23013/clay-ironstone-septarian-nodule-from-somerford-colliery-near-wolverhampton</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/168/large_smg00092651.jpg</image:loc><image:title>Clay ironstone septarian nodule, from Somerford Colliery, near Wolverhampton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22159/tailings-from-the-mill-at-the-california-mines</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417321/focus-supply-unit-c-1960</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23205/basic-slag-from-a-hot-blast-furnace-working-with-coke</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/253/large_smg00093541.jpg</image:loc><image:title>Basic slag from a hot-blast-furnace working with coke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23503/slag-from-an-unknown-locality</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/772/large_smg00094742.jpg</image:loc><image:title>Slag from an unknown locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22621/crystalline-silicon-prepared-by-dr-percy-in-1858</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/419/large_smg00089894.jpg</image:loc><image:title>Crystalline silicon, prepared by Dr. Percy in 1858</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23111/republic-iron-ore-from-lake-superior</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/844/large_smg00102118.jpg</image:loc><image:title>Republic iron ore from Lake Superior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019684/crookes-vacuum-tube-containing-a-mineral-sample</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/597/large_smg00174407.jpg</image:loc><image:title>Crookes vacuum tube containing a mineral sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413622/fire-extinguisher</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/270/large_cd0675_060_120105_lcmc_t3972_fire_extingisher.jpg</image:loc><image:title>Fire extinguisher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022350/rolleiflex-model-t</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/824/large_smg00453874.jpg</image:loc><image:title>Rolleiflex Model T</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23221/similar-mass-of-slag-with-the-intervening-matrix-in-places-of-a-deep-purple-blue</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/952/large_smg00092401.jpg</image:loc><image:title>Similar mass of slag, with the intervening matrix in places of a deep purple blue</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806902/ampoule-of-lipiodol-an-iodine-containing-x-ray-contrast-medium</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/474/large_smg00292445.jpg</image:loc><image:title>Ampoule of Lipiodol, an iodine-containing x-ray contrast medium.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21555/hollow-globules-obtained-by-heating-silicate-of-lead-with-charcoal</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/51/large_smg00098294.jpg</image:loc><image:title>Hollow globules obtained by heating silicate of lead with charcoal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411167/miners-oil-safety-lamp</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/645/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/644/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/648/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/647/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/646/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/649/large_y2002.jpg</image:loc><image:title>Miner&apos;s oil safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410427/ferranti-model-fh-electric-meter</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/505/large_cd0464_017_081211_1996_10_1097_1_ferranti_6b_electric_meter.jpg</image:loc><image:title>Ferranti model FH electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22425/arsenious-acid-as-a-sublimate-from-copper-works-from-the-mines-royal-copper-works</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/538/large_smg00088039.jpg</image:loc><image:title>Arsenious acid as a sublimate from copper works. From the Mines Royal Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415708/abc-wax-fabric-sample-new-fine-trail-design</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/749/large_cd0716_043_131216_2013_17__47_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;New Fine Trail&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412489/coal-sample</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/207/large_cd0663_032_111004_lcmc_piece_of_coal.jpg</image:loc><image:title>Coal sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410654/pegasus-valve-computer-part</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/223/large_cd0475_015_081219_1996_10_1323_ferranti_10a_valve_computer_parts.jpg</image:loc><image:title>Pegasus valve computer part</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/202/large_y1996_0010_1323__0002_.jpg</image:loc><image:title>Pegasus valve computer part</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/201/large_y1996_0010_1323__0001_.jpg</image:loc><image:title>Pegasus valve computer part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412542/carbon-monoxide-indicator-tubes</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/327/large_cd0674_015_120105_lcmc_carbon_monoxide_indicating_tubes.jpg</image:loc><image:title>Carbon monoxide indicator tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412991/haulage-rope-sample-wire-rope-sample-with-left-hand-lay</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/546/large_cd0646_058_110315_lcmc_t895_haulage_rope_sample.jpg</image:loc><image:title>haulage rope sample. Wire rope sample with left hand lay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22322/electro-deposited-tin-presented-by-mr-makin</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/720/large_smg00089273.jpg</image:loc><image:title>Electro-deposited tin. Presented by Mr. Makin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412524/bell-with-missing-cover-blue</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/568/large_cd0647_011_110315_lcmc_davis_darby_signal_bell3.jpg</image:loc><image:title>Bell with missing cover (blue)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21487/zinc-showing-a-very-large-crystalline-cleavage</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22197/complex-alloy-consisting-principally-of-gold</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/605/large_smg00089315.jpg</image:loc><image:title>Complex alloy consisting principally of gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21682/silvery-micaceous-litharge</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/767/large_smg00098325.jpg</image:loc><image:title>Silvery micaceous litharge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22300/samples-of-crystals-of-tin</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/712/large_smg00089265.jpg</image:loc><image:title>Samples of crystals of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22588/alloy-of-aluminium-and-copper-tested-for-electric-conductivity</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/304/large_smg00097980.jpg</image:loc><image:title>Alloy of aluminium and copper tested for electric conductivity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21485/sheet-zinc-rolled-cold</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22207/ordinary-spurious-sovereign</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/415/large_smg00089354.jpg</image:loc><image:title>Ordinary spurious sovereign.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411193/quaker-house-colliery-tally-board</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/240/large_cd0620_014_100513_t2044_quaker_house_colliery_tally_board.jpg</image:loc><image:title>Quaker House Colliery tally board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22998/lywynenion-ironstone</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/289/large_smg00095270.jpg</image:loc><image:title>Lywynenion ironstone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21755/residual-blicksliber-from-the-process</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/694/large_smg00096588.jpg</image:loc><image:title>Residual Blicksliber from the process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23183/blast-furnace-slag-produced-in-making-bessemer-pig-iron-at-the-royal-marienhutte-iron-works</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/264/large_smg00093553.jpg</image:loc><image:title>Blast-furnace slag produced in making Bessemer pig iron at the Royal Marienhutte Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410927/microscope-case</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/731/large_smg00246083__0001_.jpg</image:loc><image:title>Microscope Case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/732/large_smg00246083__0002_.jpg</image:loc><image:title>Microscope Case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/734/large_smg00246083__0004_.jpg</image:loc><image:title>Microscope Case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/733/large_smg00246083__0003_.jpg</image:loc><image:title>Microscope Case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412203/the-protector-lamp-and-lighting-co-ltd-type-ct33a-combustion-tube-safety-lamp</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/478/large_cd0402_022_080807_2002_19_166_lcm_miners_lamp.jpg</image:loc><image:title>The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/534/large_smg00245593.jpg</image:loc><image:title>The Protector Lamp and Lighting Co. Ltd type CT33A combustion tube safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22937/iron-ore-from-the-crane-iron-works</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/343/large_smg00095393.jpg</image:loc><image:title>Iron ore from the &quot;Crane&quot; Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22919/earthy-red-haematite-from-somersetshire</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/351/large_smg00095401.jpg</image:loc><image:title>Earthy red haematite from Somersetshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939854/a-symmetrical-lens-in-a-rigid-mount</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/633/large_smg00452237.jpg</image:loc><image:title>A Symmetrical Lens in a Rigid Mount.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23106/native-honeycomb-iron-ore-smelted-at-the-dunbar-iron-furnaces-pennsylvania</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/857/large_smg00102131.jpg</image:loc><image:title>Native honeycomb iron ore, smelted at the Dunbar Iron Furnaces, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21650/pounded-white-slag-from-ore-hearth</loc><lastmod>2026-01-09T15:18:34.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/72/large_smg00098315.jpg</image:loc><image:title>Pounded white slag from ore hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412434/exploder-key-c-1960</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/537/large_cd0405_015_080808_2002_19_531_lcm_exploder_key.jpg</image:loc><image:title>Exploder key, c. 1960</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/513/large_smg00249549.jpg</image:loc><image:title>Exploder key, c. 1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23227/group-of-crystalline-slags-from-the-blast-furnaces-of-the-aberdare-iron-works</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22610/an-ingot-of-tellurium</loc><lastmod>2026-01-09T15:18:34.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/256/large_smg00089923.jpg</image:loc><image:title>An ingot of tellurium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23009/nodule-of-clay-ironstone-containing-massive-iron-pyrites-in-large-crystals</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/167/large_smg00092650.jpg</image:loc><image:title>Nodule of clay ironstone, containing massive iron pyrites in large crystals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413023/air-hose-for-pneumatic-rescue-equipment</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22512/didymium-sulphide</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/459/large_smg00098047.jpg</image:loc><image:title>Didymium sulphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410278/ferranti-model-a233f-electric-meter</loc><lastmod>2026-01-09T15:18:35.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/345/large_cd0471_006_081212_1996_10_946_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model A233F electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019678/crookes-vacuum-tube-containing-a-mineral-sample</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/607/large_smg00174419.jpg</image:loc><image:title>Crookes vacuum tube containing a mineral sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22128/gold-from-300-grains-of-dried-lead-fume-from-alport-lead-works</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/326/large_smg00087980.jpg</image:loc><image:title>Gold from 300 grains of dried lead fume. From Alport Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22965/oolitic-iron-ore-from-the-tealby-series</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/314/large_smg00095323.jpg</image:loc><image:title>Oolitic iron ore from the Tealby Series</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412269/inkwell-and-pen-stand-consisti</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/527/large_cd0405_005_080808_2002_19_290_lcm_inkwell.jpg</image:loc><image:title>Inkwell and pen stand consisti</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/917/large_smg00246035.jpg</image:loc><image:title>Inkwell and pen stand consisti</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410373/ferranti-electric-coil</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/43/large_cd0489_022_090113_1996_10_1040_ferranti_11b_electric_coil.jpg</image:loc><image:title>Ferranti electric coil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23181/slag-which-collects-in-the-cowper-hot-blast-stoves-when-the-furnaces-are-making-spiegeleisen</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/972/large_smg00092549.jpg</image:loc><image:title>Slag which collects in the Cowper hot-blast stoves when the furnaces are making spiegeleisen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23159/pink-coloured-blast-furnace-slag-from-the-glengarnock-iron-works</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/976/large_smg00092553.jpg</image:loc><image:title>Pink-coloured blast-furnace slag from the Glengarnock Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22535/falsely-called-black-phosphide-of-magnesium</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/454/large_smg00098026.jpg</image:loc><image:title>Falsely called black phosphide of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22017/the-ground-calcined-white-metal-recalcined-for-the-production-of-sulphate-of-silver</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/249/large_smg00045071.jpg</image:loc><image:title>The ground calcined white metal recalcined for the production of sulphate of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22594/sublimate-which-condenses-in-the-cooler-upper-part-of-cowles-electric-furnace</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/674/large_smg00097973.jpg</image:loc><image:title>Sublimate which condenses in the cooler, upper part of Cowles electric furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22242/result-of-fusing-together-haematite</loc><lastmod>2026-01-09T15:18:35.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412470/drill-bits-coal-mining-use</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/312/large_cd0625_063_100723_lcmc_3_drill_heads.jpg</image:loc><image:title>Drill bits, coal mining use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23283/old-horse-or-part-of-the-bottom-of-an-iron-blast-furnace-at-beaufort-iron-works</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/838/large_smg00102112.jpg</image:loc><image:title>Old horse or part of the bottom of an iron blast furnace at Beaufort Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22551/alloy-of-cadmium-with-10-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/438/large_smg00098008.jpg</image:loc><image:title>Alloy of cadmium with 10 per cent of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21989/silver-ore-form-mexico</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/696/large_smg00089235.jpg</image:loc><image:title>Silver ore form Mexico</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410215/ferranti-model-miab25-electric-meter</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/318/large_cd0451_018_081111_1996_10_883_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti model MIAB25 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23692/small-bar-of-steel-of-very-silky-fracture</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/785/large_smg00095449.jpg</image:loc><image:title>Small bar of steel of very silky fracture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413498/bbc-radio-manchester-audiopak</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/249/large_cd0620_046_100527_2005_86_32_professional_audio_cassette_tape_used_by_radio_manchester.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/973/large_smg00247369.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415934/ferranti-ltd-model-255-valve-radio-receiver</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23239/grey-blast-furnace-slag-with-a-banded-glassy-border</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/940/large_smg00092388.jpg</image:loc><image:title>Grey blast-furnace slag with a banded glassy border</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23522/iron-slag-locality-and-process-unknown</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/745/large_smg00094715.jpg</image:loc><image:title>Iron slag, locality and process unknown</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22583/aluminium-prepared-from-cryolite-by-means-of-sodium</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/300/large_smg00097976.jpg</image:loc><image:title>Aluminium prepared from cryolite by means of sodium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21493/impure-zinc</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21710/samples-of-hard-lead</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/702/large_smg00096597.jpg</image:loc><image:title>Samples of hard lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23762/section-of-one-of-these-steel-rails-which-has-been-tested</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/419/large_smg00102101.jpg</image:loc><image:title>Section of one of these steel rails which has been tested</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410438/ferranti-model-p3120-electric-heater</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/486/large_smg00246944.jpg</image:loc><image:title>Ferranti Model P3120 Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410561/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/162/large_smg00250636.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410205/ferranti-model-ns-electric-meter</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/333/large_cd0470_016_081212_1996_10_873_ferranti_8c_electric_meter.jpg</image:loc><image:title>Ferranti model NS electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410503/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/194/large_cd0453_002_081118_1996_10_1172_ferranti_4b_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21993/bismuth-silver-ore-from-the-geneva-district-colorado</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/698/large_smg00089237.jpg</image:loc><image:title>Bismuth-silver ore from the Geneva district, Colorado</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23406/standard-forge-pig-iron-dunbar-iron-works-pennsylvania</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/694/large_smg00093456.jpg</image:loc><image:title>Standard forge pig-iron, Dunbar Iron Works, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22206/mystery-gold</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/378/large_smg00089312.jpg</image:loc><image:title>Mystery gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411956/set-of-three-enamelled-coal-mine-workforce-warning-signs-mounted-together</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/351/large_cd0627_025_100723_lcmc_3_electricity_in_mines_sign.jpg</image:loc><image:title>Set of three enamelled coal mine workforce warning signs mounted together</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/553/large_smg00249603.jpg</image:loc><image:title>Set of three enamelled coal mine workforce warning signs mounted together</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23458/another-specimen-from-the-same-furnaces</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/649/large_smg00093405.jpg</image:loc><image:title>Another specimen from the same furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21928/result-of-heating-together-one-equivalent-of-sulphide-of-silver-with-four-of-oxide-of-lead</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/169/large_smg00001265.jpg</image:loc><image:title>Result of heating together one equivalent of sulphide of silver with four of oxide of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23532/piece-of-flue-cinder-from-an-unknown-locality</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/758/large_smg00094728.jpg</image:loc><image:title>Piece of flue cinder from an unknown locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22107/spanish-dollar</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/349/large_smg00088017.jpg</image:loc><image:title>Spanish dollar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409963/demonstration-of-a-simple-mercury-meter</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/283/large_cd0450_005_081111_1996_10_637_ferranti_4c_meter.jpg</image:loc><image:title>Demonstration of a simple mercury meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23477/crystals-of-silicate-of-iron-from-the-collection-of-col-yorke</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/614/large_smg00093370.jpg</image:loc><image:title>Crystals of silicate of iron from the collection of Col. Yorke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21699/silver-powder-left-as-residue-after-zinc-distilled-off</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/20/large_smg00098195.jpg</image:loc><image:title>Silver powder left as residue, after zinc distilled off</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22700/crude-nickel-communicated-by-mr-ekman</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/713/large_smg00100802.jpg</image:loc><image:title>Crude nickel, communicated by Mr. Ekman</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23787/flat-spring-wire-for-ordinary-english-watch</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/394/large_smg00102071.jpg</image:loc><image:title>Flat-spring wire for ordinary English watch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22152/gold-from-2000-grains-of-bismuth</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/391/large_smg00089327.jpg</image:loc><image:title>Gold from 2,000 grains of bismuth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22427/orpiment-from-china</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/539/large_smg00088040.jpg</image:loc><image:title>Orpiment from China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410173/elliott-brothers-electric-meter</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/887/large_cd0443_008_081106_1996_10_841_ferranti_3c_electric_meter.jpg</image:loc><image:title>Elliott Brothers electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23719/steel-showing-irregularities-in-its-hardness</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/831/large_smg00095495.jpg</image:loc><image:title>Steel showing irregularities in its hardness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805094/enclosure-for-hardware-speech-synthesizer-with-nasa-sticker</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/914/large_smg00721968__0001_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer with NASA sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/916/large_smg00721968__0003_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer with NASA sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/918/large_smg00721968__0005_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer with NASA sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/915/large_smg00721968__0002_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer with NASA sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/917/large_smg00721968__0004_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer with NASA sticker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22373/product-from-smelting-antimony-ore-in-borneo</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23811/piece-of-bessemer-steel</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/550/large_smg00001089.jpg</image:loc><image:title>Piece of Bessemer steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23838/rust-scaled-from-the-horizontal-part-of-house-railings-in-lincolns-inn-fields</loc><lastmod>2026-01-09T15:18:36.264Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22154/auriferous-iron-sand-from-africa-from-the-river-lombige-district-of-golungo-alto</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/403/large_smg00089339.jpg</image:loc><image:title>Auriferous iron sand from Africa. From the River Lombige district of Golungo Alto</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22331/bar-of-tin-from-the-first-ton-of-colonial-tin</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410626/everready-thermionic-valve</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/163/large_cd0484_010_090106_1996_10_1295_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>EverReady thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/142/large_smg00243515.jpg</image:loc><image:title>EverReady thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412889/board-for-storing-lamp-checks</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/259/large_cd0628_018_100730_lcmc_t183_1_check_tally_board.jpg</image:loc><image:title>Board for storing lamp checks</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/462/large_smg00243926.jpg</image:loc><image:title>Board for storing lamp checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23380/pig-iron-rich-in-phosphorus</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/464/large_smg00093432.jpg</image:loc><image:title>Pig-iron rich in phosphorus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415620/baseball-cap-worn-by-paul-berry-on-the-set-of-the-20th-century-fox-film-monkeybone-2001</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/222/714/large_cd0251_006_061103_y2012_21_56_monkeybone_baseball_cap.jpg</image:loc><image:title>Baseball cap worn by Paul Berry on the set of the 20th Century Fox film Monkeybone (2001)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22317/best-refined-tin</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/727/large_smg00089282.jpg</image:loc><image:title>Best refined tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410272/mullard-cathode-ray-tube</loc><lastmod>2026-01-09T15:18:36.567Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/99/large_cd0482_012_090102_1996_10_940_ferranti_10e_cathode_ray_tube.jpg</image:loc><image:title>Mullard cathode ray tube</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/194/large_y1996_0010_0940__0002_.jpg</image:loc><image:title>Mullard cathode ray tube</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/195/large_y1996_0010_0940__0003_.jpg</image:loc><image:title>Mullard cathode ray tube</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/193/large_y1996_0010_0940__0001_.jpg</image:loc><image:title>Mullard cathode ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22073/clay-between-the-bricks-of-a-calcining-furnace-showing-absorption-of-silver-llanelly-lead-works</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/328/large_smg00087995.jpg</image:loc><image:title>Clay between the bricks of a calcining furnace showing absorption of silver. Llanelly Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410660/hilger-and-watts-radar-information-reader</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/53/large_cd0441_020_081105_1996_10_1329_ferranti_2c_radar_information_reader.jpg</image:loc><image:title>Hilger &amp; Watts radar information reader</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410501/ferranti-slices-for-planer-transistors</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/761/large_cd0496_019_090130_1996_10_1170_ferranti_11e_slices_of_planer_transistors.jpg</image:loc><image:title>Ferranti slices for planer transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21782/lead-slag-bleischlacke</loc><lastmod>2026-01-09T15:18:36.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/534/large_smg00095109.jpg</image:loc><image:title>Lead slag, &quot;Bleischlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23289/a-white-substance-which-peels-off-the-surface-of-iron-castings</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/455/large_smg00092700.jpg</image:loc><image:title>A white substance which peels off the surface of iron castings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022399/elmar-f4-90mm-lens</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/945/large_smg00362550.jpg</image:loc><image:title>Elmar F.4 90mm lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415888/ferranti-mains-electric-clock</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412291/mining-officials-leather-cap</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/551/large_cd0406_018_080815_2002_19_353_lcm_leather_headwear.jpg</image:loc><image:title>Mining official&apos;s leather cap</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/800/large_smg00245903.jpg</image:loc><image:title>Mining official&apos;s leather cap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22353/massive-sulphide-of-antimony-produced-by-fusing-the-precipitated-sulphide</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413015/colliery-sign-no-unauthorised-persons-to-ride-on-tubs</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23192/blast-furnace-slag-from-smelting-ores-containing-titanium-at-espedal</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/255/large_smg00093543.jpg</image:loc><image:title>Blast-furnace slag from smelting ores containing titanium at Espedal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23317/masses-of-furnace-calamine-removed-from-a-few-feet-below-the-filling-plates-at-the-russell-hall-iron-furnace</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/194/large_smg00092678.jpg</image:loc><image:title>Masses of furnace calamine removed from a few feet below the filling plates at the Russell Hall Iron Furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22359/oxide-of-antimony-from-new-south-wales</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22943/a-mixed-ore-from-the-mines-at-perran</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/345/large_smg00095395.jpg</image:loc><image:title>A mixed ore from the mines at Perran</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22850/alloy-of-10-of-copper-and-3-of-iron-experiment-by-j-richardson</loc><lastmod>2026-01-09T15:18:36.937Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/489/large_smg00095305.jpg</image:loc><image:title>Alloy of 10 of copper and 3 of iron, experiment by J. Richardson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23418/spiegeleisen-from-an-unknown-locality</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/650/large_smg00093406.jpg</image:loc><image:title>Spiegeleisen from an unknown locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22168/two-specimens-of-gold-leaf-which-has-been-overheated</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806899/lipiodol-ultra-fluide-5ml</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/471/large_smg00292442.jpg</image:loc><image:title>Lipiodol ultra-fluide 5ml</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410175/thermionic-valve-type-50l6</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/20/large_cd0488_021_090109_1996_10_843_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>thermionic valve, type 50L6</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/21/large_smg00243381.jpg</image:loc><image:title>thermionic valve, type 50L6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23715/piece-of-blister-steel-with-two-large-hollow-blisters</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/829/large_smg00095493.jpg</image:loc><image:title>Piece of blister-steel with two large hollow blisters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410439/ferranti-model-f3117-heater</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23388/light-fluid-iron</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/677/large_smg00093437.jpg</image:loc><image:title>Light fluid iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410394/audix-loudspeaker</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23877/similar-to-3701-and-3702-with-many-of-the-crystals-seen-on-the-flat-side</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/605/large_smg00001147.jpg</image:loc><image:title>Similar to 3701 and 3702, with many of the crystals seen on the flat side</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22558/amalgam-containing-7-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/444/large_smg00098014.jpg</image:loc><image:title>Amalgam containing 7 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412967/miners-clogs</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806907/ampoule-of-lipiodol-an-iodine-containing-x-ray-contrast-medium</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/480/large_smg00292452.jpg</image:loc><image:title>Ampoule of Lipiodol, an iodine-containing x-ray contrast medium.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939797/lumar-anastigmat-lens-f45-4-fl</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/187/large_smg00452457.jpg</image:loc><image:title>Lumar Anastigmat Lens F.4.5 4&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22957/iron-ore-from-the-north-of-ireland</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/328/large_smg00095337.jpg</image:loc><image:title>Iron ore from the north of Ireland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21626/calcined-ore</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/822/large_smg00095203.jpg</image:loc><image:title>Calcined ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410490/ferranti-model-fnab34q-electric-meter</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/517/large_cd0465_013_081211_ferranti_ltd_electric_meter.jpg</image:loc><image:title>Ferranti model FNAB34Q electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411020/mines-and-quarries-act-1954-notice</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/15/large_cd0659_050_110809_lcmc_t447_notice.jpg</image:loc><image:title>&quot;Mines and Quarries Act 1954&quot; notice</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415909/ferranti-ltd-model-ns-electric-meter</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412076/j-h-rothwell-and-co-miners-oil-safety-lamp</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/452/large_cd0401_018_080807_2002_19_6_lcm_miners_lamp.jpg</image:loc><image:title>J H Rothwell &amp; Co. miner&apos;s oil safety lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/561/large_smg00245621.jpg</image:loc><image:title>J H Rothwell &amp; Co. miner&apos;s oil safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410194/frahms-frequency-indicator</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/871/large_cd0442_014_081106_1996_10_862_ferranti_3b_frequency_indicator.jpg</image:loc><image:title>Frahm&apos;s frequency indicator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22245/result-of-heating-copper-pyrites-with-cassiterite</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22011/white-metal</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/419/large_smg00089360.jpg</image:loc><image:title>White metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21988/ruby-silver-ore-from-sheridan-mine</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/695/large_smg00089234.jpg</image:loc><image:title>Ruby silver ore from Sheridan Mine</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/868/large_smg00089234.jpg</image:loc><image:title>Ruby silver ore from Sheridan Mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22706/imported-granulated-nickel</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/714/large_smg00100803.jpg</image:loc><image:title>Imported granulated nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21457/incrustation-on-the-inner-surface-on-top-of-silesian-zinc-pot</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410752/arc-light-rectifier</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/246/515/large_cd0106_011_050607_cs4_1996_10_1417_arc_light_rectifier.jpg</image:loc><image:title>Arc light rectifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939800/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/607/large_smg00452141.jpg</image:loc><image:title>Kodak Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410336/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/178/large_cd0457_004_081125_1996_10_1003_ferranti_7a_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23650/pig-of-recast-refined-iron-produced-at-the-pont-y-mister-tin-plate-works</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22124/gold-from-2000-grains-of-lead-from-tuscany-called-coridi</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/318/large_smg00087972.jpg</image:loc><image:title>Gold from 2,000 grains of lead from Tuscany called Coridi</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410426/electric-meter</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/504/large_cd0464_016_081211_1996_10_1096_ferranti_6c_electric_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410614/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/859/large_cd0494_004_090126_1996_10_1283_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/373/large_smg00243811.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412536/air-hose-for-pneumatic-equipment</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/326/large_cd0626_007_100723_lcmc_rescue_apparatus_hose.jpg</image:loc><image:title>Air hose for pneumatic equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022389/leitz-leica-flash-lamp-c-1948</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410266/ferranti-electric-heater</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/472/large_smg00246925.jpg</image:loc><image:title>Ferranti Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22048/furnace-bottom-product-containing-metallic</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410259/electric-room-heater</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/236/920/large_cd0183_011_051021_cs1_1996_10_927_electric_fire.jpg</image:loc><image:title>Electric room heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23113/washington-iron-ore-from-lake-superior</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/855/large_smg00102129.jpg</image:loc><image:title>Washington iron ore from Lake Superior</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21609/carbonate-of-lead-cerussite-from-the-evening-star-mine-leadville-colorado</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/545/large_smg00095124.jpg</image:loc><image:title>Carbonate of lead, &quot;cerussite,&quot; from the Evening Star Mine, Leadville, Colorado</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21977/fused-chloride-of-silver-from-africa</loc><lastmod>2026-01-09T15:18:37.797Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/590/large_smg00089229.jpg</image:loc><image:title>Fused chloride of silver from Africa</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/866/large_smg00089229.jpg</image:loc><image:title>Fused chloride of silver from Africa</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23308/mass-of-cyano-nitride-of-titanium-imbedded-in-pig-iron</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/184/large_smg00092668.jpg</image:loc><image:title>Mass of cyano-nitride of titanium imbedded in pig iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22239/oxide-of-tin-fused-into-a-glassy-form</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23835/key-which-has-lain-for-some-time-in-the-bed-of-the-thames</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/413/large_smg00102095.jpg</image:loc><image:title>Key which has lain for some time in the bed of the Thames</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22037/crude-bullion-or-retorted-amalgam-from-crown-point-mine</loc><lastmod>2026-01-09T15:18:38.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23154/iron-slag-with-titanic-acid-no3</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/964/large_smg00092541.jpg</image:loc><image:title>Iron slag with titanic acid No.3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22945/brown-haematite-from-froghall</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/347/large_smg00095397.jpg</image:loc><image:title>Brown haematite from Froghall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412984/9-dummy-wire-detonators</loc><lastmod>2026-01-09T15:18:38.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/266/large_cd0664_020_111004_lcmc_t909_wire_detonators.jpg</image:loc><image:title>9 dummy wire detonators</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410696/silicon-chip-wafer</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/230/large_cd0475_022_081219_1996_10_1365_3_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/228/large_cd0475_020_081219_1996_10_1365_1_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/229/large_cd0475_021_081219_1996_10_1365_2_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/233/large_cd0476_003_081219_1996_10_1365_6_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/232/large_cd0476_002_081219_1996_10_1365_5_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/231/large_cd0476_001_081219_1996_10_1365_4_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/234/large_cd0476_004_081219_1996_10_1365_7_ferranti_10a_silicon_chip_wafer.jpg</image:loc><image:title>silicon chip wafer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23795/broken-main-spring-from-a-very-large-time-piece</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/864/large_smg00089927.jpg</image:loc><image:title>Broken main-spring from a very large time-piece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412905/conveyor-belt-cutter</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/350/large_cd0626_031_100723_lcmc_t314_conveyor_belt_cutter.jpg</image:loc><image:title>Conveyor belt cutter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939718/anastigmat-lens-f4-5-fl</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413476/bbc-gmr-mug</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/240/486/large_cd0151_018_050830_cg_2005_86_10_mug.jpg</image:loc><image:title>BBC GMR mug</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939847/projection-lens</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/619/large_smg00452154.jpg</image:loc><image:title>Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412374/miners-combustion-tube-safety-lamp-type-ct33a-made-by-protector-lamp-and-lighting-co-ltd-c1935</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/496/large_cd0403_018_080807_2002_19_498_lcm_miners_lamp.jpg</image:loc><image:title>Miner&apos;s combustion tube safety lamp, Type CT33A, made by Protector Lamp and Lighting Co. Ltd c.1935</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/625/large_smg00245690.jpg</image:loc><image:title>Miner&apos;s combustion tube safety lamp, Type CT33A, made by Protector Lamp and Lighting Co. Ltd c.1935</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411032/drill-motor</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/331/large_cd0626_012_100723_lcmc_t_411_drill_motor.jpg</image:loc><image:title>Drill motor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23278/fume-from-the-stanhope-iron-furnace</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/460/large_smg00092717.jpg</image:loc><image:title>Fume from the Stanhope Iron Furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22369/the-antimony-which-has-been-liquated-out-of-the-ore</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409934/ferranti-type-a1f-moving-coil-milliammeter</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/775/large_cd0449_020_081111_1996_10_608_ferranti_4e_ammeter.jpg</image:loc><image:title>Ferranti type A1F moving coil milliammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412242/fire-tryers-davy-lamp-by-john-davis-and-son</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/728/large_cd0088_012_050301_ms_2002_19_232_davy_lamp.jpg</image:loc><image:title>Fire tryers&apos; Davy lamp by John Davis &amp; Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22524/result-of-heating-together-2-grains-of-magnesium-with-1-12-grains-of-silica</loc><lastmod>2026-01-09T15:18:38.446Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/426/large_smg00097996.jpg</image:loc><image:title>Result of heating together 2 grains of magnesium with 1 1/2 grains of silica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22565/attempt-at-an-alloy-of-nickel-and-magnesium</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/314/large_smg00097991.jpg</image:loc><image:title>Attempt at an alloy of nickel and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21913/repetition-of-plattners-experiment-on-the-action-of-oxygen-on-finely-divided-silver-at-a-red-heat</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/268/large_smg00001251.jpg</image:loc><image:title>Repetition of Plattner&apos;s experiment on the action of oxygen on finely divided silver at a red heat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21649/slag-from-slag-hearth-in-smelting-inferior-ore</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/71/large_smg00098314.jpg</image:loc><image:title>Slag from slag hearth in smelting inferior ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21475/residium-of-the-zinc-pots-vivians-works-swansea</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22379/antimony-obtained-by-reducing-the-native-oxide-by-charcoal</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410933/box-microscope</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/719/large_smg00245817.jpg</image:loc><image:title>Box Microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410559/ferranti-model-zt930971-silicon-chip-wafer</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/842/large_cd0490_019_090113_1996_10_1228_ferranti_11d_silicon_chip.jpg</image:loc><image:title>Ferranti model ZT930971 silicon chip wafer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410974/diffraction-grating</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/699/large_smg00245776.jpg</image:loc><image:title>Diffraction Grating</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22339/alloy-of-tin-containing-10-per-cent-of-arsenic-communicated-by-d-watson</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22814/production-of-slag-by-the-union-of-haematite-and-limestone</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/528/large_smg00095375.jpg</image:loc><image:title>Production of slag by the union of haematite and limestone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22445/chromate-of-copper</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415748/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21880/alloy-of-four-parts-of-lead-one-of-bismuth-and-three-of-tin</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/148/large_smg00001217.jpg</image:loc><image:title>Alloy of four parts of lead, one of bismuth, and three of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23071/natural-lodestone-from-the-cape-of-good-hope</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/991/large_smg00092569.jpg</image:loc><image:title>Natural lodestone from the Cape of Good Hope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410455/ferranti-model-t1093-television</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/242/58/large_cd0148_026_050824_cg_1996_10_1125_television.jpg</image:loc><image:title>Ferranti Model T1093 television</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23844/section-of-old-single-head-rail-used-by-the-north-eastern-railway-company</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/548/large_smg00001087.jpg</image:loc><image:title>Section of old single head rail used by the North-Eastern Railway Company</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22216/palladium-electro-deposited-on-copper-by-the-late-th-henry</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/379/large_smg00089313.jpg</image:loc><image:title>Palladium electro-deposited on copper. By the late T.H. Henry</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22949/botryoidal-and-stalactitic-brown-haematite</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/354/large_smg00095404.jpg</image:loc><image:title>Botryoidal and stalactitic brown haematite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412283/key-fob-issued-by-edward-ormerod-and-co-ltd</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/630/large_smg00244115.jpg</image:loc><image:title>Key fob issued by Edward Ormerod &amp; Co. Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410741/ferranti-corona-model-8184-heater</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/125/large_smg00247554.jpg</image:loc><image:title>Ferranti Corona Model 8184 Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22739/sample-french-coin</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/369/large_smg00102161.jpg</image:loc><image:title>Sample French coin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412973/model-coal-tub-1966</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/220/large_cd0663_045_111004_lcmc_t93_2_model_mine_cart.jpg</image:loc><image:title>Model coal tub, 1966.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22275/slag-from-tin-smelting-at-gyenap</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412513/ici-explosive-sample-display</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/350/large_cd0627_024_100723_ici_explosive_sample_display_board.jpg</image:loc><image:title>ICI Explosive Sample Display</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/627/large_smg00244277.jpg</image:loc><image:title>ICI Explosive Sample Display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412222/identity-tag-from-1-cwt-coal-sack</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/340/large_smg00245698.jpg</image:loc><image:title>Identity tag from 1 cwt coal sack</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410591/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/125/large_cd0483_011_090102_1996_10_1260_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/155/large_smg00243528.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415614/crew-jacket-worn-by-paul-berry</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/935/large_cd0279_006_070309_l2003_37_26_paul_berry_monkey_bone_jacket.jpg</image:loc><image:title>Crew jacket worn by Paul Berry</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23777/iron-coin-issued-by-the-chinese-emperor-in-1857</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/424/large_smg00102106.jpg</image:loc><image:title>Iron coin issued by the Chinese Emperor in 1857</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23316/blast-furnace-calamine</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/189/large_smg00092673.jpg</image:loc><image:title>Blast-furnace calamine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410207/ferranti-ammeter</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/99/large_smg00250565.jpg</image:loc><image:title>Ferranti Ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413495/promotional-umbrella-bbc-radio-manchester</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/64/large_cd0611_008_100216_2005_86_29_bbc_manchester_umberella_with_logo.jpg</image:loc><image:title>Promotional Umbrella; BBC Radio Manchester</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/63/large_cd0611_007_100216_2005_86_29_bbc_manchester_umberella_with_logo.jpg</image:loc><image:title>Promotional Umbrella; BBC Radio Manchester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21797/banded-slag</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/524/large_smg00095097.jpg</image:loc><image:title>Banded slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939799/aldis-uno-anastigmat-lens</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/612/large_smg00452147.jpg</image:loc><image:title>Aldis &apos;UNO&apos; Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22346/tin-alloyed-with-tungsten</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/734/large_smg00089289.jpg</image:loc><image:title>Tin alloyed with tungsten</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23837/piece-of-an-old-cannon-ball-taken-out-of-falmouth-harbour</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/810/large_smg00102510.jpg</image:loc><image:title>Piece of an old cannon ball taken out of Falmouth Harbour</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409968/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/77/large_smg00250537.jpg</image:loc><image:title>Ferranti Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410757/ferranti-memorial-trophy</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/926/large_cd0678_062_120213_1996_10_1451_ferranti_j_h_lord_trophy.jpg</image:loc><image:title>Ferranti memorial trophy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410483/ferranti-clock</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/511/large_cd0465_001_081211_1996_10_1152_ferranti_5e_clock.jpg</image:loc><image:title>Ferranti clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21463/portion-of-an-old-belgian-zinc-retort-used-at-the-spelter-works-dee-bank</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412981/hammer-head</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22115/silver-dollar-of-charles-ii-of-spain-struck-in-mexico-1781</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/344/large_smg00088012.jpg</image:loc><image:title>Silver dollar of Charles II of Spain, struck in Mexico, 1781</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410374/siemen-bros-ammeter</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/501/large_cd0464_013_081211_1996_10_1041_ferranti_7c_ammeter.jpg</image:loc><image:title>Siemen Bros ammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23713/bar-of-iron-and-steel-piled-and-drawn-out-by-rolling</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/798/large_smg00095462.jpg</image:loc><image:title>Bar of iron and steel, piled and drawn out by rolling</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22375/the-flux-used-in-smelting-the-antimony-ore</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21752/first-skimming-abstrich</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/690/large_smg00096583.jpg</image:loc><image:title>First skimming, &quot;Abstrich&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23432/arborescent-crystals-of-cast-iron-from-staffordshire</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/655/large_smg00093412.jpg</image:loc><image:title>Arborescent crystals of cast iron, from Staffordshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410640/thermionic-valve-type-1242h9</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/167/large_cd0484_014_090106_1996_10_1309_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Thermionic valve, type 1242H9</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/315/large_smg00243738.jpg</image:loc><image:title>Thermionic valve, type 1242H9</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22648/rough-kupfernickel-coated-with-green</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/417/large_smg00089889.jpg</image:loc><image:title>Rough kupfernickel coated with green</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22204/gold-plated-electrotype</loc><lastmod>2026-01-09T15:18:39.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/683/large_smg00088105.jpg</image:loc><image:title>Gold-plated electrotype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/863/large_smg00088105.jpg</image:loc><image:title>Gold-plated electrotype</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23790/hair-spring-for-a-small-watch</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/459/large_smg00089930.jpg</image:loc><image:title>Hair-spring for a small watch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23636/ingot-of-no3-steel-from-english-iron-and-english-bar-iron</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/480/large_smg00094222.jpg</image:loc><image:title>Ingot of no.3 steel from English iron and English bar-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410587/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/166/large_smg00250642.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23315/metallic-zinc-in-the-crevices-of-a-blast-furnace</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/202/large_smg00092686.jpg</image:loc><image:title>Metallic zinc in the crevices of a blast furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410659/argus-200-ferrite-pegs</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/185/large_smg00243568.jpg</image:loc><image:title>Argus 200 ferrite pegs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22962/series-of-specimens-5-of-iron-ore-from-banbury</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410555/ferranti-photographic-mask</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/838/large_cd0490_015_090113_1996_10_1224_ferranti_11d_silicon_chip.jpg</image:loc><image:title>Ferranti photographic mask</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22145/gold-from-770-grains-of-lead</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/388/large_smg00089324.jpg</image:loc><image:title>Gold from 770 grains of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22402/crystals-of-bismuth-amalgam-examined-by-professor-wh-miller</loc><lastmod>2026-01-09T15:18:39.556Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23413/spieggeleisen-from-mr-attwood</loc><lastmod>2026-01-09T15:18:39.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/695/large_smg00093457.jpg</image:loc><image:title>Spieggeleisen from Mr. Attwood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23299/cyano-nitride-of-titanium</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/204/large_smg00092689.jpg</image:loc><image:title>Cyano-nitride of titanium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23498/finery-cinder-produced-in-puddling-cast-iron-to-form-steel-at-the-ebbw-vale-iron-works</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/765/large_smg00094735.jpg</image:loc><image:title>Finery cinder produced in puddling cast iron to form steel at the Ebbw Vale Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22572/lime-and-alumina-heated-together-in-platinum-in-the-proportion-of-their-equivalent-numbers</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/470/large_smg00098106.jpg</image:loc><image:title>Lime and alumina heated together in platinum in the proportion of their equivalent numbers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410534/semiconductor-integrated-circuit-promotional-display</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/829/large_cd0490_006_090113_1996_10_1203_ferranti_11d_electronic_components.jpg</image:loc><image:title>Semiconductor integrated circuit promotional display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21786/litharge-ready-for-reduction-frisch-glatte</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23361/pig-iron-produced-at-the-summit-foundry</loc><lastmod>2026-01-09T15:18:39.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/740/large_smg00093466.jpg</image:loc><image:title>Pig-iron produced at the Summit Foundry</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410469/television-by-pye-of-cambridge</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/821/large_smg00245012.jpg</image:loc><image:title>Television, by Pye of Cambridge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23725/steel-coated-with-magnetic-oxide-of-iron-by-bower-and-barffs-process</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/819/large_smg00095483.jpg</image:loc><image:title>Steel coated with magnetic oxide of iron by Bower and Barffs&apos; process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412457/short-handled-shovel</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410740/ferranti-electric-room-heater</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/800/large_cd0499_005_090205_1996_10_410_ferranti_14b_electric_heater.jpg</image:loc><image:title>Ferranti electric room heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23732/bessemer-mild-steel-boiler-plate-bent-and-drilled-cold</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/821/large_smg00095485.jpg</image:loc><image:title>Bessemer mild steel boiler-plate, bent and drilled cold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415712/abc-wax-fabric-sample-new-fine-trail-design</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/753/large_cd0716_047_131216_2013_17__51_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;New Fine Trail&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22440/chromic-sulphate</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/544/large_smg00088046.jpg</image:loc><image:title>Chromic sulphate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/715/676/large_1889_0164_2556__0002_.jpg</image:loc><image:title>Chromic sulphate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/715/675/large_1889_0164_2556__0001_.jpg</image:loc><image:title>Chromic sulphate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23098/haematite-from-marquette</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/237/large_smg00093524.jpg</image:loc><image:title>Haematite from Marquette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23256/hair-like-form-of-slag-from-iron-furnace-at-konigshutte-upper-siliesia</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21963/compound-of-three-equivalents-of-silver-and-one-of-antimony</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/494/large_smg00087236.jpg</image:loc><image:title>Compound of three equivalents of silver and one of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23812/black-plates-in-the-tinned-plate-process</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/569/large_smg00001108.jpg</image:loc><image:title>Black plates in the tinned plate process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22779/solution-of-sulphide-of-iron-in-molten-iron-second-experiment</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/531/large_smg00095378.jpg</image:loc><image:title>Solution of sulphide of iron in molten iron, second experiment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23720/experimental-piece-of-steel-treated-for-the-purpose-of-testing-the-cause-of-blisters</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/832/large_smg00095496.jpg</image:loc><image:title>Experimental piece of steel, treated for the purpose of testing the cause of blisters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23401/fragment-of-grey-pig-iron-brought-from-india</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/683/large_smg00093443.jpg</image:loc><image:title>Fragment of grey pig-iron brought from India</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410181/pinnacle-thermionic-valve</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/22/large_cd0489_001_090109_1996_10_849_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Pinnacle thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/49/large_smg00243416.jpg</image:loc><image:title>Pinnacle thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22977/spathic-iron-ore-from-devonshire</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/276/large_smg00095257.jpg</image:loc><image:title>Spathic iron ore from Devonshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22867/alloy-of-iron-and-nickel-in-equal-parts</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/659/large_smg00097475.jpg</image:loc><image:title>Alloy of iron and nickel in equal parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23084/another-example-of-titaniferous-iron-ore</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/221/large_smg00093506.jpg</image:loc><image:title>Another example of titaniferous iron ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410383/ferranti-gas-laser</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/214/large_cd0475_006_081219_1996_10_1050_ferranti_8e_gas_laser.jpg</image:loc><image:title>Ferranti gas laser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22435/mixture-of-chromic-oxide-and-lime-strongly-heated-experiment-by-r-smith</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/365/large_smg00088045.jpg</image:loc><image:title>Mixture of chromic oxide and lime strongly heated. Experiment by R. Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412870/pattin-strata-roofbolt-wedge-end</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/653/large_cd0647_069_110315_lcmc_t229_spitter_part.jpg</image:loc><image:title>Pattin strata roofbolt  (wedge end)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/654/large_cd0647_070_110315_lcmc_t229_spitter_part1.jpg</image:loc><image:title>Pattin strata roofbolt  (wedge end)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412375/durham-midgy-lamp</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/497/large_cd0403_019_080807_2002_19_499_lcm_miners_lamp.jpg</image:loc><image:title>Durham &apos;Midgy&apos; lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/577/large_smg00245637.jpg</image:loc><image:title>Durham &apos;Midgy&apos; lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21799/part-of-sow-from-lead-smelting-in-the-rachette-furnace</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/538/large_smg00095116.jpg</image:loc><image:title>Part of sow from lead smelting in the Rachette Furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939808/projection-lens</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/608/smg00452142.jpg</image:loc><image:title>Projection Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23104/magnetic-iron-ore-with-iron-pyrites</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/140/large_smg00092623.jpg</image:loc><image:title>Magnetic iron ore with iron pyrites</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co156477/tool-to-extract-bullets-from-the-barrel-of-a-muzzle-loading-pistol</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/419/951/large_smg00198646.jpg</image:loc><image:title>Tool to extract bullets from the barrel of a muzzle loading pistol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22395/antimoniate-of-potash-prepared-by-r-smith</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412917/pneumatic-apparatus-coal-mini</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/585/large_cd0647_028_110315_lcmc_t1790_venture_apparatus.jpg</image:loc><image:title>Pneumatic apparatus. Coal mini</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/317/large_smg00243746.jpg</image:loc><image:title>Pneumatic apparatus. Coal mini</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23571/bar-of-wrought-iron-from-the-garjenberg-iron-works-sweden</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/736/large_smg00094705.jpg</image:loc><image:title>Bar of wrought iron from the Garjenberg Iron Works, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22575/pellets-produced-by-mixing-alumina-with-one-third-of-its-weight-of-charcoal-powder-into-a-stiff-paste-with-oil</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/698/large_smg00098065.jpg</image:loc><image:title>Pellets produced by mixing alumina with one-third of its weight of charcoal powder into a stiff paste with oil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805089/pressure-pad-switch-for-manual-control</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/312/large_smg00721940__0002_.jpg</image:loc><image:title>Pressure pad switch for manual control</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/311/large_smg00721940__0001_.jpg</image:loc><image:title>Pressure pad switch for manual control</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co26145/spark-plug-from-benz-motor-car</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22630/oxysulphide-of-manganese</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/421/large_smg00089897.jpg</image:loc><image:title>Oxysulphide of manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23385/sample-of-chilling-iron</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/675/large_smg00093435.jpg</image:loc><image:title>Sample of chilling iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412391/weight-ticket-from-coal-bag</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/629/large_smg00244114.jpg</image:loc><image:title>Weight ticket from coal bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412582/coal-mining-sign</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/970/large_cd0658_070_110809_lcmc_no_smoking_sign.jpg</image:loc><image:title>Coal mining sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410745/early-ferranti-electric-room-heater</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/488/large_cd0503_005_090210_1996_10_1415_ferranti_15a_electric_room_heater.jpg</image:loc><image:title>Early Ferranti electric room heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23681/a-bent-flat-bar-of-semi-steel-manufactured-from-grey-coke-pig-iron</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/708/large_smg00094254.jpg</image:loc><image:title>A bent flat bar of semi-steel manufactured from grey coke pig iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23180/blast-furnace-slag-from-the-ironworks-of-seend</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/795/large_smg00073080.jpg</image:loc><image:title>Blast-furnace slag from the ironworks of Seend</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410576/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/188/large_smg00250669.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23046/spathic-iron-ore-from-bilbao-spain</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/10/large_smg00092589.jpg</image:loc><image:title>Spathic iron ore from Bilbao, Spain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21657/slag-from-australian-argentiferous-lead-ore</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/763/large_smg00098320.jpg</image:loc><image:title>Slag from Australian argentiferous lead ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21918/result-of-fusing-together-silver-and-silver-sulphide</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/270/large_smg00001255.jpg</image:loc><image:title>Result of fusing together silver and silver sulphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22249/black-tin-dressed-by-r-oxlands-process</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22684/the-rock-from-the-bottom-of-a-nickel-furnace-at-espedal</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/323/large_smg00098109.jpg</image:loc><image:title>The rock from the bottom of a nickel furnace at Espedal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22661/crystallised-matt-and-speiss-of-nickel</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/252/large_smg00089915.jpg</image:loc><image:title>Crystallised matt and speiss of nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23860/coke-formed-where-gas-leaked-from-a-gas-retort</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/577/large_smg00001116.jpg</image:loc><image:title>Coke formed where gas leaked from a gas retort</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22081/pure-silver-wire</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/341/large_smg00088009.jpg</image:loc><image:title>Pure silver wire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412563/coal-mining-rescue-apparatus-helmet</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/946/large_cd0658_041_110809_lcmc_breathing_helmet.jpg</image:loc><image:title>Coal mining rescue apparatus helmet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412894/acetylene-lamp-coal-mining</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/223/large_cd0663_048_111004_lcmc_t122_1_actaline_lamp.jpg</image:loc><image:title>Acetylene lamp, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410389/ferranti-office-nameplate</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/453/large_cd0501_003_090206_1996_10_1056_ferranti_12d_name_plate.jpg</image:loc><image:title>Ferranti office nameplate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22431/arsenius-acid-from-the-condensing-flue-from-the-arsenic-works</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/543/large_smg00088044.jpg</image:loc><image:title>Arsenius acid from the condensing flue. From the Arsenic Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410572/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:40.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/534/large_smg00249574.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23305/piece-of-bear-consisting-mostly-of-pig-iron</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/203/large_smg00092687.jpg</image:loc><image:title>Piece of bear consisting mostly of pig iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23208/basic-slag-from-messrs-blackwells-hot-blast-furnaces-using-coke</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/252/large_smg00093540.jpg</image:loc><image:title>Basic slag from Messrs. Blackwell&apos;s hot-blast furnaces using coke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21936/result-of-heating-sulphide-of-silver-with-cyanide-of-potassium</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410977/alizarine-sublimed</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/718/large_cd0088_002_050301_ms_1997_7_1_11_alizarine.jpg</image:loc><image:title>Alizarine (sublimed)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412228/medal-awarded-for-rescue-training-awarded-to-arthur-potter</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/497/large_cd0381_018_080610_2002_19_214_lancashire_coal_mining_medal.jpg</image:loc><image:title>Medal, awarded for rescue training, awarded to Arthur Potter.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/498/large_cd0381_019_080610_2002_19_214_lancashire_coal_mining_medal.jpg</image:loc><image:title>Medal, awarded for rescue training, awarded to Arthur Potter.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/723/large_smg00244443.jpg</image:loc><image:title>Medal, awarded for rescue training, awarded to Arthur Potter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22163/wire-of-pure-gold</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410514/ferranti-model-a83f-electric-meter</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/338/large_cd0452_020_081114_1996_10_1183_ferranti_4b_meter.jpg</image:loc><image:title>Ferranti model A83F electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23826/scale-rubbed-off-the-surface-of-a-conway-tube</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22223/osmium-compressed-while-strongly-heated</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/418/large_smg00089358.jpg</image:loc><image:title>Osmium compressed while strongly heated</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21743/brightened-silver-blicksilber</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/684/large_smg00096575.jpg</image:loc><image:title>Brightened silver, &quot;Blicksilber&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417334/regular-power-supply-unit-for-marconi-mk-ii-television-camera-c-1960</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23370/pig-iron-said-to-be-rich-in-silicon</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/615/large_smg00073081.jpg</image:loc><image:title>Pig-iron said to be rich in silicon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23808/piece-of-a-boiler-plate-which-gave-way-along-an-arc-of-fracture-12-inches-long</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415908/ferranti-ltd-electric-meter</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21506/pump-barrel-metal</loc><lastmod>2026-01-09T15:18:41.072Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412580/three-pieces-of-coal-effect-heater-inserts</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/196/large_cd0663_018_111004_lcmc_coal_effect.jpg</image:loc><image:title>Three pieces of coal-effect heater inserts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22404/amalgam-of-equal-parts-of-mercury-and-bismuth</loc><lastmod>2026-01-09T15:18:41.137Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22264/iron-pyrites-said-to-contain-3-tin</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410717/ferranti-heat-exchanger-unit</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/542/large_cd0506_001_090217_1996_10_1386_ferranti_16e_heat_exchanger.jpg</image:loc><image:title>Ferranti heat exchanger unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22631/phosphide-of-manganese-prepared-in-1865</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/422/large_smg00089903.jpg</image:loc><image:title>Phosphide of manganese, prepared in 1865</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22491/cerite-powdered</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/680/large_smg00098032.jpg</image:loc><image:title>Cerite, powdered</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22664/nickel-regulus</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/322/large_smg00098108.jpg</image:loc><image:title>Nickel regulus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21777/samples-from-lead-working-operations</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412365/lapel-badge-issued-by-the-most</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/230/818/large_cd0233_016_060912_2002_19_483_moston_miners_badge.jpg</image:loc><image:title>Lapel badge issued by the Most</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/788/large_smg00244534.jpg</image:loc><image:title>Lapel badge issued by the Most</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22617/fused-silicon</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/469/large_smg00098066.jpg</image:loc><image:title>Fused silicon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410635/thermionic-valve-type-dh6</loc><lastmod>2026-01-09T15:18:41.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/866/large_cd0494_011_090126_1996_10_1304_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Thermionic valve, type DH6</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/331/large_smg00243764.jpg</image:loc><image:title>Thermionic valve, type DH6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23516/slag-from-a-siemenss-steel-melting-furnace</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/746/large_smg00094716.jpg</image:loc><image:title>Slag from a Siemens&apos;s steel-melting furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23548/bar-of-iron-made-from-shropshire-and-welsh-iron-ores-with-the-cold-blast</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/728/large_smg00094697.jpg</image:loc><image:title>Bar of iron made from Shropshire and Welsh iron ores, with the cold blast</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23852/portion-of-one-of-the-iron-clamps-from-the-parthenon-at-athens</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/417/large_smg00102099.jpg</image:loc><image:title>Portion of one of the iron clamps from the Parthenon at Athens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22574/magnesia-and-alumina-heated-together-in-platinum-in-the-proportion-of-their-equivalent-numbers</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/466/large_smg00098059.jpg</image:loc><image:title>Magnesia and alumina heated together in platinum in the proportion of their equivalent numbers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23368/ballast-pig-iron-from-portsmouth-dockyard</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/749/large_smg00093476.jpg</image:loc><image:title>Ballast pig-iron from Portsmouth Dockyard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805095/enclosure-for-hardware-speech-synthesizer-labelled-main-voice</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/925/large_smg00721969__0007_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/921/large_smg00721969__0003_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/920/large_smg00721969__0002_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/922/large_smg00721969__0004_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/924/large_smg00721969__0006_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/919/large_smg00721969__0001_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/923/large_smg00721969__0005_.jpg</image:loc><image:title>Enclosure for Hardware speech synthesizer labelled &quot;Main Voice&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23089/specular-iron-ore-from-east-river-pictou-county-nova-scotia</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/233/large_smg00093520.jpg</image:loc><image:title>Specular iron ore from East River, Pictou County, Nova Scotia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21943/selenide-of-silver-experiment-by-h-louis-1876</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415906/ferranti-ltd-model-mcaa25-electric-meter</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412429/trade-union-badge</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/529/large_cd0383_006_080610_2002_19_526_lancashire_coal_mining_badge.jpg</image:loc><image:title>Trade union badge</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/717/large_smg00244437.jpg</image:loc><image:title>Trade union badge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23097/iron-ore-from-andover-new-jersey-usa</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/236/large_smg00093523.jpg</image:loc><image:title>Iron ore from Andover, New Jersey, USA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23108/native-big-bottom-iron-ore-smelted-at-the-dunbar-iron-furnace-pennsylvania</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/853/large_smg00102127.jpg</image:loc><image:title>Native Big Bottom iron ore, smelted at the Dunbar Iron Furnace, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22459/bimolybdate-of-ammonia</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/563/large_smg00088080.jpg</image:loc><image:title>Bimolybdate of ammonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22088/alloy-of-silver-and-zinc-containing-6758-percent-silver</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/529/large_smg00087991.jpg</image:loc><image:title>Alloy of silver and zinc, containing 67.58 percent silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21780/the-lead-obtained-from-the-lead-regulus-bleisteinwerke</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/531/large_smg00095106.jpg</image:loc><image:title>The lead obtained from the lead regulus, &quot;Bleisteinwerke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805064/webcam</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/870/large_smg00721950__0003_.jpg</image:loc><image:title>Webcam</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/869/large_smg00721950__0002_.jpg</image:loc><image:title>Webcam</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/868/large_smg00721950__0001_.jpg</image:loc><image:title>Webcam</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21711/slag-lead-from-atkins-works-derbyshire</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/703/large_smg00096598.jpg</image:loc><image:title>Slag lead from Atkins&apos; Works, Derbyshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23378/pig-iron-made-from-a-mixture-of-hard-and-soft-haematite-ores</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/466/large_smg00093479.jpg</image:loc><image:title>Pig-iron made from a mixture of hard and soft haematite ores</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22487/the-mineral-called-torreylite</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/680/large_smg00088098.jpg</image:loc><image:title>The mineral called Torreylite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/861/large_smg00088098.jpg</image:loc><image:title>The mineral called Torreylite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22151/gold-from-100-460-grains-of-silver</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23610/iron-tapped-off-after-the-process-of-blowing-air-through-it-is-completed</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410398/ferranti-sectioned-cast-iron-cable</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/532/large_cd0505_013_090217_1996_10_1065_1_ferranti_20c_electricity_supply_cable.jpg</image:loc><image:title>Ferranti sectioned cast iron cable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/533/large_cd0505_014_090217_1996_10_1065_2_ferranti_20c_electricity_supply_cable_drawing.jpg</image:loc><image:title>Ferranti sectioned cast iron cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22704/a-mass-of-pure-nickel-communicated-by-mr-askin-experimented-upon-by-faraday</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/288/large_smg00097963.jpg</image:loc><image:title>A mass of pure nickel, communicated by Mr. Askin, experimented upon by Faraday</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410372/ferranti-shirley-univis-p12-viscometer-parts</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/442/large_cd0500_014_090206_1996_10_1039_1_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/452/large_cd0501_002_090206_1996_10_1039_11_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/446/large_cd0500_018_090206_1996_10_1039_5_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/448/large_cd0500_020_090206_1996_10_1039_7_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/444/large_cd0500_016_090206_1996_10_1039_3_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/443/large_cd0500_015_090206_1996_10_1039_2_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/447/large_cd0500_019_090206_1996_10_1039_6_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/451/large_cd0501_001_090206_1996_10_1039_10_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/449/large_cd0500_021_090206_1996_10_1039_8_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/445/large_cd0500_017_090206_1996_10_1039_4_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/450/large_cd0500_022_090206_1996_10_1039_9_ferranti_16a_viscometer_part.jpg</image:loc><image:title>Ferranti-Shirley univis P12 viscometer parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21726/fume-from-the-cupelling-hearth-of-a-german-lead-works</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/811/large_smg00095136.jpg</image:loc><image:title>Fume from the cupelling hearth of a German lead works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22174/gold-precipitated-by-ashs-precipitater</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/405/large_smg00089343.jpg</image:loc><image:title>Gold precipitated by Ash&apos;s precipitater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22841/result-of-experiment-on-the-heating-of-spiegeleisen-containing-manganese-with-ferric-oxide</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/482/large_smg00095297.jpg</image:loc><image:title>Result of experiment on the heating of spiegeleisen containing manganese with ferric oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410236/ferranti-model-3-electric-clock</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/243/85/large_cd0139_012_050810_xp_1996_10_904_clock.jpg</image:loc><image:title>Ferranti Model 3 Electric Clock</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/995/large_smg00247392.jpg</image:loc><image:title>Ferranti Model 3 Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23512/refinery-slag-from-messrs-sollys-works</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/777/large_smg00094747.jpg</image:loc><image:title>Refinery slag from Messrs. Solly&apos;s Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22072/brick-from-calcining-furnace-showing-absorption-of-silver</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/339/large_smg00088007.jpg</image:loc><image:title>Brick from calcining furnace showing absorption of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415901/ferranti-ltd-model-a233f-electric-meter</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23617/sample-of-steel-from-blaenavon-ironworks-1878</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410625/zareux-thermionic-valve</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/162/large_cd0484_009_090106_1996_10_1294_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Zareux thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/349/large_smg00243787.jpg</image:loc><image:title>Zareux thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21592/blue-stone-from-north-wales-parys-mountain-anglesea</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/30/large_smg00098273.jpg</image:loc><image:title>&quot;Blue stone&quot; from North Wales, Pary&apos;s Mountain, Anglesea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22855/alloy-of-iron-and-manganese</loc><lastmod>2026-01-09T15:18:42.334Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/481/large_smg00095296.jpg</image:loc><image:title>Alloy of iron and manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22246/mine-tin-from-the-trevaskis-mine</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410628/rca-thermionic-valve</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/538/large_cd0505_019_090217_1996_10_1297_ferranti_19d_electron_tube.jpg</image:loc><image:title>RCA Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/675/large_smg00244368.jpg</image:loc><image:title>RCA Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410567/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/183/large_smg00250664.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21571/result-of-heating-one-equivalent-of-sulphate-of-lead-with-two-of-carbon</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/981/large_smg00096907.jpg</image:loc><image:title>Result of heating one equivalent of sulphate of lead with two of carbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23284/portion-of-a-bear-much-impregnated-with-cyano-nitride</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/843/large_smg00102117.jpg</image:loc><image:title>Portion of a bear much impregnated with cyano-nitride</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23699/steel-plate-said-to-contain-silver-from-a-krantz-berlin</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/791/large_smg00095455.jpg</image:loc><image:title>Steel plate said to contain silver, from A. Krantz, Berlin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22033/lead-slag-used-in-gold-and-silver-sweep-refining-at-bettss-refinery-birmingham</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410162/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/186/large_smg00250667.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22098/alloy-of-silver-containing-10-percent-of-magnesium</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/334/large_smg00088002.jpg</image:loc><image:title>Alloy of silver containing 10 percent of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21465/mammilated-crystalline-zinc-oxide</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939730/projection-lens</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/71/large_smg00452126.jpg</image:loc><image:title>Projection Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410515/ferranti-model-nsr-electric-meter</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/358/large_cd0471_019_081212_1996_10_1184_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model NSR electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23045/altered-spathic-iron-ore-from-garucha-spain</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/996/large_smg00092574.jpg</image:loc><image:title>Altered spathic iron ore from Garucha, Spain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23445/crystallised-iron-from-the-bear-of-a-blast-furnace</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/632/large_smg00093388.jpg</image:loc><image:title>Crystallised iron from the bear of a blast furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415695/fabric-sample</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/725/large_cd0717_040_131216_2013_17_34_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412535/oldham-and-sons-photometer-from</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/596/large_cd0647_043_110315_lcmc_photometer_from_agecroft_colliery.jpg</image:loc><image:title>Oldham &amp; Sons photometer from</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23566/piece-of-iron-from-sheffield-analysed-by-fa-abel</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/471/large_smg00094689.jpg</image:loc><image:title>Piece of iron from Sheffield, analysed by F.A. Abel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21512/zinc-containing-164-per-cent-of-iron</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22665/nickel-regulus-smelted-at-piedmont</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/320/large_smg00098105.jpg</image:loc><image:title>Nickel regulus smelted at Piedmont</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22006/silver-precipitate-after-washing-with-dilute-sulphuric-acid</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/583/large_smg00089206.jpg</image:loc><image:title>Silver precipitate after washing with dilute sulphuric acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23561/sample-piece-of-binding-iron-marked-with-a-dog-and-the-word-millwall</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23564/bar-of-iron-made-from-scottish-iron-with-common-scrap-iron-and-old-steel-wire-rope</loc><lastmod>2026-01-09T15:18:42.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/717/large_smg00094684.jpg</image:loc><image:title>Bar of iron made from Scottish iron with common scrap iron and old steel wire rope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410255/electric-meter</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/867/large_cd0442_010_081106_1996_10_923_ferranti_3e_volt_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23345/grey-pig-iron-ystalyfera-iron-furnaces-south-wales</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/769/large_smg00093498.jpg</image:loc><image:title>Grey pig-iron, Ystalyfera Iron Furnaces, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23496/crystalline-finery-slag</loc><lastmod>2026-01-09T15:18:42.683Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/767/large_smg00094737.jpg</image:loc><image:title>Crystalline finery slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412410/group-of-two-miners-lamp-checks</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/624/large_smg00245689.jpg</image:loc><image:title>Group of two miner&apos;s lamp checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412526/davis-derby-red-signalling-call-point</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/565/large_cd0647_008_110315_lcmc_davis_darby_signal_bell.jpg</image:loc><image:title>&apos;Davis Derby&apos; red signalling call point</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23109/native-big-bottom-iron-ore-calcined-used-at-the-dunbar-iron-furnace-pennsylvania</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/854/large_smg00102128.jpg</image:loc><image:title>Native Big Bottom iron ore calcined, used at the Dunbar Iron Furnace, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22934/haematite-from-winsford-somerset</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/344/large_smg00095394.jpg</image:loc><image:title>Haematite from Winsford, Somerset</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805087/signal-processor-for-infrared-cheek-movement-sensor</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/305/large_smg00721937__0003_.jpg</image:loc><image:title>Signal processor for infrared cheek movement sensor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/304/large_smg00721937__0002_.jpg</image:loc><image:title>Signal processor for infrared cheek movement sensor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/307/large_smg00721937__0005_.jpg</image:loc><image:title>Signal processor for infrared cheek movement sensor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/306/large_smg00721937__0004_.jpg</image:loc><image:title>Signal processor for infrared cheek movement sensor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/303/large_smg00721937__0001_.jpg</image:loc><image:title>Signal processor for infrared cheek movement sensor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412406/miners-pay-checks</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/636/large_smg00245707.jpg</image:loc><image:title>Miner&apos;s pay checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019686/crookes-vacuum-tube-containing-a-mineral-sample</loc><lastmod>2026-01-09T15:18:42.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/599/large_smg00174409.jpg</image:loc><image:title>Crookes vacuum tube containing a mineral sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22786/iron-containing-1-percent-of-phosphorus-experiment-by-w-hochstatter</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/504/large_smg00095351.jpg</image:loc><image:title>Iron containing 1 percent of phosphorus, experiment by W. Hochstatter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415613/crew-jacket-worn-by-paul-berry-on-the-set-of-the-1996-disney-stop-motion-animation-film-james-and-the-giant-peach</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/933/large_cd0279_004_070309_l2003_37_25_paul_berry_jacket_james___the_giant_peach_back.jpg</image:loc><image:title>Crew jacket worn by Paul Berry on the set of the 1996 Disney stop-motion animation film James and the Giant Peach</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/934/large_cd0279_005_070309_l2003_37_25_paul_berry_jacket_james___the_giant_peach.jpg</image:loc><image:title>Crew jacket worn by Paul Berry on the set of the 1996 Disney stop-motion animation film James and the Giant Peach</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415674/abc-wax-textile-printing-roller</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/534/large_cd0718_017_131217_2013_17_13_2_printing_roller.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/532/large_cd0718_015_131217_2013_17_13_1___2_printing_rollers.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/531/large_cd0718_014_131217_2013_17_13_1___2_printing_rollers__on_stand.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410214/ferranti-rectifier</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/92/large_smg00250557.jpg</image:loc><image:title>Ferranti Rectifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23049/limonite-from-ribetto-san-pedro</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/451/large_smg00092588.jpg</image:loc><image:title>Limonite from Ribetto, San Pedro</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23002/crawstone-madeley-shropshire-analysed-by-j-spiller</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/295/large_smg00095276.jpg</image:loc><image:title>Crawstone Madeley, Shropshire, analysed by J. Spiller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412210/colliers-round-mouthed</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/237/584/large_cd0177_022_051013_cs1_2002_19_178_shovel.jpg</image:loc><image:title>Collier&apos;s round-mouthed</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/396/large_smg00244801__0003_.jpg</image:loc><image:title>Collier&apos;s round-mouthed</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/395/large_smg00244801__0002_.jpg</image:loc><image:title>Collier&apos;s round-mouthed</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/394/large_smg00244801__0001_.jpg</image:loc><image:title>Collier&apos;s round-mouthed</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412850/several-wire-rope-or-cable-samples</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/533/large_cd0646_044_110315_lcmc_t1819_cable_sample.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/551/large_cd0646_064_110315_lcmc_t1819_cable_samples.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/282/large_cd0620_063_100527_t1819_wire_rope.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/283/large_cd0620_064_100527_t1819_wire_rope_detail.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/284/large_cd0620_065_100527_t1819_wire_rope_name_detail.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/618/large_smg00245682.jpg</image:loc><image:title>Several wire rope or cable samples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415662/abc-wax-hand-block</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/691/large_cd0717_006_131216_2013_17_4_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/692/large_cd0717_007_131216_2013_17_4_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415601/head-from-the-weasel-character-puppet-from-the-stop-motion-animation-television-series-the-wind-in-the-willows</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/990/large_cd0150_007_050825_cc3_l2003_37_13_puppet.jpg</image:loc><image:title>Head from the Weasel character puppet from the stop-motion animation television series &apos;The Wind in the Willows&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22622/silicon-prepared-in-an-experiment-with-iron-and-magnesium</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/257/large_smg00089924.jpg</image:loc><image:title>Silicon prepared in an experiment with iron and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410563/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/176/large_smg00250657.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412575/battery-lamp</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/954/large_cd0658_050_110809_lcmc_cm27_oldham_electric_lamp_rd656872.jpg</image:loc><image:title>battery lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410557/silicon-chip-wafer</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/840/large_cd0490_017_090113_1996_10_1226_ferranti_11d_silicon_chip.jpg</image:loc><image:title>Silicon chip wafer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410746/ferranti-arp-badge</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/312/large_smg00249153.jpg</image:loc><image:title>Ferranti ARP Badge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23037/spathic-and-brown-iron-ore-from-germany</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/170/large_smg00092653.jpg</image:loc><image:title>Spathic and brown iron ore from Germany</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410322/ferranti-qrs-synchronous-pacemaker</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/529/large_cd0505_010_090217_1996_10_989_ferranti_16d_pacemaker.jpg</image:loc><image:title>Ferranti QRS synchronous pacemaker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co153713/rac-london-to-brighton-rally-medallion</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/278/large_smg00004761.jpg</image:loc><image:title>RAC London to Brighton Rally Medallion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/651/134/large_smg00004761__0002_.jpg</image:loc><image:title>RAC London to Brighton Rally Medallion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/651/133/large_smg00004761__0001_.jpg</image:loc><image:title>RAC London to Brighton Rally Medallion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410397/ferranti-model-145-radio</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/458/large_smg00246907.jpg</image:loc><image:title>Ferranti Model 145 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23672/part-of-an-ingot-of-puddled-steel-made-at-the-ebbw-vale-iron-works</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/702/large_smg00094248.jpg</image:loc><image:title>Part of an ingot of puddled steel made at the Ebbw Vale Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410539/promotional-display-of-resistors</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/834/large_cd0490_011_090113_1996_10_1208_ferranti_11e_display_plaque.jpg</image:loc><image:title>Promotional display of resistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939688/wooden-stereoscopic-viewer-for-pictures-3x512</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/72/large_smg00452463.jpg</image:loc><image:title>Wooden Stereoscopic Viewer for Pictures 3&quot;x51/2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23323/incrustations-of-crystals-of-zinc-oxide-on-the-lining-of-hearth-bricks-on-one-of-the-blast-furnaces</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/182/large_smg00092666.jpg</image:loc><image:title>Incrustations of crystals of zinc oxide on the lining of hearth bricks on one of the blast-furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23489/another-example-from-the-same-source-more-perfectly-crystallised</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21998/silver-ore-slag</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/688/large_smg00089220.jpg</image:loc><image:title>Silver-ore slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410135/ferranti-electromagnet</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/17/large_cd0488_018_090109_1996_10_814_ferranti_11b_electromagnet.jpg</image:loc><image:title>Ferranti electromagnet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412423/miners-lamp-check</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/799/large_smg00244545.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412879/coal-miners-tally-stick</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/665/large_cd0661_043_110816_lcmc_t1899_1_tally_stick.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/721/large_smg00245819.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21995/crushed-slag-metal</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/422/large_smg00089363.jpg</image:loc><image:title>Crushed slag metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22938/iron-ore-quarried-near-berry-head-tavistock-on-the-shore-and-inland</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/537/large_smg00095386.jpg</image:loc><image:title>Iron ore quarried near Berry Head, Tavistock, on the shore and inland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415591/witch-character-puppet-the-nightmare-before-christmas</loc><lastmod>2026-01-09T15:18:43.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/982/large_cd0149_021_050825_cg_l2003_37_3_puppet.jpg</image:loc><image:title>Witch character puppet, The Nightmare Before Christmas</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22343/alloy-of-tin-containing-5-per-cent-of-phosphorus-communicated-by-h-simon</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/707/large_smg00089259.jpg</image:loc><image:title>Alloy of tin containing 5 per cent. of phosphorus. Communicated by H. Simon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411219/canary-cage-coal-mining</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21722/lead-fume-as-taken-from-the-condenser</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/812/large_smg00095140.jpg</image:loc><image:title>Lead fume as taken from the condenser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410265/ferranti-transformer</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/24/large_cd0489_003_090109_1996_10_933_ferranti_11a_transformer.jpg</image:loc><image:title>Ferranti transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413046/colzalene-petrol-can</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/347/large_cd0674_037_120105_lcmc_t8_2_2001_14_colzalene_can_agecroft_colliery.jpg</image:loc><image:title>Colzalene petrol can</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/348/large_cd0674_038_120105_lcmc_t8_2_2001_14_colzalene_petrol_can.jpg</image:loc><image:title>Colzalene petrol can</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23768/steel-sheet-after-cutting-out-the-blanks-for-pen-making</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/403/large_smg00102083.jpg</image:loc><image:title>Steel sheet after cutting out the blanks for pen making</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22994/argillaceous-ironstone-called-welsh-mine-dowlais-glamorganshire</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/281/large_smg00095262.jpg</image:loc><image:title>Argillaceous ironstone, called Welsh Mine, Dowlais, Glamorganshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22909/magnetic-iron-ore-from-rosedale</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/389/large_smg00097521.jpg</image:loc><image:title>Magnetic iron ore from Rosedale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413063/sign-signals-for-direct-or-main-rope-haulage</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/567/large_cd0660_024_110809_lcmc_t768_sign.jpg</image:loc><image:title>Sign &quot;signals for direct or main rope haulage&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21701/zinc-alloy-taken-from-the-lead-in-parkes-process</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co26478/mirror-from-prototype-rover-gas-turbine-motor-car-jet-1</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410984/salicine-a-sample-chemical-from-edward-schuncks-work-on-natural-dyes-and-plant-products</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/720/large_cd0088_004_050301_ms_1997_7_1_235_salicine.jpg</image:loc><image:title>Salicine, a sample chemical from Edward Schunck&apos;s work on natural dyes and plant products</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412421/miners-lamp-check</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/798/large_smg00244544.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22030/argentiferous-and-auriferous-copper-matt-black-hawk-colorado</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410943/cyanotype-photograph-of-john-mercer-on-mercerised-cotton</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22269/fine-grain-tin-ore-from-boonoes-selangor</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21517/alloy-of-zinc-and-iron</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23543/series-of-specimens-of-various-qualities-of-wrought-iron</loc><lastmod>2026-01-09T15:18:44.128Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/726/large_smg00094695.jpg</image:loc><image:title>Series of specimens of various qualities of wrought iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410315/visual-recorder</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/862/large_cd0442_005_081106_1996_10_982_ferranti_2b_visual_recorder.jpg</image:loc><image:title>Visual recorder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410257/ferranti-model-miqf46-electric-meter</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/329/large_cd0452_007_081112_1996_10_925_ferranti_3e_voltmeter.jpg</image:loc><image:title>Ferranti model MIQF46 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21694/argentiferous-zinc-crust</loc><lastmod>2026-01-09T15:18:44.341Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/758/large_smg00098192.jpg</image:loc><image:title>Argentiferous zinc crust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23116/mill-cinder-used-as-an-ore-for-smelting-at-the-dunbar-iron-furnaces</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/848/large_smg00102122.jpg</image:loc><image:title>Mill cinder used as an ore for smelting at the Dunbar Iron Furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412974/replica-model-of-a-coal-tub-c1966</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/219/large_cd0663_044_111004_lcmc_t93_1_model_mine_cart.jpg</image:loc><image:title>Replica model of a coal tub. C.1966</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412309/miners-lamp-check</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/659/large_smg00245730.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412181/the-protector-lamp-and-lighting-co-ltd-oil-can-for-filling-miners-oil-safety-lamp-vessels</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/515/large_cd0404_017_080808_2002_19_141_lcm_oil_can.jpg</image:loc><image:title>The Protector Lamp and Lighting Co. Ltd oil can for filling miner&apos;s oil safety lamp vessels</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/915/large_smg00246033.jpg</image:loc><image:title>The Protector Lamp and Lighting Co. Ltd oil can for filling miner&apos;s oil safety lamp vessels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23035/bog-iron-ore-from-olfen-westphalia</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/169/large_smg00092652.jpg</image:loc><image:title>Bog iron ore from Olfen, Westphalia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939805/projection-lens</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/60/large_smg00452061.jpg</image:loc><image:title>Projection Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412065/oil-cap-lamp</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/631/large_cd0661_017_110809_lcmc_t2024_oil_cap_lamp.jpg</image:loc><image:title>Oil cap lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412194/group-of-14-miners-pay-checks</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/616/large_smg00244112.jpg</image:loc><image:title>Group of 14 miner&apos;s pay checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22094/alloy-of-three-parts-of-silver-and-one-of-palladium</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/523/large_smg00087985.jpg</image:loc><image:title>Alloy of three parts of silver and one of palladium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22556/alloy-silver-with-10-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/676/large_smg00098018.jpg</image:loc><image:title>Alloy silver with 10 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23094/iron-ore-from-the-suckasunny-mine-new-jersey-usa</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/240/large_smg00093527.jpg</image:loc><image:title>Iron ore from the Suckasunny Mine, New Jersey, USA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410202/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/870/large_cd0442_013_081106_1996_10_870_ferranti_3c_volt_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410246/ferranti-model-31015-electric-meter</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/326/large_cd0452_004_081112_1996_10_914_ferranti_3e_meter.jpg</image:loc><image:title>Ferranti model 31015 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22414/onofrite-from-mexico</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22840/greg-pig-iron-remelted</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/480/large_smg00095295.jpg</image:loc><image:title>Greg pig-iron remelted</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8675387/dye-sample-caledon-gold-original</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410163/all-ceramic-tetrode-amplifier</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/433/large_cd0500_005_090206_1996_10_831_ferranti_15d_amplifier.jpg</image:loc><image:title>All-Ceramic Tetrode Amplifier</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/190/large_y1996_0010_0831__0003_.jpg</image:loc><image:title>All-Ceramic Tetrode Amplifier</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/191/large_y1996_0010_0831__0002_.jpg</image:loc><image:title>All-Ceramic Tetrode Amplifier</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/188/large_y1996_0010_0831__0001_.jpg</image:loc><image:title>All-Ceramic Tetrode Amplifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415697/fabric-sample</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/727/large_cd0717_042_131216_2013_17_36_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412958/detonators</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22858/alloy-of-iron-and-tin</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/493/large_smg00095310.jpg</image:loc><image:title>Alloy of iron and tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23365/pig-iron-in-two-varieties-west-cumberland-haematite-co</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/744/large_smg00093470.jpg</image:loc><image:title>Pig-iron in two varieties, West Cumberland Haematite Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22190/alloy-containing-95-gold-and-5-aluminium</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/400/large_smg00089336.jpg</image:loc><image:title>Alloy containing 95 % gold and 5% aluminium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22944/brown-iron-ore-from-perran-iron-mines</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/349/large_smg00095399.jpg</image:loc><image:title>Brown iron ore from Perran Iron Mines</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22580/ingot-of-aluminium-made-in-france</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/317/large_smg00097994.jpg</image:loc><image:title>Ingot of aluminium, made in France</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23306/mixture-of-iron-and-charcoal-from-an-old-bear</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/196/large_smg00092680.jpg</image:loc><image:title>Mixture of iron and charcoal from an old bear</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23460/finery-slag-from-another-furnace</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/634/large_smg00093390.jpg</image:loc><image:title>Finery slag from another furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21756/furnace-bottom-heerd</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/691/large_smg00096585.jpg</image:loc><image:title>Furnace bottom, &quot;Heerd&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412985/telephone-cable-sample</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/381/large_cd0674_072_120105_lcmc_t901_metal_cable_sample.jpg</image:loc><image:title>Telephone cable sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22403/amalgam-of-mercury-and-bismuth-in-which-crystals-formed-after-standing-a-long-time</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415921/ferranti-ltd-stall-recovery-gyroscope</loc><lastmod>2026-01-09T15:18:45.246Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22539/alloy-of-magnesium-and-antimony-fused-in-hydrogen</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23828/part-of-an-old-cast-iron-water-pipe-which-had-been-in-use-for-about-eight-or-ten-years-at-llanelly-1863</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/556/large_smg00001095.jpg</image:loc><image:title>Part of an old cast-iron water pipe which had been in use for about eight or ten years, at Llanelly, 1863</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409950/computer-logic-door-ferranti-mark-i</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/909/large_smg00449476.jpg</image:loc><image:title>Computer Logic Door, Ferranti Mark I</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23019/carbonaceous-ironstone-called-brass-from-the-park-pits-south-wales</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/154/large_smg00092637.jpg</image:loc><image:title>Carbonaceous ironstone called Brass, from the Park Pits, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22203/argentiferous-gold-foil-from-mycenae</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/376/large_smg00089310.jpg</image:loc><image:title>Argentiferous gold foil from Mycenae</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413493/radio-manchester-audio-recording</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/60/large_cd0611_004_100216_2005_86_27_bbc_manchester_copy_of_first_ever_show_on_cassette_tape.jpg</image:loc><image:title>Radio Manchester Audio Recording</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/61/large_cd0611_005_100216_2005_86_27_bbc_manchester_copy_of_first_ever_show_on_cassette_tape.jpg</image:loc><image:title>Radio Manchester Audio Recording</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/1/large_smg00246170.jpg</image:loc><image:title>Radio Manchester Audio Recording</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22255/tin-ore-in-stage-no3-from-east-pool-tin-works-cornwall</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23874/stalactitemass-of-oxide-of-iron</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/408/large_smg00102089.jpg</image:loc><image:title>Stalactitemass of oxide of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21911/result-of-heating-oxide-of-silver-with-charcoal</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/267/large_smg00001249.jpg</image:loc><image:title>Result of heating oxide of silver with charcoal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412996/sign-from-windy-arbour-colliery</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/283/large_cd0629_028_100806_lcmc_t884_notice_no_glass_bottles_sign.jpg</image:loc><image:title>Sign from Windy Arbour Colliery</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/631/large_smg00244286.jpg</image:loc><image:title>Sign from Windy Arbour Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22604/impure-titanium</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/207/large_smg00089299.jpg</image:loc><image:title>Impure titanium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412305/warning-sign-from-bridgewater-estates-ltd</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/199/large_cd0384_019_080617_2002_19_375_lancashire_coal_mining_bridgewater_estates_sign.jpg</image:loc><image:title>Warning sign from Bridgewater Estates Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/532/large_smg00245590.jpg</image:loc><image:title>Warning sign from Bridgewater Estates Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417343/rca-vision-mixer-control-panel</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23395/a-third-example-of-mottled-pig-iron-from-finspong</loc><lastmod>2026-01-09T15:18:45.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/689/large_smg00093449.jpg</image:loc><image:title>A third example of mottled pig-iron from Finspong</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410597/marconi-thermionic-valve</loc><lastmod>2026-01-09T15:18:45.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/854/large_cd0493_015_090126_1996_10_1266_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Marconi thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/41/large_smg00243408.jpg</image:loc><image:title>Marconi thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22752/furnace-accretion-from-cobalt-furnaces</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/376/large_smg00102168.jpg</image:loc><image:title>Furnace accretion from cobalt furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409928/ferranti-voltmeter</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/582/large_cd0468_012_081212_1996_10_602_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22917/micaceous-iron-ore-from-bovey-tracey-devonshire</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/539/large_smg00095388.jpg</image:loc><image:title>Micaceous iron ore from Bovey Tracey, Devonshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23072/iron-ores-from-algeria</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/225/large_smg00093512.jpg</image:loc><image:title>Iron ores from Algeria</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21717/lead-liquated-from-copper-first-stage</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/699/large_smg00096593.jpg</image:loc><image:title>Lead liquated from copper, first stage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22730/alloy-of-nickel-copper</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/372/large_smg00102164.jpg</image:loc><image:title>Alloy of nickel copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22076/silver-specially-purified-prepared-by-a-dick</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/525/large_smg00087987.jpg</image:loc><image:title>Silver specially purified, prepared by A. Dick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410471/ferranti-electric-clock</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/4/large_smg00246173.jpg</image:loc><image:title>Ferranti Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21495/zinc-specially-prepared-pure</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23123/fibrous-black-haematite-developed-as-a-massive-piece</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/37/large_smg00092618.jpg</image:loc><image:title>Fibrous black haematite developed as a massive piece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022338/elmar-lens-f35</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412491/box-perhaps-for-checks-or-tokens</loc><lastmod>2026-01-09T15:18:44.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/340/large_cd0674_030_120105_lcmc_red_wooden_box.jpg</image:loc><image:title>Box, perhaps for checks or tokens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23620/phosphide-of-iron-thrown-out-of-a-basic-converter-in-the-thomas-gilchrist-process-of-steel-making</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410584/ferranti-ltd-thermionic-valve</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/119/large_cd0483_008_090102_1996_10_1253_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Ferranti Ltd thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/29/large_smg00243396.jpg</image:loc><image:title>Ferranti Ltd thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23428/cast-iron-artifically-crystallised-in-octahedra</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/647/large_smg00093403.jpg</image:loc><image:title>Cast iron artifically crystallised in octahedra</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412908/coal-mining-axe</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/519/large_cd0646_029_110315_lcmc_t308_axe.jpg</image:loc><image:title>coal mining axe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410632/thermionic-valve-type-pz3</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/863/large_cd0494_008_090126_1996_10_1301_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Thermionic valve, type PZ3?</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/163/large_smg00243536.jpg</image:loc><image:title>Thermionic valve, type PZ3?</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23304/cyano-nitride-of-titanium-in-the-bear-of-the-russell-halls-furnaces</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/345/large_1889_0164_3133__0001_.jpg</image:loc><image:title>Cyano-nitride of titanium in the bear of the Russell Hall&apos;s Furnaces</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/346/large_1889_0164_3133__0002_.jpg</image:loc><image:title>Cyano-nitride of titanium in the bear of the Russell Hall&apos;s Furnaces</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/347/large_1889_0164_3133__0003_.jpg</image:loc><image:title>Cyano-nitride of titanium in the bear of the Russell Hall&apos;s Furnaces</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/198/large_smg00092682.jpg</image:loc><image:title>Cyano-nitride of titanium in the bear of the Russell Hall&apos;s Furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22721/german-silver-alloyed-with-10-49-percent-of-tungsten</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/284/large_smg00097959.jpg</image:loc><image:title>German silver alloyed with 10-49 percent of tungsten</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22536/reproduction-of-the-falsely-called-stable-phosphide-of-magnesium</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/678/large_smg00098027.jpg</image:loc><image:title>Reproduction of the falsely called &quot;stable phosphide of magnesium&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21479/spelter-dross</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410463/ferranti-gyrocompass</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/549/large_cd0508_002_090219_1996_10_1133_27d_ferranti_gyroscope.jpg</image:loc><image:title>Ferranti gyrocompass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410633/thermionic-valve-type-l63</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/864/large_cd0494_009_090126_1996_10_1302_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Thermionic valve, type L63</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/332/large_smg00243765.jpg</image:loc><image:title>Thermionic valve, type L63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21962/arsenide-of-silver-experiment-by-r-smith</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/184/large_smg00001284.jpg</image:loc><image:title>Arsenide of silver. Experiment by R. Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22040/vegetable-silver-from-the-black-hawk-silver-works</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23542/specimen-of-puddled-bar-from-the-bromford-iron-works</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/727/large_smg00094696.jpg</image:loc><image:title>Specimen of &quot;puddled bar&quot; from the Bromford Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410452/ferranti-r3121a-mk-iii-radio-receiver</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/251/208/large_y1996_0010_1122__0001_.jpg</image:loc><image:title>Ferranti R3121A Mk III Radio Receiver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412557/sign-coal-mining</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/368/large_cd0627_060_100730_lcmc_higher_florida_seam_plan.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22461/wolfram-associated-with-tin-ore-in-cornwall</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/548/large_smg00088053.jpg</image:loc><image:title>Wolfram. Associated with tin ore in Cornwall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410505/ferranti-motor-part</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/826/large_cd0490_003_090113_1996_10_1174_ferranti_11a_part_of_a_motor.jpg</image:loc><image:title>Ferranti motor part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8414948/model-screening-plant</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/536/large_cd0646_048_110315_lcmc_t1626_model_screening_plant.jpg</image:loc><image:title>model screening plant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23383/illustration-of-the-working-of-ilmenite-as-an-ore</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/678/large_smg00093438.jpg</image:loc><image:title>Illustration of the working of ilmenite as an ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806720/iv-fluid-bag-and-a-tubing-unit</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/501/881/large_smg00280618.jpg</image:loc><image:title>IV fluid bag and a tubing unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23608/iron-which-escaped-from-furnace-during-experiment</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410733/model-n7-mark-i-shell-fuse-nosecap</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/35/large_cd0441_002_081105_1996_10_1403_ferranti_2c_shell_fuse_nosecap.jpg</image:loc><image:title>Model N7 Mark I shell fuse nosecap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415890/ferranti-ltd-model-a233f-electric-meter</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22372/the-regulus-or-sulphide-of-antimony-which-has-been-liquated-out-of-the-ore-then-fused-in-a-crucible</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410417/ferranti-model-31-radio</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/341/large_smg00246737.jpg</image:loc><image:title>Ferranti Model 31 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415947/group-of-three-radiospares-pre</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21466/zinc-oxide-incrustation</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22005/silver-in-flakes-as-precipitated-from-the-solution-of-the-sulphate-by-plates-of-copper</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/582/large_smg00089205.jpg</image:loc><image:title>Silver in flakes as precipitated from the solution of the sulphate by plates of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23749/specimen-of-iron-broken-by-a-shot-at-shoeburyness</loc><lastmod>2026-01-09T15:18:46.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/416/large_smg00102098.jpg</image:loc><image:title>Specimen of iron broken by a shot at Shoeburyness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21638/slag-from-the-slag-hearth-from-alport-derbyshire</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/825/large_smg00095207.jpg</image:loc><image:title>Slag from the slag hearth, from Alport, Derbyshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412328/safety-badge-awarded-by-the-la</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/247/large_cd0392_017_080710_2002_19_422_lcm_welfare_committee_safety_badge.jpg</image:loc><image:title>Safety badge awarded by the La</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/735/large_smg00245833.jpg</image:loc><image:title>Safety badge awarded by the La</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22523/result-of-heating-together-24-grains-of-magnesium-with-15-grain-of-silica</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/431/large_smg00098001.jpg</image:loc><image:title>Result of heating together 2.4 grains of magnesium with 1.5 grain of silica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410235/ferranti-model-10-electric-clock</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/343/large_smg00246739.jpg</image:loc><image:title>Ferranti Model 10 Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22689/residue-from-the-anode-in-a-nickel-plating-battery</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/723/large_smg00100812.jpg</image:loc><image:title>Residue from the anode in a nickel plating battery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22947/forest-ore-or-smith-ore-forest-of-dean</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22233/sulphide-of-cadmium</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/609/large_smg00089359.jpg</image:loc><image:title>Sulphide of cadmium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22724/alloy-of-german-silver-and-tungsten</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/726/large_smg00100815.jpg</image:loc><image:title>Alloy of German silver and tungsten</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410201/ferranti-time-switch</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/199/large_smg00250687.jpg</image:loc><image:title>Ferranti Time Switch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410197/j-white-electric-meter</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/886/large_cd0443_007_081106_1996_10_865_ferranti_3b_electric_meter.jpg</image:loc><image:title>J White electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415659/abc-wax-hand-printing-block</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/686/large_cd0717_001_131216_2013_17_1_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/778/large_cd0716_072_131216_2013_17_1_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412220/clog-sole</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/535/large_cd0383_012_080612_2002_19_193_lancashire_coal_mining_clog_sole.jpg</image:loc><image:title>Clog sole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/733/large_smg00245831.jpg</image:loc><image:title>Clog sole</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412478/sign-coal-mining</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/357/large_cd0627_034_100723_lcmc_buile_hill_colliery_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22192/alloy-of-gold-silver-and-magnesium</loc><lastmod>2026-01-09T15:18:47.121Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/681/large_smg00088102.jpg</image:loc><image:title>Alloy of gold, silver and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23197/blast-furnace-slag-from-the-wyandotte-furnaces-detroit</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/961/large_smg00092538.jpg</image:loc><image:title>Blast-furnace slag from the Wyandotte furnaces, Detroit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410686/ferranti-promotional-display</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/722/large_cd0495_001_090126_1996_10_1355_ferranti_11d_display_plaque.jpg</image:loc><image:title>Ferranti promotional display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22608/bust-of-berzelius-in-selenium-1862</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/224/large_smg00089880.jpg</image:loc><image:title>Bust of Berzelius in selenium, 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23448/piece-of-an-old-bear-from-bilston-furnaces</loc><lastmod>2026-01-09T15:18:47.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/646/large_smg00093402.jpg</image:loc><image:title>Piece of an old bear from Bilston Furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23229/blast-furnace-slag-resembling-gehlenite</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/946/large_smg00092395.jpg</image:loc><image:title>Blast-furnace slag resembling Gehlenite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21503/zinc-containing-sodium</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co26208/part-from-benz-motor-car</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410242/ferranti-frequency-converter</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/928/large_cd0445_005_081106_1996_10_910_ferranti_3e_frequency_converter.jpg</image:loc><image:title>Ferranti frequency converter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21468/grey-oxide-of-zinc-alston-works</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022394/robot-ii-motorized-miniature-camera-for-35mm-film-giving-50-exposures-24-x-24mm</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/917/large_smg00451947.jpg</image:loc><image:title>Robot II motorized miniature camera for 35mm film giving 50 exposures 24 x 24mm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22834/results-of-experiments-on-the-action-of-sulphur-on-iron-containing-carbon</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/478/large_smg00095293.jpg</image:loc><image:title>Results of experiments on the action of sulphur on iron containing carbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23067/micaceous-iron-ore-from-elba-smelted-at-the-dowlais-iron-works-1870</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/998/large_smg00092576.jpg</image:loc><image:title>Micaceous iron ore from Elba, smelted at the Dowlais Iron Works, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21741/skimming-rich-in-lead-bleireicher-abstrich</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/709/large_smg00096604.jpg</image:loc><image:title>Skimming rich in lead, &quot;Bleireicher Abstrich&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22175/crystallised-gold</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/397/large_smg00089333.jpg</image:loc><image:title>Crystallised gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23451/slag-from-the-fineries-at-the-bloomfield-iron-works-dudley</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/643/large_smg00093399.jpg</image:loc><image:title>Slag from the fineries at the Bloomfield Iron Works, Dudley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410473/ferranti-frequency-meter</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/510/large_cd0464_022_081211_1996_10_1143_ferranti_7d_frequency_meter.jpg</image:loc><image:title>Ferranti frequency meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412970/coal-mining-section-of-bridge-rail</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22457/molybdate-of-ammonia-ordinary-impure-form-prepared-in-1847</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/673/large_smg00088077.jpg</image:loc><image:title>Molybdate of ammonia. Ordinary impure form prepared in 1847</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/857/large_smg00088077.jpg</image:loc><image:title>Molybdate of ammonia. Ordinary impure form prepared in 1847</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410123/ferranti-model-fi14-inverter-unit</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/993/large_cd0439_004_081104_1996_10_802_ferranti_1b_inverter_unit.jpg</image:loc><image:title>Ferranti model FI.14 inverter unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415595/mouthpieces-for-the-grasshopper-character-puppet</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/2/large_cd0150_019_050825_cc3_l2003_37_7_puppet_mouth_pieces.jpg</image:loc><image:title>Mouthpieces for the Grasshopper character puppet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410629/thermionic-valve</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/539/large_cd0505_020_090217_1996_10_1298_ferranti_19d_thermionic_valve.jpg</image:loc><image:title>Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/676/large_smg00244369.jpg</image:loc><image:title>Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412125/miners-lamp-check</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/643/large_smg00245714.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415720/abc-wax-fabric-sample-new-fine-trail-design</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/761/large_cd0716_055_131216_2013_17__59_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;New Fine Trail&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23048/specimens-illustrating-the-conversion-of-iron-pyrites-into-brown-iron-ore-from-santander-spain</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/860/large_smg00102135.jpg</image:loc><image:title>Specimens illustrating the conversion of iron pyrites into brown iron ore, from Santander, Spain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22616/silicon-prepared-by-aluminium</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/261/large_smg00089938.jpg</image:loc><image:title>Silicon prepared by aluminium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413002/pneumatic-drill</loc><lastmod>2026-01-09T15:18:47.561Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/578/large_cd0660_035_110809_lcmc_t875_pneumatic_drill.jpg</image:loc><image:title>Pneumatic drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409936/ferranti-high-voltage-indicator</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/588/large_cd0468_019_081212_1996_10_610_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti high voltage indicator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23866/samples-of-wedgewood-pyrometer-made-by-the-original-inventor-josiah-wedgwood</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/413/266/large_smg00087134.jpg</image:loc><image:title>Samples of Wedgewood pyrometer, made by the original inventor, Josiah Wedgwood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22553/alloy-of-lead-with-7-per-cent-of-magnesium</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/441/large_smg00098011.jpg</image:loc><image:title>Alloy of lead with 7 per cent. of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21729/twice-roasted-lead-ore</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/706/large_smg00096601.jpg</image:loc><image:title>Twice-roasted lead ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410726/multitone-access-80-keyboard</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/486/large_cd0503_003_090210_1996_10_1396_ferranti_13d_keyboard.jpg</image:loc><image:title>Multitone Access 80 keyboard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22025/matt-from-smelting-mixed-silver-ore</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22254/tin-ore-in-stage-no2-from-east-pool-tin-works-cornwall</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022403/aircraft-camera-k14a-using-rollfilm-and-interchangeable-magazines</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410404/ferranti-electric-wall-clock</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/337/large_cd0452_019_081114_1996_10_1073_ferranti_5c_clock.jpg</image:loc><image:title>Ferranti electric wall clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21922/silver-reduced-from-its-chloride-by-zinc-in-the-cold</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/176/large_smg00001272.jpg</image:loc><image:title>Silver reduced from its chloride by zinc in the cold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412867/oil-cap-lamp-with-reflector</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/4/large_cd0659_036_110809_lcmc_t240_c266_bh25_69_oil_cap_lamp_with_reflector.jpg</image:loc><image:title>Oil cap lamp with reflector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410172/ferranti-load-leveler</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/875/large_cd0442_018_081106_1996_10_840_ferranti_3c_load_leveler.jpg</image:loc><image:title>Ferranti load leveler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23265/graphite-from-the-iron-furnaces-of-dowlais</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/458/large_smg00092711.jpg</image:loc><image:title>Graphite from the iron furnaces of Dowlais</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410148/ferranti-mantel-clock</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/83/large_smg00247505.jpg</image:loc><image:title>Ferranti Mantel Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21884/alloy-of-one-part-of-lead-with-two-of-bismuth-and-one-of-tin</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/263/large_smg00001226.jpg</image:loc><image:title>Alloy of one part of lead with two of bismuth and one of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22295/crystalline-slag-from-tin-smelting-at-redruth</loc><lastmod>2026-01-09T15:18:48.050Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/701/large_smg00089243.jpg</image:loc><image:title>Crystalline slag from tin smelting at Redruth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22653/nickel-ore-as-imported-for-the-nickel-works-of-evans-and-askin-birmingham</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/246/large_smg00089909.jpg</image:loc><image:title>Nickel ore. As imported for the Nickel Works of Evans and Askin, Birmingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co26479/fire-extinguisher-from-prototype-rover-gas-turbine-motor-car-jet-1</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23144/slag-from-gartsherrie-blast-furnaces</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/26/large_smg00092605.jpg</image:loc><image:title>Slag from Gartsherrie blast furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21704/dross-from-the-softening-furnace-parkes-process-llanelly-lead-works</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/701/large_smg00096596.jpg</image:loc><image:title>Dross from the softening furnace (Parkes&apos; Process) Llanelly Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22647/kupfernickel-as-imported-used-at-the-nickel-works-of-messrs-evans-and-askin-birmingham</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/416/large_smg00089885.jpg</image:loc><image:title>Kupfernickel as imported, used at the Nickel Works of Messrs. Evans and Askin, Birmingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22680/crystallised-nickel-regulus-from-a-furnace-bottom</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/319/large_smg00098104.jpg</image:loc><image:title>Crystallised nickel regulus from a furnace bottom</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23233/blast-furnace-slag-showing-in-the-cavities-small-brown-mica-like-plates-locality-unknown</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412990/dummy-explosive-and-detonator</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/380/large_cd0674_071_120105_lcmc_t897_dummy_detonator.jpg</image:loc><image:title>Dummy explosive and detonator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410968/meteorological-thermometer-backplate</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23012/carbonaceous-clay-ironstone-called-duffryn-brass</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/162/large_smg00092645.jpg</image:loc><image:title>Carbonaceous clay ironstone called Duffryn Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410496/ferranti-milliammeter</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/78/large_smg00250538.jpg</image:loc><image:title>Ferranti Milliammeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22609/tellurium</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/235/large_smg00089896.jpg</image:loc><image:title>Tellurium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415878/type-6j5g-thermionic-valve</loc><lastmod>2026-01-09T15:18:48.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411031/tripod-for-use-with-a-theodolite</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23245/old-roman-slag-from-uckfield</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/942/large_smg00092390.jpg</image:loc><image:title>Old Roman slag from Uckfield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21917/result-of-fusing-together-silver-and-sulphide-of-silver</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/167/large_smg00001257.jpg</image:loc><image:title>Result of fusing together silver and sulphide of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23168/blast-furnace-slag-from-the-cyfartha-iron-works-south-wales</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/982/large_smg00092559.jpg</image:loc><image:title>Blast-furnace slag from the Cyfartha Iron Works, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411961/shovel</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415961/welwyn-model-p222k-tuning-switch</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410592/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/127/large_cd0483_012_090102_1996_10_1261_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/43/large_smg00243410.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22078/silver-showing-columnar-fracture</loc><lastmod>2026-01-09T15:18:48.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/353/large_smg00088021.jpg</image:loc><image:title>Silver showing columnar fracture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22643/results-of-experiments-on-the-combination-of-manganese-and-copper</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/186/large_smg00073085.jpg</image:loc><image:title>Results of experiments on the combination of manganese and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23524/mess-of-iron-slag-melted-and-poured-into-a-cardboard-box</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/748/large_smg00094718.jpg</image:loc><image:title>Mess of iron slag melted and poured into a cardboard box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23493/another-specimen-from-the-same-source</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/764/large_smg00094734.jpg</image:loc><image:title>Another specimen from the same source</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939803/kodak-anastigmat-f63-lens</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/195/large_smg00452511.jpg</image:loc><image:title>Kodak Anastigmat F.6.3 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413503/bbc-radio-manchester-audiopak</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/258/large_cd0620_051_100527_2005_86_37_professional_audio_cassette_tape_used_by_radio_manchester.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/972/large_smg00247368.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412920/wigan-coal-corporation-sign</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/623/large_cd0661_009_110809_lcmc_t1841_sign.jpg</image:loc><image:title>Wigan coal corporation sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412454/coal-conveyor-belt-system</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/207/637/large_cd0531_004_090528_2002_19_553_coal_conveyor_belt.jpg</image:loc><image:title>Coal Conveyor Belt System</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/784/large_smg00214836.jpg</image:loc><image:title>Coal Conveyor Belt System</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22982/crystalline-chalybite-formed-on-the-surface-and-fissures-of-a-septarium-of-red-haematite-from-wadebridge-cornwall</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/275/large_smg00095256.jpg</image:loc><image:title>Crystalline chalybite formed on the surface and fissures of a septarium of red haematite, from Wadebridge, Cornwall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22320/second-quality-of-tin-as-produced-at-the-chyandou-works</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/728/large_smg00089283.jpg</image:loc><image:title>Second quality of tin. As produced at the Chyandou Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22638/alloy-of-manganese-with-copper-and-zinc-worked-into-a-stamp</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/341/large_smg00100792.jpg</image:loc><image:title>Alloy of manganese with copper and zinc, worked into a stamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22102/alloy-of-80-parts-of-silver-and-11-of-gold</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/350/large_smg00088018.jpg</image:loc><image:title>Alloy of 80 parts of silver and 11 of gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23259/comminuted-blast-furnace-slag-produced-artificially-as-a-manure</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413479/bbc-millennium-oral-history-project</loc><lastmod>2026-01-09T15:18:49.139Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/240/482/large_cd0151_014_050830_cg_2005_86_13_tapes.jpg</image:loc><image:title>BBC Millennium Oral History Project</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23193/slag-from-a-blast-furnace-using-charcoal-as-fuel</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/248/large_smg00093536.jpg</image:loc><image:title>Slag from a blast-furnace using charcoal as fuel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21645/scoria-from-slag-lead-kept-melted-during-four-hours-with-access-of-air</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/799/large_smg00095070.jpg</image:loc><image:title>Scoria from slag lead kept melted during four hours with access of air</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410326/integrated-circuit-board-and-wafers</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/40/large_cd0489_019_090113_1996_10_993_ferranti_11d_integrated_circuit_board.jpg</image:loc><image:title>Integrated circuit board and wafers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412877/coal-miners-tally-stick</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/667/large_cd0661_045_110816_lcmc_t1899_3_tally_stick.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/725/large_smg00245823.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410603/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/138/large_cd0483_018_090102_1996_10_1272_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/164/large_smg00243537.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805088/gewa-programme-module-for-remote-control-of-houseghold-appliances</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/316/large_smg00721941__0004_.jpg</image:loc><image:title>GEWA programme module for remote control of houseghold appliances</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/315/large_smg00721941__0003_.jpg</image:loc><image:title>GEWA programme module for remote control of houseghold appliances</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/313/large_smg00721941__0001_.jpg</image:loc><image:title>GEWA programme module for remote control of houseghold appliances</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/314/large_smg00721941__0002_.jpg</image:loc><image:title>GEWA programme module for remote control of houseghold appliances</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21938/result-of-heating-together-sulphide-of-silver-and-chlorate-of-potash</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/274/large_smg00001289.jpg</image:loc><image:title>Result of heating together sulphide of silver and chlorate of potash</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21559/silicate-of-lead-containing-three-equivalents-of-lead-oxide-to-two-of-silica</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/53/large_smg00098296.jpg</image:loc><image:title>Silicate of lead containing three equivalents of  lead oxide to two of silica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417329/regular-power-supply-unit-for-marconi-mk-ii-television-camera-c-1960</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939824/cp-goerz-kalostigmat-f68-lens</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/613/large_smg00452148.jpg</image:loc><image:title>C.P. Goerz Kalostigmat F.6.8 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23393/pig-iron-from-finspong</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/684/large_smg00093444.jpg</image:loc><image:title>Pig-iron from Finspong</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23190/blast-furnace-slag-from-allentoun-furnace</loc><lastmod>2026-01-09T15:18:49.517Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/938/large_smg00092386.jpg</image:loc><image:title>Blast-furnace slag from Allentoun furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21875/alloy-containing-two-equivalents-of-lead-to-one-of-antimony</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/146/large_smg00001214.jpg</image:loc><image:title>Alloy containing two equivalents of lead to one of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415608/model-of-a-chicken-from-the-music-video-for-the-track-the-devil-went-down-to-georgia</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/995/large_cd0150_012_050825_cc3_l2003_37_20_puppet.jpg</image:loc><image:title>Model of a chicken from the music video for the track &apos;The Devil Went Down to Georgia&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23286/white-fibrous-silica-deposited-on-the-surface-of-the-bear-of-a-blast-furnace</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410437/ferranti-model-p3120-radiator</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/987/large_smg00246146.jpg</image:loc><image:title>Ferranti Model P3120 Radiator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410249/electric-meter</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/327/large_cd0452_005_081112_1996_10_917_ferranti_3e_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23302/scoriaceous-bear-locality-unknown</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/195/large_smg00092679.jpg</image:loc><image:title>Scoriaceous bear, locality unknown</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413492/vinyl-record-album-by-greater-manchester-radio-chorale</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/58/large_cd0611_002_100216_2005_86_26_bbc_manchester_vinyl_record__thank_you_for_the_music_.jpg</image:loc><image:title>Vinyl Record Album by Greater Manchester Radio Chorale</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/59/large_cd0611_003_100216_2005_86_26_bbc_manchester_vinyl_record__thank_you_for_the_music_.jpg</image:loc><image:title>Vinyl Record Album by Greater Manchester Radio Chorale</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/980/large_smg00247376.jpg</image:loc><image:title>Vinyl Record Album by Greater Manchester Radio Chorale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410678/ferranti-transformer</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/217/large_smg00250715.jpg</image:loc><image:title>Ferranti Transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409962/ferranti-model-20t5-black-and-white-projection-television</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413000/sylvester-coal-mining-jacking-device-c1940</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/282/large_cd0629_027_100806_lcmc_t879_sylvester.jpg</image:loc><image:title>Sylvester, coal mining jacking device. C.1940</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412878/coal-miners-tally-stick</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/666/large_cd0661_044_110816_lcmc_t1899_2_tally_stick.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/722/large_smg00245820.jpg</image:loc><image:title>Coal miner&apos;s tally stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412433/suggestion-box</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/558/large_cd0407_003_080815_2002_19_530_lcm_suggestion_box.jpg</image:loc><image:title>Suggestion box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/844/large_smg00245952.jpg</image:loc><image:title>Suggestion box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23497/finery-slag-showing-crystals-of-magnetite-from-a-foreign-locality</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/768/large_smg00094738.jpg</image:loc><image:title>Finery slag showing crystals of magnetite from a foreign locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22232/hydroxide-of-cadmium</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/608/large_smg00089356.jpg</image:loc><image:title>Hydroxide of cadmium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23298/cyano-nitride-of-titanium-from-herberts-park-iron-works</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22500/nitrate-of-cerium</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/685/large_smg00098039.jpg</image:loc><image:title>Nitrate of cerium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22104/alloy-of-10-parts-of-silver-with-45-of-tin-and-45-of-lead</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/330/large_smg00087998.jpg</image:loc><image:title>Alloy of 10 parts of silver with 45 of tin and 45 of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23262/graphite-from-the-iron-works-of-sir-william-armstrong</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/461/290/large_smg00279881.jpg</image:loc><image:title>Graphite from the iron works of Sir William Armstrong</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415924/model-ge1640x-light-bulb</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23372/pig-iron-no1-analysed-by-messrs-cammel-1874</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/746/large_smg00093472.jpg</image:loc><image:title>Pig-iron, no.1, analysed by Messrs. Cammel, 1874</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410274/ferranti-model-a54f-electric-meter</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/340/large_cd0471_001_081212_1996_10_942_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model A54F electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410424/ferranti-type-fh32k-altitude-indicator</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/50/large_cd0441_017_081105_1996_10_1094_ferranti_1d_artificial_horizon.jpg</image:loc><image:title>Ferranti type FH32K altitude indicator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23408/ancient-pig-iron-from-the-forest-of-dean</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/465/large_smg00093454.jpg</image:loc><image:title>Ancient pig-iron from the Forest of Dean</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410641/ferranti-photo-cells</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/868/large_cd0494_013_090126_1996_10_1310_ferranti_11d_photo_cells.jpg</image:loc><image:title>Ferranti photo cells</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413026/small-hyrdaulic-dowty-prop</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22337/bearing-metal-communicated-by-mr-may</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/706/large_smg00089258.jpg</image:loc><image:title>&quot;Bearing metal&quot;, communicated by Mr. May</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939873/a-ross-xpres-lens</loc><lastmod>2026-01-09T15:18:50.138Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/174/smg00452233.jpg</image:loc><image:title>A Ross Xpres Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410350/ferranti-transformer</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/216/large_smg00250714.jpg</image:loc><image:title>Ferranti Transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417325/five-lenses-for-marconi-mark-iii-television-camera-c-1960</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/458/large_smg00355572.jpg</image:loc><image:title>Five lenses for Marconi Mark III television camera, c 1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22466/blue-oxide-of-tungsten-crystallised</loc><lastmod>2026-01-09T15:18:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/555/large_smg00088063.jpg</image:loc><image:title>Blue oxide of tungsten crystallised</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22951/iron-ore-from-the-forest-of-dean-ground-and-prepared-as-a-brown-colouring-matter</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/501/large_smg00095342.jpg</image:loc><image:title>Iron ore from the Forest of Dean, ground and prepared as a brown colouring matter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22172/microscope-slide-specimens-of-gold-precipitated-by-sulphurous-acid</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/393/large_smg00089329.jpg</image:loc><image:title>Microscope slide specimens of gold, precipitated by sulphurous acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410324/type-fss-144-circuit-board</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/211/large_cd0475_003_081219_1996_10_991_ferranti_10a_circuit_board.jpg</image:loc><image:title>Type FSS 144 circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21877/attempt-at-forming-an-alloy-of-lead-and-iron</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21791/furnace-product-from-freiberg</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/516/large_smg00095088.jpg</image:loc><image:title>Furnace product from Freiberg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23533/piece-of-cinder-showing-a-crystalline-surface</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/757/large_smg00094727.jpg</image:loc><image:title>Piece of cinder showing a crystalline surface</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410114/ferranti-type-me134-circuit-board</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/94/large_cd0482_007_090102_1996_10_793_ferranti_10d_computer_circuit_board.jpg</image:loc><image:title>Ferranti type ME134 circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22765/iron-vessel-made-for-experiments-on-the-permeation-of-hydrogen-when-acted-on-by-dilute-sulphuric-acid</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/366/large_smg00102158.jpg</image:loc><image:title>Iron vessel made for experiments on the permeation of hydrogen when acted on by dilute sulphuric acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410247/electric-meter</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/925/large_cd0445_002_081106_1996_10_915_ferranti_3e_electric_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413065/left-mitten-coal-mining-use</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/354/large_cd0674_044_120105_lcmc_t68_left_mitten.jpg</image:loc><image:title>Left mitten, coal mining use.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412420/miners-lamp-check</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/586/large_smg00244082.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410742/ferranti-model-f3123-heater</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/991/large_smg00246151.jpg</image:loc><image:title>Ferranti Model F3123 Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410520/ferranti-mercury-motor-meter</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/204/large_cd0453_007_081118_1996_10_1189_ferranti_4a_meter.jpg</image:loc><image:title>Ferranti mercury motor meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21881/alloy-of-two-parts-of-lead-one-of-bismuth-and-one-of-tin</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/262/large_smg00001222.jpg</image:loc><image:title>Alloy of two parts of lead, one of bismuth, and one of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409965/ferranti-model-v1414-electric-meter</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/284/large_cd0450_006_081111_1996_10_639_ferranti_4c_meter.jpg</image:loc><image:title>Ferranti model V1414 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22847/experiment-on-the-fusion-of-spiegeleisen-and-copper</loc><lastmod>2026-01-09T15:18:50.506Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/310/large_smg00095318.jpg</image:loc><image:title>Experiment on the fusion of spiegeleisen and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22771/pure-ferric-oxide</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/795/large_smg00102173.jpg</image:loc><image:title>Pure ferric oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410938/watkins-bee-exposure-meter</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/810/large_smg00250029.jpg</image:loc><image:title>Watkin&apos;s &quot;Bee&quot; Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410166/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/326/large_cd0470_009_081212_1996_10_834_ferranti_8a_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410321/ferranti-type-hk50-component</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/438/large_cd0500_010_090206_1996_10_988_ferranti_16c_hk_50_component.jpg</image:loc><image:title>Ferranti type HK50 component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410516/ferranti-model-v3531-electric-meter</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/359/large_cd0471_020_081212_1996_10_1185_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model V3531 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22991/septariaa-ironstone</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/286/large_smg00095267.jpg</image:loc><image:title>Septariaa ironstone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21939/sulphate-of-silver-crystallised-from-sulphuric-acid</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/193/large_smg00001297.jpg</image:loc><image:title>Sulphate of silver crystallised from sulphuric acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22052/crystals-from-a-silver-smelting-furnace-bottom</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22452/molybdic-acid-prepared-by-dr-percy</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/554/large_smg00088062.jpg</image:loc><image:title>Molybdic acid prepared by Dr. Percy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23805/guard-of-japanese-sword-hilt-iron-overlaid-with-a-pattern-in-gold</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/574/large_smg00001113.jpg</image:loc><image:title>Guard of Japanese sword hilt, iron overlaid with a pattern in gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21947/chloride-of-silver-obtained-by-exposing-silver-leaf-to-the-action-of-chlorine-gas</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/172/large_smg00001268.jpg</image:loc><image:title>Chloride of silver obtained by exposing silver leaf to the action of chlorine gas</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21651/white-slag-from-ore-hearth</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/73/large_smg00098316.jpg</image:loc><image:title>White slag from ore hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410442/ferranti-printometer-electric-meter</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412545/mine-electricians-keys</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/198/large_cd0663_020_111004_lcmc_electricans_key.jpg</image:loc><image:title>Mine electrician&apos;s keys.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22560/alloy-of-bismuth-and-magnesium</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/701/large_smg00098099.jpg</image:loc><image:title>Alloy of bismuth and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415747/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22387/alloy-containing-50-antimony-and-50-tin</loc><lastmod>2026-01-09T15:18:50.859Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23598/crystals-formed-in-the-centre-of-a-pig-of-bessemer-iron</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022359/leitz-summar-f2-50mm-lens-c-1930</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22976/white-spathic-iron-ore-from-perran</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/313/large_smg00095322.jpg</image:loc><image:title>White spathic iron ore from Perran</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23704/composite-plates-of-iron-and-steel-for-plough-mould-boards</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/788/large_smg00095452.jpg</image:loc><image:title>Composite plates of iron and steel for plough mould boards</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415688/abc-wax-factory-trolley</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/550/large_cd0718_033_131217_2013_17_27_wooden_trolley.jpg</image:loc><image:title>ABC Wax factory trolley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22568/glucina</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/704/large_smg00098102.jpg</image:loc><image:title>Glucina</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412061/sign-no-2-winding-rope</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/321/large_cd0630_010_100817_lcmc_t2030_no_2_pit_winding_rope_sign.jpg</image:loc><image:title>Sign: &apos;No 2 winding rope...&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21779/lead-speiss-muldner-hutte</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/533/large_smg00095108.jpg</image:loc><image:title>Lead speiss, Muldner Hutte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23468/iridescent-tap-cinder-from-the-blaina-iron-works</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/627/large_smg00093383.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/428/697/large_1889_0164_3298__0001_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/428/699/large_1889_0164_3298__0003_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/428/700/large_1889_0164_3298__0004_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/428/698/large_1889_0164_3298__0002_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/629/large_1889_0164_3298__0002_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/628/large_1889_0164_3298__0001_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/631/large_1889_0164_3298__0004_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/630/large_1889_0164_3298__0003_.jpg</image:loc><image:title>Iridescent tap cinder from the Blaina Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410521/ferranti-packard-electric-meter</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/214/large_smg00250712.jpg</image:loc><image:title>Ferranti-Packard Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412999/magneto-safety-lamp-re-lighter</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/572/large_cd0647_015_110315_lcmc_t88_1_lamp_re_lighter.jpg</image:loc><image:title>Magneto Safety Lamp Re-lighter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412275/mug-decorated-with-generic-scene-of-coal-mine</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/529/large_cd0405_007_080808_2002_19_306_lcm_mug.jpg</image:loc><image:title>Mug, decorated with generic scene of coal mine</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/605/large_smg00245667.jpg</image:loc><image:title>Mug, decorated with generic scene of coal mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22586/alloy-of-aluminium-and-iron-by-r-smith</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22022/blister-copper-obtained-by-melting-the-residue-no1836-with-coal</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23244/slag-from-old-norwegian-bloomeries</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/939/large_smg00092387.jpg</image:loc><image:title>Slag from old Norwegian bloomeries</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410118/ferranti-model-a-instrument</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/799/large_cd0446_022_081107_1996_10_797_ferranti_2a_model_a_instrument.jpg</image:loc><image:title>Ferranti model A instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23662/mass-of-slag-from-an-iron-furnace-at-work-in-the-jungle-near-babupoor</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/492/large_smg00094234.jpg</image:loc><image:title>Mass of slag from an iron furnace at work in the jungle near Babupoor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412971/miners-clogs</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/212/large_cd0675_002_120105_lcmc_t932_miners_clogs.jpg</image:loc><image:title>Miner&apos;s clogs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23462/calcined-cinder-from-the-mill</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/617/large_smg00093373.jpg</image:loc><image:title>Calcined cinder from the mill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21736/furnace-accretion-ofenbruch</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/707/large_smg00096602.jpg</image:loc><image:title>Furnace accretion, &quot;Ofenbruch&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410160/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/173/large_smg00250652.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410519/ferranti-model-a228f-meter</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/202/large_cd0453_006_081118_1996_10_1188_ferranti_4b_meter.jpg</image:loc><image:title>Ferranti model A228F meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23324/incrustation-of-zinc-oxide-from-the-halsbrucke-furnace-germany</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/177/large_smg00092661.jpg</image:loc><image:title>Incrustation of zinc oxide from the Halsbrucke Furnace, Germany</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410196/ferranti-over-voltage-relay</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/173/large_cd0456_021_081125_1996_10_864_ferranti_6b_over_voltage_relay.jpg</image:loc><image:title>Ferranti over voltage relay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412201/nail-for-shoeing-pit-pony</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/238/large_cd0392_008_080710_2002_19_164_lcm_nail_from_a_pit_ponys_shoe.jpg</image:loc><image:title>Nail for shoeing pit pony</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/739/large_smg00245837.jpg</image:loc><image:title>Nail for shoeing pit pony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410588/tel-thermionic-valve</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/123/large_cd0483_010_090102_1996_10_1257_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>TEL thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/326/large_smg00243759.jpg</image:loc><image:title>TEL thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21757/regulus-from-the-liquation-rubbish</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/747/large_smg00096920.jpg</image:loc><image:title>Regulus from the liquation rubbish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415704/fabric-sample</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/734/large_cd0717_049_131216_2013_17_43_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22817/result-of-experiments-on-the-production-of-silicides-of-iron-by-e-riley</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/333/large_smg00095344.jpg</image:loc><image:title>Result of experiments on the production of silicides of iron by E. Riley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415602/puppet-made-by-paul-berry</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/985/large_cd0150_002_050825_cg_l2003_37_14_puppet.jpg</image:loc><image:title>Puppet made by Paul Berry</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410570/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/535/large_smg00249577.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413494/bbc-radio-manchester-promotional-item</loc><lastmod>2026-01-09T15:18:51.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/62/large_cd0611_006_100216_2005_86_28_bbc_manchester_furry_stick_on_bug.jpg</image:loc><image:title>BBC Radio Manchester Promotional Item</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/969/large_smg00247365.jpg</image:loc><image:title>BBC Radio Manchester Promotional Item</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22179/gold-crystals-obtained-from-amalgamation-works</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/410/large_smg00089348.jpg</image:loc><image:title>Gold crystals obtained from amalgamation works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410345/ferranti-pt7-programmable-terminal</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/805/large_smg00246153__0001_.jpg</image:loc><image:title>Ferranti PT7 Programmable Terminal</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/806/large_smg00246153__0002_.jpg</image:loc><image:title>Ferranti PT7 Programmable Terminal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22429/arsenical-ore-ready-for-roasting-from-the-arsenic-works</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/540/large_smg00088041.jpg</image:loc><image:title>Arsenical ore ready for roasting. From the Arsenic Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410422/ferranti-thermionic-valves</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/31/large_smg00250552__0003_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/29/large_smg00250552__0001_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/30/large_smg00250552__0002_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/32/large_smg00250552__0004_.jpg</image:loc><image:title>Ferranti Thermionic Valves</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23628/slag-produced-in-a-siemens-steel-melting-furnace-when-working-cold</loc><lastmod>2026-01-09T15:18:51.684Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410307/queens-award-for-technological-achievement</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/752/large_cd0496_010_090127_1996_10_974_ferranti_12b_award.jpg</image:loc><image:title>Queen&apos;s Award for Technological Achievement</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410509/ferranti-model-a55f-electric-meter</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/354/large_cd0471_015_081212_1996_10_1178_2_ferranti_8d_electric_meter_part.jpg</image:loc><image:title>Ferranti model A55F electric meter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/353/large_cd0471_014_081212_1996_10_1178_ferranti_8d_electric_meter.jpg</image:loc><image:title>Ferranti model A55F electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23653/piece-of-iron-from-which-polish-steel-was-made-at-lubartow</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/494/large_smg00094237.jpg</image:loc><image:title>Piece of iron from which Polish steel was made at Lubartow</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939890/n5-wide-angle-symmetrical-lens</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/152/large_smg00452165.jpg</image:loc><image:title>N.5 Wide Angle Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413043/sumlock-322g-scientist-calcula</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/598/large_cd0647_048_110315_lcmc_t8_2_2001_22_calculator.jpg</image:loc><image:title>SUMLOCK 322G Scientist calcula</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410232/ferranti-model-115-mantel-clock</loc><lastmod>2026-01-09T15:18:51.949Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/243/84/large_cd0139_011_050810_xp_1996_10_900_clock.jpg</image:loc><image:title>Ferranti Model 115 Mantel Clock</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/0/large_smg00246168.jpg</image:loc><image:title>Ferranti Model 115 Mantel Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22075/silver-precipitated-from-the-sulphate-in-irregular-pieces</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/524/large_smg00087986.jpg</image:loc><image:title>Silver precipitated from the sulphate in irregular pieces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23218/crystalline-surface-of-a-slag-showing-an-ingrowth-of-greenish-opaque-material-from-the-four-sides-of-a-tetragonal-prism-having-a-dark-centre-as-a-chiastolite</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/955/large_smg00092404.jpg</image:loc><image:title>Crystalline surface of a slag, showing an ingrowth  of greenish opaque material from the four sides of a tetragonal prism having a dark centre as a chiastolite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23281/bear-from-old-blast-furnace</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/212/large_smg00092704.jpg</image:loc><image:title>Bear from old blast furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022404/ggs-recorder-camera-mark-iii</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/923/large_smg00451973.jpg</image:loc><image:title>G.G.S recorder camera Mark III</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22045/silver-ore-slag</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412556/sign-coal-mining</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/369/large_cd0627_061_100730_lcmc_ince_6_feet_seam_plan.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412449/oldham-and-son-ltd-type-td2a-safety-torch</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/541/large_cd0405_019_080808_2002_19_548_lcm_miners_torch.jpg</image:loc><image:title>Oldham &amp; Son Ltd type TD2A safety torch</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/602/large_smg00245664.jpg</image:loc><image:title>Oldham &amp; Son Ltd type TD2A safety torch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co153712/carl-benz-veteran-car-gedachtnis-rallye-1958-medallion</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/277/large_smg00004760.jpg</image:loc><image:title>Carl Benz Veteran Car Gedachtnis Rallye 1958 Medallion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/651/131/large_smg00004760__0001_.jpg</image:loc><image:title>Carl Benz Veteran Car Gedachtnis Rallye 1958 Medallion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/651/132/large_smg00004760__0002_.jpg</image:loc><image:title>Carl Benz Veteran Car Gedachtnis Rallye 1958 Medallion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21567/result-of-heating-sulphate-of-lead-with-lead</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/31/large_smg00098274.jpg</image:loc><image:title>Result of heating sulphate of lead with lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23023/ironstone-from-niedepas-ariege-france</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/149/large_smg00092632.jpg</image:loc><image:title>Ironstone from Niedepas, Ariege, France</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22940/iron-ore-from-tynardreath-par-cornwall</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/341/large_smg00095391.jpg</image:loc><image:title>Iron ore from Tynardreath, Par, Cornwall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22012/sharp-slag</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/421/large_smg00089362.jpg</image:loc><image:title>Sharp slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412469/shovel-coal-mining</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/323/large_cd0626_003_100723_lcmc_long_handle_shovel.jpg</image:loc><image:title>Shovel, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412857/miners-electric-cap-lamp-and-battery</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22475/tungstate-of-ammonia-prepared-by-dr-percy</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/572/large_smg00088095.jpg</image:loc><image:title>Tungstate of ammonia. Prepared by Dr. Percy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22764/series-of-samples-of-burnt-iron-expressly-made-at-dowlais-ironworks</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/351/large_smg00102142.jpg</image:loc><image:title>Series of samples of &quot;burnt iron&quot; expressly made at Dowlais Ironworks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22597/ingot-of-high-grade-aluminium-bronze-made-in-cowles-electric-furnace</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/298/large_smg00097974.jpg</image:loc><image:title>Ingot of high-grade aluminium bronze, made in Cowles electric furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410408/sterolist-stereoscopic-viewer</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23840/an-old-cast-iron-shot-from-a-ship-at-chatham-dockyard</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22784/thick-iron-wire-heated-in-ammonia</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/503/large_smg00095350.jpg</image:loc><image:title>Thick iron wire heated in ammonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23039/another-example-of-the-same-oolitic-iron-ore</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415937/group-of-five-radiospares-radio-components</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019665/spectrum-tube</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/77/large_smg00229098.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23166/slag-from-no6-iron-at-the-newland-furnaces-ulverston</loc><lastmod>2026-01-09T15:18:52.352Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/980/large_smg00092557.jpg</image:loc><image:title>Slag from No.6 iron at the Newland Furnaces, Ulverston</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22657/nickel-ore-from-new-caledonia</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/250/large_smg00089913.jpg</image:loc><image:title>Nickel ore from New Caledonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23430/crystallised-pig-iron</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/670/large_smg00093428.jpg</image:loc><image:title>Crystallised pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22282/hard-head-powdered</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410542/glass-accumulator-hydrometer</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/470/large_cd0502_009_090210_1996_10_1211_ferranti_15d_hyrometer.jpg</image:loc><image:title>Glass accumulator hydrometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22820/silicate-of-protoxide-of-iron</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/488/large_smg00095304.jpg</image:loc><image:title>Silicate of protoxide of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415661/abc-wax-hand-block-with-metal-printing</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/690/large_cd0717_005_131216_2013_17_3_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand block with metal printing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/689/large_cd0717_004_131216_2013_17_3_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand block with metal printing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413467/uher-portable-tape-recorder</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/240/498/large_cd0149_012_050825_cg_2005_86_1_tape_recorder.jpg</image:loc><image:title>Uher Portable Tape Recorder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22330/tin-from-borneo-marked-rajah-sarawak</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/735/large_smg00089291.jpg</image:loc><image:title>Tin from Borneo. Marked Rajah Sarawak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415669/new-fine-trail-design-hand-printing-block</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/706/large_cd0717_021_131216_2013_17_9_hand_printing_block.jpg</image:loc><image:title>‘New Fine Trail’ design hand printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/705/large_cd0717_020_131216_2013_17_9_hand_printing_block.jpg</image:loc><image:title>‘New Fine Trail’ design hand printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410360/ferranti-model-flxsp-electric-meter</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/499/large_cd0464_011_081211_1996_10_1027_ferranti_6b_electric_meter.jpg</image:loc><image:title>Ferranti model FLXSP electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23587/piece-of-a-bar-of-iron-melted-in-20-minutes</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410747/sign-for-ferranti-ltd</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/550/large_cd0508_003_090220_1996_10_1416_23a_ferranti_sign.jpg</image:loc><image:title>Sign for Ferranti Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/710/large_smg00244424.jpg</image:loc><image:title>Sign for Ferranti Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412865/signalling-key-coal-mining</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/230/large_cd0663_055_111004_lcmc_t242_signalling_key.jpg</image:loc><image:title>Signalling key, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21556/the-same-hollow-globules-mounted-as-microscopic-objects</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410454/ferranti-model-2-heater</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/997/large_smg00246163.jpg</image:loc><image:title>Ferranti Model 2 Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22662/nickel-speiss-as-produced-at-evans-and-askins-nickel-works-birmingham</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/225/large_smg00089881.jpg</image:loc><image:title>Nickel speiss, as produced at Evans and Askin&apos;s Nickel Works, Birmingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23747/grey-cast-iron-shot-broken-up-by-firing-against-an-iron-target-at-shoeburyness</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/414/large_smg00102096.jpg</image:loc><image:title>Grey cast iron shot, broken up by firing against an iron target at Shoeburyness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412523/intrinsically-safe-telephone</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/531/large_cd0646_042_110315_lcmc_atm_intrinsically_safe_telephone.jpg</image:loc><image:title>Intrinsically safe telephone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22768/experiment-on-the-union-of-lime-and-haematite</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/362/large_smg00102154.jpg</image:loc><image:title>Experiment on the union of lime and haematite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410435/ferranti-model-f4144-electric-room-heater</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/460/large_cd0501_021_090210_1996_10_1105_ferranti_15b_electric_room_heater.jpg</image:loc><image:title>Ferranti model F4144 electric room heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23225/blast-furnace-slag</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/839/large_smg00102113.jpg</image:loc><image:title>Blast-furnace slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22875/tungsten-steel-said-to-contain-4-percent-of-tungsten</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/369/large_smg00097488.jpg</image:loc><image:title>Tungsten steel, said to contain 4 percent of tungsten</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23330/deposit-of-chloride-of-ammonium-obtained-from-brickwork-crevices-of-a-blast-furnace-at-ebbw-vale</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/187/large_smg00092671.jpg</image:loc><image:title>Deposit of chloride of ammonium, obtained from brickwork crevices of a blast furnace at Ebbw Vale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410256/ferranti-model-mcaa35-electric-meter</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/920/large_cd0444_019_081106_1996_10_924_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti model MCAA35 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23422/spiegeleisen-with-large-surface-crystals-of-thin-tubular-form</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/656/large_smg00093413.jpg</image:loc><image:title>Spiegeleisen with large surface crystals of thin tubular form</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412514/gas-chromatograph</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/594/large_cd0647_039_110315_lcmc_gas_chromatograph.jpg</image:loc><image:title>Gas chromatograph</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23114/iron-mountain-magnetic-iron-ore</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/851/large_smg00102125.jpg</image:loc><image:title>Iron Mountain magnetic iron ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22056/artificial-copper-pyrites-from-a-furnace-bottom</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21946/chloride-of-silver-dried-to-a-dirty-white-powder</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/182/large_smg00001281.jpg</image:loc><image:title>Chloride of silver dried to a dirty white powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22318/sample-of-tin-produced-by-assay-from-ore-obtained-at-wheal-vor-cornwall</loc><lastmod>2026-01-09T15:18:52.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/730/large_smg00089285.jpg</image:loc><image:title>Sample of tin produced by assay, from ore obtained at Wheal Vor, Cornwall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23709/bar-of-corngreavess-patent-compo-metal-bent-and-fractured</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/795/large_smg00095459.jpg</image:loc><image:title>Bar of Corngreaves&apos;s patent compo-metal, bent and fractured</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412519/telegraph-mechanism-partial</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/330/large_cd0674_018_120105_lcmc_electrical_switch_from_coal_mining_train.jpg</image:loc><image:title>telegraph mechanism, partial</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23132/mass-of-red-clay-locality-unknown-sent-as-a-sample-of-iron-ore</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/39/large_smg00092620.jpg</image:loc><image:title>Mass of red clay, locality unknown, sent as a sample of iron ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23105/laminated-form-of-gothite</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/33/large_smg00092612.jpg</image:loc><image:title>Laminated form of Gothite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22281/hard-head-calcined</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410577/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/190/large_smg00250671.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23334/mass-that-was-originally-clay</loc><lastmod>2026-01-09T15:18:53.058Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/757/large_smg00093486.jpg</image:loc><image:title>Mass that was originally clay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21531/result-of-heating-copper-sulphide-with-20-times-its-weight-of-protoxide-of-lead</loc><lastmod>2026-01-09T15:18:53.336Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/993/large_smg00096921.jpg</image:loc><image:title>Result of heating copper sulphide with 20 times its weight of protoxide of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22438/crystallised-chromic-oxide-baltimore-chrome-works</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/677/large_smg00088083.jpg</image:loc><image:title>Crystallised chromic oxide. Baltimore Chrome Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23311/bear-with-cyano-nitride-of-titanium</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/197/large_smg00092681.jpg</image:loc><image:title>Bear, with cyano-nitride of titanium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23517/refinery-slag-fron-an-unknown-locality</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/743/large_smg00094712.jpg</image:loc><image:title>Refinery slag fron an unknown locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412062/miners-pocket-watch-dust-case</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/267/large_cd0675_057_120105_lcmc_t2028_pocket_watch_dust_cover.jpg</image:loc><image:title>Miner&apos;s pocket watch dust case</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/734/large_smg00245832.jpg</image:loc><image:title>Miner&apos;s pocket watch dust case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8937682/scalpel-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22624/rhodonite-or-silicate-of-manganese</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/253/large_smg00089919.jpg</image:loc><image:title>Rhodonite, or silicate of manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412505/electric-drill-motor</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/313/large_cd0625_064_100723_lcmc_150_cycle_drill_motor.jpg</image:loc><image:title>Electric drill motor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23446/very-columnar-iron-from-the-bear-of-a-blast-furnace</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/640/large_smg00093396.jpg</image:loc><image:title>Very columnar iron from the bear of a blast furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22361/mixed-oxide-of-antimony-obtained-by-roasting-native-antimony-sulphide</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23647/refined-metal-taken-out-of-the-charcoal-finery-at-pont-y-mister</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/482/large_smg00094224.jpg</image:loc><image:title>Refined metal taken out of the charcoal finery at Pont-y-Mister</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21621/poor-slimes</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/813/large_smg00095191.jpg</image:loc><image:title>Poor slimes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21996/gossan</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415930/transistor-radio-receiver</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939862/dogmar-f45-1500mm-fl</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/627/large_smg00452162.jpg</image:loc><image:title>DOGMAR F.4.5, 1500mm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22235/bisulphide-of-tin</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22819/result-of-experiment-in-the-union-of-silicide-of-iron-with-phosphide-of-iron</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/487/large_smg00095303.jpg</image:loc><image:title>Result of experiment in the union of silicide of iron with phosphide of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23638/chisel-made-of-price-and-nicholsons-steel</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/487/large_smg00094229.jpg</image:loc><image:title>Chisel made of Price and Nicholson&apos;s steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22564/attempt-at-an-alloy-of-cobalt-and-magnesium</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/313/large_smg00097990.jpg</image:loc><image:title>Attempt at an alloy of cobalt and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23867/specimens-illustrating-the-power-of-welchs-small-blast-furnace</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/565/large_smg00001104.jpg</image:loc><image:title>Specimens illustrating the power of Welch&apos;s small blast furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410760/group-of-twelve-thermionic-valves</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22103/alloy-of-32-parts-silver-51-parts-copper-17-parts-gold</loc><lastmod>2026-01-09T15:18:53.956Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/352/large_smg00088020.jpg</image:loc><image:title>Alloy of 32 parts silver, 51 parts copper, 17 parts gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23568/small-bar-of-best-iron</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/720/large_smg00094687.jpg</image:loc><image:title>Small bar of best iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410713/ferranti-model-a1760623245-computer-component</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/174/large_cd0484_021_090106_1996_10_1382_ferranti_10d_circuit_board.jpg</image:loc><image:title>Ferranti model A17606/23245 computer component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806898/lipiodol-ultra-fluide-5ml</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/470/large_smg00292441.jpg</image:loc><image:title>Lipiodol ultra-fluide 5ml</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412559/coal-mining-sign</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/367/large_cd0627_059_100730_lcmc_harry_sykes_ltd_sign.jpg</image:loc><image:title>Coal Mining Sign</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/967/large_smg00243934.jpg</image:loc><image:title>Coal Mining Sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22540/alloy-of-magnesium-and-tin</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/460/large_smg00098052.jpg</image:loc><image:title>Alloy of magnesium and tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415919/electrical-component</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21628/ore-calcined-for-two-hours-in-a-reverberatory-flintshire-furnace</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23796/minute-steel-parts-of-a-watch</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/593/large_smg00001135.jpg</image:loc><image:title>Minute steel parts of a watch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23880/compounds-of-an-unspecified-alloy-with-various-metals</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/902/large_smg00091214.jpg</image:loc><image:title>Compounds of an unspecified alloy with various metals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415941/clarostat-model-ln63-rheostat</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413384/piece-of-rail-coal-mining</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/268/large_cd0628_027_100805_lcmc_t356_piece_of_rail.jpg</image:loc><image:title>Piece of rail, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23506/refinery-cinder-from-the-pudding-furnaces-of-the-ebbw-vale-iron-company</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/749/large_smg00094719.jpg</image:loc><image:title>Refinery cinder from the pudding furnaces of the Ebbw Vale Iron Company</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413499/bbc-radio-manchester-audiopak</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/251/large_cd0620_047_100527_2005_86_33_professional_audio_cassette_tape_used_by_radio_manchester.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/971/large_smg00247367.jpg</image:loc><image:title>BBC Radio Manchester Audiopak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410358/ferranti-keyboard</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/892/large_smg00246753__0001_.jpg</image:loc><image:title>Ferranti Keyboard</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/893/large_smg00246753__0002_.jpg</image:loc><image:title>Ferranti Keyboard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22642/alloy-of-one-part-of-iron-with-two-of-manganese</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/255/large_smg00089921.jpg</image:loc><image:title>Alloy of one part of iron with two of manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412448/safety-display-comprising-of-mock-explosive-charge-with-fuse-and-hand-warning-written-note-in-box</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/540/large_cd0405_018_080808_2002_19_547_lcm_explosive___note_in_case.jpg</image:loc><image:title>Safety display comprising of mock explosive charge with fuse and hand warning written note in box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/601/large_smg00245663.jpg</image:loc><image:title>Safety display comprising of mock explosive charge with fuse and hand warning written note in box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22795/silicide-of-iron-by-reduction-of-silica-experiment-by-w-hochstatter-1863</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/510/large_smg00095357.jpg</image:loc><image:title>Silicide of iron by reduction of silica, experiment by W. Hochstatter, 1863</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21776/litharge-refinery-slag-glattfrischeschlacke</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/532/large_smg00095107.jpg</image:loc><image:title>Litharge refinery slag, &quot;Glattfrischeschlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410195/ferranti-type-s-transformer</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/23/large_cd0489_002_090109_1996_10_863_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti type S transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410586/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/163/large_smg00250637.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22293/portion-of-the-furnace-bottom-showing-the-position-of-the-crystals</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/702/large_smg00089246.jpg</image:loc><image:title>Portion of the furnace bottom showing the position of the crystals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23825/scale-scraped-off-the-surface-of-a-conway-tube</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410393/components-for-f2q-meter</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/90/large_smg00250551.jpg</image:loc><image:title>Components for F2Q Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411215/timber-coal-mining</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/254/large_cd0675_044_120105_lcmc_t1898_circular_block_of_timber.jpg</image:loc><image:title>Timber, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23577/larger-specimen-of-the-same-thin-rolled-iron</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/738/large_smg00094707.jpg</image:loc><image:title>Larger specimen of the same thin rolled iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410133/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/891/large_cd0443_012_081106_1996_10_812_ferranti_3b_volt_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23196/puniceous-slags-from-the-blast-furnace-of-the-northern-iron-company-marquette-michigan</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/242/large_smg00093529.jpg</image:loc><image:title>Puniceous slags from the blast-furnace of the Northern Iron Company, Marquette, Michigan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413011/six-dust-sampling-tins-with-lids</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412455/canary-cage-coal-mining</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22280/hard-head-from-chyandour-smelting-works-cornwall</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22606/selenium-from-the-mansfield-copper-works</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/204/large_smg00089295.jpg</image:loc><image:title>Selenium, from the Mansfield Copper Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23454/iron-finery-slag-from-an-unknown-locality</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/641/large_smg00093397.jpg</image:loc><image:title>Iron finery slag from an unknown locality</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21594/coarse-galena-and-blende-intermixed-from-welkenradt-belgium</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/922/large_smg00208543.jpg</image:loc><image:title>Coarse galena and blende intermixed, from Welkenradt, Belgium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21960/result-of-heating-together-silver-and-phosphorus</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/187/large_smg00001287.jpg</image:loc><image:title>Result of heating together silver and phosphorus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22777/globules-of-iron-separated-from-the-graphite-produced-in-the-experiment</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/536/large_smg00095385.jpg</image:loc><image:title>Globules of iron separated from the graphite produced in the experiment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21642/black-crystalline-slag-from-the-breast-pan-of-the-slag-hearth</loc><lastmod>2026-01-09T15:18:54.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/826/large_smg00095208.jpg</image:loc><image:title>Black crystalline slag from the breast pan of the slag hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23207/basic-slag-from-a-hot-blast-furnace</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/251/large_smg00093539.jpg</image:loc><image:title>Basic slag from a hot-blast-furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410508/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:54.715Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/198/large_cd0453_004_081118_1996_10_1177_ferranti_4c_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412532/two-drill-bits</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/962/large_cd0658_058_110809_lcmc_drill_bits.jpg</image:loc><image:title>Two drill bits</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23639/carburised-iron-as-it-flows-from-the-cupola-parrys-process-patented-1861</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/485/large_smg00094227.jpg</image:loc><image:title>Carburised iron as it flows from the cupola. (Parry&apos;s process patented 1861)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22312/ingots-of-tin-used-in-experiments-for-purifying-it-by-pattinsons-process-for-lead</loc><lastmod>2026-01-09T15:18:54.796Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23350/grey-pig-iron</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/766/large_smg00093495.jpg</image:loc><image:title>Grey pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22288/crystals-found-on-some-of-the-hard-head-at-the-redruth-smelting-works</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/708/large_smg00089261.jpg</image:loc><image:title>Crystals found on some of the hard head at the Redruth Smelting Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805059/circular-infrared-lamp-for-communication-system-development</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/679/large_smg00721957__0003_.jpg</image:loc><image:title>Circular infrared lamp for communication system development</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/678/large_smg00721957__0002_.jpg</image:loc><image:title>Circular infrared lamp for communication system development</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/677/large_smg00721957__0001_.jpg</image:loc><image:title>Circular infrared lamp for communication system development</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22390/kermes-mineral-prepared-by-w-baker</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23341/crystals-deposited-on-a-hard-surface-in-an-ironworks-in-south-staffordshire</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/763/large_smg00093492.jpg</image:loc><image:title>Crystals Deposited on a hard surface in an ironworks in South Staffordshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415881/type-6v6g-thermionic-valve</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409939/ferranti-mark-8-gyroscopic-gunsight</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/906/large_cd0444_005_081106_1996_10_613_ferranti_1d_gyroscopic_gunsight.jpg</image:loc><image:title>Ferranti Mark 8 gyroscopic gunsight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22672/crystallised-slag</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/325/large_smg00098111.jpg</image:loc><image:title>Crystallised slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22070/artificially-crystallised-copper-boston-silver-smelting-works</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/354/large_smg00088022.jpg</image:loc><image:title>Artificially crystallised copper. Boston Silver Smelting Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410361/kelvin-and-james-white-electric-meter</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/335/large_cd0452_017_081114_1996_10_1028_ferranti_4b_meter.jpg</image:loc><image:title>Kelvin &amp; James White electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415603/centipede-character-puppet-from-the-1996-disney-animation-film-james-and-the-giant-peach</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/5/large_cd0150_022_050825_cc3_l2003_37_15_puppet.jpg</image:loc><image:title>Centipede character puppet from the 1996 Disney animation film &apos;James and the Giant Peach&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22722/german-silver-alloyed-with-4-percent-tungsten</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/286/large_smg00097961.jpg</image:loc><image:title>German silver alloyed with 4 percent tungsten</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415958/shell-fuze</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410583/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/165/large_smg00250640.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23263/artifiical-graphite-from-mr-blackwells-iron-works</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/219/large_smg00092715.jpg</image:loc><image:title>Artifiical graphite from Mr. Blackwell&apos;s Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23359/white-iron-showing-radiating-structure</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/737/large_smg00093463.jpg</image:loc><image:title>White iron showing radiating structure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410356/ferranti-electric-relay</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/498/large_cd0464_010_081211_1996_10_1023_ferranti_6a_electric_relay.jpg</image:loc><image:title>Ferranti electric relay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410980/dye-sample-iso-purpurin</loc><lastmod>2026-01-09T15:18:55.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/244/291/large_cd0128_007_050721_t_1997_7_1_57_iso_purpurin.jpg</image:loc><image:title>Dye Sample; Iso-Purpurin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/636/large_y1997_0007_0001_0057__0001_.jpg</image:loc><image:title>Dye Sample; Iso-Purpurin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/638/large_y1997_0007_0001_0057__0002_.jpg</image:loc><image:title>Dye Sample; Iso-Purpurin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/890/large_y1997_0007_0001_0057__0003_.jpg</image:loc><image:title>Dye Sample; Iso-Purpurin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415938/group-of-three-radiospares-pre</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23141/limestone-used-at-ystalyfera-south-wales</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/35/large_smg00092614.jpg</image:loc><image:title>Limestone used at Ystalyfera, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22297/mossiac-gold-on-the-surface-of-hard-head-from-the-chyandour-smelting-works</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22656/nickeliferous-pyrites-from-espedal</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/249/large_smg00089912.jpg</image:loc><image:title>Nickeliferous pyrites from Espedal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939736/anastigmat-lens-f6-lens</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/192/smg00452465.jpg</image:loc><image:title>Anastigmat lens F.6 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410129/ferranti-artificial-horizon</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/999/large_cd0439_010_081104_1996_10_808_ferranti_1a_artificial_horizon.jpg</image:loc><image:title>Ferranti artificial horizon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413058/sign-notice</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/332/large_cd0626_013_100723_lcmc_t_774_notice.jpg</image:loc><image:title>Sign - &apos;Notice</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22125/gold-from-2000-grains-of-lead-called-pzribramer-hartblei</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/323/large_smg00087977.jpg</image:loc><image:title>Gold from 2,000 grains of lead called Pzribramer Hartblei</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23357/grey-pig-iron-from-dallmellington</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/739/large_smg00093465.jpg</image:loc><image:title>Grey pig-iron from Dallmellington</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409946/ferranti-type-b-ac-electric-meter</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/166/large_cd0456_014_081125_1996_10_620_ferranti_6c_meter.jpg</image:loc><image:title>Ferranti Type B AC electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21496/zinc-perfectly-free-from-iron</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23018/a-black-colitic-iron-ore-from-ireland</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/143/large_smg00092626.jpg</image:loc><image:title>A black colitic iron ore from Ireland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23367/small-piece-of-white-pig-iron</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/752/large_smg00093480.jpg</image:loc><image:title>Small piece of white pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21923/silver-reduced-from-sulphide-of-silver-by-hydrogen</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/168/large_smg00001264.jpg</image:loc><image:title>Silver reduced from sulphide of silver by hydrogen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412502/self-detaching-hook</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/328/large_cd0626_009_100723_lcmc_self_detaching_hook.jpg</image:loc><image:title>Self detaching hook</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23415/spiegeleisen-containing-127-per-cent-of-manganese</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/651/large_smg00093407.jpg</image:loc><image:title>Spiegeleisen, containing 12.7 per cent of manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410623/phillips-thermionic-valve</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/160/large_cd0484_007_090106_1996_10_1292_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Phillips thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/140/large_smg00243513.jpg</image:loc><image:title>Phillips thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022402/the-auto-aircraft-camera-mk-iii-uses-15-inch-perforated-film</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/919/large_smg00451968.jpg</image:loc><image:title>The Auto Aircraft Camera Mk III uses 1.5 inch perforated film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412331/rescuemans-check-from-boothst</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/570/large_smg00244066.jpg</image:loc><image:title>Rescueman&apos;s check from Boothst</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410370/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/44/large_cd0441_011_081105_1996_10_1037_ferranti_3c_electric_meter.jpg</image:loc><image:title>Ferranti Electric Meter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/419/large_smg00243859.jpg</image:loc><image:title>Ferranti Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22209/platinum-electro-deposited-on-silver-by-messrs-johnson</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415741/rca-thermionic-valve</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23163/blast-furnace-slag</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/965/large_smg00092542.jpg</image:loc><image:title>Blast-furnace slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410239/ferranti-model-947-clock</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/356/large_smg00246752.jpg</image:loc><image:title>Ferranti Model 947 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21619/waste-ores-keld-head-lead-works</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/817/large_smg00095195.jpg</image:loc><image:title>Waste ores, Keld Head Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409944/ferranti-type-fcc-electric-meter</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/104/large_smg00250573.jpg</image:loc><image:title>Ferranti Type FCc Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22105/rolled-out-united-states-dollar</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/355/large_smg00088023.jpg</image:loc><image:title>Rolled out United States dollar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22600/metallic-indium</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/307/large_smg00097984.jpg</image:loc><image:title>Metallic indium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21873/alloy-of-lead-containing-3855-per-cent-of-arsenic</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/144/large_smg00001212.jpg</image:loc><image:title>Alloy of lead containing 38.55 per cent of arsenic</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410944/simple-microscope</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/712/large_smg00245799.jpg</image:loc><image:title>Simple microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22705/specimen-of-nickel</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/346/large_smg00100817.jpg</image:loc><image:title>Specimen of nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410460/ferranti-type-355-radiogram</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22068/crystals-believed-to-be-disulphide-of-copper</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/333/large_smg00088001.jpg</image:loc><image:title>Crystals believed to be disulphide of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22109/chinese-chopped-dollar</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/340/large_smg00088008.jpg</image:loc><image:title>Chinese chopped dollar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22896/pieces-of-meteoric-iron</loc><lastmod>2026-01-09T15:18:56.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/859/large_smg00102134.jpg</image:loc><image:title>Pieces of meteoric iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21554/silicate-of-lead-from-red-lead-and-sand</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/47/large_smg00098290.jpg</image:loc><image:title>Silicate of lead from red lead and sand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410756/wooden-clock</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/925/large_cd0678_061_120213_1996_10_1450_ferranti_clock.jpg</image:loc><image:title>Wooden clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22505/cerium-residues-consisting-of-brick-red-powder</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/681/large_smg00098035.jpg</image:loc><image:title>Cerium residues, consisting of brick-red powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22355/sulphide-of-antimony-reduced-by-heating-one-equivalent-of-it-with-three-equivalent-of-iron</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22533/magnesium-wire-and-ribbon-heated-in-a-current-of-hydrogen-and-phosphorus-vapour</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/456/large_smg00098031.jpg</image:loc><image:title>Magnesium wire and ribbon heated in a current of hydrogen and phosphorus vapour</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22121/auriferous-copper-before-and-after-triburation</loc><lastmod>2026-01-09T15:18:56.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/343/large_smg00088011.jpg</image:loc><image:title>Auriferous copper before and after triburation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22336/britannia-metal-from-mr-sturges-birmingham</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22755/two-specimens-of-metallic-cobalt-prepared-by-mr-askin-1845</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/352/large_smg00102143.jpg</image:loc><image:title>Two specimens of metallic cobalt, prepared by Mr. Askin, 1845</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23618/sample-of-phosphorised-wrought-iron-1878</loc><lastmod>2026-01-09T15:18:56.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21924/silver-reduced-from-sulphide-of-silver-by-hydrogen</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/272/large_smg00001275.jpg</image:loc><image:title>Silver reduced from sulphide of silver by hydrogen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410484/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/512/large_cd0465_002_081211_1996_10_1153_ferranti_6c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412569/candle-holder-with-candle-stub</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/948/large_cd0658_044_110809_lcmc_candle_holder_with_candle_c_1900.jpg</image:loc><image:title>Candle holder with candle stub</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21459/concretion-of-oxide-of-zinc-formed-by-leaving-the-pot-in-the-furnace</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21751/the-scum-abzug</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23612/steel-experimentally-produced-by-bessemers-process-june-1857</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412884/msa-type-d6-methanometer</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23052/iron-ore-from-portugal-smelted-at-the-dowlais-iron-works-1870</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/4/large_smg00092582.jpg</image:loc><image:title>Iron ore from Portugal, smelted at the Dowlais Iron Works, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22862/attempt-at-the-union-of-iron-and-bismuth</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/307/large_smg00095302.jpg</image:loc><image:title>Attempt at the union of iron and bismuth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23386/llynvi-iron</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/673/large_smg00093433.jpg</image:loc><image:title>Llynvi iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412425/group-of-four-stickers</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/603/large_smg00244099.jpg</image:loc><image:title>Group of four stickers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23030/the-same-spathic-iron-ore-from-siegen-after-calcination</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/156/large_smg00092639.jpg</image:loc><image:title>The same spathic iron ore from Siegen after calcination</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21888/lead-pipe-coated-internally-with-tin-from-the-international-exhibition</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22733/portion-of-nickel-and-iron-alloy</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/365/large_smg00102157.jpg</image:loc><image:title>Portion of nickel and iron alloy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23420/another-specimen-of-the-same-accidental-spiegeleisen-showing-flat-thin-crystalline-plates</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/584/large_smg00073073.jpg</image:loc><image:title>Another specimen of the same accidental spiegeleisen, showing flat thin crystalline plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22929/haematite-iron-ore-as-used-at-dowlais-furnaces-1870</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/356/large_smg00095407.jpg</image:loc><image:title>Haematite iron ore as used at Dowlais Furnaces, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410223/ferranti-resistor</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/528/large_cd0505_009_090217_1996_10_891_ferranti_16e_resistor.jpg</image:loc><image:title>Ferranti resistor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23095/iron-ore-from-the-suckasunny-mine-new-jersey-usa</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/241/large_smg00093528.jpg</image:loc><image:title>Iron ore from the Suckasunny Mine, New Jersey, USA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22655/nickeliferous-pyrites-from-norway</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/244/large_smg00089907.jpg</image:loc><image:title>Nickeliferous pyrites from Norway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22570/phosphate-of-glucina</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/703/large_smg00098101.jpg</image:loc><image:title>Phosphate of glucina</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23122/oolitic-iron-ore-communicated-by-the-earl-of-ilchester</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/24/large_smg00092603.jpg</image:loc><image:title>Oolitic iron ore, communicated by the Earl of Ilchester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21507/zinc-and-lead</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22222/native-alloy-of-osmium-and-iridium</loc><lastmod>2026-01-09T15:18:56.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/425/large_smg00089368.jpg</image:loc><image:title>Native alloy of osmium and iridium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22691/arseniate-of-iron-precipitated-on-the-extraction-of-nickel</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/708/large_smg00100795.jpg</image:loc><image:title>Arseniate of iron precipitated on the extraction of nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413051/code-of-shaft-signals-sign</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/278/large_cd0628_037_100805_lcmc_t797_code_of_shaft_signals_sign.jpg</image:loc><image:title>&apos;Code of Shaft Signals&apos; sign</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/463/large_smg00243927.jpg</image:loc><image:title>&apos;Code of Shaft Signals&apos; sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22161/assay-gold-prepared-by-messrs-johnson-and-matthey-1871</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019667/geissler-tube</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/610/large_smg00174422.jpg</image:loc><image:title>Geissler tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22381/crystals-of-antimony-communicated-by-josiah-cooke</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413005/pneumatic-drill</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/577/large_cd0660_034_110809_lcmc_t871_2_pneumatic_drill.jpg</image:loc><image:title>Pneumatic drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22607/solid-delenium-communicated-by-professor-wh-miller</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/206/large_smg00089298.jpg</image:loc><image:title>Solid delenium, communicated by Professor W.H. Miller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412591/alarm-bell-coal-mining</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/208/large_cd0663_033_111004_lcmc_shaft_signalling_bell.jpg</image:loc><image:title>Alarm bell, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413481/bbc-radio-manchester-pen</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/43/large_cd0610_009_100216_2005_86_15_bbc_manchester_radio_manchester_rectangular_shaped_flip_pen.jpg</image:loc><image:title>BBC Radio Manchester Pen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/996/large_smg00246162.jpg</image:loc><image:title>BBC Radio Manchester Pen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22791/attempt-at-the-production-of-a-silicide-of-iron-by-means-of-silico-fluoride-of-potassium</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/513/large_smg00095360.jpg</image:loc><image:title>Attempt at the production of a silicide of iron by means of silico-fluoride of potassium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22146/gold-and-silver-from-100-grains-of-lead-ore</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412133/promotional-ash-tray-from-manchester-collieries-ltd</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/505/large_cd0404_007_080808_2002_19_74_lcm_ash_tray.jpg</image:loc><image:title>Promotional ash tray from Manchester Collieries Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/609/large_smg00245671.jpg</image:loc><image:title>Promotional ash tray from Manchester Collieries Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412547/msa-methane-detector-from-oldham-meadows-colliery</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/195/large_cd0663_017_111004_lcmc_cm19_methane_meter___lamp.jpg</image:loc><image:title>&apos;MSA&apos; methane detector from Oldham Meadows Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410124/ferranti-mark-2-stall-warning-control-unit</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/994/large_cd0439_005_081104_1996_10_803_ferranti_1b_stall_warning_control_unit.jpg</image:loc><image:title>Ferranti mark 2 stall warning control unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21930/sulphide-of-silver-which-has-been-cupelled</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/174/large_smg00001270.jpg</image:loc><image:title>Sulphide of silver which has been cupelled</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22231/ingots-of-remelted-cadmium-showing-the-roughness</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/613/large_smg00089370.jpg</image:loc><image:title>Ingots of remelted cadmium, showing the roughness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21486/finely-granulated-zinc</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412333/miners-pay-token</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/661/large_smg00245732.jpg</image:loc><image:title>Miner&apos;s pay token</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22770/magnetite-artifically-formed-in-the-extraction-of-iodine-from-chilian-nitre</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/360/large_smg00102152.jpg</image:loc><image:title>Magnetite artifically formed in the extraction of iodine from Chilian nitre</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23128/specimen-resembling-spathic-iron-ore-but-containing-only-611-metallic-iron</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/17/large_smg00092596.jpg</image:loc><image:title>Specimen resembling spathic iron ore, but containing only 6.11% metallic iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410331/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/331/large_cd0452_013_081113_1996_10_998_ferranti_4a_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23478/crystalline-tap-cinder</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/612/large_smg00093368.jpg</image:loc><image:title>Crystalline tap cinder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410734/model-fl67xl84e1-shell-fuse-nosecap</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/36/large_cd0441_003_081105_1996_10_1404_ferranti_2c_shell_fuse_nosecap.jpg</image:loc><image:title>Model FL67XL84E1 shell fuse nosecap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412443/pocket-watch-presented-to-james-fox-for-heroic-conduct</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/256/large_cd0393_002_080710_2002_19_542_lcm_pocket_watch_back.jpg</image:loc><image:title>Pocket watch presented to James Fox for heroic conduct</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/255/large_cd0393_001_080710_2002_19_542_lcm_pocket_watch_front.jpg</image:loc><image:title>Pocket watch presented to James Fox for heroic conduct</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/727/large_smg00245825.jpg</image:loc><image:title>Pocket watch presented to James Fox for heroic conduct</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23572/bar-of-wrought-iron-from-horsdall-iron-works</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/737/large_smg00094706.jpg</image:loc><image:title>Bar of wrought iron from Horsdall(?) Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410704/spegel-mark-iii-battery-charger-control-unit</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/55/large_cd0441_022_081105_1996_10_1373_ferranti_2d.jpg</image:loc><image:title>Spegel Mark III battery charger control unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415925/ferranti-ltd-model-a700-light-meter</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412435/brick-stamped-a-mason-horwich</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/227/large_cd0391_017_080708_2002_19_532_lcm_brick.jpg</image:loc><image:title>Brick, stamped &quot;A Mason Horwich&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/672/large_smg00245743.jpg</image:loc><image:title>Brick, stamped &quot;A Mason Horwich&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23136/cement-stone-nodule-containing-iron-and-mistaken-for-ironstone</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/38/large_smg00092619.jpg</image:loc><image:title>Cement-stone nodule containing iron and mistaken for ironstone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22143/gold-from-4000-grains-of-lead-obtained-by-precipitation-from-acetate-of-lead-by-zinc</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/384/large_smg00089320.jpg</image:loc><image:title>Gold from 4,000 grains of lead obtained by precipitation from acetate of lead by zinc</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019687/crookes-vacuum-tube-containing-mineral-samples</loc><lastmod>2026-01-09T15:18:57.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/601/large_smg00174411.jpg</image:loc><image:title>Crookes vacuum tube containing mineral samples</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/41/161/large_1974_0412_0028.jpg</image:loc><image:title>Crookes vacuum tube containing mineral samples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412522/mineral-geological-specimens</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/317/large_cd0625_068_100723_lcmc_agecroft_core_samples.jpg</image:loc><image:title>Mineral geological specimens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22450/molybdenum-ore</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/561/large_smg00088069.jpg</image:loc><image:title>Molybdenum ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415702/fabric-sample</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/732/large_cd0717_047_131216_2013_17_41_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415692/fabric-sample</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/722/large_cd0717_037_131216_2013_17_31_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22173/gold-precipitated-by-ferrous-sulphate</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/392/large_smg00089328.jpg</image:loc><image:title>Gold precipitated by ferrous sulphate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21890/nails-made-of-a-patented-alloy-for-slate-fastening</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/151/large_smg00001230.jpg</image:loc><image:title>Nails made of a patented alloy, for slate fastening</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019685/crookes-vacuum-tube-containing-a-mineral-sample</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/604/large_smg00174415.jpg</image:loc><image:title>Crookes vacuum tube containing a mineral sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21453/franklinite-from-new-jersey</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23329/deposit-of-oxide-of-lead-from-the-gutters-of-the-iron-furnaces-of-the-absacher-works</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22666/metal-nickel-speiss</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/330/large_smg00098115.jpg</image:loc><image:title>Metal nickel speiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415750/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415724/abc-wax-fabric-sample-new-fine-trail-design</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/765/large_cd0716_059_131216_2013_17__63_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;New Fine Trail&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22034/slag-from-sweep-refinery-from-bettss-works-birmingham</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23355/langloan-pig-iron</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/770/large_smg00093499.jpg</image:loc><image:title>Langloan pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23591/flat-bar-iron-which-has-remained-for-a-long-time-in-a-glass-pot</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21470/tube-of-oxide-of-zinc-formed-on-a-cupel-in-which-zinc-was-heated-in-a-muffle</loc><lastmod>2026-01-09T15:18:57.677Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co24050/l-section-of-rail-coalbrookdale</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/935/large_smg00219190.jpg</image:loc><image:title>L-Section of Rail Coalbrookdale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23829/concretions-of-hydrous-ferric-oxide-which-have-formed-inside-the-pipe-choking-it-up</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/728/large_smg00102077.jpg</image:loc><image:title>Concretions of hydrous ferric oxide which have formed inside the pipe, choking it up</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23437/very-largely-crystalline-cast-iron</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/654/large_smg00093410.jpg</image:loc><image:title>Very largely crystalline cast iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22454/pure-molybdic-acid</loc><lastmod>2026-01-09T15:18:57.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/562/large_smg00088070.jpg</image:loc><image:title>Pure molybdic acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23656/piece-of-tilted-steel-drawn-from-one-of-the-above-converted-bars</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/502/large_smg00094245.jpg</image:loc><image:title>Piece of tilted steel drawn from one of the above converted bars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22086/alloy-of-silver-and-zinc-containing-2247-percent-silver</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/530/large_smg00087992.jpg</image:loc><image:title>Alloy of silver and zinc, containing 22.47 percent silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019661/spectrum-tube</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/29/large_smg00174416.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412503/fire-pump-bucket</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/353/large_cd0627_027_100723_lcmc_896_fire_pump_bucket.jpg</image:loc><image:title>Fire pump bucket</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410234/ferranti-electric-clock</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/73/large_smg00247496.jpg</image:loc><image:title>Ferranti Electric Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23560/sample-piece-of-rail-iron</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/715/large_smg00094681.jpg</image:loc><image:title>Sample piece of rail iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23439/pig-of-cast-iron-showing-a-layer-of-larger-crystals-at-some-depth-from-the-surface</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/671/large_smg00093429.jpg</image:loc><image:title>Pig of cast iron, showing a layer of larger crystals at some depth from the surface</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22826/result-of-experiment-on-the-carburisation-of-iron-by-cementation</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/301/large_smg00095283.jpg</image:loc><image:title>Result of experiment on the carburisation of iron by cementation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23134/limestone-sent-as-spathic-iron-ore-from-bonnsville-court-saunderfoot-pembrokeshire</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/18/large_smg00092597.jpg</image:loc><image:title>Limestone sent as spathic iron ore from Bonnsville Court, Saunderfoot, Pembrokeshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415952/ferranti-ltd-heater-element</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23782/series-of-pianoforte-steel-wires</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/599/large_smg00001141.jpg</image:loc><image:title>Series of pianoforte steel wires</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22992/pennystone-ironstone-ystalyfera-south-wales</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/285/large_smg00095266.jpg</image:loc><image:title>Pennystone ironstone, Ystalyfera, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410263/ferranti-electric-room-heater</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413475/tape-reel</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/240/478/large_cd0151_010_050830_cg_2005_86_9_tape_reel.jpg</image:loc><image:title>Tape reel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410199/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:58.214Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/174/large_cd0456_022_081125_1996_10_867_ferranti_6e_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22488/yttrotantalite-from-ytterby-in-sweden</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/578/large_smg00088108.jpg</image:loc><image:title>Yttrotantalite from Ytterby, in Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8414582/pickaxe-blade</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/555/large_cd0646_068_110315_lcmc_t1569_pick_blade.jpg</image:loc><image:title>Pickaxe Blade</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413008/mining-electric-main-roadway-lamp</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22852/alloy-of-2-of-copper-with-8-of-iron-experiment-by-j-richardson</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/479/large_smg00095294.jpg</image:loc><image:title>Alloy of 2 of copper with 8 of iron, experiment by J. Richardson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23211/glassy-variety-of-the-same-slag-as-the-last-showing-the-isolation-of-the-crystals-in-the-glass</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/245/large_smg00093533.jpg</image:loc><image:title>Glassy variety of the same slag as the last, showing the isolation of the crystals in the glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412587/sign-coal-mining-use</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/967/large_cd0658_063_110809_lcmc_inflammability_of_metane_siign.jpg</image:loc><image:title>Sign, coal mining use.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409925/ferranti-voltmeter</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/580/large_cd0468_010_081212_1996_10_599_ferranti_8b_electric_meter.jpg</image:loc><image:title>Ferranti voltmeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415944/metal-products-ltd-clarostat-t</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21584/result-of-experiment-showing-reduction-of-arsenite-of-lead</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/26/large_smg00098269.jpg</image:loc><image:title>Result of experiment showing reduction of arsenite of lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23414/spiegeleisen-from-dowlais-iron-works</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/696/large_smg00093458.jpg</image:loc><image:title>Spiegeleisen from Dowlais Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22613/amorphous-boron</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/232/large_smg00089890.jpg</image:loc><image:title>Amorphous boron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409949/cathode-ray-tube</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/508/large_cd0504_006_090217_1996_10_623_ferranti_20b_cathode_ray_tube.jpg</image:loc><image:title>Cathode ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412221/lamp-hook-c-1925</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/536/large_cd0383_013_080612_2002_19_194_lancashire_coal_mining_lamp_part.jpg</image:loc><image:title>Lamp hook, c. 1925.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/732/large_smg00245830.jpg</image:loc><image:title>Lamp hook, c. 1925.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411955/ratchet-drill-coal-mining-use</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/650/large_cd0647_066_110315_lcmc_t208_rachet.jpg</image:loc><image:title>Ratchet drill, coal mining use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23100/iron-ore-from-western-virgina</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/139/large_smg00092622.jpg</image:loc><image:title>Iron ore from Western Virgina</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22210/platinum-electro-deposited-on-copper-by-messrs-johnson</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22087/alloy-of-silver-and-zinc-containing-4972-percent-silver</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/347/large_smg00088015.jpg</image:loc><image:title>Alloy of silver and zinc, containing 49.72 percent silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23167/black-glassy-slag-in-small-irregular-fragments</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/979/large_smg00092556.jpg</image:loc><image:title>Black glassy slag in small irregular fragments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8937684/small-tube-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410342/ferranti-model-ct-11507-and-11508-electric-meter</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/334/large_cd0452_016_081114_1996_10_1009_ferranti_4a_meter.jpg</image:loc><image:title>Ferranti model CT 11507 &amp; 11508 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23206/basic-slag-from-a-hot-blast-furnace-working-with-coke</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/249/large_smg00093537.jpg</image:loc><image:title>Basic slag from a hot-blast-furnace working with coke</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411192/national-coal-board-western-area-abbreviations-on-pay-slips-sign</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21949/result-of-fusing-together-chloride-of-silver-and-chloride-of-sodium</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/181/large_smg00001280.jpg</image:loc><image:title>Result of fusing together chloride of silver and chloride of sodium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410432/ferranti-cf6180s-electric-heater</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/120/large_smg00247547.jpg</image:loc><image:title>Ferranti CF6180S Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22832/experiment-results-of-the-conversion-of-soft-iron-into-steel</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23240/crystalline-blast-furnace-slag</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/794/large_smg00073071.jpg</image:loc><image:title>Crystalline blast-furnace slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022400/leitz-universal-viewfinder</loc><lastmod>2026-01-09T15:18:58.927Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412486/coal-sample</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/203/large_cd0663_025_111004_lcmc_large_piece_of_coal1.jpg</image:loc><image:title>Coal sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22872/alloy-of-iron-and-magnesium</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/378/large_smg00097506.jpg</image:loc><image:title>Alloy of iron and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410189/ferranti-electric-meter</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/314/large_cd0451_014_081111_1996_10_857_ferranti_4d_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21933/coating-of-silver-spontaneously-deposited-from-mrwoolrichs-solution-of-silver-in-sulphite-of-potash</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939711/teleros-telephoto-lens</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/64/large_smg00452118.jpg</image:loc><image:title>Teleros Telephoto Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23862/coke-like-mass-from-a-gas-retort-showing-mammillated-surfaces</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/402/large_smg00102082.jpg</image:loc><image:title>Coke-like mass from a gas retort, showing mammillated surfaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23655/bar-of-cast-steel-made-from-the-above-iron</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/497/large_smg00094240.jpg</image:loc><image:title>Bar of cast steel made from the above iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409957/ferranti-type-me-161-circuit-board</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/63/large_cd0480_020_081222_1996_10_631_ferranti_10d_circuit_board.jpg</image:loc><image:title>Ferranti type ME 161 circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22462/wolfram-for-experimental-purposes</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/565/large_smg00088086.jpg</image:loc><image:title>Wolfram, for experimental purposes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412487/coal-sample</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/202/large_cd0663_024_111004_lcmc_large_coal_sample.jpg</image:loc><image:title>Coal Sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23775/electrotype-iron-produced-by-the-process-of-acierage</loc><lastmod>2026-01-09T15:18:59.183Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/865/large_smg00089928.jpg</image:loc><image:title>Electrotype iron, produced by the process of Acierage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23483/compact-finery-slag-with-a-surface-of-small-rhombic-crystals-referred-to-iron-olivine</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/611/large_smg00093367.jpg</image:loc><image:title>Compact finery-slag, with a surface of small rhombic crystals referred to iron olivine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23716/piece-of-blister-steel-with-one-large-hollow-blister-extending-on-both-sides</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/824/large_smg00095488.jpg</image:loc><image:title>Piece of blister-steel with one large hollow blister extending on both sides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22217/alloy-of-palladium-and-hydrogenium-discovered-by-graham</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/416/large_smg00089355.jpg</image:loc><image:title>Alloy of palladium and hydrogenium. Discovered by Graham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23079/mass-of-crystalline-iron-ore-from-yeddo-japan</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/229/large_smg00093516.jpg</image:loc><image:title>Mass of crystalline iron ore from Yeddo, Japan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410458/ferranti-advance-86-microcomputer</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/467/large_cd0502_006_090210_1996_10_1128_ferranti_13c_microcomputer.jpg</image:loc><image:title>Ferranti Advance 86 microcomputer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22859/attempt-at-the-union-of-iron-and-titanium</loc><lastmod>2026-01-09T15:18:59.177Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/497/large_smg00095314.jpg</image:loc><image:title>Attempt at the union of iron and titanium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412450/first-aid-tin-lockable</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/559/large_cd0407_004_080815_2002_19_549_lcm_first_aid_kit.jpg</image:loc><image:title>First aid tin, lockable</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/839/large_smg00245945.jpg</image:loc><image:title>First aid tin, lockable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21767/slag-schlacke</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/511/large_smg00095082.jpg</image:loc><image:title>Slag, &quot;Schlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22513/crystallised-sulphate-of-didymium</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/691/large_smg00098045.jpg</image:loc><image:title>Crystallised sulphate of didymium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22262/tin-ore-from-tasmania-presented-by-mr-c-gould-1874</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22790/piece-of-paddled-bar-made-from-the-above-balls</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/335/large_smg00095346.jpg</image:loc><image:title>Piece of &quot;paddled bar&quot; made from the above balls?</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23753/piece-of-armstrong-gun-breech-piece-broken-across</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/861/large_smg00089922.jpg</image:loc><image:title>Piece of Armstrong gun breech-piece broken across</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410556/ferranti-integrated-circuits</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/839/large_cd0490_016_090113_1996_10_1225_ferranti_11d_silicon_chip.jpg</image:loc><image:title>Ferranti integrated circuits</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22567/another-product-of-the-substitution-of-magnesium-for-zinc-is-german-silver</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/310/large_smg00097987.jpg</image:loc><image:title>Another product of the substitution of magnesium for zinc is German silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23400/pig-iron-cast-in-chill-at-the-finspong-iron-works-norkoping-sweden</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/682/large_smg00093442.jpg</image:loc><image:title>Pig-iron cast in chill, at the Finspong Iron Works, Norkoping, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22236/bisulphide-of-tin-coated-with-sulphide-of-tin</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412227/group-of-five-miners-lamp-checks</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/251/large_smg00249074.jpg</image:loc><image:title>Group of five miner&apos;s lamp checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413062/auger-bit</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/549/large_cd0646_062_110315_lcmc_t769_auger_bit.jpg</image:loc><image:title>Auger bit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21956/compound-produced-by-the-action-of-silver-on-mercuric-chloride</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410355/mullard-co-model-10840-eht-ringing-transformer</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/42/large_cd0489_021_090113_1996_10_1022_ferranti_11b_transformer.jpg</image:loc><image:title>Mullard Co. model 10840 EHT ringing transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23217/coarsely-crystalline-surface-of-a-slag</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/956/large_smg00092405.jpg</image:loc><image:title>Coarsely crystalline surface of a slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415951/ferranti-ltd-heater-element</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022377/leitz-universal-viewfinder</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/725/701/smg00451944.jpg</image:loc><image:title>Leitz Universal Viewfinder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415673/abc-wax-textile-printing-roller</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/532/large_cd0718_015_131217_2013_17_13_1___2_printing_rollers.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/531/large_cd0718_014_131217_2013_17_13_1___2_printing_rollers__on_stand.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/533/large_cd0718_016_131217_2013_17_13_1_printing_roller.jpg</image:loc><image:title>ABC Wax textile printing roller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415604/worm-character-puppet-from-the-1996-disney-stop-motion-animation-film-james-and-the-giant-peach</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/983/large_cd0149_022_050825_cc3_l2003_37_16_puppet.jpg</image:loc><image:title>Worm character puppet from the 1996 Disney stop-motion animation film &apos;James and the Giant Peach</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21483/zinc-produced-by-the-old-english-process</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412310/miners-dial-in-box</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/552/large_cd0406_019_080815_2002_19_386_lcm_surveying_equipment_miners_dial_in_case.jpg</image:loc><image:title>Miners dial in box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/553/large_cd0406_020_080815_2002_19_386_lcm_surveying_equipment_miners_dial.jpg</image:loc><image:title>Miners dial in box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/840/large_smg00245946.jpg</image:loc><image:title>Miners dial in box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23155/lavender-coloured-blast-furnace-slag-from-russell-hall-furnaces-near-dudley</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/978/large_smg00092555.jpg</image:loc><image:title>Lavender-coloured blast-furnace slag, from Russell Hall furnaces, near Dudley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22907/magnetic-iron-ore-from-rosedale-yorkshire</loc><lastmod>2026-01-09T15:18:59.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/387/large_smg00097519.jpg</image:loc><image:title>Magnetic iron ore from Rosedale, Yorkshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410963/glass-bottle-used-by-john-dalton</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/54/large_y1997_0006_0044__0001_.jpg</image:loc><image:title>Glass Bottle used by John Dalton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/55/large_y1997_0006_0044__0002_.jpg</image:loc><image:title>Glass Bottle used by John Dalton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/56/large_y1997_0006_0044__0003_.jpg</image:loc><image:title>Glass Bottle used by John Dalton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22555/alloy-of-zinc-and-magnesium</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/458/large_smg00098034.jpg</image:loc><image:title>Alloy of zinc and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412372/lapel-badge</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/526/large_cd0383_003_080610_2002_19_493_lancashire_coal_mining_pin.jpg</image:loc><image:title>Lapel badge</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/718/large_smg00244438.jpg</image:loc><image:title>Lapel badge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22493/cerium-dioxide</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/687/large_smg00098041.jpg</image:loc><image:title>Cerium dioxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22761/supposed-pure-iron-by-berzelius-process</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/361/large_smg00102153.jpg</image:loc><image:title>Supposed pure iron, by Berzelius process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22238/sulphide-of-tin</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022386/intermediate-ring</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413039/lamp-glasses-from-mining-lamps</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/337/large_cd0626_018_100723_lcmc_t8_2001_68_lamp_glasses_from_safety_lamps.jpg</image:loc><image:title>Lamp glasses from mining lamps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412906/chock-release-used-in-coal-mining</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/262/large_cd0628_021_100805_lcmc_t313_chock_release.jpg</image:loc><image:title>Chock release used in coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22660/crystallised-nickel-speiss</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/247/large_smg00089910.jpg</image:loc><image:title>Crystallised nickel speiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22263/bitrtong-tin-ore-australia</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22099/alloy-of-silver-and-cadmium-analysed-by-r-smith</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/520/large_smg00087982.jpg</image:loc><image:title>Alloy of silver and cadmium. Analysed by R. Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23195/banded-slag-from-the-blast-furnaces-of-the-northern-iron-company-marquette-michigan</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/250/large_smg00093538.jpg</image:loc><image:title>Banded slag from the blast furnaces of the Northern Iron Company, Marquette, Michigan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22463/wolfram-supposed-to-resemble-zinc-blende</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/549/large_smg00088054.jpg</image:loc><image:title>Wolfram supposed to resemble zinc blende</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21778/lead-regulus-bleistein-and-speiss-from-muldner-hutte</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019664/spectrum-tube</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/74/large_smg00229094.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411028/haulage-clip-or-coupling-for-endless-ropeways</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/665/large_cd0648_009_110315_lcmc_t427_haulage_clip.jpg</image:loc><image:title>Haulage clip or coupling for endless ropeways</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22921/haematite-from-luccombe</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/363/large_smg00095415.jpg</image:loc><image:title>Haematite from Luccombe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22787/result-of-heating-iron-with-iron-phosphate-experiment-by-w-hochstatter</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/533/large_smg00095380.jpg</image:loc><image:title>Result of heating iron with iron phosphate, experiment by W. Hochstatter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22762/electro-deposited-iron-subjected-to-experiments-by-rsmith</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/793/large_smg00102170.jpg</image:loc><image:title>Electro-deposited iron, subjected to experiments by R.Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411218/timber-mallet-from-wigan-open-cast-mine</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/253/large_cd0675_043_120105_lcmc_t1895_old_timber_mallet.jpg</image:loc><image:title>Timber mallet from Wigan open cast mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23027/bog-iron-ore-from-old-lake-deposits-in-holland</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/173/large_smg00092656.jpg</image:loc><image:title>Bog iron ore from old lake deposits in Holland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415676/abc-wax-printing-roller</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/538/large_cd0718_021_131217_2013_17_15_printing_roller_detail.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/539/large_cd0718_022_131217_2013_17_15_printing_roller.jpg</image:loc><image:title>ABC Wax printing roller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417315/electronic-viewfinder-c-1960</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410613/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/154/large_cd0484_004_090106_1996_10_1282_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/151/large_smg00243524.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23389/crystalline-white-iron</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/676/large_smg00093436.jpg</image:loc><image:title>Crystalline white iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22673/crystallised-slag</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/321/large_smg00098107.jpg</image:loc><image:title>Crystallised slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23757/fragment-of-armour-plate-tested-at-shoeburyness-in-1868-which-completely-failed</loc><lastmod>2026-01-09T15:19:00.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/572/large_smg00001111.jpg</image:loc><image:title>Fragment of armour plate tested at Shoeburyness in 1868, which completely failed</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412414/miners-pay-check</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/801/large_smg00244547.jpg</image:loc><image:title>Miner&apos;s pay check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23505/refinery-slag-from-the-bromford-iron-works</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/776/large_smg00094746.jpg</image:loc><image:title>Refinery slag from the Bromford Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22589/corundum-used-for-the-extraction-of-aluminium-in-cowles-furnace</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/291/large_smg00097966.jpg</image:loc><image:title>Corundum used for the extraction of aluminium in Cowles furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415745/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23241/blast-furnace-slag-from-espedal-norway</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/941/large_smg00092389.jpg</image:loc><image:title>Blast furnace slag from Espedal, Norway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22335/britannia-metal-in-rolls</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/601/large_smg00089257.jpg</image:loc><image:title>Britannia metal in rolls</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23849/piece-of-cast-iron-tomb-plate-erected-in-wadhurst-churchyard-sussex-1613</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/418/large_smg00102100.jpg</image:loc><image:title>Piece of cast-iron tomb plate erected in Wadhurst churchyard, Sussex, 1613</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412976/fibrous-hard-hat</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/581/large_cd0660_039_110809_lcmc_t927_1_fibrous_hard_hat.jpg</image:loc><image:title>Fibrous hard hat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23402/pig-iron-from-madras-called-grey</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/692/large_smg00093453.jpg</image:loc><image:title>Pig-iron from Madras, called grey</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413486/radio-manchester-rabbit-soft-toy</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/49/large_cd0610_015_100216_2005_86_20_bbc_manchester_yellow_rabbit_soft_toy.jpg</image:loc><image:title>Radio Manchester Rabbit Soft Toy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/958/large_smg00247354.jpg</image:loc><image:title>Radio Manchester Rabbit Soft Toy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410582/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21794/slagged-ore-from-the-lead-works-at-mechernich-rhenish-prussia</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/338/large_smg00045137.jpg</image:loc><image:title>&quot;Slagged ore&quot; from the lead works at Mechernich, Rhenish, Prussia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22186/spoon-used-by-the-asante-and-fante-peoples-for-weighing-out-gold-dust</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/411/large_smg00089349.jpg</image:loc><image:title>Spoon used by the Asante and Fante peoples for weighing out gold dust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22793/attempt-at-the-production-of-a-silicide-of-iron-by-means-of-hydrofluo-silicic-acid</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/508/large_smg00095355.jpg</image:loc><image:title>Attempt at the production of a silicide of iron by means of hydrofluo-silicic acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022392/leitz-self-timer-c-1936</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/805/large_smg00453630.jpg</image:loc><image:title>Leitz self-timer, c 1936</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22085/alloy-of-silver-and-zinc-containing-816-percent-silver</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/527/large_smg00087989.jpg</image:loc><image:title>Alloy of silver and zinc, containing 8.16 percent silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21491/commercial-zinc-recrystallised</loc><lastmod>2026-01-09T15:19:00.707Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22813/micaceous-oxide-of-iron-produced-artifically</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/521/large_smg00095368.jpg</image:loc><image:title>Micaceous oxide of iron produced artifically</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410499/ferranti-ltd-wire-wound-power-resistances</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21823/artificial-slag-lead</loc><lastmod>2026-01-09T15:19:00.723Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23015/piece-of-weathered-clay-ironstone</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/159/large_smg00092642.jpg</image:loc><image:title>Piece of weathered clay-ironstone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410159/ferranti-model-mr-electric-meter</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/880/large_cd0443_001_081106_1996_10_827_ferranti_3c_multi_range_test_set.jpg</image:loc><image:title>Ferranti model MR electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415746/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22334/alloy-containing-one-part-of-tin-two-of-nickel-and-four-of-copper</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/599/large_smg00089254.jpg</image:loc><image:title>Alloy containing one part of tin, two of nickel and four of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22640/ferro-manganese-containing-about-50-percent-manganese</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/240/large_smg00089902.jpg</image:loc><image:title>Ferro-manganese, containing about 50 percent manganese</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410612/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:19:01.103Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/858/large_cd0494_003_090126_1996_10_1281_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/339/large_smg00243775.jpg</image:loc><image:title>Brimar thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23870/boiler-incrustation-of-gypsum</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/563/large_smg00001102.jpg</image:loc><image:title>Boiler incrustation of gypsum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23404/foundry-pig-iron-dunbar-iron-works-pennsylvania</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/691/large_smg00093452.jpg</image:loc><image:title>Foundry pig-iron, Dunbar Iron Works, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22436/chromic-oxide-obtained-by-heating-mercurous-chromate</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/558/large_smg00088066.jpg</image:loc><image:title>Chromic oxide obtained by heating mercurous chromate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22713/nickel-electro-deposited-on-sheet-iron</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/345/large_smg00100816.jpg</image:loc><image:title>Nickel electro-deposited on sheet iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22215/rolled-palladium</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23595/malleable-iron-which-has-been-melted-in-a-crucible-then-etched-with-acid</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022368/elmar-lens-c-1948</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/37/large_smg00450406.jpg</image:loc><image:title>Elmar lens, c 1948</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22188/japanese-obang-assayed-by-c-tookey</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/412/large_smg00089350.jpg</image:loc><image:title>Japanese obang. Assayed by C. Tookey</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22439/hydrate-of-chromic-oxide</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/551/large_smg00088058.jpg</image:loc><image:title>Hydrate of chromic oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939877/enlarging-lens-f6-6-fl</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/342/large_smg00452157.jpg</image:loc><image:title>Enlarging Lens F.6 6&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23147/blast-furnace-slag-from-the-ystalyfera-iron-works-south-wales</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/27/large_smg00092606.jpg</image:loc><image:title>Blast furnace slag from the Ystalyfera Iron Works, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412982/clinometer-and-case</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/211/large_cd0675_001_120105_lcmc_t912_1_2_clinometer___case.jpg</image:loc><image:title>Clinometer and case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22112/coin-rendered-fraudulent-by-filling-interior-with-copper</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/359/large_smg00088027.jpg</image:loc><image:title>Coin rendered fraudulent by filling interior with copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412086/miners-lamp-checks</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/632/large_smg00244117.jpg</image:loc><image:title>Miner&apos;s lamp checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412989/water-pump</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/349/large_cd0627_017_100723_lcmc_water_pump__898_metal_tag_.jpg</image:loc><image:title>Water pump</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939868/anastigmat-f45-lens</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/637/smg00452241.jpg</image:loc><image:title>Anastigmat F.4.5 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409945/ferranti-dc-electric-meter</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/221/large_smg00250721.jpg</image:loc><image:title>Ferranti DC Electric Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412531/signalling-call-point-red</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/597/large_cd0647_045_110315_lcmc_signalling_switch.jpg</image:loc><image:title>Signalling call point (red)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410676/radio-components</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/227/large_cd0475_019_081219_1996_10_1345_ferranti_9d_radio_components.jpg</image:loc><image:title>Radio components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412299/miners-lamp-check</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/611/large_smg00244107.jpg</image:loc><image:title>Miner&apos;s lamp check.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412979/model-of-a-semi-mechanised-coal-getter-1966</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/251/large_cd0628_010_100730_lcmc_t92_semi_mechamised_coal_getter_model.jpg</image:loc><image:title>Model of a semi-mechanised coal getter, 1966</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23349/white-iron-ystalyfera-iron-furnaces-south-wales</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/764/large_smg00093493.jpg</image:loc><image:title>White iron, Ystalyfera Iron Furnaces, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410538/ferranti-display-item</loc><lastmod>2026-01-09T15:19:01.874Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/833/large_cd0490_010_090113_1996_10_1207_ferranti_11c_display_item.jpg</image:loc><image:title>Ferranti display item</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23553/square-wedge-of-wrought-iron-bent-upon-itself-without-breaking</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/794/large_smg00095500.jpg</image:loc><image:title>Square wedge of wrought iron bent upon itself without breaking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22061/crystallised-sharp-slag-morfa-silver-works-1870</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/336/large_smg00088004.jpg</image:loc><image:title>Crystallised sharp slag, Morfa Silver Works, 1870</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22019/product-of-the-calcination-of-no1834-with-salt-for-the-production-of-chloride-of-silver</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/586/large_smg00089210.jpg</image:loc><image:title>Product of the calcination of No.1834 with salt for the production of chloride of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23504/refinery-slag-from-the-bromford-iron-works</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/770/large_smg00094740.jpg</image:loc><image:title>Refinery slag from the Bromford Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22573/ferric-oxide-and-alumina-heated-together-in-platinum-in-the-proportion-of-their-equivalent-numbers</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22950/iron-ore-from-the-forest-of-dean-ground-and-prepared-as-a-red-colouring-matter</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/502/large_smg00095343.jpg</image:loc><image:title>Iron ore from the Forest of Dean, ground and prepared as a red colouring matter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23085/micaceous-iron-ore-from-nova-scotia</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/238/large_smg00093525.jpg</image:loc><image:title>Micaceous iron ore from Nova Scotia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417344/houston-fearless-cradle-head-c-1960</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23502/refinery-cinder-from-the-bromford-iron-works</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/771/large_smg00094741.jpg</image:loc><image:title>Refinery cinder from the Bromford Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23416/spiegeleisen-manufactured-from-the-residue-of-franklinite-at-shirley-works</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/653/large_smg00093409.jpg</image:loc><image:title>Spiegeleisen manufactured from the residue of Franklinite at Shirley Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410298/ferranti-semiconductor-display-item</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/30/large_cd0489_009_090109_1996_10_965_ferranti_11d_semiconductors_encapsulated_display_item.jpg</image:loc><image:title>Ferranti semiconductor display item</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23875/crystalline-slag-produced-in-carrying-out-holloways-process</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/606/large_smg00001149.jpg</image:loc><image:title>Crystalline slag produced in carrying out &quot;Holloway&apos;s process&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22313/grain-tin</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/715/large_smg00089268.jpg</image:loc><image:title>Grain tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22501/carbonate-of-cerium</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/683/large_smg00098037.jpg</image:loc><image:title>Carbonate of cerium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21568/result-of-heating-sulphate-of-lead-with-iron</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/58/large_smg00098301.jpg</image:loc><image:title>Result of heating sulphate of lead with iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410948/box-of-specimen-slides</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/596/large_smg00249662.jpg</image:loc><image:title>Box of Specimen Slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939846/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/616/large_smg00452151.jpg</image:loc><image:title>Kodak Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019692/de-la-rives-vacuum-tube-for-demonstrating-the-faraday-rotation-of-cathode-rays-in-a-magnetic-field</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/623/large_smg00174435.jpg</image:loc><image:title>De la Rive&apos;s vacuum tube for demonstrating the Faraday rotation of cathode rays in a magnetic field</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411025/sign-managers-office</loc><lastmod>2026-01-09T15:19:02.097Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/12/large_cd0659_046_110809_lcmc_t434_sign.jpg</image:loc><image:title>Sign - &apos;Manager&apos;s Office&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415744/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22378/antimony-from-leghorn</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22815/result-of-experiment-with-a-soft-ore</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/520/large_smg00095367.jpg</image:loc><image:title>Result of experiment with a soft ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23789/marine-chronometer-spring</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/432/large_smg00102517.jpg</image:loc><image:title>Marine chronometer spring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22046/argentiferous-and-auriferous-copper-matt-from-boston-and-colorado-works</loc><lastmod>2026-01-09T15:19:02.425Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410286/model-gmk18a1-safety-and-arming-mechanism</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/866/large_cd0442_009_081106_1996_10_954_ferranti_1c_safety_and_arming_mechanism.jpg</image:loc><image:title>Model GMK18A1 safety and arming mechanism</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23669/bar-of-steel-marked-dp-worked-up-into-a-metal-turning-tool</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/499/large_smg00094242.jpg</image:loc><image:title>Bar of steel, marked D.P., worked up into a metal-turning tool</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412987/electric-push-button-for-signalling-bell</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/601/large_cd0647_051_110315_lcmc_t9_1_junction_box.jpg</image:loc><image:title>Electric push button for signalling bell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410376/multitone-electronics-pager-charger</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/916/large_smg00244677.jpg</image:loc><image:title>Multitone Electronics pager charger</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939861/ross-homocentric-lens</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/640/large_smg00452244.jpg</image:loc><image:title>Ross Homocentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22041/refined-silver-in-an-irregular-cup-like-form-of-a-brilliant-metallic-white</loc><lastmod>2026-01-09T15:19:02.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22952/bog-iron-ore-from-ireland</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/330/large_smg00095339.jpg</image:loc><image:title>Bog iron ore, from Ireland</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8806783/the-simpsons-jacket</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412446/steam-engine-indicator</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/243/155/large_cd0137_002_050808_ms_2002_19_545_steam_engine_indicator.jpg</image:loc><image:title>Steam Engine Indicator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/500/large_smg00245100__0002_.jpg</image:loc><image:title>Steam Engine Indicator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/499/large_smg00245100__0001_.jpg</image:loc><image:title>Steam Engine Indicator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/502/large_smg00245100__0004_.jpg</image:loc><image:title>Steam Engine Indicator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/501/large_smg00245100__0003_.jpg</image:loc><image:title>Steam Engine Indicator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21461/piece-of-spelter-pot-impregnated-with-zinc-and-thus-rendered-purple-to-a-certain-depth</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22332/alloy-of-tin-and-copper</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/721/large_smg00089274.jpg</image:loc><image:title>Alloy of tin and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410581/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/540/large_smg00249585.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21879/alloy-of-three-parts-of-lead-five-of-bismuth-and-two-of-tin</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/261/large_smg00001218.jpg</image:loc><image:title>Alloy of three parts of lead, five of bismuth, and two of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23696/brescian-steel-from-the-international-exhibition-1862</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/782/large_smg00095446.jpg</image:loc><image:title>Brescian steel from the International Exhibition, 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22200/gold-pens-inked</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410533/ferranti-boxed-resistor-grid</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/762/large_cd0496_020_090130_1996_10_1202_ferranti_11e_resistor.jpg</image:loc><image:title>Ferranti boxed resistor grid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21937/result-of-heating-together-sulphide-of-silver-and-chlorate-of-potash</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/275/large_smg00001294.jpg</image:loc><image:title>Result of heating together sulphide of silver and chlorate of potash</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019682/crookes-vacuum-tube-containing-a-fluorescent-screen</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/602/large_smg00174412.jpg</image:loc><image:title>Crookes vacuum tube containing a fluorescent screen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23248/doubtful-slags-from-mount-sinai</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/934/large_smg00092382.jpg</image:loc><image:title>Doubtful slags from Mount Sinai</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411962/plastic-safety-helmet-with-visor</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/629/large_cd0661_015_110809_lcmc_t2017_ande_s_helmet.jpg</image:loc><image:title>Plastic safety helmet with visor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23412/speigeleisen-from-rudolf-wolff-and-co</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/699/large_smg00093462.jpg</image:loc><image:title>Speigeleisen from Rudolf, Wolff and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412553/sign-coal-mining</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/375/large_cd0627_067_100730_lcmc_notice_there_will_be_a_general_swill_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/461/large_smg00243924.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22751/residue-from-copper-works-at-alderley-containing-cobalt-and-manganase</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/805/large_smg00102183.jpg</image:loc><image:title>Residue from copper works at Alderley, containing cobalt and manganase</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23528/flue-cinder-from-mr-beasleys-furnaces</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/752/large_smg00094722.jpg</image:loc><image:title>Flue cinder from Mr. Beasley&apos;s Furnaces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23339/portion-of-a-scaffold-furnace-at-the-monkland-iron-works-calder-bank</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/761/large_smg00093490.jpg</image:loc><image:title>Portion of a scaffold Furnace at the Monkland Iron Works, Calder Bank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410620/osram-thermionic-valve</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/156/large_cd0484_005_090106_1996_10_1289_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Osram thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/50/large_smg00243417.jpg</image:loc><image:title>Osram thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411026/sign-air-measuring-point</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/11/large_cd0659_045_110809_lcmc_t432_sign.jpg</image:loc><image:title>Sign - &apos;Air measuring point&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410502/ferranti-model-fn12-electric-meter</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/192/large_cd0453_001_081114_1996_10_1171_ferranti_4b_meter.jpg</image:loc><image:title>Ferranti model FN12 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22698/crude-nickel-in-lumps-communicated-by-mr-merry-1840</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/280/large_smg00097955.jpg</image:loc><image:title>Crude nickel in lumps, communicated by Mr. Merry (1840)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23641/square-cast-bar-of-parrys-steel</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/479/large_smg00094221.jpg</image:loc><image:title>Square cast bar of Parry&apos;s steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412862/indicator-display-for-signalling</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/574/large_cd0647_017_110315_lcmc_t172_1_signal_light.jpg</image:loc><image:title>Indicator display for signalling</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22690/crystallised-nickel-vitriol</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/278/large_smg00097953.jpg</image:loc><image:title>Crystallised nickel vitriol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410569/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/536/large_smg00249578.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410652/pegasus-status-indicator-demonstrator</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/221/large_cd0475_013_081219_1996_10_1321_ferranti_10a_valve_computer_parts.jpg</image:loc><image:title>Pegasus status indicator demonstrator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/196/large_y1996_0010_1321__0001_.jpg</image:loc><image:title>Pegasus status indicator demonstrator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/199/large_y1996_0010_1321__0002_.jpg</image:loc><image:title>Pegasus status indicator demonstrator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22449/metallic-molybdenum-prepared-by-dr-percy-in-1850</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/552/large_smg00088060.jpg</image:loc><image:title>Metallic molybdenum. Prepared by Dr. Percy in 1850</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22649/grey-nickel-ore</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/231/large_smg00089888.jpg</image:loc><image:title>Grey nickel ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21697/portion-of-the-zinc-crust</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/759/large_smg00098193.jpg</image:loc><image:title>Portion of the zinc crust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412284/miners-lamp-check</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/638/large_smg00244125.jpg</image:loc><image:title>Miner&apos;s lamp check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412278/miners-pay-check-c-1960</loc><lastmod>2026-01-09T15:19:03.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/613/large_smg00244109.jpg</image:loc><image:title>Miner&apos;s pay check, c. 1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22671/blast-furnace-slags</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/331/large_smg00098116.jpg</image:loc><image:title>Blast furnace slags</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23272/loose-graphite-flakes-or-kish-from-the-clarence-iron-works-near-middlesborough-on-tees</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413001/sylvester-coal-mining-jacking-device</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/281/large_cd0629_026_100806_lcmc_t877_sylvester.jpg</image:loc><image:title>Sylvester, coal mining jacking device</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22727/defective-german-silver-communicated-by-r-clay-1877</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/279/large_smg00097954.jpg</image:loc><image:title>Defective German silver, communicated by R. Clay, 1877</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23815/pipe-coated-over-with-a-crust-of-ferric-oxide</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/610/large_smg00001153.jpg</image:loc><image:title>Pipe coated over with a crust of ferric oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23810/piece-of-the-cast-iron-beam-which-broke-at-the-hartley-colliery-accident</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/568/large_smg00001107.jpg</image:loc><image:title>Piece of the cast iron beam which broke at the Hartley Colliery accident</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22308/refined-tin</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23871/specimen-illustrating-the-formation-of-iron-pyrites-by-solution</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/566/large_smg00001105.jpg</image:loc><image:title>Specimen illustrating the formation of iron pyrites by solution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22595/byproduct-in-the-process-of-reducing-aluminium-in-cowles-electric-furnace</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/294/large_smg00097969.jpg</image:loc><image:title>Byproduct in the process of reducing aluminium in Cowles electric furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23405/foundry-pig-iron-dunbar-iron-works-pennsylvania</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/690/large_smg00093451.jpg</image:loc><image:title>Foundry pig-iron, Dunbar Iron Works, Pennsylvania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22889/clay-ironstone-cemented-in-charcoal</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/367/large_smg00097482.jpg</image:loc><image:title>Clay ironstone cemented in charcoal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23435/kishy-pig-iron-with-large-crystals</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/658/large_smg00093415.jpg</image:loc><image:title>Kishy pig-iron with large crystals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410280/electric-meter</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/347/large_cd0471_008_081212_1996_10_948_ferranti_8d_electric_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410663/txe-computer-parts</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/171/large_cd0484_018_090106_1996_10_1332_ferranti_10b_txe_computer_parts.jpg</image:loc><image:title>TXE computer parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412424/commemorative-medal-from-ashton-and-haydock-miners-demonstration</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/794/large_smg00244540.jpg</image:loc><image:title>Commemorative medal from Ashton and Haydock Miners&apos; Demonstration</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23464/calcined-tap-cinder</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/585/large_smg00073074.jpg</image:loc><image:title>Calcined tap cinder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019677/crookes-vacuum-tube-containing-a-mineral-sample</loc><lastmod>2026-01-09T15:19:03.629Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/422/693/large_smg00175471.jpg</image:loc><image:title>Crookes vacuum tube containing a mineral sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410672/ferranti-printing-plate</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/214/336/large_cd0369_020_080408_1996_10_1341_ferranti_printing_plate.jpg</image:loc><image:title>Ferranti Printing Plate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/222/large_smg00250722.jpg</image:loc><image:title>Ferranti Printing Plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21959/bromide-of-silver-formed-by-acting-on-silver-leaf-by-the-vapour-of-bromine</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/173/large_smg00001269.jpg</image:loc><image:title>Bromide of silver formed by acting on silver leaf by the vapour of bromine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412279/james-smith-drink-bottle</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/530/large_cd0405_008_080808_2002_19_312_lcm_bottle.jpg</image:loc><image:title>James Smith drink bottle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/604/large_smg00245666.jpg</image:loc><image:title>James Smith drink bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413020/colliery-sign-no-unauthorised-person-to-ride-on-tubs-c1960</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/31/large_cd0659_067_110809_lcmc_t609_sign.jpg</image:loc><image:title>Colliery sign - No unauthorised person to ride on tubs. C.1960.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/226/large_cd0620_007_100513_t837_colliery_sign.jpg</image:loc><image:title>Colliery sign - No unauthorised person to ride on tubs. C.1960.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22528/phosphide-of-magnesium</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/434/large_smg00098004.jpg</image:loc><image:title>Phosphide of magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410403/ferranti-computer-circuit-board</loc><lastmod>2026-01-09T15:19:03.714Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/102/large_cd0482_015_090102_1996_10_1072_ferranti_10c_circuit_board.jpg</image:loc><image:title>Ferranti computer circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410609/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/150/large_cd0484_002_090106_1996_10_1278_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/179/large_smg00243561.jpg</image:loc><image:title>Mullard thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410928/compound-microscope</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/294/large_smg00244331__0003_.jpg</image:loc><image:title>Compound Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/295/large_smg00244331__0004_.jpg</image:loc><image:title>Compound Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/293/large_smg00244331__0002_.jpg</image:loc><image:title>Compound Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/292/large_smg00244331__0001_.jpg</image:loc><image:title>Compound Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/296/large_smg00244331__0005_.jpg</image:loc><image:title>Compound Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/762/large_cd0087_022_050301_ms_1997_6_7_dancer_microscope.jpg</image:loc><image:title>Compound Microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23142/loal-limestone</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/845/large_smg00102119.jpg</image:loc><image:title>Loal limestone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22611/adamantine-boron-prepared-and-communicated-by-h-st-clair-deville</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/254/large_smg00089920.jpg</image:loc><image:title>Adamantine boron, prepared and communicated by H. St. Clair Deville</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22284/hard-head-heated-with-lime-after-calcination</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/457/large_smg00089241.jpg</image:loc><image:title>Hard head heated with lime after calcination</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23878/slag-obtained-in-the-carrying-out-of-the-holloway-process</loc><lastmod>2026-01-09T15:19:03.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/604/large_smg00001146.jpg</image:loc><image:title>Slag obtained in the carrying out of the &quot;Holloway process&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22468/tungsten-grains-left-after-dissolving-an-alloy-of-tungsten-and-silver-in-nitric-acid</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/679/large_smg00088088.jpg</image:loc><image:title>Tungsten grains left after dissolving an alloy of tungsten and silver in nitric acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23300/powdered-and-laevigated-titaniferous-bear-the-crystals-of-cyano-nitride-are-separate-and-loose</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415611/armature-for-a-puppet-from-the-2001-film-monkeybone</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/998/large_cd0150_015_050825_cg_l2003_37_23_armature_for_puppet.jpg</image:loc><image:title>Armature for a puppet from the 2001 film &apos;Monkeybone&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23658/the-iron-ore-from-which-the-following-sample-of-iron-are-obtained-at-nagore-birbum-bengal-india</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/489/large_smg00094231.jpg</image:loc><image:title>The iron ore from which the following sample of iron are obtained at Nagore, Birbum, Bengal,  India</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21745/furnace-bottom-heerd</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/685/large_smg00096576.jpg</image:loc><image:title>Furnace bottom, &quot;Heerd&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939858/anastigmat-f45-lens</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/638/large_smg00452242.jpg</image:loc><image:title>Anastigmat F.4.5 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22996/clay-ironstone-from-the-coal-measures</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/290/large_smg00095271.jpg</image:loc><image:title>Clay ironstone from the Coal Measures</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410349/ferranti-type-6w12-gyroscope</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/859/large_cd0442_002_081105_1996_10_1016_ferranti_2d_gyroscope_mounting.jpg</image:loc><image:title>Ferranti type 6W/12 gyroscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412961/coal-mining-roof-support-c18</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22122/specimens-in-glass-tubes-to-show-the-wild-distribution-of-gold</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/320/large_smg00087974.jpg</image:loc><image:title>Specimens in glass tubes to show the wild distribution of gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413025/sign-transport-rules</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/573/large_cd0660_030_110809_lcmc_t825_sign.jpg</image:loc><image:title>Sign - &apos;Transport rules...&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22029/slag-from-smelting-argentiferous-residues-from-zinc-pots</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23602/swedish-iron-melted-hammered-rolled-to-compare-the-fracture-with-a-similar-piece-of-bessemer-metal-1856</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417342/pye-monoscope-television-camera-c-1953</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23873/mass-of-sulphide-of-iron-which-ran-down-in-the-form-of-a-stalactite-outside-a-bisulphide-of-carbon-retort</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/596/large_smg00001138.jpg</image:loc><image:title>Mass of sulphide of iron which ran down in the  form of a stalactite outside a bisulphide of carbon retort</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411964/rope-splicing-tools</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22456/anhydrous-molybdic-acid</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/371/large_smg00088074.jpg</image:loc><image:title>Anhydrous molybdic acid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939780/dallmeyer-projection-lens-50mm-fl-for-16mm-projectors</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/151/large_smg00452136.jpg</image:loc><image:title>Dallmeyer projection lens 50mm f.l. for 16mm projectors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410527/electric-coil</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/828/large_cd0490_005_090113_1996_10_1196_ferranti_11a_electric_coil.jpg</image:loc><image:title>Electric coil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415885/mullard-model-mw62-cathode-ray-tube</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22566/alloy-of-nickel-and-copper-and-magnesium</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/315/large_smg00097992.jpg</image:loc><image:title>Alloy of nickel and copper and magnesium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022382/leitz-ball-and-socket-head</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/725/702/smg00451945.jpg</image:loc><image:title>Leitz Ball and Socket Head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410700/ferranti-multilin-fss-216-integrated-circuit</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/237/large_cd0476_008_081219_1996_10_1369_ferranti_10a_electronic_components.jpg</image:loc><image:title>Ferranti Multilin FSS 216 integrated circuit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410431/ferranti-electric-clock</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/340/large_cd0452_022_081114_1996_10_1101_ferranti_5d_clock.jpg</image:loc><image:title>Ferranti electric clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23851/rusted-iron-from-an-ancient-cemetery-at-hallstadt-austria</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/551/large_smg00001090.jpg</image:loc><image:title>Rusted iron from an ancient cemetery at Hallstadt, Austria</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23228/series-of-gehlenite-slags-from-iron-works-at-falkirk</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/479/large_smg00092394.jpg</image:loc><image:title>Series of Gehlenite slags from iron works at Falkirk</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22728/defective-german-silver-communicated-by-r-clay-1877</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/287/large_smg00097962.jpg</image:loc><image:title>Defective German silver, communicated by R. Clay, 1877</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22925/puddling-ore-from-ulverston</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413488/bbc-radio-manchester-plastic-bag</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/205/51/large_cd0610_017_100216_2005_86_22_bbc_manchester_bbc_206_logo_plastic_carrier_bag.jpg</image:loc><image:title>BBC Radio Manchester Plastic Bag</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/976/large_smg00247372.jpg</image:loc><image:title>BBC Radio Manchester Plastic Bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23717/interior-of-a-blister-broken-open</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/825/large_smg00095489.jpg</image:loc><image:title>Interior of a blister broken open</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413382/drill-bit</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/660/large_cd0648_004_110315_lcmc_t360_drill_bit.jpg</image:loc><image:title>Drill Bit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410611/hytron-thermionic-valve</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/857/large_cd0494_002_090126_1996_10_1280_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Hytron thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/382/large_smg00243820.jpg</image:loc><image:title>Hytron thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415960/welwyn-model-p321m-tuning-switch</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410343/ferranti-electric-meter</loc><lastmod>2026-01-09T15:19:04.697Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/882/large_cd0443_003_081106_1996_10_1010_ferranti_3c_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22118/part-of-a-silver-vase-from-mycenae</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/351/large_smg00088019.jpg</image:loc><image:title>Part of a silver vase from Mycenae</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409981/group-of-3-ferranti-electrical-components</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/812/large_cd0499_017_090206_1996_10_657_2_ferranti_16b_electrical_component.jpg</image:loc><image:title>Group of 3 Ferranti electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/813/large_cd0499_018_090206_1996_10_657_3_ferranti_16b_electrical_component.jpg</image:loc><image:title>Group of 3 Ferranti electrical components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/811/large_cd0499_016_090206_1996_10_657_1_ferranti_16b_electrical_component.jpg</image:loc><image:title>Group of 3 Ferranti electrical components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412494/wire-rope-sample</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/326/large_cd0674_014_120105_lcmc_cable_sample.jpg</image:loc><image:title>Wire rope sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22902/meteoric-iron</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/381/large_smg00097513.jpg</image:loc><image:title>Meteoric iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22444/chloride-of-chromium</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/560/large_smg00088068.jpg</image:loc><image:title>Chloride of chromium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8805060/electronic-memory-eraser-for-voice-synthesizer-experiments</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/889/large_smg00721955__0003_.jpg</image:loc><image:title>Electronic memory eraser for voice synthesizer experiments</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/890/large_smg00721955__0004_.jpg</image:loc><image:title>Electronic memory eraser for voice synthesizer experiments</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/887/large_smg00721955__0001_.jpg</image:loc><image:title>Electronic memory eraser for voice synthesizer experiments</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/888/large_smg00721955__0002_.jpg</image:loc><image:title>Electronic memory eraser for voice synthesizer experiments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22259/tin-ore-obtained-from-the-sand-by-washing</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23322/crystallised-oxide-of-zinc-from-a-scaffold-in-a-furnace-in-which-porman-ores-were-smelted</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/181/large_smg00092665.jpg</image:loc><image:title>Crystallised oxide of zinc from a scaffold in a furnace in which Porman ores were smelted</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410167/ferranti-electric-meter</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/877/large_cd0442_020_081106_1996_10_835_ferranti_3c_volt_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412064/anenometer-coal-mining</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/265/large_cd0675_055_120105_lcmc_t2026_anemometer.jpg</image:loc><image:title>Anenometer, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23235/compact-and-crystalline-slags-from-charleroi-belgium</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/944/large_smg00092392.jpg</image:loc><image:title>Compact and crystalline slags from Charleroi, Belgium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23492/another-specimen-from-the-same-source</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/759/large_smg00094729.jpg</image:loc><image:title>Another specimen from the same source</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23360/vesicular-pig-iron-russell-hallss-furnaces-dudley</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/742/large_smg00093468.jpg</image:loc><image:title>Vesicular pig-iron, Russell Halls&apos;s Furnaces, Dudley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22507/lanthanum-sulphide</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/461/large_smg00098053.jpg</image:loc><image:title>Lanthanum sulphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22562/alloy-of-bismuth-magnesium-and-copper</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/705/large_smg00098103.jpg</image:loc><image:title>Alloy of bismuth, magnesium, and copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21874/alloy-of-one-part-of-lead-to-one-of-antimony</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/143/large_smg00001211.jpg</image:loc><image:title>Alloy of one part of lead to one of antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23255/furnace-wool-or-silicate-cotton-from-a-blast-furnace-at-elswick-newcastle-on-tyne</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23818/scale-from-the-interior-of-an-iron-vessel</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/590/large_smg00001132.jpg</image:loc><image:title>Scale from the interior of an iron vessel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23799/watch-pivot-broach</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/868/large_smg00089932.jpg</image:loc><image:title>Watch pivot broach</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410213/ferranti-model-mcaa25-electric-meter</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/317/large_cd0451_017_081111_1996_10_881_ferranti_4e_meter.jpg</image:loc><image:title>Ferranti model MCAA25 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23198/blast-furnace-cinder-from-sweden</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/963/large_smg00092540.jpg</image:loc><image:title>Blast-furnace cinder from Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412497/sign-coal-mining</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/372/large_cd0627_064_100730_lcmc_no_more_than_9_persons_allowed_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415956/shell-fuze</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409951/ferranti-ltd-house-transformer</loc><lastmod>2026-01-09T15:19:05.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/910/large_smg00449477.jpg</image:loc><image:title>Ferranti Ltd &quot;House&quot; Transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23545/portion-of-a-bar-of-best-iron-from-the-cyfartha-works-south-wales</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/725/large_smg00094694.jpg</image:loc><image:title>Portion of a bar of &quot;Best iron&quot; from the Cyfartha Works, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23518/slag-from-the-melting-pots-of-steel-when-manganese-was-used</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/472/large_smg00094714.jpg</image:loc><image:title>Slag from the melting pots of steel when manganese was used</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21982/mass-of-brown-quartz-showing-crystals-of-native-silver-new-south-wales</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/691/large_smg00089230.jpg</image:loc><image:title>Mass of brown quartz showing crystals of native silver, New South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412529/signal-bell-junction-box</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411963/signal-for-endless-rope-coal-mining</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/628/large_cd0661_014_110809_lcmc_t2009_sign.jpg</image:loc><image:title>Signal for endless rope, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23397/swedish-charcoal-pig-iron-from-bjorneborg</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/685/large_smg00093445.jpg</image:loc><image:title>Swedish charcoal pig-iron from Bjorneborg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23434/crystallised-pig-iron-locality-unknown</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/659/large_smg00093416.jpg</image:loc><image:title>Crystallised pig-iron, locality unknown</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22582/aluminium-made-by-the-denville-process</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/303/large_smg00097979.jpg</image:loc><image:title>Aluminium made by the Denville process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415945/metal-products-ltd-clarostat-t</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23016/iron-ore-from-the-upper-part-of-the-lower-greensand-near-bonchurch-isle-of-wight</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/158/large_smg00092641.jpg</image:loc><image:title>Iron ore from the upper part of the Lower Greensand, near Bonchurch, Isle of Wight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415666/abc-wax-hand-printing-block</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/699/large_cd0717_014_131216_2013_17_7_1_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/700/large_cd0717_015_131216_2013_17_7_1_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23351/close-grey-pig-iron</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/753/large_smg00093481.jpg</image:loc><image:title>Close grey pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22224/alloy-of-ruthenium-and-tin-international-exhibition-1862</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/380/large_smg00089314.jpg</image:loc><image:title>Alloy of ruthenium and tin. International Exhibition, 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22966/iron-ore-from-east-cliff-hastings</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/318/large_smg00095327.jpg</image:loc><image:title>Iron ore from East Cliff, Hastings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22590/granulated-copper-as-it-is-charged-into-cowles-electric-furnace</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/296/large_smg00097971.jpg</image:loc><image:title>Granulated copper as it is charged into Cowles electric furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23499/bottom-of-a-puddling-furnace</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/766/large_smg00094736.jpg</image:loc><image:title>Bottom of a puddling furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22132/gold-from-2</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/308/large_smg00087961.jpg</image:loc><image:title>Gold from 2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415751/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:05.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410131/ferranti-transformer</loc><lastmod>2026-01-09T15:19:05.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/16/large_cd0488_017_090109_1996_10_810_ferranti_11b_transformer.jpg</image:loc><image:title>Ferranti transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22651/nickel-ore-from-the-united-states-of-america</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/241/large_smg00089904.jpg</image:loc><image:title>Nickel ore from the United States of America</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22047/furnace-bottom-product-containing-free-gold-visible-in-the-cracks-of-the-compact-rock</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412123/miners-check</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/366/large_cd0627_058_100730_lcmc_golborne_colliery_higher_florida_seam_plan.jpg</image:loc><image:title>Miner&apos;s check</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23184/foundry-furnace-slag-produced-at-the-royal-marienhutte-iron-works</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/262/large_smg00093551.jpg</image:loc><image:title>Foundry furnace slag produced at the Royal Marienhutte Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22342/alloy-containing-four-equivalents-of-iron-to-one-of-tin</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/603/large_smg00089290.jpg</image:loc><image:title>Alloy containing four equivalents of iron to one of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23307/large-mass-of-bear-mostly-composed-of-pig-iron</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/836/large_smg00102110.jpg</image:loc><image:title>Large mass of bear mostly composed of pig-iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23277/silicate-of-lime-in-powder-produced-in-a-blast-furnace</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412373/naylor-marsaut-miners-safety-lamp-with-double-bifold-burner</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/212/495/large_cd0403_017_080807_2002_19_497_lcm_miners_lamp.jpg</image:loc><image:title>Naylor Marsaut miner&apos;s safety lamp with double bifold burner</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/536/large_smg00245595.jpg</image:loc><image:title>Naylor Marsaut miner&apos;s safety lamp with double bifold burner</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410693/ferranti-promotional-display</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/729/large_cd0495_008_090127_1996_10_1362_ferranti_11e_display_plaque.jpg</image:loc><image:title>Ferranti promotional display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21999/silver-ore-slag</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/689/large_smg00089221.jpg</image:loc><image:title>Silver-ore slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21451/artificial-blende-or-sulphide-of-zinc-from-the-muldner-hutte-freiberg</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410697/model-zn1040-mask-for-chip-making</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/317/large_cd0476_005_081219_1996_10_1366_ferranti_10a_mask_for_chip_making.jpg</image:loc><image:title>Model ZN1040 mask for chip making</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412853/rail-chairs-or-saddles</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/338/large_cd0627_006_100723_lcmc_t1683_railway_parts.jpg</image:loc><image:title>Rail chairs or saddles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/340/large_cd0627_008_100723_lcmc_t1685_t1686_t1687___t1683_railway_parts.jpg</image:loc><image:title>Rail chairs or saddles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/337/large_cd0627_005_100723_lcmc_t1683_rail_chair_x_5.jpg</image:loc><image:title>Rail chairs or saddles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/339/large_cd0627_007_100723_lcmc_t1683_railway_parts.jpg</image:loc><image:title>Rail chairs or saddles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/336/large_cd0627_004_100723_lcmc_t1683___t1107_railway_parts.jpg</image:loc><image:title>Rail chairs or saddles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410177/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/96/large_cd0482_009_090102_1996_10_845_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Mullard Thermionic Valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/366/large_smg00243804.jpg</image:loc><image:title>Mullard Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410184/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/537/large_smg00249579.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23396/white-iron-from-a-swedish-furnace</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/480/large_smg00093450.jpg</image:loc><image:title>White iron from a Swedish furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415926/group-of-nine-loudspeakers</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21919/result-of-fusing-together-silver-and-silver-sulphide</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/164/large_smg00001252.jpg</image:loc><image:title>Result of fusing together silver and silver sulphide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21984/silver-ore-from-morning-star-mine</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/692/large_smg00089231.jpg</image:loc><image:title>Silver ore from Morning Star Mine</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/867/large_smg00089231.jpg</image:loc><image:title>Silver ore from Morning Star Mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22365/residual-gangue-after-liquating-the-powdered-and-washed-antimony-ore-no2180</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410961/water-thermometer-bulb-used-by-john-dalton</loc><lastmod>2026-01-09T15:19:06.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22036/silver-amalgam</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417330/cable-for-marconi-mk-ii-television-camera-c-1960</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410716/ferranti-model-ms8a-solar-cell</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/733/large_cd0495_012_090127_1996_10_1385_ferranti_11d_model_ms8a_solar_cell.jpg</image:loc><image:title>Ferranti model MS8A solar cell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410375/ferranti-horizon-gyro-unit</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/45/large_cd0441_012_081105_1996_10_1042_ferranti_1e_artificial_horizon.jpg</image:loc><image:title>Ferranti horizon gyro unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23292/old-bear-from-the-russell-hall-blast-furnace-dudley</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/208/large_smg00092696.jpg</image:loc><image:title>Old bear from the Russell Hall Blast Furnace, Dudley</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23209/basic-crystalline-slag</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/244/large_smg00093532.jpg</image:loc><image:title>Basic crystalline slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23781/coil-of-thicker-steel-wire-tested-for-tensile-strength-which-is-very-high</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/560/large_smg00001099.jpg</image:loc><image:title>Coil of thicker steel wire, tested for tensile strength, which is very high</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22939/iron-ore-from-tynardreath</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/340/large_smg00095390.jpg</image:loc><image:title>Iron ore from Tynardreath</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410935/microscope-slides-by-andrew-pritchard</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/307/large_smg00250986.jpg</image:loc><image:title>Microscope Slides by Andrew Pritchard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21763/furnace-regulus-rohstein</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/530/large_smg00095105.jpg</image:loc><image:title>Furnace regulus, &quot;Rohstein&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412490/miners-safety-boots</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/337/large_cd0674_026_120105_lcmc_leather_boots.jpg</image:loc><image:title>Miner&apos;s safety boots.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412063/brickershaw-colliery-neck-tie</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/266/large_cd0675_056_120105_lcmc_t2027_brickershaw_colliery_tie.jpg</image:loc><image:title>Brickershaw Colliery neck tie</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23062/iron-ore-from-the-stor-mine-petersberg-wermland-sweden</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/999/large_smg00092577.jpg</image:loc><image:title>Iron ore from the Stor Mine, Petersberg, Wermland, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21912/silver-button-from-cupellation-swollen-by-included-oxygen</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/266/large_smg00001248.jpg</image:loc><image:title>Silver button from cupellation swollen by included oxygen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415889/type-za5624-dyn-plug</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410283/ferranti-model-mcab25-electric-meter</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/350/large_cd0471_011_081212_1996_10_951_ferranti_8c_electric_meter.jpg</image:loc><image:title>Ferranti model MCAB25 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21972/silver-ore-from-avrastras-real-del-monte</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/304/large_smg00087235.jpg</image:loc><image:title>Silver ore from Avrastras, Real del Monte</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21467/powdered-oxide-of-zinc</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410494/ferranti-circuit-board</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/103/large_cd0482_016_090102_1996_10_1163_ferranti_10d_circuit_board.jpg</image:loc><image:title>Ferranti circuit board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21929/result-of-heating-together-suphides-of-lead-and-silver</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/178/large_smg00001274.jpg</image:loc><image:title>Result of heating together suphides of lead and silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23668/bar-of-vickers-special-steel</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/491/large_smg00094233.jpg</image:loc><image:title>Bar of Vickers Special steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21646/scoria-from-slag-lead-kept-melted-during-eight-hours-with-access-of-air</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/800/large_smg00095071.jpg</image:loc><image:title>Scoria from slag lead kept melted during eight hours with access of air</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939798/cooke-luxor-anastigmat-lens</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/610/large_smg00452144.jpg</image:loc><image:title>Cooke-Luxor Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21629/ore-calcined-for-three-hours-in-a-reverberatory-flintshire-furnace</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415920/ferranti-ltd-electronic-connector</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23843/section-of-old-rail-after-29-years-use-on-the-church-fenton-and-harrogate-line-of-the-north-eastern-railway</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/600/large_smg00001142.jpg</image:loc><image:title>Section of old rail after 29 years use on the  Church Fenton and Harrogate line of the North-eastern Railway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22394/sulphide-of-antimony-fused-with-carbonate-of-soda-experiment-by-w-baker</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22370/rich-antimony-ore-from-borneo</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21644/mean-sample-of-grey-slag</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/798/large_smg00095068.jpg</image:loc><image:title>Mean sample of grey slag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412516/shovel-coal-mining-use</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/322/large_cd0626_002_100723_lcmc_long_handle_shovel.jpg</image:loc><image:title>Shovel, coal mining use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22861/alloy-of-iron-and-antimony</loc><lastmod>2026-01-09T15:19:06.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/499/large_smg00095316.jpg</image:loc><image:title>Alloy of iron and antimony</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23331/brown-and-black-minute-crystals-from-a-cavity-in-the-brickwork-at-ebbw-vale</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415699/fabric-sample</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/729/large_cd0717_044_131216_2013_17_38_fabric_sample.jpg</image:loc><image:title>fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21961/silver-compound-analogous-to-the-purple-of-cassius</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/493/large_smg00087231.jpg</image:loc><image:title>Silver compound analogous to the purple of Cassius</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22478/tungstate-of-baryta-prepared-by-messrs-lister-and-biggs</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/576/large_smg00088100.jpg</image:loc><image:title>Tungstate of baryta. Prepared by Messrs. Lister and Biggs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23169/blast-furnace-slag-from-the-cyfartha-iron-works</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/988/large_smg00092566.jpg</image:loc><image:title>Blast-furnace slag from the Cyfartha Iron Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23729/hollow-hemisphere-of-mild-steel</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/823/large_smg00095487.jpg</image:loc><image:title>Hollow hemisphere of mild steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412861/sign</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/334/large_cd0626_015_100723_lcmc_t_1623_baths_sign.jpg</image:loc><image:title>Sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22067/furnace-product-from-a-silver-reduction-works-at-salt-lake-city</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/338/large_smg00088006.jpg</image:loc><image:title>Furnace product from a silver reduction works at Salt Lake City</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412290/miners-union-coat-badge</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/795/large_smg00244541.jpg</image:loc><image:title>Miner&apos;s union coat badge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413047/coal-mining-laboratory-test-sieve</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/346/large_cd0674_036_120105_lcmc_t8_2_2001_12_laboratory_test_sieve.jpg</image:loc><image:title>Coal mining laboratory test sieve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410691/ferranti-promotional-display</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/727/large_cd0495_006_090126_1996_10_1360_ferranti_11e_display_plaque.jpg</image:loc><image:title>Ferranti promotional display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22985/mass-of-quartz-in-the-midst-of-spathic-iron-ore</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/272/large_smg00095253.jpg</image:loc><image:title>Mass of quartz in the midst of spathic iron ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21454/calcined-blende-mixed-with-coke-ready-for-distillation-vivians-works</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22775/result-of-an-experiment-on-the-combination-of-iron-and-sulphur</loc><lastmod>2026-01-09T15:19:06.722Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/798/large_smg00102176.jpg</image:loc><image:title>Result of an experiment on the combination of iron and sulphur</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21715/result-of-smelting-hard-lead</loc><lastmod>2026-01-09T15:19:06.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/552/large_smg00095132.jpg</image:loc><image:title>Result of smelting hard lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21714/speiss-obtained-from-the-lead-smelted-in-a-flowing-furnace</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/698/large_smg00096592.jpg</image:loc><image:title>Speiss obtained from the lead smelted in a flowing furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410706/valve-computer-plug-board</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/480/large_cd0502_019_090210_1996_10_1375_ferranti_13c_card_from_computer.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/142/large_smg00243545__0003_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/141/large_smg00243545__0002_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/140/large_smg00243545__0001_.jpg</image:loc><image:title>Valve computer plug board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413623/fire-extinguisher</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22274/tin-slag-compact-form</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22290/residual-product-from-refining-tin-in-south-america</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/711/large_smg00089264.jpg</image:loc><image:title>Residual product from refining tin in South America</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413625/motor-controller</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/663/large_cd0648_007_110315_lcmc_t383_motor_controller.jpg</image:loc><image:title>Motor controller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413044/seiger-methane-recorder</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/570/large_cd0647_013_110315_lcmc_t8_2_2001_21_methane_recorder.jpg</image:loc><image:title>Seiger Methane Recorder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23077/iron-ore-from-kai-ping</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/224/large_smg00093511.jpg</image:loc><image:title>Iron ore from Kai-Ping</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23580/russian-sheet-iron</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/741/large_smg00094710.jpg</image:loc><image:title>Russian sheet iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22424/realgar-from-china</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/537/large_smg00088038.jpg</image:loc><image:title>Realgar from China</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22485/columbite-from-middletown</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/579/large_smg00088112.jpg</image:loc><image:title>Columbite from Middletown</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23438/kishy-iron-produced-at-blaina-iron-works-newport-monmouthshire</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/662/large_smg00093419.jpg</image:loc><image:title>Kishy iron produced at Blaina Iron Works, Newport, Monmouthshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21557/silicate-of-lead-containing-one-equivalent-of-lead-oxide-to-one-of-silica</loc><lastmod>2026-01-09T15:19:07.191Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/388/52/large_smg00098295.jpg</image:loc><image:title>Silicate of lead containing one equivalent of lead oxide to one of silica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410737/ferranti-metal-casting</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/39/large_cd0441_006_081105_1996_10_1407_ferranti_2c_metal_casting.jpg</image:loc><image:title>Ferranti metal casting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415918/ferranti-ltd-electrical-component</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21868/alloy-of-three-and-a-half-parts-of-lead-to-four-of-tin</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/386/129/large_smg00001189.jpg</image:loc><image:title>Alloy of three and a half parts of lead to four of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22476/tungstate-of-ammonia</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/573/large_smg00088096.jpg</image:loc><image:title>Tungstate of ammonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23475/crystals-on-the-surface-of-a-tap-cinder</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/620/large_smg00093376.jpg</image:loc><image:title>Crystals on the surface of a tap cinder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22477/tungstate-of-ammonia</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/574/large_smg00088097.jpg</image:loc><image:title>Tungstate of ammonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21748/slag-schlacke</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/688/large_smg00096579.jpg</image:loc><image:title>Slag, &quot;Schlacke&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23076/earthy-brown-concretionary-massive-haematite-from-rung-chung</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/227/large_smg00093514.jpg</image:loc><image:title>Earthy brown concretionary massive haematite from Rung Chung</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23450/portion-of-a-bear-in-a-furnace-of-the-wigan-coal-and-iron-co-lancashire</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/637/large_smg00093393.jpg</image:loc><image:title>Portion of a bear? in a furnace of the Wigan Coal and Iron Co., Lancashire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410410/ferranti-model-745-radio</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/72/large_smg00247495.jpg</image:loc><image:title>Ferranti Model 745 Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412115/group-of-14-plastic-miners-deployment-checks</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/657/large_smg00245728.jpg</image:loc><image:title>Group of 14 plastic miner&apos;s deployment checks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022341/leitz-vidom-universal-viewfinder</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23546/sample-of-best-rivet-iron</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/724/large_smg00094693.jpg</image:loc><image:title>Sample of best rivet iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415943/metal-products-ltd-clarostat-t</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21456/calcined-calamine</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23249/old-furnace-slag-containing-fragments-of-charcoal</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/932/large_smg00092380.jpg</image:loc><image:title>Old furnace slag containing fragments of charcoal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410229/ferranti-model-2-clock</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/478/41/large_smg00247474.jpg</image:loc><image:title>Ferranti Model 2 Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22783/iron-wire-which-has-been-heated-in-ammonia</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/509/large_smg00095356.jpg</image:loc><image:title>Iron wire which has been heated in ammonia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22612/boride-of-aluminium-prepared-and-communicated-by-h-st-clair-deville</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/228/large_smg00089884.jpg</image:loc><image:title>Boride of aluminium. Prepared and communicated by H. St. Clair Deville</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23555/small-pieces-of-iron-used-in-the-welch-furnace</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/796/large_smg00095502.jpg</image:loc><image:title>Small pieces of iron used in the &quot;Welch Furnace&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23824/decayed-half-inch-cast-iron-plate-from-colliery-upcast-shaft</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23219/dark-grey-glassy-slag-with-scattered-crystals-of-opaque-yellowish-green-material-apparently-in-rhombic-prism</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/951/large_smg00092400.jpg</image:loc><image:title>Dark grey glassy slag, with scattered crystals of opaque yellowish-green material, apparently in rhombic prism</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410575/ferranti-thermionic-valve</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/533/large_smg00249572.jpg</image:loc><image:title>Ferranti Thermionic Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415931/ferranti-ltd-model-255-valve-radio-receiver</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21679/red-lead-formed-in-the-bed-of-a-reverberatory-furnace</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410714/two-ferranti-type-5090411-components</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/934/large_cd0485_001_090106_1996_10_1383_2_ferranti_10b_electrical_component.jpg</image:loc><image:title>Two Ferranti type 5090411 components</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/175/large_cd0484_022_090106_1996_10_1383_1_ferranti_10b_electrical_component.jpg</image:loc><image:title>Two Ferranti type 5090411 components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410295/ferranti-display-itempaperweight</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/716/large_smg00249691.jpg</image:loc><image:title>Ferranti Display Item/Paperweight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23203/slag-from-working-no2-iron-at-the-new-jersey-zinc-works-newark-usa</loc><lastmod>2026-01-09T15:19:07.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/259/large_smg00093548.jpg</image:loc><image:title>Slag from working No.2 iron at the New Jersey Zinc Works, Newark, USA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939639/zeiss-stereoscopic-camera</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/68/large_smg00452445.jpg</image:loc><image:title>Zeiss Stereoscopic Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939856/ross-xpres-lens</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/641/large_smg00452245.jpg</image:loc><image:title>Ross Xpres Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21452/franklinite-an-oxide-of-zinc</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22392/glass-of-anitmony-also-called-liver-of-antimony</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23101/residue-from-the-extraction-of-zinc-from-franklinite</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/36/large_smg00092615.jpg</image:loc><image:title>Residue from the extraction of zinc from Franklinite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410921/microprojector-made-by-j-b-dancer</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/653/large_smg00245779__0004_.jpg</image:loc><image:title>Microprojector, made by J. B. Dancer.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/651/large_smg00245779__0002_.jpg</image:loc><image:title>Microprojector, made by J. B. Dancer.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/652/large_smg00245779__0003_.jpg</image:loc><image:title>Microprojector, made by J. B. Dancer.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/642/650/large_smg00245779__0001_.jpg</image:loc><image:title>Microprojector, made by J. B. Dancer.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22494/ceric-oxide</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/463/large_smg00098056.jpg</image:loc><image:title>Ceric oxide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22473/tungstate-of-soda</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/570/large_smg00088093.jpg</image:loc><image:title>Tungstate of soda</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23374/pig-iron-no3-analysed-by-messrs-cammel-1874</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/481/large_smg00093475.jpg</image:loc><image:title>Pig-iron no.3, analysed by Messrs. Cammel, 1874</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415892/ferranti-ltd-electric-meter</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23346/grey-pig-iron-ystalyfera-iron-furnaces-south-wales</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/768/large_smg00093497.jpg</image:loc><image:title>Grey pig-iron, Ystalyfera Iron Furnaces, South Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22247/black-tin-as-dressed-by-the-old-process-fluran-from-drakewalls-tin-mines</loc><lastmod>2026-01-09T15:19:08.101Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410744/ferranti-model-cf5168-electric-heater</loc><lastmod>2026-01-09T15:19:08.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/990/large_smg00246150.jpg</image:loc><image:title>Ferranti Model C/F5168 Electric Heater</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412280/miners-drink-token</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/628/large_smg00245699.jpg</image:loc><image:title>Miner&apos;s drink token</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22167/pure-gold</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23003/pennystone-madeley-shropshire-analysed-by-j-spiller</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/294/large_smg00095275.jpg</image:loc><image:title>Pennystone, Madeley, Shropshire, analysed by J. Spiller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410736/model-fl363878-mark-iii-shell-fuse-nosecap</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/211/38/large_cd0441_005_081105_1996_10_1406_ferranti_2c_shell_fuse_nosecap.jpg</image:loc><image:title>Model FL3/63878 Mark III shell fuse nosecap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22836/results-of-experiments-on-the-action-of-sulphur-on-iron-containing-carbon</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/477/large_smg00095292.jpg</image:loc><image:title>Results of experiments on the action of sulphur on iron containing carbon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410530/thermionic-valve-components</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/479/530/large_smg00249568.jpg</image:loc><image:title>Thermionic Valve Components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22816/result-of-another-experiment-with-the-same-ore</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/530/large_smg00095377.jpg</image:loc><image:title>Result of another experiment with the same ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23486/crystalline-slag-from-the-urals</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/619/large_smg00093375.jpg</image:loc><image:title>Crystalline slag from the Urals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22038/silver-obtained-as-a-solid-button-by-heating-the-solid-amalgam</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23411/spiegeleisen-from-messrs-bird-and-co</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/698/large_smg00093461.jpg</image:loc><image:title>Spiegeleisen from Messrs. Bird and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23202/slag-from-a-furnace-making-spiegeleisen-at-mulheim</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/468/large_smg00093547.jpg</image:loc><image:title>Slag from a furnace making spiegeleisen at Mulheim</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8939801/symmetrical-doublet-lens-f8-6-fl</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/184/large_smg00452454.jpg</image:loc><image:title>Symmetrical Doublet Lens F.8 6&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410380/electric-meter</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/503/large_cd0464_015_081211_1996_10_1047_ferranti_7c_electric_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22968/impregnation-of-wood-by-hydrated-ferric-oxide-with-small-crystals-of-baryta</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/315/large_smg00095324.jpg</image:loc><image:title>Impregnation of wood by hydrated ferric oxide, with small crystals of baryta</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22302/granulated-tin-in-small-particles</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/595/large_smg00089249.jpg</image:loc><image:title>Granulated tin, in small particles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/873/large_smg00089249.jpg</image:loc><image:title>Granulated tin, in small particles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22596/the-alloy-of-aluminium-and-copper-as-it-first-comes-from-cowles-electric-furnace</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/297/large_smg00097972.jpg</image:loc><image:title>The alloy of aluminium and copper as it first comes from Cowles electric furnace</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410495/ferrantimason-model-4p-electric-meter</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/352/large_cd0471_013_081212_1996_10_1164_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti/Mason model 4P electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412352/plate-commemorating-old-boston-colliery-and-training-centre</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/217/large_cd0386_004_080626_2002_19_453_lcm_commemorative_plate.jpg</image:loc><image:title>Plate, commemorating Old Boston Colliery and Training Centre</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/755/large_smg00245854.jpg</image:loc><image:title>Plate, commemorating Old Boston Colliery and Training Centre</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21705/ingot-of-desilvered-lead-now-ready-for-the-softening-furnace-in-parkess-process-from-the-llanelly-lead-works</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/695/large_smg00096589.jpg</image:loc><image:title>Ingot of desilvered lead now ready for the softening furnace in Parkes&apos;s process. From the Llanelly Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412428/enamel-badge-for-lancashire-wo</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/528/large_cd0383_005_080610_2002_19_525_lancashire_coal_mining_badge.jpg</image:loc><image:title>Enamel badge for Lancashire Wo</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/792/large_smg00244538.jpg</image:loc><image:title>Enamel badge for Lancashire Wo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21721/lead-fume-from-the-slag-hearth</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/810/large_smg00095135.jpg</image:loc><image:title>Lead fume from the slag-hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22333/alloy-of-four-parts-of-tin-with-six-parts-of-copper-from-berlin</loc><lastmod>2026-01-09T15:19:08.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/722/large_smg00089275.jpg</image:loc><image:title>Alloy of four parts of tin with six parts of copper from Berlin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22849/alloy-of-10-of-copper-with-2-of-iron-experiment-by-jrichardson</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/484/large_smg00095299.jpg</image:loc><image:title>Alloy of 10 of copper with 2 of iron, experiment by J.Richardson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23597/pig-of-bessemer-iron</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21733/zinc-reduced-in-the-process</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/555/large_smg00095141.jpg</image:loc><image:title>Zinc reduced in the process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21948/chloride-of-silver-resembling-horn-silver</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/305/large_smg00087238.jpg</image:loc><image:title>Chloride of silver resembling &quot;horn silver&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22144/gold-from-2000-grains-of-lead-forming-part-of-a-lead-pipe-used-at-the-exhibition-of-1851</loc><lastmod>2026-01-09T15:19:09.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/383/large_smg00089319.jpg</image:loc><image:title>Gold from 2,000 grains of lead forming part of a lead pipe used at the Exhibition of 1851</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23657/sal-charcoal-as-used-in-the-manufacture-of-iron-in-birbum</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415660/abc-wax-hand-printing-block</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/688/large_cd0717_003_131216_2013_17_2_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/687/large_cd0717_002_131216_2013_17_2_hand_printing_block.jpg</image:loc><image:title>ABC Wax hand printing block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415927/metal-rod</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22731/alloy-of-nickel-and-iron</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/371/large_smg00102163.jpg</image:loc><image:title>Alloy of nickel and iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22980/spathic-iron-ore-from-great-ormes-head-north-wales</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/273/large_smg00095254.jpg</image:loc><image:title>Spathic iron ore from Great Ormes Head, North Wales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412538/five-blacksmiths-swages</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/589/large_cd0647_033_110315_lcmc_blacksmiths_tools.jpg</image:loc><image:title>Five blacksmith&apos;s swages</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21808/another-powdery-deposit-in-the-chimney-in-corduries-process-of-steaming-lead</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/550/large_smg00095130.jpg</image:loc><image:title>Another powdery deposit in the chimney, in Cordurie&apos;s process of steaming lead</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22615/crystallised-silicon</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23624/dinas-brick-which-has-been-used-in-the-interior-of-a-siemens-regenerator</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23740/seven-specimens-of-iron-for-armour-plates</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/814/large_smg00095478.jpg</image:loc><image:title>Seven specimens of iron for armour plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412442/badge-for-past-president-of-institute-of-mining-electrical-and-mining-mechanical-engineers</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/253/large_cd0392_023_080710_2002_19_541_lcm_imemme_badge___case.jpg</image:loc><image:title>Badge, for Past President of Institute of Mining Electrical and Mining Mechanical Engineers</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/213/254/large_cd0392_024_080710_2002_19_541_lcm_imemme_badge.jpg</image:loc><image:title>Badge, for Past President of Institute of Mining Electrical and Mining Mechanical Engineers</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/748/large_smg00245847.jpg</image:loc><image:title>Badge, for Past President of Institute of Mining Electrical and Mining Mechanical Engineers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410281/electric-meter</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/348/large_cd0471_009_081212_1996_10_949_ferranti_8d_electric_meter.jpg</image:loc><image:title>Electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412518/wheel-probably-from-a-coal-tub</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/595/large_cd0647_041_110315_lcmc_metal_wheel.jpg</image:loc><image:title>Wheel, probably from a coal tub</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410594/gec-thermionic-valve</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/851/large_cd0493_012_090123_1996_10_1263_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>GEC thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/360/large_smg00243798.jpg</image:loc><image:title>GEC thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22515/metallic-magnesium-cast-into-the-form-of-a-medal-1851</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/455/large_smg00098029.jpg</image:loc><image:title>Metallic magnesium cast into the form of a medal, 1851</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23794/main-spring-of-a-watch-smaller-than-a-threepenny-piece</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/592/large_smg00001134.jpg</image:loc><image:title>Main-spring of a watch smaller than a threepenny piece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23362/mixture-of-iron</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/741/large_smg00093467.jpg</image:loc><image:title>Mixture of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23199/slag-from-a-swedish-iron-blast-furnace-international-exhibition-1862</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/962/large_smg00092539.jpg</image:loc><image:title>Slag from a Swedish iron blast-furnace, International Exhibition, 1862</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22018/residue-after-washing-out-the-sulphate-of-silver</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/588/large_smg00089212.jpg</image:loc><image:title>Residue after washing out the sulphate of silver</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/864/large_smg00089212.jpg</image:loc><image:title>Residue after washing out the sulphate of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22460/molybdate-of-stannous-oxide-prepared-by-dr-percy-1851</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/395/675/large_smg00088081.jpg</image:loc><image:title>Molybdate of stannous oxide. Prepared by Dr. Percy, 1851</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/859/large_smg00088081.jpg</image:loc><image:title>Molybdate of stannous oxide. Prepared by Dr. Percy, 1851</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019660/spectrum-tube</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/28/large_smg00174413.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412499/cutaway-model-coal-mining</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/362/large_cd0627_041_100723_lcmc_cutaway_model_of_coal_getter.jpg</image:loc><image:title>Cutaway model, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co417323/cable-for-marconi-mark-iii-television-camera-c-1960</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8019662/spectrum-tube</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/27/large_smg00174406.jpg</image:loc><image:title>Spectrum tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415903/ferranti-ltd-model-a440f-electric-meter</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21707/desilvered-softened-lead-after-poling-parkes-process-from-the-llanelly-lead-works</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/697/large_smg00096591.jpg</image:loc><image:title>Desilvered softened lead after poling (Parkes&apos; Process) From the Llanelly Lead Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410347/model-7542-loudspeaker</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22194/crystalline-alloy-of-gold-and-silver</loc><lastmod>2026-01-09T15:19:09.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co156476/tool-for-cleaning-pistol-barrels</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/419/950/large_smg00198645.jpg</image:loc><image:title>Tool for cleaning pistol barrels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415887/ferranti-ltd-mains-electric-clock</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8411023/hammer-coal-mining-use</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413379/copper-stem-rod-with-combined-scraper</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/247/large_cd0663_072_111004_lcmc_t363_2_long_thin_stick.jpg</image:loc><image:title>Copper stem rod with combined scraper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22750/cobalt-and-nickel-speiss</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/359/large_smg00102151.jpg</image:loc><image:title>Cobalt and nickel speiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434084/saddlers-french-pincers-for-leather-stretching</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950123/symmetrical-lens</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/206/large_smg00452560.jpg</image:loc><image:title>Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560208/bernard-bresslaw-in-the-ugly-duckling</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22735/experimental-alloy-of-nickel-with-5-percent-tin</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/357/large_smg00102149.jpg</image:loc><image:title>Experimental alloy of nickel with 5 percent tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410399/ferranti-name-plate</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/454/large_cd0501_004_090206_1996_10_1068_ferranti_12c_name_plate.jpg</image:loc><image:title>Ferranti name plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948526/ross-xpres-lens</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/671/large_smg00452555.jpg</image:loc><image:title>Ross Xpres Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23579/thin-sheet-iron-manufactured-in-russia</loc><lastmod>2026-01-09T15:19:09.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/721/large_smg00094690.jpg</image:loc><image:title>Thin sheet iron manufactured in Russia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410621/haltron-thermionic-valve</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/158/large_cd0484_006_090106_1996_10_1290_ferranti_10e_thermionic_valve.jpg</image:loc><image:title>Haltron thermionic valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/141/large_smg00243514.jpg</image:loc><image:title>Haltron thermionic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co21615/lead-ore-snailbeach-lead-works-shropshire</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/821/large_smg00095202.jpg</image:loc><image:title>Lead ore, Snailbeach Lead Works, Shropshire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23661/rehammered-iron-as-sold-in-the-bazaars-of-nagore</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/496/large_smg00094239.jpg</image:loc><image:title>Rehammered iron as sold in the Bazaars of Nagore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co22258/sample-of-sand-containing-tinstone-from-brittany</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432823/wooden-form-board-by-ch-stoelting-co</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/784/large_smg00159519.jpg</image:loc><image:title>Wooden form board by C.H. Stoelting Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560614/christopher-lee-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168707/2-catlins</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co23431/arborescent-crystals-of-cast-iron-from-the-centre-of-a-block-cast-for-the-fortifications-of-todleben-1880</loc><lastmod>2026-01-09T15:19:09.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/404/667/large_smg00093424.jpg</image:loc><image:title>Arborescent crystals of cast iron, from the centre of a block cast for the fortifications of Todleben, 1880</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417466/small-prop-axe</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/318/large_cd0630_007_100817_lcmc_t1991_small_prop_axe.jpg</image:loc><image:title>Small prop axe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co36214/bridge-telephone-1900-1950</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/926/large_1962_0173_0001__0001_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/927/large_1962_0173_0001__0002_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/888/large_1951_0594_0001__0001_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/64/938/large_1962_0173_0001__0005_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/64/936/large_1962_0173_0001__0003_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/64/937/large_1962_0173_0001__0004_.jpg</image:loc><image:title>Bridge telephone, 1900-1950</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8561058/hyspeed-camera-made-for-rolls-royce</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560333/the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560375/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560674/masks-for-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560655/mask-from-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560662/special-effects-make-up-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168713/listers-sinus-forceps</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/344/826/large_smg00238860.jpg</image:loc><image:title>Lister&apos;s sinus forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431144/optical-parts-of-lassells-telescope</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/943/large_smg00030198.jpg</image:loc><image:title>Optical parts of Lassell&apos;s telescope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560309/blank-sheet-of-sketching-paper</loc><lastmod>2026-01-09T15:19:10.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432740/wooden-box-containing-wooden-block-test</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/27/large_smg00160556.jpg</image:loc><image:title>Wooden box containing wooden block test</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432769/wallin-peg-board-b-stutsman-test-by-ch-stoelting-co</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/768/large_smg00159501.jpg</image:loc><image:title>Wallin peg board &quot;B&quot; Stutsman test by C.H. Stoelting Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560719/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560841/human-and-dog-faces</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560831/letter-from-roy-ashton-to-phil-and-gladys-leakey</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560733/unidentified-character</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417975/surveyors-tripod-with-a-theodolite</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/442/large_cd0664_063_111004_lcmc_t1630_surveyors_tripod_with_theodolite.jpg</image:loc><image:title>Surveyor&apos;s tripod with a theodolite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560951/47-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560332/self-portrait-of-roy-ashton</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560453/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418063/drill-bit</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/329/large_cd0630_018_100819_lcmc_t12_10_2000_47_drill_bit.jpg</image:loc><image:title>drill bit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560500/wolfman-in-the-monster-club</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560667/sketch-of-a-wolf</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818750/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560734/christopher-lee-as-a-wild-west-character</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417909/ruber-and-metal-seal</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418046/plastic-hard-hat</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/603/large_cd0660_061_110809_lcmc_t1229_2_plastic_hard_hat.jpg</image:loc><image:title>Plastic hard hat.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560852/letter-from-phil-leakey-to-his-son-peter</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560705/notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417501/deputys-stick-coal-mining</loc><lastmod>2026-01-09T15:19:10.902Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/247/large_cd0675_037_120105_lcmc_t1887_3_deputy_s_stick.jpg</image:loc><image:title>Deputy&apos;s stick, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8817536/power-charger-for-permobil-wheelchairs</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/511/large_smg00722154__0001_.jpg</image:loc><image:title>Power charger for Permobil wheelchairs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948454/a-lens</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/4/large_smg00452191.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560917/13-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560298/daily-routine-of-a-make-up-artist</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432817/decroly-matching-game-stutsman-test</loc><lastmod>2026-01-09T15:19:11.113Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/429/large_smg00156604.jpg</image:loc><image:title>Decroly Matching Game, Stutsman test</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560200/roy-ashton-in-his-make-up-studio-with-barbara-shelley</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560656/special-effects-make-up-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433338/saddlers-adjustable-spoke-shave</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/105/large_smg00066670.jpg</image:loc><image:title>Saddler&apos;s adjustable spoke shave</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434093/saddlers-needle-case-in-ebony</loc><lastmod>2026-01-09T15:19:11.586Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/135/large_smg00066701.jpg</image:loc><image:title>Saddler&apos;s needle case in ebony.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433895/saddlers-2-pricker-hand-wrought</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/118/large_smg00066683.jpg</image:loc><image:title>Saddler&apos;s 2&quot; pricker, hand wrought.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560830/letter-from-roy-ashton-to-phil-and-gladys-leakey</loc><lastmod>2026-01-09T15:19:12.633Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560276/richard-attenborough-in-sea-of-sand</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32492/wooden-assembly</loc><lastmod>2026-01-09T15:19:12.633Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417930/miners-cap-lamp-with-battery</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/238/large_cd0620_013_100513_t1771_miners_cap_lamp_system_with_battery.jpg</image:loc><image:title>Miner&apos;s cap lamp with battery.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8564639/short-length-of-glass-rod-with-right-angled-bend-at-end</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560448/jacqueline-pearce-in-the-reptile</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560454/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415793/model-cv4004-transistor</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co166061/brush-part-of-trephination-set</loc><lastmod>2026-01-09T15:19:12.633Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/283/470/large_a121486_0006__0001_.jpg</image:loc><image:title>Brush, part of trephination set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560335/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560804/the-creature-from-frankenstein</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818766/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:11.935Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948453/a-lens</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/754/large_smg00452187.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417910/rubber-and-metal-monopump-part</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168278/fine-plated-metal-probe</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/485/large_smg00283112.jpg</image:loc><image:title>Fine plated metal probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560624/peter-cushing-in-candleshoe</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560561/richard-pasco-in-the-gorgon</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818769/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415789/thermionic-valve</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560597/paul-massie-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418821/ferranti-power-transformer</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/408/large_cd0096_019_050321_y1996_10_8650_ferranti_transformer.jpg</image:loc><image:title>Ferranti Power Transformer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/247/409/large_cd0096_020_050321_y1996_10_8650_ferranti_transformer.jpg</image:loc><image:title>Ferranti Power Transformer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/903/large_smg00216445.jpg</image:loc><image:title>Ferranti Power Transformer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432773/wooden-form-board-with-ten-shapes-by-andrew-h-baird</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/441/large_smg00156617.jpg</image:loc><image:title>Wooden form board with ten shapes by Andrew H. Baird</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418085/electric-signal-bell</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/582/large_cd0647_025_110315_lcmc_t1151_buile_hill_signals_to_tunnelling_area.jpg</image:loc><image:title>Electric signal bell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8688921/monoject-ampoule-syringe-of-morphine-hydrochloride</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560955/51-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560207/bernard-bresslaw</loc><lastmod>2026-01-09T15:19:12.633Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432864/wooden-cubes-construction-test-1910-1930</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/788/large_smg00159523.jpg</image:loc><image:title>Wooden cubes construction test, 1910-1930.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560709/miscellaneous-sketches</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418106/huncoat-accrington-brick</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/561/large_cd0660_018_110809_lcmc_t695_huncoat_brick.jpg</image:loc><image:title>Huncoat Accrington brick</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/598/large_cd0660_056_110809_lcmc_t1120_brick.jpg</image:loc><image:title>Huncoat Accrington brick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434398/saddle-makers-11-point-pinking-punch-size-1-14</loc><lastmod>2026-01-09T15:19:12.710Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/124/large_smg00066690.jpg</image:loc><image:title>Saddle maker&apos;s 11 point pinking punch size 1 1/4&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560296/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560385/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415824/ferranti-ltd-type-vht4-thermionic-valve</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168285/tonsil-guillotine</loc><lastmod>2026-01-09T15:19:13.152Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/343/480/large_smg00192544.jpg</image:loc><image:title>Tonsil guillotine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560948/44-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415825/ferranti-ltd-type-ecc85-thermionic-valve</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560573/roy-ashton-at-gaumont-british-studios</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8947857/ruby-rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/657/large_smg00452529.jpg</image:loc><image:title>Ruby Rapid Rectilinear Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560294/reference-photograph-of-oliver-reed</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560305/model-head-probably-rasputin</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417990/emergency-resuscitation-sign</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/255/large_cd0628_014_100730_lcmc_t151_emergency_rescuscition_sign.jpg</image:loc><image:title>Emergency resuscitation sign.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560437/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433898/saddlers-12-point-pricker-punch</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/115/large_smg00066680.jpg</image:loc><image:title>Saddler&apos;s 12 point pricker punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560663/special-effects-make-up-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818731/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560957/53-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:13.631Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415869/mullard-type-ef80-thermionic-valve</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433461/moulding-plane-convex-profile</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/0/large_smg00066467.jpg</image:loc><image:title>Moulding  plane: convex profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433186/saddlers-1-716-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/74/large_smg00066639.jpg</image:loc><image:title>Saddler&apos;s 1 7/16&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560840/human-and-dog-faces</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433436/moulding-plane</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/997/large_smg00066464.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168400/fergussons-mouth-gag</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/350/71/large_smg00117323.jpg</image:loc><image:title>Fergusson&apos;s mouth gag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560659/make-up-for-the-phantom-of-the-opera</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950145/a-petzval-portrait-double-lens</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/219/large_smg00452576.jpg</image:loc><image:title>A Petzval Portrait Double Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560687/concept-sketch-for-professor-heitz-in-the-gorgon</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560698/notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560359/the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417449/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:14.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/766/large_cd0716_060_131216_2013_17__69_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432718/finger-dynamometer-by-cf-palmer-ltd</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/834/large_smg00160554.jpg</image:loc><image:title>Finger dynamometer by C.F. Palmer Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8036270/avo-no-1-mk-2-radiac-survey-meter</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/374/743/large_smg00085737.jpg</image:loc><image:title>Avo No 1 Mk 2 Radiac Survey Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560297/devil-mask-from-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560875/reference-photograph-of-mary-mackenzie</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418058/deployment-colour-symbols-sign</loc><lastmod>2026-01-09T15:19:14.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/247/large_cd0628_006_100730_lcmc_t12_10_2000_111_deployment_colour_symbols_sign.jpg</image:loc><image:title>&apos;Deployment Colour Symbols&apos; sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560661/special-effects-make-up-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560978/74-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:14.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/468/large_smg00269612.jpg</image:loc><image:title>74 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432909/moulding-plane</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/922/large_smg00066119.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560725/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433035/moulding-plane-plain-shallow-bead-type</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/937/large_smg00066136.jpg</image:loc><image:title>Moulding plane: plain shallow bead  type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560337/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432828/maze-key-used-for-testing-reactions-1940-1996</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418132/sign-from-sandhole-colliery</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/585/large_cd0660_043_110809_lcmc_t1010_sign.jpg</image:loc><image:title>Sign from Sandhole Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560326/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:15.745Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560936/32-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417591/miners-combustion-safety-lamp</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432782/gramophone-turntable-with-no-pickup-arm</loc><lastmod>2026-01-09T15:19:15.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/24/large_smg00160511.jpg</image:loc><image:title>Gramophone turntable with no pickup arm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941180/isostigmat-f56-lens</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/170/smg00452228.jpg</image:loc><image:title>Isostigmat F.5.6 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433256/saddlers-no-2-edging-iron</loc><lastmod>2026-01-09T15:19:15.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/101/large_smg00066666.jpg</image:loc><image:title>Saddler&apos;s No 2 edging iron.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560941/37-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415785/group-of-four-ferranti-ltd-thermionic-valves</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560982/78-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/471/large_smg00269615.jpg</image:loc><image:title>78 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941143/kodak-anastigmat-f63-lens</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/172/large_smg00452231.jpg</image:loc><image:title>Kodak Anastigmat F.63 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432713/physiological-instrument-hand-powered</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/764/large_smg00159429.jpg</image:loc><image:title>Physiological instrument, hand-powered</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560423/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560939/35-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:15.745Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560444/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818743/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560690/reference-photograph-of-ian-hendry</loc><lastmod>2026-01-09T15:19:15.210Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433179/saddlers-1-316-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:15.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/77/large_smg00066642.jpg</image:loc><image:title>Saddler&apos;s 1 3/16&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418080/fibrous-miners-hard-hat</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/600/large_cd0660_058_110809_lcmc_t1161_fibrous_hard_hat.jpg</image:loc><image:title>Fibrous miner&apos;s hard hat.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560469/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560746/christopher-lee-as-dracula</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32499/oscilloscope-tube-for-detecting-reverse-current-in-induction-coil-discharge</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415794/group-of-seven-tel-thermionic-valves</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433041/moulding-planecommon-ovolo-type</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/939/large_smg00066138.jpg</image:loc><image:title>Moulding plane:common ovolo type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560534/peter-cushing-as-a-tramp</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560888/vincent-prince-in-house-of-wax</loc><lastmod>2026-01-09T15:19:15.858Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417560/plaque-coal-mining</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/660/large_cd0661_019_110809_lcmc_t2053_sign.jpg</image:loc><image:title>Plaque, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415863/mullard-type-py81-thermionic-valve</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560792/roy-ashton-in-his-studio</loc><lastmod>2026-01-09T15:19:15.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418016/miners-hard-hat</loc><lastmod>2026-01-09T15:19:17.318Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417551/cable-shackle</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415761/j-g-coates-bly-ltd-model-pulse-monitors</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560274/prudence-hyman-as-megaera-in-the-gorgon</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560821/unknown-actress-as-ayesha-in-she</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8689178/mcvitie-weston-valve-collection-osram-gec-valve-type-t3</loc><lastmod>2026-01-09T15:19:17.318Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/335/large_smg00259334.jpg</image:loc><image:title>McVitie Weston valve collection, Osram-GEC valve, type T.3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415860/mullard-type-ef80-thermionic-valve</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560231/david-niven-in-candleshoe</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8689172/mcvitie-weston-valve-collection-mullard-valve-type-tz1-75</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/326/large_smg00259325.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type TZ1-75</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818762/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415772/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417996/oil-safety-lamp-coal-mining</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/302/large_cd0664_056_111004_lcmc_t1496_safety_lamp.jpg</image:loc><image:title>Oil safety lamp, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560599/the-creature-from-frankenstein</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560847/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:16.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432852/tuning-fork</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/106/large_smg00296304.jpg</image:loc><image:title>Tuning fork</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560379/delphi-lawrence-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560598/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418126/notice-for-miners-lamp-station</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/588/large_cd0660_046_110809_lcmc_t1019_sign.jpg</image:loc><image:title>Notice for miners&apos; lamp station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948480/a-lens</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/76/large_smg00452530.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560960/56-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418031/electric-detonators-in-box</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/227/large_cd0675_017_120105_lcmc_t1276_box_for_electric_detanators.jpg</image:loc><image:title>Electric detonators in box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/228/large_cd0675_018_120105_lcmc_t1276_box_of_electric_detanators.jpg</image:loc><image:title>Electric detonators in box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560291/sunday-times-magazine-june-1-1973</loc><lastmod>2026-01-09T15:19:17.242Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560553/megaera-from-the-gorgon</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560259/roy-ashton-applying-make-up-to-edward-de-souza-on-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432791/induction-coil-mounted-with-trembler</loc><lastmod>2026-01-09T15:19:17.318Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/832/large_smg00160552.jpg</image:loc><image:title>Induction coil, mounted, with trembler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031061/early-electric-lamp</loc><lastmod>2026-01-09T15:19:17.353Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/698/large_smg00028757.jpg</image:loc><image:title>Early electric lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948469/an-anastigmat-lens</loc><lastmod>2026-01-09T15:19:17.242Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/81/large_smg00452536.jpg</image:loc><image:title>An Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417992/stalactites-coal-mining-mosley-common-colliery-found-in-the-pump-lodge-of-no1-shaft</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560425/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:17.318Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560446/jacqueline-pearce-in-the-reptile</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560369/publicity-photograph-from-the-mummy</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8945198/symmetrical-doublet-lens</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/20/large_smg00452212.jpg</image:loc><image:title>Symmetrical doublet lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415753/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560975/71-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/458/large_smg00269601.jpg</image:loc><image:title>71 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418086/miners-safety-lamp</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/992/large_cd0659_023_110809_lcmc_t115_safety_lamp.jpg</image:loc><image:title>Miners safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417549/guide-stake</loc><lastmod>2026-01-09T15:19:18.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/658/large_cd0648_002_110315_lcmc_t320_guide_stake.jpg</image:loc><image:title>Guide stake</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432774/intelligence-test</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/379/large_1996_0277_0097.jpg</image:loc><image:title>Intelligence test</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/445/large_smg00156621.jpg</image:loc><image:title>Intelligence test</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560197/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418019/packet-in-which-mbe-item-number-t1264-was-posted-to-salford-mining-museum</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560736/peter-cushing</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415803/bentley-acoustic-corp-thermionic-valve</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432790/colour-discs-for-colour-wheels</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/775/large_smg00159509.jpg</image:loc><image:title>Colour discs for colour wheels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560214/special-effects-creations-by-roy-ashton</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560592/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415788/ferranti-ltd-thermionic-valve</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432883/moulding-plane-quirk-ovolo</loc><lastmod>2026-01-09T15:19:18.782Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/911/large_smg00066108.jpg</image:loc><image:title>Moulding plane: quirk ovolo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433326/saddlers-old-style-round-knife</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/81/large_smg00066646.jpg</image:loc><image:title>Saddler&apos;s old style round knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560720/scrap-book-of-designs-for-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433440/moulding-plane</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/998/large_smg00066465.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560633/reference-photograph-of-a-wolf</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560384/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417483/emergency-arrangements-notice</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/17/large_cd0659_052_110809_lcmc_t455_notice.jpg</image:loc><image:title>Emergency arrangements notice.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560264/oliver-reed-on-set-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560445/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415767/rca-thermionic-valve</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560768/plastercast-model-head-kiwi-kingston</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560701/notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:19.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433337/saddlers-hand-iron-palm-plain</loc><lastmod>2026-01-09T15:19:18.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/103/large_smg00066668.jpg</image:loc><image:title>Saddler&apos;s hand iron (palm), plain.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415852/mullard-type-ecl80-thermionic-valve</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417452/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:18.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/769/large_cd0716_063_131216_2013_17__72_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560307/the-stranglers-of-bombay</loc><lastmod>2026-01-09T15:19:19.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948533/double-achromatic-projection-lens</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/204/large_smg00452558.jpg</image:loc><image:title>Double Achromatic Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417444/abc-wax-fabric-sample-dice-design</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/739/large_cd0717_054_131216_2013_17_65_fabric_samples.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;Dice&apos; design</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/740/large_cd0717_055_131216_2013_17_65_fabric_samples.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;Dice&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560718/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415816/ferranti-ltd-type-cv124-thermionic-valve</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560983/79-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560221/photograph-of-roy-ashton-in-his-make-up-studio</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560811/ink-drawing-of-leon-in-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415764/ferranti-desk-calendar</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560313/hand-of-the-phantom-in-the-phantom-of-the-opera</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417479/shaft-signals-sign</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/20/large_cd0659_056_110809_lcmc_t465_sign.jpg</image:loc><image:title>Shaft signals sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417552/wire-rope-sample</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417546/detonator-storage-box</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/239/large_cd0663_064_111004_lcmc_t324_leather_box.jpg</image:loc><image:title>detonator storage box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co164237/surgical-probe</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560910/6-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:19.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818730/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031068/lamp</loc><lastmod>2026-01-09T15:19:20.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/141/large_smg00032434.jpg</image:loc><image:title>Lamp.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433323/saddlers-cranked-channelling-iron</loc><lastmod>2026-01-09T15:19:19.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/86/large_smg00066651.jpg</image:loc><image:title>Saddler&apos;s cranked channelling iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560311/anthony-dawson-in-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431373/split-lens-eyepiece-micrometer</loc><lastmod>2026-01-09T15:19:20.287Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/332/90/large_smg00030532.jpg</image:loc><image:title>Split-lens eyepiece micrometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415858/mullard-type-ef80-thermionic-valve</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560362/sketch-of-peter-cushing</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8428228/section-of-an-immense-berg</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560704/conept-notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560427/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417974/conveyor-roller</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560935/31-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415797/gec-thermionic-valve</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560765/plaster-cast-for-scars</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417481/riding-in-timber-cage-sign</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/18/large_cd0659_054_110809_lcmc_t459_sign.jpg</image:loc><image:title>Riding in timber cage sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433518/routing-plane-sometimes-called-a-grannys-tooth</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/1/large_smg00066468.jpg</image:loc><image:title>Routing plane sometimes called a &apos;granny&apos;s tooth&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417973/wolf-electric-safety-lamp</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/2/large_cd0659_034_110809_lcmc_t165_wolf_electric_safety_lamp__c778_.jpg</image:loc><image:title>Wolf electric safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560389/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950150/a-double-achromatic-cylinder-lens</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/673/large_smg00452596.jpg</image:loc><image:title>A Double Achromatic Cylinder Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560808/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433520/chamfer-plane-with-adjustable-fence</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/2/large_smg00066469.jpg</image:loc><image:title>Chamfer plane with adjustable fence</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560383/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417744/briefcase-used-by-secretary-of-lancashire-and-cheshire-miners-convalescent-home</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/605/large_cd0660_063_110809_lcmc_t1403_briefcase.jpg</image:loc><image:title>Briefcase, used by secretary of Lancashire and Cheshire miner&apos;s convalescent home .</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8944273/patent-portrait-lens</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/768/large_smg00452272.jpg</image:loc><image:title>Patent Portrait Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415775/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417455/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/772/large_cd0716_066_131216_2013_17__75_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417913/ringrose-firedamp-alarm-cutaway-battery</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/246/large_cd0663_071_111004_lcmc_t346_ringrose_firedamp_alarm_exide_battery.jpg</image:loc><image:title>Ringrose firedamp alarm cutaway battery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560396/sketches-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560615/make-up-reference-print-from-the-stranglers-of-bombay</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8817517/keyboard</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/898/large_smg00722099__0001_.jpg</image:loc><image:title>Keyboard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417924/oil-safety-lamp-coal-mining</loc><lastmod>2026-01-09T15:19:21.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/232/large_cd0663_057_111004_lcmc_t261_miners_safety_lamp.jpg</image:loc><image:title>Oil safety lamp, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417443/abc-wax-fabric-sample-sweet-pea-design</loc><lastmod>2026-01-09T15:19:21.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/738/large_cd0717_053_131216_2013_17_64_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;Sweet Pea&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418057/handling-materials-through-shafts-sign</loc><lastmod>2026-01-09T15:19:21.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/248/large_cd0628_007_100730_lcmc_t12_10_2000_112_handling_materials_through_shafts_sign.jpg</image:loc><image:title>&apos;Handling materials through shafts&apos; sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431366/clockwork-drive-for-refracting-telescope-of-59-inch-aperture</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/790/large_1929_0949__0008_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/784/large_1929_0949__0002_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/785/large_1929_0949__0003_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/789/large_1929_0949__0007_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/788/large_1929_0949__0006_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/786/large_1929_0949__0004_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/787/large_1929_0949__0005_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/783/large_1929_0949__0001_.jpg</image:loc><image:title>Clockwork drive, for refracting telescope of 5.9-inch aperture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417898/cable-sample</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/532/large_cd0646_043_110315_lcmc_t294_cable_sample.jpg</image:loc><image:title>cable sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560325/paul-massie-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560452/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560946/42-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560833/typewritten-letter</loc><lastmod>2026-01-09T15:19:21.880Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560568/sascha-in-the-gorgon</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417510/english-electric-automatic-firedamp-detector</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/565/large_smg00245625.jpg</image:loc><image:title>English Electric automatic firedamp detector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818752/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560397/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415848/mullard-type-ecl80-thermionic-valve</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560874/peter-cushing-as-a-wild-west-character</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418056/sign-showing-standard-wage-deductions-from-agecroft-colliery</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/249/large_cd0628_008_100730_lcmc_t12_10_2000_116_agecroft_colliery_sign.jpg</image:loc><image:title>Sign showing standard wage deductions, from Agecroft Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433006/moulding-plane-flute-moulding-type-with-38-convex-blade</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/932/large_smg00066129.jpg</image:loc><image:title>Moulding plane :flute moulding type with  3/8&quot; convex blade</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560644/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32493/box-of-lead-blocks</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417450/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/767/large_cd0716_061_131216_2013_17__70_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32489/main-frame-assembly</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560554/reference-photograph-of-an-alsation-dog</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950154/newton-and-co-lens</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/223/large_smg00452582.jpg</image:loc><image:title>Newton &amp; Co Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432765/intervalometer-type-tu1-with-instruction-sheet</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/707/large_smg00158983.jpg</image:loc><image:title>Intervalometer, type TU1, with instruction sheet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560630/reference-photograh-for-the-stranglers-of-bombay</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818725/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560401/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560657/paul-massie-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560243/oliver-reed-and-an-unidentified-actress</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560376/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168284/needle-holder-with-trigger-release</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/867/large_smg00094552.jpg</image:loc><image:title>Needle holder with trigger release</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560688/unidentified-actor</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560202/ian-hendry-wearing-a-special-effects-mask</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432849/puzzle-wooden-peg-in-circuit</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/780/large_smg00159515.jpg</image:loc><image:title>Puzzle, wooden peg in circuit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560193/make-up-kit</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415833/mullard-type-pl30-thermionic-valve</loc><lastmod>2026-01-09T15:19:23.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432544/moulding-plane-quirk-ovolo-38</loc><lastmod>2026-01-09T15:19:22.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/908/large_smg00066105.jpg</image:loc><image:title>Moulding plane: quirk ovolo, 3/8&quot;.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560694/notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:22.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433429/moulding-plane-quirk-ovolo-formconcave-blade</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/995/large_smg00066462.jpg</image:loc><image:title>Moulding plane: quirk ovolo form(concave blade)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560487/roy-ashton-wearing-a-mask-from-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433325/saddlers-draw-needle-awl</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/85/large_smg00066650.jpg</image:loc><image:title>Saddler&apos;s draw needle (awl).</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950172/aldis-triplet-lens</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/675/large_smg00452598.jpg</image:loc><image:title>Aldis Triplet Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560252/photograph-of-h-r-giger-illustration</loc><lastmod>2026-01-09T15:19:23.159Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818736/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560880/pencil-drawings-of-3-faces-by-roy-ashton</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560757/handwritten-note-acknowledging-receipt-of-roy-ashtons-fees-totalling-replacement-character436100</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168286/packet-of-mersutures-suture-contained-in-3-glass-tubes</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/365/161/large_smg00114331.jpg</image:loc><image:title>Packet of &quot;Mersutures&quot; suture contained in 3 glass tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418129/sign-electricity-in-mines-notice</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/586/large_cd0660_044_110809_lcmc_t1015_sign.jpg</image:loc><image:title>Sign &quot;Electricity in mines notice&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433905/saddlers-pricker-punch-1-12-no10</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415777/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560366/sketch-of-ayesha-from-she</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818729/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818755/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433219/34-slot-punch</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/117/large_smg00066682.jpg</image:loc><image:title>3/4&quot; slot punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948452/a-lens</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/8/large_smg00452192.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560956/52-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8694242/three-framed-photographs-of-symingtons-original-marine-steam-engine</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560802/envelope-with-photographs</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560514/roy-ashton-in-his-studio</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560670/skeletal-framework-for-the-mummy</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560648/the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560691/unidentified-actor</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818749/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560466/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560969/65-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/463/large_smg00269607.jpg</image:loc><image:title>65 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415838/mullard-type-pcf84-thermionic-valve</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560756/beige-mannequin-head</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031060/old-swan-lamp-flat-filaments-early-bayonet-cap</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/590/large_smg00253266.jpg</image:loc><image:title>Old Swan lamp; flat filaments; early bayonet cap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560618/peter-cushing-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:24.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560281/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:24.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432798/tachistoscope-2-field</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/987/large_smg00161920.jpg</image:loc><image:title>Tachistoscope, 2-field</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560390/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560232/an-alsation-dog</loc><lastmod>2026-01-09T15:19:24.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434082/saddlers-edging-and-holing-bone</loc><lastmod>2026-01-09T15:19:25.552Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/144/large_smg00066710.jpg</image:loc><image:title>Saddler&apos;s edging and holing bone.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560316/masks-for-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:24.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418079/model-coal-tub</loc><lastmod>2026-01-09T15:19:25.552Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/225/large_cd0675_015_120105_lcmc_t1164_model_coal_tub.jpg</image:loc><image:title>Model coal tub</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560806/richard-attenborough-in-sea-of-sand</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415826/ferranti-ltd-type-ecc81-thermionic-valve</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415870/mullard-type-ecc82-thermionic-valve</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560861/frederick-march-in-dr-jeckyll-and-mr-hyde</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415783/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950160/cooke-butcher-anastigmat-lens</loc><lastmod>2026-01-09T15:19:25.552Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/672/large_smg00452581.jpg</image:loc><image:title>Cooke-Butcher Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8947848/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:19:25.552Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/202/smg00452523.jpg</image:loc><image:title>Brass Mounted Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432811/jigsaw-puzzle-with-twelve-6-sided-star-pieces</loc><lastmod>2026-01-09T15:19:26.234Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/433/large_smg00156608.jpg</image:loc><image:title>Jigsaw puzzle with twelve 6-sided star pieces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434080/saddlers-steel-girth-and-saddle-pommel</loc><lastmod>2026-01-09T15:19:25.552Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/146/large_smg00066712.jpg</image:loc><image:title>Saddler&apos;s steel girth and saddle pommel.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818737/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560258/ben-aris-as-a-zombie-in-the-plague-of-the-zombies</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418115/electric-lamp-charger</loc><lastmod>2026-01-09T15:19:25.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418013/gas-cap-demonstrator</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/606/large_cd0660_064_110809_lcmc_t1421_gas_cap_demonstrator_jh_naylor_ltd.jpg</image:loc><image:title>Gas cap demonstrator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560475/peter-cushing-in-tales-from-the-crypt</loc><lastmod>2026-01-09T15:19:26.234Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560551/reference-photograph-of-an-alsation-dog</loc><lastmod>2026-01-09T15:19:26.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950149/a-lens</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/231/large_smg00452595.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418055/electric-lamp-coal-mining</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/212/large_cd0663_037_111004_lcmc_t12_electric_mine_lamp.jpg</image:loc><image:title>Electric lamp, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560629/delphi-lawrence-and-hazel-court-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560380/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418137/blacksmiths-tools</loc><lastmod>2026-01-09T15:19:25.947Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/580/large_cd0647_023_110315_lcmc_t0959_3_swageing_hammer1.jpg</image:loc><image:title>Blacksmith&apos;s tools</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/579/large_cd0647_022_110315_lcmc_t0959_3_swageing_hammer.jpg</image:loc><image:title>Blacksmith&apos;s tools</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560486/plastercast-head-of-professor-heitz-from-the-gorgon</loc><lastmod>2026-01-09T15:19:26.234Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434354/saddle-makers-press-made-from-lignum-vitae</loc><lastmod>2026-01-09T15:19:26.234Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/132/large_smg00066698.jpg</image:loc><image:title>Saddle maker&apos;s press made from lignum vitae.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417969/candle-holder</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/3/large_cd0659_035_110809_lcmc_t171_candle_holder.jpg</image:loc><image:title>Candle holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432784/cumulative-recorder-writing-device-by-ralph-gerbrands-co</loc><lastmod>2026-01-09T15:19:27.300Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/794/large_smg00160227.jpg</image:loc><image:title>Cumulative recorder writing device by Ralph Gerbrands Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co166056/skull-elevators-from-trephination-set</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/283/462/large_a121486_0001__0001_.jpg</image:loc><image:title>Skull elevators from trephination set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418074/mining-hammer-head</loc><lastmod>2026-01-09T15:19:27.300Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/338/large_cd0626_019_100723_lcmc_t12_10_200_43_hammer_head.jpg</image:loc><image:title>Mining hammer head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417504/model-ventilation-fan</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8559056/bottle-of-syrup-of-poppies-with-trace-residues-remaining</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432895/moulding-plane-reverse-ogee-type</loc><lastmod>2026-01-09T15:19:27.300Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/919/large_smg00066116.jpg</image:loc><image:title>Moulding plane :reverse ogee type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818720/green-metal-case</loc><lastmod>2026-01-09T15:19:26.902Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433181/saddlers-78-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/76/large_smg00066641.jpg</image:loc><image:title>Saddler&apos;s 7/8&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32494/box-of-lead-blocks</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031070/one-of-two-sample-lamps</loc><lastmod>2026-01-09T15:19:26.902Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/591/large_smg00253267.jpg</image:loc><image:title>One of two sample lamps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8429390/connector-box</loc><lastmod>2026-01-09T15:19:26.861Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/545/large_cd0506_013_090219_1996_10_1425_ferranti_19c.jpg</image:loc><image:title>connector box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8945231/dallmayer-anastigmat-f8-lens</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/17/large_smg00452208.jpg</image:loc><image:title>Dallmayer Anastigmat F.8 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560403/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:27.300Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560642/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560782/ink</loc><lastmod>2026-01-09T15:19:27.300Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co36148/low-power-a-unit-from-50kw-mf-transmitter</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560679/masks-for-the-phantom-of-the-opera</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560247/man-to-wolf-transformation</loc><lastmod>2026-01-09T15:19:27.468Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8557033/marconi-mk-vii-operating-control-panel</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560435/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415758/rogers-thermionic-valve</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560593/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560535/professor-heitz-in-the-gorgon</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948512/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/660/large_smg00452540.jpg</image:loc><image:title>Brass Mounted Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8561290/case-for-zeiss-ikon-zeitlupe-high-speed-camera-lens-unti</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418030/long-handle-shovel</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418054/wolf-lamp</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/995/large_cd0659_026_110809_lcmc_t120_wolf_lamp.jpg</image:loc><image:title>Wolf lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560609/peter-cushing-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415823/ferranti-ltd-type-5y3gt-thermionic-valve</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8561302/arriflex-dufort-pan-and-tilt-tripod-head</loc><lastmod>2026-01-09T15:19:28.610Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948514/symmetrical-lens</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/661/large_smg00452541.jpg</image:loc><image:title>Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560463/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418671/bottled-of-crude-mauveine-acetate</loc><lastmod>2026-01-09T15:19:28.181Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/976/large_cd0191_008_051129_l1999_2_fitzpatrick_dye_sample.jpg</image:loc><image:title>Bottled of crude mauveine acetate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/230/217/large_cd0738_043_160329_yl1999_2_8_bottle_stopper.jpg</image:loc><image:title>Bottled of crude mauveine acetate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/230/216/large_cd0738_042_160329_yl1999_2_8_bottle_stopper.jpg</image:loc><image:title>Bottled of crude mauveine acetate</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/230/215/large_cd0738_041_160329_yl1999_2_8_bottle_stopper.jpg</image:loc><image:title>Bottled of crude mauveine acetate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417922/esgee-self-rescuer</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/363/large_cd0674_053_120105_lcmc_t266_self_rescuer.jpg</image:loc><image:title>Esgee Self-Rescuer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560643/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:28.610Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co166059/rugine-part-of-trephination-set</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/283/467/large_a121486_0004__0001_.jpg</image:loc><image:title>Rugine, part of trephination set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560741/christopher-lee-as-a-wild-west-character</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418105/leather-coal-mining-harness</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/219/large_cd0675_009_120105_lcmc_t1121_leather_harness.jpg</image:loc><image:title>Leather coal mining harness</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417977/sign-treatment-of-electric-shock</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/610/large_cd0660_068_110809_lcmc_t1617_sign.jpg</image:loc><image:title>Sign: &apos;Treatment of electric shock&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560387/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:28.513Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433311/saddlers-large-sewing-awl-with-boxwood-handle</loc><lastmod>2026-01-09T15:19:28.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/84/large_smg00066649.jpg</image:loc><image:title>Saddler&apos;s large sewing awl with boxwood handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417982/over-sized-metal-die</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/0/large_cd0659_032_110809_lcmc_t159_big_metal_yellow_dice.jpg</image:loc><image:title>Over-sized metal die</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948467/a-lens</loc><lastmod>2026-01-09T15:19:28.610Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/77/large_smg00452532.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415780/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432857/reading-instrument-rolls-unused</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/784/large_smg00159359.jpg</image:loc><image:title>Reading instrument rolls, unused</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432816/mare-and-foal-picture-completion-test</loc><lastmod>2026-01-09T15:19:28.610Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/428/large_smg00156603.jpg</image:loc><image:title>&apos;Mare and Foal&apos; picture completion test</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560277/dinsdale-landen-as-peter-in-rasputin-the-mad-monk</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560923/19-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:28.610Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560246/plaster-cast-head-from-the-gorgon</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432858/pointlite-concave-brass-mirror</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/274/large_smg00097682.jpg</image:loc><image:title>&apos;Pointlite&apos; concave brass mirror</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560348/ayesha-from-she</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560968/64-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/473/large_smg00269618.jpg</image:loc><image:title>64 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560886/sketch-of-ayesha-from-she</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560632/andree-melly-in-the-brides-of-dracula</loc><lastmod>2026-01-09T15:19:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8690102/mcvitie-weston-valve-collection-stc-valve-type-3h150j</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/578/large_smg00263728.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 3H/150J</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941133/dallmeyer-projection-lens</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/32/large_smg00452254.jpg</image:loc><image:title>Dallmeyer Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560450/jacqueline-pearce-in-the-reptile</loc><lastmod>2026-01-09T15:19:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560727/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432941/electrical-circuit-calibrated-with-eight-connector-keys</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/843/large_smg00160603.jpg</image:loc><image:title>Electrical circuit ,calibrated, with eight connector keys</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415801/group-of-two-osram-thermionic-valves</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560279/milton-reid-as-the-guardian-in-the-terror-of-the-tongs</loc><lastmod>2026-01-09T15:19:29.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560501/roy-ashton-at-work-in-his-studio</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433184/saddlers-1-38-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:29.656Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/73/large_smg00066638.jpg</image:loc><image:title>Saddler&apos;s 1 3/8&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433200/saddlers-1-12-curved-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/68/large_smg00066632.jpg</image:loc><image:title>Saddler&apos;s 1 1/2&quot; curved wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560864/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560857/human-and-dog-faces</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168282/double-ear-scoop</loc><lastmod>2026-01-09T15:19:30.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/547/large_smg00283341.jpg</image:loc><image:title>Double ear scoop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418053/drill-bit</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/345/large_cd0626_026_100723_lcmc_t121_1_drill_bit.jpg</image:loc><image:title>Drill bit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560354/the-mummy</loc><lastmod>2026-01-09T15:19:30.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417477/sign-adam-masonand-sons-ltd-montcliffe-mine</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/271/large_cd0628_030_100805_lcmc_t474_adam_mason___son_sign.jpg</image:loc><image:title>Sign, &apos;Adam Mason&amp; Sons Ltd Montcliffe mine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434400/saddle-makers-round-file</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/120/large_smg00066685.jpg</image:loc><image:title>Saddle maker&apos;s round file.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433285/saddlers-short-sewing-awl</loc><lastmod>2026-01-09T15:19:30.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/87/large_smg00066652.jpg</image:loc><image:title>Saddler&apos;s short sewing awl.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8688920/morphine-sulphate-compressed-tablets-in-bottle</loc><lastmod>2026-01-09T15:19:30.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417548/sign-incoming-feeder-earth</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/8/large_cd0659_040_110809_lcmc_t321_sign.jpg</image:loc><image:title>Sign - &apos;Incoming feeder earth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418123/coal-mining-sign-fencing-of-machinery</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/590/large_cd0660_048_110809_lcmc_t1022_sign.jpg</image:loc><image:title>Coal mining sign: &quot;Fencing of Machinery&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560357/publicity-photograph-of-ursula-andress</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560284/front-paws-of-a-wolf</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418099/atmosphere-sampling-bulb</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/280/large_cd0664_034_111004_lcmc_t1125_2_atmosphere_sampling_bulb.jpg</image:loc><image:title>Atmosphere sampling bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433336/saddlers-hand-iron-palm-with-needle-pull</loc><lastmod>2026-01-09T15:19:30.807Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/102/large_smg00066667.jpg</image:loc><image:title>Saddler&apos;s hand iron (palm) with needle pull.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948482/optimus-lens</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/79/large_smg00452534.jpg</image:loc><image:title>&quot;OPTIMUS&quot; Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432764/ophthalmic-instruments-in-wooden-case-containing-a-perimeter</loc><lastmod>2026-01-09T15:19:30.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/767/large_smg00159432.jpg</image:loc><image:title>Ophthalmic instruments in wooden case containing a perimeter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417971/davies-and-darby-anenometer</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/303/large_cd0629_057_100813_lcmc_t1664_anemoter_davies___darby.jpg</image:loc><image:title>Davies &amp; Darby anenometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415773/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560818/reference-photograph-of-ursula-andress</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560606/plaster-cast-head-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:30.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560280/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:32.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560503/reference-photograph-of-an-unidentified-actor</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560374/delphi-lawrence-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:32.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417535/haulage-part</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950124/ross-xpres-lens</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/214/large_smg00452571.jpg</image:loc><image:title>Ross Xpres Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560336/reference-images-for-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432935/decade-resistance-box</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/847/large_smg00160833.jpg</image:loc><image:title>Decade resistance box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560697/notes-for-the-mummy</loc><lastmod>2026-01-09T15:19:32.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560730/peter-cushing-as-a-tramp</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560323/jacqueline-pearce-in-the-plague-of-the-zombies</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418081/miners-safety-lamp</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/993/large_cd0659_024_110809_lcmc_t116__was_c779__safety_lamp.jpg</image:loc><image:title>Miners safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560770/roy-ashtons-life-mask</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co166397/set-of-three-kidney-dishes</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/714/large_smg00167500.jpg</image:loc><image:title>Set of three kidney dishes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560619/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:31.940Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560572/plastercast-head-of-sascha-from-the-gorgon</loc><lastmod>2026-01-09T15:19:32.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co164238/surgical-clamp</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560850/phantoms-son-holding-the-phantoms-mask</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433008/moulding-plane-shallow-flute-moulding-type-size-no-5-with-38-convex-blade</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/302/374/large_smg00066130.jpg</image:loc><image:title>Moulding plane: shallow flute moulding type size No 5 with  3/8&quot; convex blade</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560400/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8561053/hyspeed-camera-made-for-rolls-royce</loc><lastmod>2026-01-09T15:19:32.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560455/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:31.236Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417562/mounted-peice-of-coal</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560227/david-niven-in-candleshoe</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948520/dallmeyer-portrait-lens</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/662/large_smg00452542.jpg</image:loc><image:title>Dallmeyer Portrait Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941131/cpgoerz-double-anastigmat-type-b-series-1b-lens</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/631/large_smg00452235.jpg</image:loc><image:title>C.P.Goerz Double Anastigmat type &apos;B&apos; series 1b lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418076/battery-lantern-stamped-c12</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/994/large_cd0659_025_110809_lcmc_t118_battery_lantern__was_c96__stamped_c12.jpg</image:loc><image:title>Battery lantern stamped &apos;C12&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560973/69-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/465/large_smg00269609.jpg</image:loc><image:title>69 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560251/david-niven-in-candleshoe</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560777/nostril-enlargers</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/459/large_2000_5000_0563__0001_.jpg</image:loc><image:title>Nostril enlargers</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/460/large_2000_5000_0563__0002_.jpg</image:loc><image:title>Nostril enlargers</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/462/large_2000_5000_0563__0003_.jpg</image:loc><image:title>Nostril enlargers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560637/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433031/moulding-plane-plain-shallow-bead-type</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/936/large_smg00066135.jpg</image:loc><image:title>Moulding plane: plain shallow bead  type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560603/milton-reid-in-captain-clegg</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432793/glass-label-giving-subjects-instructions-for-discrimination-of-weights</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031066/lamp-swan-patent-fitted-with-holder</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/558/large_smg00230033.jpg</image:loc><image:title>Lamp, Swan patent,  fitted with holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432943/decade-box-4-pole-marked-thousands-hundreds-tens-units</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/845/large_smg00160831.jpg</image:loc><image:title>Decade box, 4 -pole, marked Thousands, Hundreds, Tens, Units&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415854/mullard-type-ecl80-thermionic-valve</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415759/aq-model-ark-mark-i-air-blast-gyroscope</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417464/coal-burster-from-bold-collier</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433180/saddlers-1-14-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/443/large_smg00066637.jpg</image:loc><image:title>Saddler&apos;s 1 1/4&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434092/saddlers-fine-honing-stone</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/134/large_smg00066700.jpg</image:loc><image:title>Saddler&apos;s fine honing stone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8555582/photometer</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560810/roy-ashtons-handwritten-notes</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168717/nested-set-of-trocars-and-cannulae</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/345/325/large_smg00240577.jpg</image:loc><image:title>Nested set of trocars and cannulae</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560523/sketch-of-the-transformation-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560885/empty-layout-pad-used-by-roy-ashton</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560816/publicity-photograph-of-christopher-lee</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418078/conveyor-belt-cutter</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418045/coal-mining-clamp</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415862/mullard-type-ey86-thermionic-valve</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818773/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560458/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560748/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:33.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434353/saddle-makers-18-rule</loc><lastmod>2026-01-09T15:19:33.562Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/129/large_smg00066695.jpg</image:loc><image:title>Saddle maker&apos;s 18&quot; rule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418125/metal-sign-miners-lamp-station</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031072/lamp</loc><lastmod>2026-01-09T15:19:33.538Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/699/large_smg00028770.jpg</image:loc><image:title>Lamp.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560213/the-phantom-and-his-son-by-roy-ashton</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560457/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:33.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418073/sign-showing-standard-wage-deductions-from-bickershaw-colliery</loc><lastmod>2026-01-09T15:19:34.686Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433334/saddlers-single-piece-round-knife</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/107/large_smg00066672.jpg</image:loc><image:title>Saddler&apos;s single piece round knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560587/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:34.686Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560889/megaera-from-the-gorgon</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560953/49-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8428244/wrist-radio</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/546/large_cd0506_016_090219_1996_10_1428_ferranti_19c_watch.jpg</image:loc><image:title>Wrist Radio</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/672/large_smg00244365.jpg</image:loc><image:title>Wrist Radio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417480/sign-first-aid</loc><lastmod>2026-01-09T15:19:34.686Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/19/large_cd0659_055_110809_lcmc_t461_first_aid_sign.jpg</image:loc><image:title>Sign - &apos;First Aid&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433283/saddlers-straight-shank-adjustable-breaze</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/110/large_smg00066675.jpg</image:loc><image:title>Saddler&apos;s straight shank adjustable breaze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418122/sign-treatment-of-electric-shock</loc><lastmod>2026-01-09T15:19:35.190Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/591/large_cd0660_049_110809_lcmc_t1023_sign.jpg</image:loc><image:title>Sign, &apos;Treatment of electric shock…&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418027/drill-bit</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/250/large_cd0628_009_100730_lcmc_t13_10_2000_9_drill.jpg</image:loc><image:title>Drill bit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560562/richard-pasco-in-the-gorgon</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560966/62-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/472/large_smg00269617.jpg</image:loc><image:title>62 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560647/peter-cushing-in-tales-from-the-crypt</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560424/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:34.953Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560605/mask-created-for-paranoiac</loc><lastmod>2026-01-09T15:19:34.686Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560581/masks-from-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168270/nested-set-of-4-trocars-and-cannulae-in-plated-metal-case</loc><lastmod>2026-01-09T15:19:35.190Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433286/saddlers-medium-sewing-awl</loc><lastmod>2026-01-09T15:19:34.686Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/88/large_smg00066653.jpg</image:loc><image:title>Saddler&apos;s medium sewing awl.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560829/reference-photographs-for-stolen-face</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433406/moulding-plane</loc><lastmod>2026-01-09T15:19:35.190Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/943/large_smg00066142.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560832/roy-ashtons-contract-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:34.841Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431372/eyepiece-double-image-spherical-crystal-micrometer</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432797/chronotron-model-25e-by-electronic-instruments-ltd-england-1960-1970</loc><lastmod>2026-01-09T15:19:35.190Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/983/large_smg00161916.jpg</image:loc><image:title>Chronotron, model 25E, by Electronic Instruments Ltd., England, 1960-1970</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415844/mullard-type-ecc82-thermionic-valve</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418144/battery-lamp-nh10a-c1950s-miners-electric-lamp</loc><lastmod>2026-01-09T15:19:35.190Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/25/large_cd0659_061_110809_lcmc_t0531_battery_lamp_nh10a_c1950s.jpg</image:loc><image:title>Battery lamp NH10A c.1950s. Miner&apos;s electric lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560678/letter-of-notice-to-roy-ashton-from-anthony-nelson-keys</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417457/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/774/large_cd0716_068_131216_2013_17__77_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560626/reference-photograph-from-the-stranglers-of-bombay</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415790/ferranti-ltd-thermionic-valve</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948523/ross-doublet-portrait-lens</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/669/large_smg00452553.jpg</image:loc><image:title>Ross Doublet Portrait Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560907/3-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32496/box-of-lead-blocks</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560509/roy-ashton-at-gaumont-british-studios</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560799/envelope-with-photographs</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560218/a-wolfs-paw</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417567/sign-coal-mining</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/614/large_cd0660_072_110809_lcmc_t1714_sign.jpg</image:loc><image:title>Sign, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431371/selection-of-eyepieces-and-other-accessories-in-fitted-mahogany-case-for-smyth-refracting-telescope</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/312/6/large_smg00031416.jpg</image:loc><image:title>Selection of eyepieces and other accessories in fitted mahogany case for (Smyth) refracting telescope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417558/drill-bit</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560853/handwritten-envelope-addressed-by-phil-leakey-to-his-son</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560566/paul-massie-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418003/dumpy-level-gauge-with-wooden</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/608/large_cd0660_066_110809_lcmc_t1448_dumpy_level_gauge___box.jpg</image:loc><image:title>Dumpy level gauge with wooden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560747/peter-cushing-as-a-wild-west-character</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434079/saddlers-small-steel-straight-edge</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/148/large_smg00066714.jpg</image:loc><image:title>Saddler&apos;s small steel straight edge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418065/coal-splitting-wedge</loc><lastmod>2026-01-09T15:19:36.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/202/341/large_cd0626_022_100723_lcmc_t12_10_2000_40_coal_splitting_wedge.jpg</image:loc><image:title>Coal splitting wedge.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560812/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:36.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941136/dallmeyer-projection-lens</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/34/large_smg00452256.jpg</image:loc><image:title>Dallmeyer Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8694233/original-lightbulbs-for-model-of-a-hospital-promoting-the-king-edwards-hospital-fund</loc><lastmod>2026-01-09T15:19:36.827Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560442/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560344/peter-cushing-filming-the-revenge-of-frankenstein</loc><lastmod>2026-01-09T15:19:36.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415806/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:37.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432844/colour-dictionary-london-england-1934</loc><lastmod>2026-01-09T15:19:36.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/6/932/large_1996_0277_0137__0001_.jpg</image:loc><image:title>Colour dictionary, London, England, 1934</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/6/933/large_1996_0277_0137__0002_.jpg</image:loc><image:title>Colour dictionary, London, England, 1934</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/769/large_smg00159502.jpg</image:loc><image:title>Colour dictionary, London, England, 1934</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031079/miniature-lamp-for-decorative-purpose</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/439/700/large_smg00253522.jpg</image:loc><image:title>Miniature lamp for decorative purpose</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560308/isobel-black-in-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:37.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co30050/gloster-e2839-handling-equipment</loc><lastmod>2026-01-09T15:19:37.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432900/wooden-pattern-compass-plane-with-adjustable-toe-stop</loc><lastmod>2026-01-09T15:19:37.568Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/921/large_smg00066118.jpg</image:loc><image:title>Wooden pattern compass plane with adjustable toe stop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560268/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:37.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418113/pit-prop-key</loc><lastmod>2026-01-09T15:19:37.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418064/coal-wedge</loc><lastmod>2026-01-09T15:19:36.827Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/639/large_cd0647_055_110315_lcmc_t12_10_2000_42_coal_wedge.jpg</image:loc><image:title>Coal wedge.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560676/concept-sketch-for-leon-in-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:36.827Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415847/mullard-type-ecl80-thermionic-valve</loc><lastmod>2026-01-09T15:19:37.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432912/moulding-plane</loc><lastmod>2026-01-09T15:19:37.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/923/large_smg00066120.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418017/set-of-6-safety-lamp-mantles</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8030309/lens-from-kodak-v515drawer-2-lighting-equipment</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168273/case-possibly-used-for-nested-set-of-trocars</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/351/527/large_smg00240047.jpg</image:loc><image:title>Case, possibly used for nested set of trocars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415815/ferranti-ltd-type-cv124-thermionic-valve</loc><lastmod>2026-01-09T15:19:37.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560870/appendix-to-roy-ashtons-curriculum-vitae</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560760/plaster-cast-of-christopher-lees-head</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/862/large_2000_5000_0546__0004_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/859/large_2000_5000_0546__0001_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/860/large_2000_5000_0546__0003_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/865/large_2000_5000_0546__0006_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/863/large_2000_5000_0546__0005_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/861/large_2000_5000_0546__0002_.jpg</image:loc><image:title>Plaster cast of Christopher Lee&apos;s head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433188/saddlers-1-12-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/70/large_smg00066634.jpg</image:loc><image:title>Saddler&apos;s 1 1/2&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432795/twelve-cartridge-cases-by-chas-hellis-and-sons</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/251/23/large_1996_0277_0132__0001_.jpg</image:loc><image:title>Twelve cartridge cases by Chas. Hellis &amp; Sons</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417539/miners-electric-cap-lamp-and-battery</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/292/large_cd0664_046_111004_lcmc_t1261_lamp___battery.jpg</image:loc><image:title>Miner&apos;s electric cap lamp and battery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560265/ayesha-from-she</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948466/a-pantoplanat-lens</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/78/large_smg00452533.jpg</image:loc><image:title>A &quot;PantoPlanat&quot; Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418133/miners-helmet</loc><lastmod>2026-01-09T15:19:37.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/584/large_cd0660_042_110809_lcmc_t1004_fibrous_hard_hats.jpg</image:loc><image:title>miner&apos;s helmet</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/583/large_cd0660_041_110809_lcmc_t1004_fibrous_hard_hat.jpg</image:loc><image:title>miner&apos;s helmet</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/236/large_cd0620_012_100513_t1004_miners_helmet.jpg</image:loc><image:title>miner&apos;s helmet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560543/publicity-photograph-of-peter-cushing</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8950147/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/218/large_smg00452575.jpg</image:loc><image:title>Brass Mounted Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560382/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560520/sketch-of-peter-cushing-as-a-tramp</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415821/ferranti-ltd-type-cv124-thermionic-valve</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415787/ferranti-ltd-thermionic-valve</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560371/kiwi-kingston-as-the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418823/alternator-made-by-siemens-and-halske-ag</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/249/192/large_cd0078_018_050127_y1996_10_8648_siemens_alternator.jpg</image:loc><image:title>Alternator made by Siemens and Halske AG</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/906/large_smg00216448.jpg</image:loc><image:title>Alternator made by Siemens and Halske AG</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560721/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8688925/monoject-ampoule-syringe-of-morphine-hydrochloride</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560471/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433275/saddlers-adjustable-racerancient-style</loc><lastmod>2026-01-09T15:19:38.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/90/large_smg00066655.jpg</image:loc><image:title>Saddler&apos;s adjustable racer,ancient style.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433264/saddlers-single-crease-heavy</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/94/large_smg00066659.jpg</image:loc><image:title>Saddler&apos;s single crease, heavy.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432938/decade-resistance-box-type-a-6-d-hundreds</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/850/large_smg00160836.jpg</image:loc><image:title>Decade resistance box, Type A-6-D &apos;Hundreds&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432937/decade-resistance-box-type-a-6-c-tens</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/849/large_smg00160835.jpg</image:loc><image:title>Decade resistance box Type A-6-C &apos;Tens&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8947837/brass-mounted-lens</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/199/large_smg00452520.jpg</image:loc><image:title>brass mounted lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560576/the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560508/roy-ashton-and-george-sanders</loc><lastmod>2026-01-09T15:19:39.494Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560531/professor-heitz-in-the-gorgon</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168272/nested-set-of-trocars-and-cannulae-in-plated-metal-case</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/345/328/large_smg00240580.jpg</image:loc><image:title>Nested set of trocars and cannulae in plated metal case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941177/enlarging-lens-f56-7-fl</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/764/large_smg00452265.jpg</image:loc><image:title>Enlarging Lens F5.6 7&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560023/haemostatic-set-english-1871-1900</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415868/mullard-type-ef80-thermionic-valve</loc><lastmod>2026-01-09T15:19:38.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417561/plaque-coal-mining</loc><lastmod>2026-01-09T15:19:39.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/632/large_cd0661_018_110809_lcmc_t2052_plaque.jpg</image:loc><image:title>Plaque, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433214/saddlers-1-straight-iron-loop-stick</loc><lastmod>2026-01-09T15:19:38.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/254/large_smg00066687.jpg</image:loc><image:title>Saddler&apos;s 1&quot;  straight iron loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560507/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560976/72-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:38.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/499/467/large_smg00269611.jpg</image:loc><image:title>72 of 80 smoked glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417448/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/744/large_cd0717_059_131216_2013_17_68_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560242/christopher-lee-as-kharis-in-the-mummy</loc><lastmod>2026-01-09T15:19:38.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418100/coal-mining-stick-or-gas-probe</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/279/large_cd0664_033_111004_lcmc_t1125_1_yellow_stick_with_wooden_handle.jpg</image:loc><image:title>Coal mining stick or gas probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560779/porridge-oats-and-cornflakes</loc><lastmod>2026-01-09T15:19:38.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/463/large_2000_5000_0565__0002_.jpg</image:loc><image:title>Porridge oats and cornflakes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/461/large_2000_5000_0565__0001_.jpg</image:loc><image:title>Porridge oats and cornflakes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432794/twenty-one-wooden-cylinders-painted-black-and-lined-with-different-amounts-of-lead</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417564/shotfirers-key</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560532/professor-heitz-in-the-gorgon</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417456/abc-wax-fabric-sample</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/773/large_cd0716_067_131216_2013_17__76_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417968/sign-authorised-persons-from-golborne-colliery</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/306/large_cd0629_060_100813_lcmc_t1710_authorised_persons_wishing_sign.jpg</image:loc><image:title>Sign: &apos;Authorised persons..&quot; from Golborne colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434352/saddle-makers-tail-pad-float</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/130/large_smg00066696.jpg</image:loc><image:title>Saddle maker&apos;s tail-pad float</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433897/saddlers-1-14-pricker-punch-no-6</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/114/large_smg00066679.jpg</image:loc><image:title>Saddler&apos;s  1 1/4&quot; pricker punch  (No 6).</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8421156/heyesco-bell</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8557233/case-for-wax-male-figure</loc><lastmod>2026-01-09T15:19:39.494Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560395/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560716/letter-to-roy-ashton-from-anthony-nelson-keys</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560328/the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560836/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32495/box-of-lead-blocks</loc><lastmod>2026-01-09T15:19:39.494Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434332/light-type-screwdriver-turnscrew</loc><lastmod>2026-01-09T15:19:39.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/182/large_smg00066788.jpg</image:loc><image:title>Light type screwdriver (turnscrew)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941135/dallmeyer-projection-lens</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/33/large_smg00452255.jpg</image:loc><image:title>Dallmeyer Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434088/saddlers-58-round-cutting-punch</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/142/large_smg00066708.jpg</image:loc><image:title>Saddler&apos;s 5/8&quot; round cutting punch.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417496/coal-mining-electric-lamp</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/616/large_cd0661_002_110809_lcmc_t1752_battery_lamp.jpg</image:loc><image:title>Coal mining electric lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8689035/thrasher-touring-bicycle</loc><lastmod>2026-01-09T15:19:39.957Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560548/reference-photograph-of-an-alsation-dog</loc><lastmod>2026-01-09T15:19:40.144Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417921/oil-canister</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/364/large_cd0674_054_120105_lcmc_t267_oil_canister.jpg</image:loc><image:title>Oil canister</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417478/coal-mines-act-1911-mounted-for-wall-display</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/270/large_cd0628_029_100805_lcmc_t472_coal_mines_act_1911_sign.jpg</image:loc><image:title>Coal Mines Act 1911, mounted for wall display</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/469/large_smg00243938.jpg</image:loc><image:title>Coal Mines Act 1911, mounted for wall display</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818748/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168288/kochers-nasal-polypus-forceps</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/354/429/large_smg00242173.jpg</image:loc><image:title>Kocher&apos;s nasal polypus forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417901/wire-rope-sample</loc><lastmod>2026-01-09T15:19:40.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/562/large_cd0647_005_110315_lcmc_t286_wire_rope_sample_c_1847.jpg</image:loc><image:title>Wire rope sample</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560851/tin-of-plasto</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560447/jacqueline-pearce-in-the-reptile</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432775/wooden-form-board-with-various-shapes</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/444/large_smg00156620.jpg</image:loc><image:title>Wooden form board with various shapes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417917/surveyors-compass-coal-mining</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/366/large_cd0674_057_120105_lcmc_t293_surveyors_compass.jpg</image:loc><image:title>Surveyor&apos;s compass, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417798/ncb-parsonage-pit-no1-and-no2-shafts-sign</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/312/large_cd0629_072_100817_lcmc_t1844_n_c_b_parsonage_pit_sign.jpg</image:loc><image:title>NCB Parsonage Pit no.1 and no.2 shafts sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560345/the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:40.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418093/coal-mining-rescue-apparatus</loc><lastmod>2026-01-09T15:19:40.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/126/891/large_cd0701_021_121210_t1138_1_oxgen_regulator.jpg</image:loc><image:title>Coal mining rescue apparatus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/664/large_smg00245735.jpg</image:loc><image:title>Coal mining rescue apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432803/enid-blyton-jigsaw-puzzle-mr-gallianos-circus</loc><lastmod>2026-01-09T15:19:40.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/404/large_smg00156572.jpg</image:loc><image:title>Enid Blyton jigsaw puzzle, &apos;Mr Galliano&apos;s Circus&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432933/sledge-induction-coil-du-bois-reymond-type</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/833/large_smg00160553.jpg</image:loc><image:title>Sledge induction coil, Du Bois-Reymond type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418026/lockable-battery-box</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/979/large_cd0659_010_110809_lcmc_t13_10_2000_17_lockable_battery_box_1980_s___key.jpg</image:loc><image:title>Lockable battery box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418112/first-aid-tin-with-contents</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/269/large_cd0664_023_111004_lcmc_t1106_1_first_aid_tin_with_contents.jpg</image:loc><image:title>First aid tin with contents</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560440/sketch-of-ayesha-from-she</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560239/designs-for-the-mummy</loc><lastmod>2026-01-09T15:19:41.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432890/moulding-planeogee-type-38maker-unknown</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/915/large_smg00066112.jpg</image:loc><image:title>Moulding plane:ogee type, 3/8&quot;maker unknown.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432889/moulding-plane-flat-bead-type</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/914/large_smg00066111.jpg</image:loc><image:title>Moulding plane: flat bead type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560353/the-mummy</loc><lastmod>2026-01-09T15:19:41.363Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415871/mullard-type-ey86-thermionic-valve</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560432/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560269/roy-ashton-with-a-rotting-corpse</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417554/manpower-deployment-tally-board</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/260/large_cd0628_019_100805_lcmc_t186_2_manpower_deployment_board.jpg</image:loc><image:title>&apos;Manpower Deployment&apos; tally board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560856/sketches-relating-to-don-quixote</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560473/richard-pasco-in-the-gorgon</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560392/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:42.796Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434357/saddle-makers-note-book-in-a-hide-leather-holder</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/133/large_smg00066699.jpg</image:loc><image:title>Saddle maker&apos;s note book in a hide leather holder.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co166057/rugine-part-of-trephination-set</loc><lastmod>2026-01-09T15:19:42.796Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/283/463/large_a121486_0002__0001_.jpg</image:loc><image:title>Rugine, part of trephination set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560919/15-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:42.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031071/lamp</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/510/large_smg00208469.jpg</image:loc><image:title>Lamp.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432715/ergograph-by-e-zimmerman</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/785/large_smg00159360.jpg</image:loc><image:title>Ergograph by E. Zimmerman</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417416/container-of-explosives</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/241/large_cd0663_066_111004_lcmc_t336_leather___paper_container_of_explosives.jpg</image:loc><image:title>Container of explosives</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417440/acme-food-tin</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/224/large_cd0663_049_111004_lcmc_t132_acme_food_tin.jpg</image:loc><image:title>Acme food tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818738/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417482/sign-windy-arbour-colliery</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/269/large_cd0628_028_100805_lcmc_t457_windy_arbour_colliery_poster.jpg</image:loc><image:title>Sign, &apos;Windy Arbour Colliery..&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417467/sectioned-detonator-and-wire</loc><lastmod>2026-01-09T15:19:42.796Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560402/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418097/stone-dust-barrier-sign</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/252/large_cd0628_011_100730_lcmc_t113_11_2000_6_stone_dust_barrier_sign.jpg</image:loc><image:title>&apos;Stone dust barrier&apos; sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941176/zeiss-tessar-lens</loc><lastmod>2026-01-09T15:19:42.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/762/large_smg00452263.jpg</image:loc><image:title>Zeiss Tessar Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560220/denvers-mask-from-the-plague-of-the-zombies</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560302/fitting-a-death-mask-onto-an-actor-for-vault-of-horror</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433015/moulding-plane-shallow-flute-moulding-type</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/302/376/large_smg00066132.jpg</image:loc><image:title>Moulding plane: shallow flute moulding type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560429/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:44.208Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560814/the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434371/saddle-makers-straight-1-18-loop-stick</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/126/large_smg00066692.jpg</image:loc><image:title>Saddle maker&apos;s straight  1 1/8&quot; loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168709/2-amputation-knives-with-nickel-plated-handles</loc><lastmod>2026-01-09T15:19:43.462Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560459/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:44.208Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560420/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560386/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418052/telephone-speaker-attachment</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418002/body-shell-for-rescue-breathing-apparatus</loc><lastmod>2026-01-09T15:19:44.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/236/large_cd0675_026_120105_lcmc_t1449_part_of_breathing_apparatus.jpg</image:loc><image:title>Body shell for rescue breathing apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168708/forceps-with-angled-jaws</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/352/639/large_smg00060798.jpg</image:loc><image:title>Forceps, with angled jaws</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560729/caricature-sketches</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417998/ormerod-safety-detaching-hook-sign</loc><lastmod>2026-01-09T15:19:44.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/254/large_cd0628_013_100730_lcmc_t148_ormerod_safety_detaching_hook_sign.jpg</image:loc><image:title>&apos;Ormerod&apos; safety detaching hook sign</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560256/anton-diffring-as-bonner-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8695029/fish-knife-british-transport-commission-hotels</loc><lastmod>2026-01-09T15:19:40.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031080/lamp</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/693/large_smg00028751.jpg</image:loc><image:title>Lamp.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433259/saddlers-wide-edging-iron</loc><lastmod>2026-01-09T15:19:44.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/98/large_smg00066663.jpg</image:loc><image:title>Saddler&apos;s wide edging iron.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560206/folder</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560797/envelope-with-photographs</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560439/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818776/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433183/saddlers-78-straight-wooden-loop-stick</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/75/large_smg00066640.jpg</image:loc><image:title>Saddler&apos;s 7/8&quot; straight wooden  loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560842/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560203/prudence-hyman-as-megaera-the-gorgon</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560641/rotting-corpse-from-paranoiac</loc><lastmod>2026-01-09T15:19:44.316Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434331/coachmakers-turnscrew-screwdriver-london-type</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/128/large_smg00066694.jpg</image:loc><image:title>Coachmaker&apos;s Turnscrew (screwdriver), London type.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418110/leather-coalmans-back-apron</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/597/large_cd0660_055_110809_lcmc_t1111_leather_coalmans_back_apron.jpg</image:loc><image:title>Leather coalman&apos;s back apron</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/214/122/large_cd0372_030_080501_y2002_19__apron.jpg</image:loc><image:title>Leather coalman&apos;s back apron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415812/ferranti-ltd-thermionic-valve</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8817531/case-previously-used-for-telescope-parts</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/513/large_smg00722155__0002_.jpg</image:loc><image:title>Case previously used for telescope parts</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/512/large_smg00722155__0001_.jpg</image:loc><image:title>Case previously used for telescope parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560742/peter-cusing</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560398/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560940/36-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:45.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432944/sledge-type-induction-coil-by-cf-palmer-ltd</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/772/large_smg00159345.jpg</image:loc><image:title>Sledge type induction coil by C.F. Palmer Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560273/jodie-foster-on-the-set-of-candleshoe</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415819/ferranti-ltd-type-cv124-thermionic-valve</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560823/unknown-actress-as-ayesha-in-she</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434091/saddlers-coarse-honing-stone-turkey</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/139/large_smg00066705.jpg</image:loc><image:title>Saddler&apos;s coarse honing stone (turkey)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560283/contents-of-roy-ashtons-drying-cupboard</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417462/pattern-sole-for-raising-shoes</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/973/large_cd0659_004_110809_lcmc_t2_pattern_sole.jpg</image:loc><image:title>Pattern sole for raising shoes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560199/roy-ashton-in-his-make-up-studio-with-barbara-shelley</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560025/desormeaux-type-endoscope-paris-france-1861-1880</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415839/mullard-type-pcf84-thermionic-valve</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433249/saddlers-14-holing-punch-for-buckle-tongues</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/108/large_smg00066673.jpg</image:loc><image:title>Saddler&apos;s 1/4&quot; holing punch for buckle tongues.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560407/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418090/miners-hard-hats</loc><lastmod>2026-01-09T15:19:44.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560883/drawings-of-dogs-and-mens-faces-13-images-by-roy-ashton</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432804/stone-age-children-scene-jigsaw-puzzle</loc><lastmod>2026-01-09T15:19:45.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8689171/mcvitie-weston-valve-collection-marconi-valve-type-t50</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/476/large_smg00313218.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type T.50</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/918/large_smg00313218.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type T.50</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560282/jackie-cooper-as-herbert-loms-phantom-double-in-the-phantom-of-the-opera</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415857/mullard-type-pl820-thermionic-valve</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560250/behemoth-the-sea-monster</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560545/reference-photograph-of-an-alsation-dog</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8691156/mcvitie-weston-valve-collection-mercury-arc-valve</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/297/large_smg00313029.jpg</image:loc><image:title>McVitie Weston valve collection, mercury arc valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432914/moulding-plane</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/924/large_smg00066121.jpg</image:loc><image:title>Moulding plane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560574/ursula-andress-as-ayesha-in-she</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8817525/power-supply-for-infrared-light-ring</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/907/large_smg00722107__0001_.jpg</image:loc><image:title>Power supply for infrared light ring</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/908/large_smg00722107__0002_.jpg</image:loc><image:title>Power supply for infrared light ring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418075/flameproof-cable-coupling</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co164236/surgical-scissors</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560482/production-photograph-from-vault-of-horror</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560261/letter-from-anthony-nelson-keys-to-roy-ashton</loc><lastmod>2026-01-09T15:19:45.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418001/gas-cap-demonstrator-coal-mining</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/647/large_cd0647_063_110315_lcmc_t145_1_gas_cap_demonstator.jpg</image:loc><image:title>Gas cap demonstrator, coal mining</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/648/large_cd0647_064_110315_lcmc_t145_2_gas_cap_demonstrator.jpg</image:loc><image:title>Gas cap demonstrator, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432856/printed-card-material-for-revised-stanford-binet-tests-form-l-terman-and-merrill</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418077/coal-mining-wedge</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432939/shutter-device-on-wooden-pane-by-cf-palmer-ltd</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/400/758/large_smg00159423.jpg</image:loc><image:title>Shutter device on wooden pane by C.F. Palmer Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560819/reference-photograph-of-ursula-andress</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560489/photograph-of-ron-moody</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560849/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560635/milton-reid-in-captain-clegg</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432825/exerciselaboratory-notebook-detailing-experiments-dated-october-1930</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/786/large_smg00159521.jpg</image:loc><image:title>Exercise/laboratory notebook detailing experiments dated October 1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168274/trocar-with-silver-cannula-and-stainless-steel-handle</loc><lastmod>2026-01-09T15:19:46.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/345/372/large_smg00240627.jpg</image:loc><image:title>Trocar with silver cannula and stainless steel handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415864/mullard-type-ey86-thermionic-valve</loc><lastmod>2026-01-09T15:19:46.179Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560931/27-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560560/anton-diffring-in-the-man-who-could-cheat-death</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560665/concept-drawings-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560854/envelope-and-compliment-slip-envelope-addressed-to-phil-leakey</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8028387/beta-airship-car-fuselage</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417914/cutaway-wet-battery</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/267/large_cd0628_026_100805_lcmc_t344_cutaway_wet_battery.jpg</image:loc><image:title>Cutaway wet battery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415770/rca-thermionic-valve</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8944272/a-petzval-portrait-type-lens</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/232/large_smg00452224.jpg</image:loc><image:title>A Petzval Portrait Type Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560230/sequential-drawing-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415818/ferranti-ltd-type-cv124-thermionic-valve</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560198/syd-pearson-working-on-a-plaster-cast-head</loc><lastmod>2026-01-09T15:19:46.581Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560483/megaera-from-the-gorgon</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415807/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415766/brimar-thermionic-valve</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560914/10-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560751/the-ballad-of-tyburn-films</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560556/roy-ashton-at-gaumont-british-studios</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417472/miners-electric-lamp</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/293/large_cd0664_047_111004_lcmc_t1285_lamp.jpg</image:loc><image:title>Miner&apos;s electric lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418014/anenometer</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8948483/a-lens</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/83/large_smg00452538.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560805/the-creature-from-frankenstein</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8689193/mcvitie-weston-valve-collection-mullard-valve-type-at200</loc><lastmod>2026-01-09T15:19:47.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/935/large_smg00259342.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type AT.200</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560526/sketch-of-the-transformation-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418092/premier-cleveland-lamp</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/991/large_cd0659_022_110809_lcmc_t114_lamp.jpg</image:loc><image:title>Premier &apos;Cleveland&apos; lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560809/anton-diffring-in-circus-of-horrors</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560710/letter-to-phil-leakey-from-al-taylor</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560737/caricature-sketches</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415781/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560287/award-presented-to-roy-ashton</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818742/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415774/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co431362/refracting-telescope-of-59-inch-aperture-mounted-on-english-type-equatorial-mounting-with-off-set-lead-counterweight</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/790/large_1929_0949__0008_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/784/large_1929_0949__0002_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/785/large_1929_0949__0003_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/789/large_1929_0949__0007_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/788/large_1929_0949__0006_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/786/large_1929_0949__0004_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/787/large_1929_0949__0005_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/783/large_1929_0949__0001_.jpg</image:loc><image:title>Refracting telescope of 5.9-inch aperture, mounted on English type equatorial mounting with off-set lead counterweight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560906/2-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560550/make-up-for-the-curse-of-the-werewolf</loc><lastmod>2026-01-09T15:19:47.571Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818727/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:47.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418143/electric-safety-lamp</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/254/large_cd0664_007_111004_lcmc_t0535_battery_electric_lamp.jpg</image:loc><image:title>Electric safety lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co168279/one-trocar-from-set-of-nesting-trocars</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/345/360/large_smg00240615.jpg</image:loc><image:title>One trocar from set of nesting trocars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560538/phil-leakey</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560750/red-folder-with-photographs-and-notes</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415782/mullard-thermionic-valve</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941138/dallmeyer-projection-lens</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/758/large_smg00452259.jpg</image:loc><image:title>Dallmeyer Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560640/christopher-lee-in-the-mummy</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432806/jigsaw-puzzle-of-country-scene</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/434/large_smg00156609.jpg</image:loc><image:title>Jigsaw puzzle of country scene</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560235/herbert-lom-as-chief-inspector-dreyfus-in-the-pink-panther-strikes-again</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8561043/100-hycam-16mm-cine-camera-1980-1985</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432813/picture-puzzle-board-chicago-united-states-of-america-1900-1920</loc><lastmod>2026-01-09T15:19:47.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/197/large_1996_0277_0085.jpg</image:loc><image:title>Picture puzzle board, Chicago, United States of America, 1900-1920</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/432/large_smg00156607.jpg</image:loc><image:title>Picture puzzle board, Chicago, United States of America, 1900-1920</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433252/saddlers-no-1-edging-iron</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/100/large_smg00066665.jpg</image:loc><image:title>Saddler&apos;s No 1 edging iron.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818758/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560631/paul-massie-in-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560652/make-up-for-the-phantom-of-the-opera</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434358/saddle-makers-straight-58-loop-stick</loc><lastmod>2026-01-09T15:19:49.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/125/large_smg00066691.jpg</image:loc><image:title>Saddle maker&apos;s straight 5/8&quot; loop stick.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418067/coal-miners-trousers</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/350/large_cd0674_040_120105_lcmc_t12_10_2000_34_yellow_pair_of_coal_trousers.jpg</image:loc><image:title>Coal miner&apos;s trousers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418028/ate-bell</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/978/large_cd0659_009_110809_lcmc_t13_10_2000_6__ate__bell.jpg</image:loc><image:title>&apos;ATE&apos; bell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8944276/petzval-portrait-lens</loc><lastmod>2026-01-09T15:19:49.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/649/large_smg00452269.jpg</image:loc><image:title>Petzval Portrait Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560689/unidentified-actor</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031063/maxim-lamp</loc><lastmod>2026-01-09T15:19:48.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/696/large_smg00028755.jpg</image:loc><image:title>Maxim lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432834/macdougall-schuster-dotting-machine</loc><lastmod>2026-01-09T15:19:48.264Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/105/large_smg00296301.jpg</image:loc><image:title>MacDougall-Schuster dotting machine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415840/mullard-type-el41-thermionic-valve</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8690112/mcvitie-weston-valve-collection-mullard-valve-type-vt13</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/328/large_smg00313064.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VT13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8429555/bell-and-howell-model-1695bs-projector-and-speaker</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560820/reference-photograph-of-ursula-andress</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8818733/veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8040344/split-barrel-tinder-pistol</loc><lastmod>2026-01-09T15:19:49.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/946/large_smg00297378.jpg</image:loc><image:title>Split Barrel Tinder Pistol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560843/character-studies-by-roy-ashton</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417476/coal-mining-rescue-apparatus-about-1939-oxygen-bottles</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/126/893/large_cd0701_023_121210_t486_coal_mining_rescue_apparatus.jpg</image:loc><image:title>Coal mining rescue apparatus about 1939.  Oxygen bottles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/126/895/large_cd0701_025_121210_t486_apparatus_testing_label.jpg</image:loc><image:title>Coal mining rescue apparatus about 1939.  Oxygen bottles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/126/894/large_cd0701_024_121210_t486_apparatus_testing_label.jpg</image:loc><image:title>Coal mining rescue apparatus about 1939.  Oxygen bottles</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/126/892/large_cd0701_022_121210_t486_coal_mining_rescue_apparatus_case.jpg</image:loc><image:title>Coal mining rescue apparatus about 1939.  Oxygen bottles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417919/metal-canister-coal-mining-collection</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/236/large_cd0663_061_111004_lcmc_t270_round_metal_canister.jpg</image:loc><image:title>Metal Canister- coal mining collection</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/230/large_cd0620_009_100513_t270_miners_water_flask.jpg</image:loc><image:title>Metal Canister- coal mining collection</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/599/large_smg00245661.jpg</image:loc><image:title>Metal Canister- coal mining collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432742/decade-resistance-bridge-by-cambridge-instrument-co-ltd</loc><lastmod>2026-01-09T15:19:49.206Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/846/large_smg00160832.jpg</image:loc><image:title>Decade Resistance Bridge by Cambridge Instrument Co. Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8945301/lens</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/158/large_smg00452197.jpg</image:loc><image:title>Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432746/mounted-tuning-fork</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/775/large_smg00159348.jpg</image:loc><image:title>Mounted tuning fork</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8945298/ross-2-inch-xpres-f19-lens</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/160/smg00452199.jpg</image:loc><image:title>Ross 2 Inch Xpres F.1.9 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560490/roy-ashton-in-his-make-up-room</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560929/25-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:48.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560924/20-of-80-smoked-glass-slides</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560673/concept-sketches-for-the-two-faces-of-dr-jekyll</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417463/retaining-device</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031081/lamp</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/589/large_smg00253265.jpg</image:loc><image:title>Lamp.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560671/mask-from-kiss-of-the-vampire</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418127/sign-firemens-station-coal-mining</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/292/large_cd0629_038_100810_lcmc_t1018_firemens_station_sign.jpg</image:loc><image:title>Sign: &apos;Firemens station...&apos;. coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8688927/monoject-ampoule-syringe-of-morphine-hydrochloride</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8695024/fish-knife-british-transport-commission-hotels</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417511/pit-brow-womans-hammer</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/523/large_cd0646_033_110315_lcmc_t1655_2_pit_brow_woman_hammer.jpg</image:loc><image:title>Pit brow woman&apos;s hammer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8947842/brass-mounted-lens</loc><lastmod>2026-01-09T15:19:49.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/200/large_smg00452521.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8030310/k6940-newall-35-mm-cine-camera</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031078/lamp</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8557231/case-for-wax-figure-showing-the-arteries-of-the-body</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co433243/saddlers-316-holing-punch-for-buckle-tongues</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/113/large_smg00066678.jpg</image:loc><image:title>Saddler&apos;s 3/16&quot; holing punch for buckle tongues.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560745/caricature-sketches</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941185/projection-lens</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/169/large_smg00452227.jpg</image:loc><image:title>Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560567/megaera-from-the-gorgon</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560226/roy-ashton-applying-fake-blood-to-jacqueline-pearce</loc><lastmod>2026-01-09T15:19:50.095Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418023/pick-axe</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/981/large_cd0659_012_110809_lcmc_t13_11_2000_10_pick_axe.jpg</image:loc><image:title>Pick axe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8695025/fish-knife-british-transport-commission-hotels</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432884/moulding-plane-raised-bead-type</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/912/large_smg00066109.jpg</image:loc><image:title>Moulding plane: raised bead type,</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560625/reference-photograph-from-the-stranglers-of-bombay</loc><lastmod>2026-01-09T15:19:50.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8691153/mcvitie-weston-valve-collection-marconi-valve-type-v24</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/506/large_smg00262894.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type V24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432722/fatigue-apparatus</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560596/reference-photograph-of-a-wolf</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560492/roy-ashton-and-roy-ward-baker</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417445/abc-wax-fabric-sample-dice-design</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/124/741/large_cd0717_056_131216_2013_17_66_fabric_sample.jpg</image:loc><image:title>ABC Wax fabric sample, &apos;Dice&apos; design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560491/reference-photograph-of-bernard-bresslaw</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8031076/early-incandescent-electric-lamp</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560510/roy-ashton-at-gaumont-british-studios</loc><lastmod>2026-01-09T15:19:50.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560569/special-effects-make-up-for-asylum</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560826/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432771/healy-pictorial-completion-test-chicago-united-states-of-america-1921</loc><lastmod>2026-01-09T15:19:51.045Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/7/461/large_1996_0277_0119.jpg</image:loc><image:title>Healy Pictorial Completion Test, Chicago, United States of America, 1921</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/52/large_smg00160583.jpg</image:loc><image:title>Healy Pictorial Completion Test, Chicago, United States of America, 1921</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432832/algometer-pressure-gauge-for-scalp-forehead-shins</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/72/large_smg00160877.jpg</image:loc><image:title>Algometer (pressure gauge) for scalp, forehead, shins</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560419/sketch-of-the-creature-from-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560601/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434077/saddlers-hammer-with-a-malacca-handle</loc><lastmod>2026-01-09T15:19:52.188Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/149/large_smg00066715.jpg</image:loc><image:title>Saddler&apos;s hammer with a malacca handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941144/dallmeyer-telephoto-lens</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/774/large_smg00452279.jpg</image:loc><image:title>Dallmeyer Telephoto Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560330/the-creature-in-the-evil-of-frankenstein</loc><lastmod>2026-01-09T15:19:52.188Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417799/compressed-air-driven-lamp</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432800/clockwork-electrical-timing-switch</loc><lastmod>2026-01-09T15:19:52.188Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/48/large_smg00333518.jpg</image:loc><image:title>Clockwork electrical timing switch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418082/coal-samples-from-moston-colliery</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/283/large_cd0664_037_111004_lcmc_t1159_coal_samples.jpg</image:loc><image:title>Coal samples from Moston colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co434078/saddlers-hand-buskin</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/147/large_smg00066713.jpg</image:loc><image:title>Saddler&apos;s hand buskin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560467/michael-goodliffe-in-the-gorgon</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co171705/surgical-clamp</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co432863/three-and-six-cube-pyramids-stutsman</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/397/large_smg00156552.jpg</image:loc><image:title>Three and six cube pyramids, Stutsman</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560204/prudence-hyman-as-megaera-the-gorgon</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co32497/lead-case-for-x-ray-tube</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560699/handwritten-note-addressed-to-roy-ashton-from-sir-john-mills-cbe</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8417559/plaque-coal-mining</loc><lastmod>2026-01-09T15:19:51.484Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/661/large_cd0661_020_110809_lcmc_t2054_sign.jpg</image:loc><image:title>Plaque, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8944277/rapid-rectilinear-patent-lens</loc><lastmod>2026-01-09T15:19:51.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/650/large_smg00452270.jpg</image:loc><image:title>Rapid Rectilinear Patent Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8941134/projection-lens</loc><lastmod>2026-01-09T15:19:52.913Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/630/large_smg00452234.jpg</image:loc><image:title>Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560752/roy-ashtons-curriculum-vitae</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47731/two-turning-gouges-and-two-turning-chisels</loc><lastmod>2026-01-09T15:19:53.045Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560346/publicity-photograph-of-christopher-lee-as-dracula</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185403/john-logie-bairds-test-subject-eustace</loc><lastmod>2026-01-09T15:19:52.913Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560292/ursula-andress-as-ayesha-in-she</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560786/peter-cushing-in-tales-from-the-crypt</loc><lastmod>2026-01-09T15:19:52.346Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8560586/modelled-clay-head-of-the-creature</loc><lastmod>2026-01-09T15:19:52.188Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8698772/aluminium-tin-to-contain-40-morphine-hydrochloride-and-ipecac-cough-lozenges</loc><lastmod>2026-01-09T15:19:52.913Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8709484/miners-snap-tin</loc><lastmod>2026-01-09T15:19:53.451Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054662/mamira-succus</loc><lastmod>2026-01-09T15:19:53.451Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47365/a-black-fibre-box-containing-4-heavy-flat-irons</loc><lastmod>2026-01-09T15:19:52.913Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054649/ammonium-carb</loc><lastmod>2026-01-09T15:19:53.451Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47529/3-horses</loc><lastmod>2026-01-09T15:19:53.045Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/750/large_smg00360582.jpg</image:loc><image:title>3 Horses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705714/makers-plate-for-walker-macard-fan</loc><lastmod>2026-01-09T15:19:53.451Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442838/bottle-of-max-factor-adhesive-spirit-gum</loc><lastmod>2026-01-09T15:19:53.470Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973303/brass-mounted-lens</loc><lastmod>2026-01-09T15:19:53.451Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/295/large_smg00452906.jpg</image:loc><image:title>Brass mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705713/cleaning-moving-engines-notice</loc><lastmod>2026-01-09T15:19:53.470Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47446/tinplate-box-with-letter-and-numeral-punches</loc><lastmod>2026-01-09T15:19:54.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/730/352/large_smg00457310.jpg</image:loc><image:title>Tinplate Box with Letter and Numeral Punches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185997/cable-drum-containing-hdc500-type-cable-c-1995</loc><lastmod>2026-01-09T15:19:54.347Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47530/machine-for-cutting-strips</loc><lastmod>2026-01-09T15:19:54.347Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/747/large_smg00360579.jpg</image:loc><image:title>Machine for Cutting Strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443736/iron-oxygen-pump-in-wood-frame</loc><lastmod>2026-01-09T15:19:54.391Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8838475/dental-instrument-by-ash</loc><lastmod>2026-01-09T15:19:54.347Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/838/large_smg00294780.jpg</image:loc><image:title>dental instrument by Ash</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448073/horizontal-duplex-winch</loc><lastmod>2026-01-09T15:19:54.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/528/18/large_smg00215025.jpg</image:loc><image:title>Horizontal duplex winch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8187103/sashalite-photoflash-flash-bulb</loc><lastmod>2026-01-09T15:19:54.391Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/737/large_smg00448234.jpg</image:loc><image:title>&apos;Sashalite&apos; photoflash flash bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co448750/microdensitometer-video-camera-by-ikegami-tsushinki-co-ltd-japan-1978</loc><lastmod>2026-01-09T15:19:54.391Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/870/large_smg00177218.jpg</image:loc><image:title>Microdensitometer video camera, by Ikegami Tsushinki Co. Ltd, Japan, 1978</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448563/pemberton-rock-coal-mining-co</loc><lastmod>2026-01-09T15:19:54.347Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/206/large_cd0663_031_111004_lcmc_pemberton_rock.jpg</image:loc><image:title>Pemberton Rock. Coal Mining Co</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444191/iron-rod-with-two-small-rivet-holes</loc><lastmod>2026-01-09T15:19:54.385Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/996/large_smg00447967.jpg</image:loc><image:title>Iron Rod with Two Small Rivet Holes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442837/bottle-of-george-bau-invisible-adhesive</loc><lastmod>2026-01-09T15:19:55.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co448749/microdensitometer-for-tree-ring-analysis-by-joyce-loebl-limited-1978</loc><lastmod>2026-01-09T15:19:55.435Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054603/blister-pack-of-10-vimgran-tablets-2-of-3-blister-packs-absent-in-cardboard-carton-by-sarabhai-chemicals</loc><lastmod>2026-01-09T15:19:54.391Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448562/handco-signalling-bell-mechanism</loc><lastmod>2026-01-09T15:19:55.507Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8968025/lens</loc><lastmod>2026-01-09T15:19:55.507Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/695/large_smg00452734.jpg</image:loc><image:title>Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co46818/anvil</loc><lastmod>2026-01-09T15:19:55.435Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/742/large_smg00360362.jpg</image:loc><image:title>Anvil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47944/jenny-edging-machines-a-folding-trap-and-a-gas-burner</loc><lastmod>2026-01-09T15:19:55.969Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054592/lomotil-tablets-by-searle-india-ltd</loc><lastmod>2026-01-09T15:19:56.526Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8710799/brass-plate-coal-mining</loc><lastmod>2026-01-09T15:19:56.526Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/208/340/large_cd0509_011_090220_t765_27c_name_plate.jpg</image:loc><image:title>Brass plate, coal mining</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705876/coal-splitting-wedge</loc><lastmod>2026-01-09T15:19:56.635Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47492/dome-stake</loc><lastmod>2026-01-09T15:19:56.526Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/839/large_smg00360372.jpg</image:loc><image:title>Dome Stake</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448559/electric-cap-lamp</loc><lastmod>2026-01-09T15:19:56.635Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8052875/contents-of-veterinary-medicine-chest</loc><lastmod>2026-01-09T15:19:57.596Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57230/weston-photronic-cell</loc><lastmod>2026-01-09T15:19:57.596Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/262/large_smg00052892.jpg</image:loc><image:title>Weston Photronic Cell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9352006/thistle-digger</loc><lastmod>2026-01-09T15:19:57.484Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/746/868/large_smg00650697.jpg</image:loc><image:title>Thistle Digger</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8707175/ladle-for-pouring-white-metal</loc><lastmod>2026-01-09T15:19:57.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8837264/bsb-marcopolo-1-hughes-hs-376-satellite-pin-c-1989</loc><lastmod>2026-01-09T15:19:57.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054596/unienzyme-tablets-in-plastic-bottle</loc><lastmod>2026-01-09T15:19:57.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448380/john-davis-gauge</loc><lastmod>2026-01-09T15:19:57.596Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054578/primovlar-tablets-india-1979</loc><lastmod>2026-01-09T15:19:57.596Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/618/large_1981_1397_0011__0001_.jpg</image:loc><image:title>Primovlar tablets, India, 1979</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/619/large_1981_1397_0011__0002_.jpg</image:loc><image:title>Primovlar tablets, India, 1979</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705761/label-for-miniature-hospital</loc><lastmod>2026-01-09T15:19:58.632Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8708357/a-metal-box-with-lid</loc><lastmod>2026-01-09T15:19:58.683Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57204/micro-monochromator</loc><lastmod>2026-01-09T15:19:58.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/268/large_smg00052901.jpg</image:loc><image:title>Micro-monochromator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8709532/iron-pit-prop</loc><lastmod>2026-01-09T15:19:58.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57232/three-spring-balances</loc><lastmod>2026-01-09T15:19:58.632Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054367/ross-rapid-symmetrical-lens</loc><lastmod>2026-01-09T15:19:59.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/57/18/large_1979_0559_1193.jpg</image:loc><image:title>Ross Rapid Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705985/miners-safety-lamp</loc><lastmod>2026-01-09T15:19:58.683Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8707181/cast-iron-railway-sleeper</loc><lastmod>2026-01-09T15:19:58.632Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699034/bottle-unlabelled-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:19:59.361Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054571/red-and-white-kings-cigarettes-bombay-india-1975-1980</loc><lastmod>2026-01-09T15:19:59.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/95/large_1981_1397_0004.jpg</image:loc><image:title>Red &amp; White Kings Cigarettes, Bombay, India, 1975-1980</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47373/2-wooden-mitre-cramps</loc><lastmod>2026-01-09T15:19:59.413Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973251/spencer-port-land-f45-lens</loc><lastmod>2026-01-09T15:19:59.361Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/686/large_smg00452672.jpg</image:loc><image:title>Spencer Port-land f:4.5 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47366/fly-press</loc><lastmod>2026-01-09T15:19:58.683Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973259/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:19:59.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/234/large_smg00452743.jpg</image:loc><image:title>Dallon Tele-Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185090/balustrade-from-miniature-hospital</loc><lastmod>2026-01-09T15:19:59.413Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57205/radius-measurer-plus-older-two-lamp-radius-gauge</loc><lastmod>2026-01-09T15:20:00.017Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/870/large_smg00173822.jpg</image:loc><image:title>Radius measurer, plus older two-lamp radius gauge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699037/bottle-for-the-genuine-james-fever-powder-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:00.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185995/sony-hdc500-colour-camera-with-accessories-c-1995</loc><lastmod>2026-01-09T15:20:00.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699039/bottle-for-just-emetor-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:00.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8698768/aluminium-tin-to-contain-40-morphine-hydrochloride-and-ipecac-cough-lozenges</loc><lastmod>2026-01-09T15:19:59.691Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8566053/computer-technology-ltd-disk</loc><lastmod>2026-01-09T15:20:00.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47497/mallet</loc><lastmod>2026-01-09T15:20:00.017Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/833/large_smg00360366.jpg</image:loc><image:title>Mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47730/a-cow-mouthed-adze</loc><lastmod>2026-01-09T15:20:00.669Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054633/vicco-turmeric-cream</loc><lastmod>2026-01-09T15:20:00.586Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443854/single-ended-wrench</loc><lastmod>2026-01-09T15:20:00.586Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/544/large_smg00447927.jpg</image:loc><image:title>Single-ended Wrench</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47380/small-corner-basin-with-waste-trap-some-short</loc><lastmod>2026-01-09T15:20:00.669Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973236/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:20:00.171Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/232/large_smg00452739.jpg</image:loc><image:title>Brass mounted symmetrical lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705673/coal-mining-brick</loc><lastmod>2026-01-09T15:20:00.171Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054576/oxalgin-tablets-by-cadila-laboratories</loc><lastmod>2026-01-09T15:20:01.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054626/two-unmarked-ayurveda-medicines-for-rash-and-allergy</loc><lastmod>2026-01-09T15:20:01.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443833/cast-iron-machine-component</loc><lastmod>2026-01-09T15:20:01.422Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/531/large_smg00447914.jpg</image:loc><image:title>Cast Iron Machine Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co51804/model-of-a-500-hp-steam-turbine-with-geared-rope-drive</loc><lastmod>2026-01-09T15:20:00.963Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/302/676/large_smg00064690.jpg</image:loc><image:title>Model, of a 500 H.P. Steam Turbine, with geared rope drive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442828/bottle-of-kryolan-mastix-spirit-gum</loc><lastmod>2026-01-09T15:20:01.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8041571/sample-of-cable-rated-at-6</loc><lastmod>2026-01-09T15:20:01.422Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699035/bottle-with-glass-stopper-for-scammn-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:01.463Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447896/large-computer-cable-with-a-circuit-board</loc><lastmod>2026-01-09T15:20:01.463Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/210/large_smg00447493.jpg</image:loc><image:title>Large Computer Cable with a Circuit Board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443735/model-of-positive-power-brake-system</loc><lastmod>2026-01-09T15:20:02.042Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9351998/4-serrated-boar-ring-squeezers</loc><lastmod>2026-01-09T15:20:01.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/746/804/large_smg00650695.jpg</image:loc><image:title>4 Serrated Boar Ring Squeezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705767/miners-tools</loc><lastmod>2026-01-09T15:20:02.042Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054588/hexavit-tablets-by-indian-drug-and-pharmaceuticals-ltd</loc><lastmod>2026-01-09T15:20:02.519Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443863/cast-iron-tool</loc><lastmod>2026-01-09T15:20:02.519Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/525/large_smg00447908.jpg</image:loc><image:title>Cast Iron Tool</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054606/blister-pack-of-6-unimezol-tablets</loc><lastmod>2026-01-09T15:20:02.414Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448376/mine-escape-apparatus-with-pressure-gauge-on-side</loc><lastmod>2026-01-09T15:20:02.954Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47949/bullseye-lenses-and-rectangular-glass-plates-for-lanterns</loc><lastmod>2026-01-09T15:20:02.414Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054039/one-of-two-glass-vials</loc><lastmod>2026-01-09T15:20:02.954Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8180570/lateral-view-of-symingtons-steam-engine-and-boat</loc><lastmod>2026-01-09T15:20:02.519Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711496/stop-mechanism</loc><lastmod>2026-01-09T15:20:02.519Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47502/seaming-machine</loc><lastmod>2026-01-09T15:20:02.414Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/829/large_smg00360361.jpg</image:loc><image:title>Seaming Machine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054654/rhus-tox</loc><lastmod>2026-01-09T15:20:02.519Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443867/cast-iron-machine-component</loc><lastmod>2026-01-09T15:20:03.348Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/543/large_smg00447926.jpg</image:loc><image:title>Cast Iron Machine Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co46816/tool-rack</loc><lastmod>2026-01-09T15:20:02.954Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835242/accessories-case-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:20:03.348Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/152/large_smg00354368.jpg</image:loc><image:title>Accessories Case for Newman Sinclair NS400 Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442718/transformer-component</loc><lastmod>2026-01-09T15:20:03.348Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444208/large-iron-tong</loc><lastmod>2026-01-09T15:20:03.639Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/529/large_smg00447912.jpg</image:loc><image:title>Large Iron Tong</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444202/tap-handle</loc><lastmod>2026-01-09T15:20:03.639Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/557/large_smg00447940.jpg</image:loc><image:title>Tap Handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47740/2-seat-pieces-one-partly-gouged</loc><lastmod>2026-01-09T15:20:04.403Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47729/an-iron-double-glue-kettle</loc><lastmod>2026-01-09T15:20:04.403Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054646/calc-phos-6x</loc><lastmod>2026-01-09T15:20:04.021Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57219/occultation-reaction-timer</loc><lastmod>2026-01-09T15:20:04.021Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/878/large_smg00175322.jpg</image:loc><image:title>Occultation reaction timer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973243/lens</loc><lastmod>2026-01-09T15:20:05.015Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/343/large_smg00452671.jpg</image:loc><image:title>Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9352005/2-dibbers</loc><lastmod>2026-01-09T15:20:05.015Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/746/867/large_smg00650696.jpg</image:loc><image:title>2 Dibbers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443844/tap-handle</loc><lastmod>2026-01-09T15:20:05.015Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/549/large_smg00447932.jpg</image:loc><image:title>Tap Handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8968676/popular-telephoto-lens</loc><lastmod>2026-01-09T15:20:05.015Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/694/large_smg00452732.jpg</image:loc><image:title>Popular Telephoto Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705678/coal-mining-brick</loc><lastmod>2026-01-09T15:20:05.015Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443866/double-ended-wrench</loc><lastmod>2026-01-09T15:20:05.623Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/537/large_smg00447920.jpg</image:loc><image:title>Double-ended Wrench</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443868/iron-rod-with-vertically-curved-hook</loc><lastmod>2026-01-09T15:20:05.154Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/551/large_smg00447934.jpg</image:loc><image:title>Iron Rod with Vertically Curved Hook</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973278/lens-by-j-lancaster-and-son</loc><lastmod>2026-01-09T15:20:05.623Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/287/large_smg00452898.jpg</image:loc><image:title>Lens by J Lancaster and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444195/hacksaw</loc><lastmod>2026-01-09T15:20:06.049Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/989/large_smg00447945.jpg</image:loc><image:title>Hacksaw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973262/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:06.049Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/235/large_smg00452744.jpg</image:loc><image:title>Dallon Tele-Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co448751/video-monitor-for-microdensitometer-1978</loc><lastmod>2026-01-09T15:20:06.049Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/750/large_smg00176607.jpg</image:loc><image:title>Video monitor for microdensitometer, 1978</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co178074/trocar-and-cannula-from-pocket-surgical-instrument-set</loc><lastmod>2026-01-09T15:20:06.613Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054640/nat-sulph-6x</loc><lastmod>2026-01-09T15:20:06.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47516/5-beating-and-anvil-blocks</loc><lastmod>2026-01-09T15:20:06.112Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/751/large_smg00360584.jpg</image:loc><image:title>5 Beating and Anvil Blocks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442829/bottle-of-stern-aceton</loc><lastmod>2026-01-09T15:20:06.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8967757/lens</loc><lastmod>2026-01-09T15:20:06.112Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/691/large_smg00452690.jpg</image:loc><image:title>Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443829/iron-chain</loc><lastmod>2026-01-09T15:20:06.112Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/553/large_smg00447936.jpg</image:loc><image:title>Iron Chain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447887/computer-cable</loc><lastmod>2026-01-09T15:20:06.613Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/702/large_smg00447490.jpg</image:loc><image:title>Computer Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47389/two-pairs-of-folding-trestles</loc><lastmod>2026-01-09T15:20:07.163Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47478/eight-swages-one-swage-frame-and-five-upper-components-of-swages</loc><lastmod>2026-01-09T15:20:07.163Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47935/glass-panes-from-workshop</loc><lastmod>2026-01-09T15:20:06.613Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054594/blister-pack-of-10-resocin-tablets</loc><lastmod>2026-01-09T15:20:07.163Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448565/fossil</loc><lastmod>2026-01-09T15:20:07.187Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co53554/mouse-for-ferranti-freescan-digitiser</loc><lastmod>2026-01-09T15:20:06.613Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/359/515/large_smg00176672.jpg</image:loc><image:title>Mouse for Ferranti Freescan digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705881/test-sieve-by-n-greening-and-sons-ltd</loc><lastmod>2026-01-09T15:20:07.163Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443984/thread-cutting-tools-in-wooden-box</loc><lastmod>2026-01-09T15:20:07.187Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/987/large_smg00447943.jpg</image:loc><image:title>Thread Cutting Tools in Wooden Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47480/two-pairs-of-discs-for-bottoming-machine</loc><lastmod>2026-01-09T15:20:07.307Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054577/ovulen-tablets-by-searle-india-ltd</loc><lastmod>2026-01-09T15:20:07.187Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705856/coal-mining-pliers</loc><lastmod>2026-01-09T15:20:07.307Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57216/twin-zeiss-ikon-stereo-cameras</loc><lastmod>2026-01-09T15:20:07.307Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/885/large_smg00175330.jpg</image:loc><image:title>Twin Zeiss Ikon stereo cameras</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973260/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:07.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/239/large_smg00449721.jpg</image:loc><image:title>DALLON Tele-anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705880/test-sieve-by-n-greening-and-sons-ltd-079mm</loc><lastmod>2026-01-09T15:20:07.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444183/single-ended-wrench</loc><lastmod>2026-01-09T15:20:08.078Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/555/large_smg00447938.jpg</image:loc><image:title>Single-ended Wrench</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835308/removable-panel-for-arriflex-35mm-cine-camera</loc><lastmod>2026-01-09T15:20:08.307Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/122/large_smg00356808.jpg</image:loc><image:title>Removable Panel for Arriflex 35mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8696871/black-poppy-seeds-used-in-edinburgh-materia-medica-lectures</loc><lastmod>2026-01-09T15:20:07.741Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054047/sterile-water-diluent</loc><lastmod>2026-01-09T15:20:08.078Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054590/enteroguanidine-tablets-by-albert-david-ltd</loc><lastmod>2026-01-09T15:20:07.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47474/hatchet-soldering-bolt</loc><lastmod>2026-01-09T15:20:08.590Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co53542/digitising-table-white-board-for-ferranti-freescan-digitiser</loc><lastmod>2026-01-09T15:20:08.590Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711548/gas-cap-demonstrator-coal-mining</loc><lastmod>2026-01-09T15:20:08.963Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442845/bottle-of-max-factor-hairpiece-adhesive</loc><lastmod>2026-01-09T15:20:08.307Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973277/rapud-rectilinear-lens</loc><lastmod>2026-01-09T15:20:08.307Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/119/large_smg00452813.jpg</image:loc><image:title>Rapud Rectilinear Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8696869/glass-storage-cylinder-containing-black-poppy-seeds</loc><lastmod>2026-01-09T15:20:08.590Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57222/selenium-photocells-by-megatron-ltd</loc><lastmod>2026-01-09T15:20:08.963Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/263/large_smg00052893.jpg</image:loc><image:title>Selenium photocells by Megatron Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054659/china-a-glass-phial-of-homeopathic-medicine-by-bhandari-store</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443879/leaflet-for-sashalite-flash-bulb</loc><lastmod>2026-01-09T15:20:08.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705676/coal-mining-brick</loc><lastmod>2026-01-09T15:20:08.590Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447888/two-metal-tapes</loc><lastmod>2026-01-09T15:20:08.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47943/hand-screws-tapped-plates-and-coach-screws-and-bolts</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835304/two-ground-glasses-for-arriflex-35mm-cine-camera</loc><lastmod>2026-01-09T15:20:08.590Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/125/large_smg00356811.jpg</image:loc><image:title>Two Ground Glasses for Arriflex 35mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054582/tin-of-amulspray-milk-formula-india-1980</loc><lastmod>2026-01-09T15:20:08.963Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/large_1981_1493_0003.jpg</image:loc><image:title>Tin of &apos;Amulspray&apos; milk formula, India, 1980</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443861/spanner</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/141/large_y2002_0019_cm56__0001_.jpg</image:loc><image:title>Spanner</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/142/large_y2002_0019_cm56__0002_.jpg</image:loc><image:title>Spanner</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/143/large_y2002_0019_cm56__0003_.jpg</image:loc><image:title>Spanner</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57229/spider-web-forks-in-envelope</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/860/large_smg00173811.jpg</image:loc><image:title>Spider-web forks in envelope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699032/bottle-for-rtaric-a-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:09.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448811/front-license-plate-for-post-office-television-detector-van</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444201/tap-handle</loc><lastmod>2026-01-09T15:20:09.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/540/large_smg00447923.jpg</image:loc><image:title>Tap Handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442843/bottle-of-stalins-mustache</loc><lastmod>2026-01-09T15:20:09.950Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8707179/english-electric-automatic-firedamp-detector</loc><lastmod>2026-01-09T15:20:09.654Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443849/double-ended-wrench</loc><lastmod>2026-01-09T15:20:09.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/542/large_smg00447925.jpg</image:loc><image:title>Double-ended Wrench</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444205/iron-rod-with-ring-bolt</loc><lastmod>2026-01-09T15:20:09.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/550/large_smg00447933.jpg</image:loc><image:title>Iron Rod with Ring Bolt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443839/cast-iron-machine-component</loc><lastmod>2026-01-09T15:20:09.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/534/large_smg00447917.jpg</image:loc><image:title>Cast Iron Machine Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185398/mervyn-unisphere-mirror-drum-television</loc><lastmod>2026-01-09T15:20:09.654Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/816/large_smg00356019.jpg</image:loc><image:title>Mervyn Unisphere Mirror Drum Television</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711555/cronton-colliery-number-1-shaft-sign</loc><lastmod>2026-01-09T15:20:09.654Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699045/pieces-of-oak-and-chamois-leather-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:10.264Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57197/maksutov-reflecting-telescope</loc><lastmod>2026-01-09T15:20:09.950Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co446793/dall-kirkham-cassegrain-reflecting-telescope</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47945/circular-flanging-machine-with-hand-winch</loc><lastmod>2026-01-09T15:20:10.691Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054653/aconite-nap</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47494/three-hatchet-stakes</loc><lastmod>2026-01-09T15:20:10.770Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/846/large_smg00360379.jpg</image:loc><image:title>Three Hatchet Stakes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054421/box-for-von-pirquets-tuberculin-test-london-england-1910-1914</loc><lastmod>2026-01-09T15:20:10.691Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/100/large_1981_1681_0001__0003_.jpg</image:loc><image:title>Box for von Pirquet&apos;s tuberculin test, London, England, 1910-1914</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/98/large_1981_1681_0001__0001_.jpg</image:loc><image:title>Box for von Pirquet&apos;s tuberculin test, London, England, 1910-1914</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443848/wrench-handle</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/995/large_smg00447966.jpg</image:loc><image:title>Wrench Handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57231/drawing-board</loc><lastmod>2026-01-09T15:20:10.691Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/256/large_smg00052886.jpg</image:loc><image:title>Drawing-board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054586/uni-thiben-tablets-by-unichem-laboratories-ltd</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47942/an-agate-set-in-an-iron-holder-and-iron-components</loc><lastmod>2026-01-09T15:20:11.151Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448783/coal-weighing-scales</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/952/large_smg00356058.jpg</image:loc><image:title>Coal Weighing Scales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973279/lens-by-wray-london</loc><lastmod>2026-01-09T15:20:11.151Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/288/large_smg00452899.jpg</image:loc><image:title>Lens by Wray London</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973304/brass-mounted-lens</loc><lastmod>2026-01-09T15:20:10.691Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/297/large_smg00452908.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447900/circuit-board</loc><lastmod>2026-01-09T15:20:10.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/213/large_smg00447496.jpg</image:loc><image:title>Circuit Board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47386/an-iron-cooking-pot-with-cover</loc><lastmod>2026-01-09T15:20:11.151Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973281/ross-symmetrical-lens</loc><lastmod>2026-01-09T15:20:11.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/290/large_smg00452901.jpg</image:loc><image:title>Ross Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57210/graticule-engraver</loc><lastmod>2026-01-09T15:20:11.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444193/machine-component-iron-rod</loc><lastmod>2026-01-09T15:20:11.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/999/large_smg00447970.jpg</image:loc><image:title>Machine Component, Iron Rod</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47511/six-bottom-swages-for-swage-tools</loc><lastmod>2026-01-09T15:20:11.151Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/847/large_smg00360383.jpg</image:loc><image:title>Six Bottom Swages for Swage Tools</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8709533/sign-first-aid-equipment</loc><lastmod>2026-01-09T15:20:11.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47531/bending-rolls-for-channel</loc><lastmod>2026-01-09T15:20:11.151Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/746/large_smg00360578.jpg</image:loc><image:title>Bending Rolls for Channel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8707186/rope-sample</loc><lastmod>2026-01-09T15:20:11.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054605/brown-glass-bottle-of-santevini-tonic-by-sandoz-ltd</loc><lastmod>2026-01-09T15:20:11.572Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8697049/beige-or-brown-object-resembling-a-staircase-taken-from-miniature-hospital</loc><lastmod>2026-01-09T15:20:12.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/468/747/large_smg00269920.jpg</image:loc><image:title>Beige or brown object resembling a staircase. Taken from miniature hospital</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835263/accessories-case-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:20:12.137Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/119/large_smg00356805.jpg</image:loc><image:title>Accessories Case for Newman Sinclair NS400 Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co45985/saddlers-straight-wooden-loop-stick-short</loc><lastmod>2026-01-09T15:20:12.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/79/large_smg00066644.jpg</image:loc><image:title>Saddler&apos;s straight wooden loop stick (short).</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47503/two-spout-stakes</loc><lastmod>2026-01-09T15:20:12.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/842/large_smg00360375.jpg</image:loc><image:title>Two Spout Stakes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8187104/magic-lantern-projector</loc><lastmod>2026-01-09T15:20:12.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/278/large_smg00356991.jpg</image:loc><image:title>Magic lantern projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8180402/articulated-skeleton</loc><lastmod>2026-01-09T15:20:12.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47498/mallet</loc><lastmod>2026-01-09T15:20:12.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/838/large_smg00360371.jpg</image:loc><image:title>Mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8697487/lid-for-albarello-jar</loc><lastmod>2026-01-09T15:20:13.024Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co178079/artery-forceps</loc><lastmod>2026-01-09T15:20:12.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8710776/miners-hall-notice-board</loc><lastmod>2026-01-09T15:20:12.995Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054648/kali-phos-6x</loc><lastmod>2026-01-09T15:20:13.024Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co178713/tin-of-mustard-plaster-seabury-and-johnson</loc><lastmod>2026-01-09T15:20:13.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/288/large_smg00091838.jpg</image:loc><image:title>Tin of mustard plaster, Seabury and Johnson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973240/dallon-tele-anastigma-lens</loc><lastmod>2026-01-09T15:20:13.224Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/625/large_smg00452160.jpg</image:loc><image:title>DALLON Tele-anastigma Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8041570/sample-of-cable-rated-at-500-volts</loc><lastmod>2026-01-09T15:20:13.224Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444187/machine-tool</loc><lastmod>2026-01-09T15:20:13.024Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/559/large_smg00447942.jpg</image:loc><image:title>Machine Tool</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054635/garlic-pearls-an-ayurveda-medicine-see-cutting-which-is-explanatory</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442729/electrical-meter-reader</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/428/large_smg00449766.jpg</image:loc><image:title>Electrical Meter Reader</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973282/six-inch-concentric-lens</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/291/large_smg00452902.jpg</image:loc><image:title>Six Inch Concentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8053978/epidural-block-pack-england-1977</loc><lastmod>2026-01-09T15:20:13.224Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/70/172/large_1981_1554_0001.jpg</image:loc><image:title>Epidural block pack, England, 1977</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/466/918/large_smg00161594.jpg</image:loc><image:title>Epidural block pack, England, 1977</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47508/groove-punch</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/841/large_smg00360374.jpg</image:loc><image:title>Groove Punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47507/nineteen-various-punches-for-hand-use</loc><lastmod>2026-01-09T15:20:12.995Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/840/large_smg00360373.jpg</image:loc><image:title>Nineteen Various Punches for Hand Use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705716/sign-notice-no-unauthorised-person</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447874/rescue-container-for-boothstown-rescue-station</loc><lastmod>2026-01-09T15:20:13.224Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/94/large_smg00451268.jpg</image:loc><image:title>Rescue Container for Boothstown Rescue Station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8965303/anastigmat-lens</loc><lastmod>2026-01-09T15:20:14.036Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/696/large_smg00452736.jpg</image:loc><image:title>Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57189/maksutov-reflecting-telescope</loc><lastmod>2026-01-09T15:20:13.563Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444041/wooden-pit-prop</loc><lastmod>2026-01-09T15:20:13.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/994/large_smg00447950.jpg</image:loc><image:title>Wooden Pit Prop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8838300/bsb-marcopolo-1-hughes-hs-376-satellite-superimposed-over-british-flag-pin</loc><lastmod>2026-01-09T15:20:14.036Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447886/computer-cable</loc><lastmod>2026-01-09T15:20:14.586Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/701/large_smg00447489.jpg</image:loc><image:title>Computer Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47948/wooden-patterns-for-cast-iron-blocks-and-iron-block</loc><lastmod>2026-01-09T15:20:14.690Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054639/homeopathic-medicine-nat-phos-6x-calcutta-india-1975-1980</loc><lastmod>2026-01-09T15:20:13.992Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/large_1981_1397_0065.jpg</image:loc><image:title>Homeopathic medicine &apos;Nat Phos 6x&apos;, Calcutta, India, 1975-1980</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co57202/subminiature-foucault-knife-edge-tester</loc><lastmod>2026-01-09T15:20:14.690Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/273/large_smg00052906.jpg</image:loc><image:title>Subminiature Foucault knife-edge tester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447897/computer-tapes-and-new-hillman-avenger-sales-training-film-strip</loc><lastmod>2026-01-09T15:20:14.690Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835303/cable-for-zoom-motor</loc><lastmod>2026-01-09T15:20:14.966Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/126/large_smg00356812.jpg</image:loc><image:title>Cable for Zoom Motor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054634/littles-oriental-balm-an-ayurveda-medicine-widely-used-for-muscular-aches</loc><lastmod>2026-01-09T15:20:14.441Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054643/kali-mar-6x</loc><lastmod>2026-01-09T15:20:14.966Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47445/tinplate-box-with-decorative-hand-punches</loc><lastmod>2026-01-09T15:20:14.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/730/351/large_smg00457309.jpg</image:loc><image:title>Tinplate Box with Decorative Hand-Punches.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8964968/taylor-hobson-cooke-anastigmat-lens</loc><lastmod>2026-01-09T15:20:15.637Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/224/large_smg00452583.jpg</image:loc><image:title>Taylor-Hobson Cooke Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8709529/miners-lamp</loc><lastmod>2026-01-09T15:20:15.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973298/rectigraph-lens</loc><lastmod>2026-01-09T15:20:14.966Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/116/large_smg00452809.jpg</image:loc><image:title>&apos;&apos;Rectigraph&apos;&apos; Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443985/hammer-heads-drill-bits-punches-and-chisels</loc><lastmod>2026-01-09T15:20:15.637Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/990/large_smg00447946.jpg</image:loc><image:title>Hammer Heads, Drill Bits, Punches and Chisels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co46879/leg-frames</loc><lastmod>2026-01-09T15:20:15.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47725/pit-saw-with-tiller-and-box</loc><lastmod>2026-01-09T15:20:15.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835243/lens-adaptor-rings-and-lens-cap-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:20:15.566Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/151/large_smg00354367.jpg</image:loc><image:title>Lens Adaptor Rings and Lens Cap for Newman Sinclair NS400 Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442841/bottle-of-silver-hair-gray-by-ben-nye</loc><lastmod>2026-01-09T15:20:15.566Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8707196/knee-pads-coal-mining</loc><lastmod>2026-01-09T15:20:16.082Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47490/two-circular-bottom-stakes</loc><lastmod>2026-01-09T15:20:16.522Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/751/large_smg00360380.jpg</image:loc><image:title>Two Circular Bottom Stakes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co448752/x-ray-photographic-negative-of-wood-samples-1978</loc><lastmod>2026-01-09T15:20:16.522Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/440/43/large_smg00176604.jpg</image:loc><image:title>X-ray photographic negative of wood samples, 1978</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47528/large-bick</loc><lastmod>2026-01-09T15:20:16.522Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/749/large_smg00360581.jpg</image:loc><image:title>Large Bick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054627/sanjiwani-bati-baidyanath-an-ayurveda-medicine</loc><lastmod>2026-01-09T15:20:16.082Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699981/vial-of-morphine-sulphate-and-atropine-sulphate</loc><lastmod>2026-01-09T15:20:16.637Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699033/bottle-for-rb-of-potash-bonate-of-po-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:16.082Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47963/two-pairs-of-scotch-hand-shears</loc><lastmod>2026-01-09T15:20:16.637Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835246/detachable-panel-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:20:16.082Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/148/large_smg00354364.jpg</image:loc><image:title>Detachable Panel for Newman Sinclair NS400 Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054650/pulsatilla-a-glass-phial-of-homeopathic-medicine-by-bhandari-store</loc><lastmod>2026-01-09T15:20:16.637Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054638/nat-mur-6x</loc><lastmod>2026-01-09T15:20:16.611Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705756/label-for-miniature-hospital</loc><lastmod>2026-01-09T15:20:16.522Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443824/curbing-ring</loc><lastmod>2026-01-09T15:20:17.471Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/993/large_smg00447949.jpg</image:loc><image:title>Curbing Ring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47495/stake</loc><lastmod>2026-01-09T15:20:17.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/843/large_smg00360376.jpg</image:loc><image:title>Stake</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47491/four-swaging-stakes</loc><lastmod>2026-01-09T15:20:17.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/848/large_smg00360386.jpg</image:loc><image:title>Four Swaging Stakes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co48090/photograph-old-tin-smiths-shop</loc><lastmod>2026-01-09T15:20:17.471Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9354379/coat-worn-by-ferranti-worker</loc><lastmod>2026-01-09T15:20:17.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/130/large_cd0622_002_100608_1996_10_1434_ferranti_coat.jpg</image:loc><image:title>Coat worn by Ferranti worker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054579/septran-tablets-by-burroughs-welcome-and-co-india-pvt-ltd</loc><lastmod>2026-01-09T15:20:17.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47733/stock-scrapers</loc><lastmod>2026-01-09T15:20:17.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054623/sanjivini-bati-an-ayurveda-medicine-for-many-conditions-including-liver-complaints</loc><lastmod>2026-01-09T15:20:17.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448781/clock</loc><lastmod>2026-01-09T15:20:18.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/534/953/large_smg00356059.jpg</image:loc><image:title>Clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973245/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:20:18.241Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co178073/silver-probe-from-pocket-surgical-instrument-set</loc><lastmod>2026-01-09T15:20:17.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444173/single-ended-wrench</loc><lastmod>2026-01-09T15:20:18.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/552/large_smg00447935.jpg</image:loc><image:title>Single-ended Wrench</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448567/fossil-lepidondendron-bark</loc><lastmod>2026-01-09T15:20:17.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8444012/wooden-pit-prop</loc><lastmod>2026-01-09T15:20:18.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/991/large_smg00447947.jpg</image:loc><image:title>Wooden Pit Prop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co46847/saddlers-34-straight-wooden-loop-stick-long</loc><lastmod>2026-01-09T15:20:18.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/80/large_smg00066645.jpg</image:loc><image:title>Saddler&apos;s 3/4&quot; straight wooden  loop stick (long).</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9351797/leather-hood-and-wooden-frame</loc><lastmod>2026-01-09T15:20:18.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8186274/bang-and-olufsen-beovision-mx2000-colour-television</loc><lastmod>2026-01-09T15:20:18.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/989/large_2000_5028_0001__0007_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/988/large_2000_5028_0001__0006_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/987/large_2000_5028_0001__0005_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/990/large_2000_5028_0001__0001_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/993/large_2000_5028_0001__0003_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/991/large_2000_5028_0001__0002_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/542/992/large_2000_5028_0001__0004_.jpg</image:loc><image:title>Bang and Olufsen Beovision MX2000 Colour Television</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47475/two-stakes</loc><lastmod>2026-01-09T15:20:18.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054040/tetavax-vaccine-lyon-france-1994</loc><lastmod>2026-01-09T15:20:18.241Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/8/large_1994_0168_0002.jpg</image:loc><image:title>&apos;Tetavax&apos; vaccine, Lyon, France, 1994</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/408/548/large_smg00193120.jpg</image:loc><image:title>&apos;Tetavax&apos; vaccine, Lyon, France, 1994</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054601/blister-pack-of-10-pro-banthine-tablets</loc><lastmod>2026-01-09T15:20:18.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054656/kali-mur</loc><lastmod>2026-01-09T15:20:19.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973280/aldis-anastigmat-lens</loc><lastmod>2026-01-09T15:20:19.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/289/smg00452900.jpg</image:loc><image:title>Aldis Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054048/vial-containing-sterile-water-measles-vaccine</loc><lastmod>2026-01-09T15:20:19.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/408/545/large_smg00193117.jpg</image:loc><image:title>Vial containing Sterile Water Measles Vaccine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054422/trial-packaging-for-calmettes-tuberculin-test-london-england-1910-1914</loc><lastmod>2026-01-09T15:20:19.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/99/large_1981_1681_0001__0002_.jpg</image:loc><image:title>Trial packaging for Calmette&apos;s tuberculin test, London, England, 1910-1914</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/4/100/large_1981_1681_0001__0003_.jpg</image:loc><image:title>Trial packaging for Calmette&apos;s tuberculin test, London, England, 1910-1914</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8698771/aluminium-tin-to-contain-40-morphine-hydrochloride-and-ipecac-cough-lozenges</loc><lastmod>2026-01-09T15:20:19.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443872/sashalite-flash-bulb</loc><lastmod>2026-01-09T15:20:19.054Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8186275/bang-and-olufsen-beocord-vhs82-video-recorder-1986</loc><lastmod>2026-01-09T15:20:19.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/902/large_smg00357702.jpg</image:loc><image:title>Bang and Olufsen Beocord VHS82 video recorder, 1986</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442717/electrical-component</loc><lastmod>2026-01-09T15:20:19.576Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/422/large_smg00449760.jpg</image:loc><image:title>Electrical Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47721/lathe-with-uprights-bed-shears-braces-treadle-frame-and-2-poppits-complete-with-iron-fittings-and-wedges</loc><lastmod>2026-01-09T15:20:19.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47631/portable-bellows</loc><lastmod>2026-01-09T15:20:19.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8968888/a-lens</loc><lastmod>2026-01-09T15:20:19.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/693/smg00452731.jpg</image:loc><image:title>A Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442833/bottle-of-boots-insect-repellent</loc><lastmod>2026-01-09T15:20:19.576Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699031/bottle-for-hydrocyanic-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:20.035Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8447872/wooden-and-textile-stretcher</loc><lastmod>2026-01-09T15:20:20.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442820/bottle-of-acetone</loc><lastmod>2026-01-09T15:20:20.035Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47493/pair-of-rolls</loc><lastmod>2026-01-09T15:20:20.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/831/large_smg00360364.jpg</image:loc><image:title>Pair of Rolls</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8697196/steel-canister-containing-five-packets-and-four-tablets-of-ipecacuanha-and-opium-tablets</loc><lastmod>2026-01-09T15:20:20.440Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8566916/bottle-of-compound-codeine-tablets</loc><lastmod>2026-01-09T15:20:20.456Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705762/label-for-miniature-hospital</loc><lastmod>2026-01-09T15:20:20.864Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835309/cable-adapter-for-arriflex-35mm-cine-camera</loc><lastmod>2026-01-09T15:20:20.456Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/121/large_smg00356807.jpg</image:loc><image:title>Cable Adapter for Arriflex 35mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705760/pick-axe</loc><lastmod>2026-01-09T15:20:20.864Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711553/sign-danger-shotfiring-in-progress</loc><lastmod>2026-01-09T15:20:20.440Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8185400/baird-10-mirror-drum-with-twenty-mirrors</loc><lastmod>2026-01-09T15:20:20.744Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/814/large_smg00356017.jpg</image:loc><image:title>Baird 10&quot; Mirror Drum with Twenty Mirrors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47443/heavy-iron-horse-bar</loc><lastmod>2026-01-09T15:20:20.744Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/408/large_smg00447659.jpg</image:loc><image:title>Heavy Iron Horse Bar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8835310/cloth-and-sponge-eyepiece-for-arriflex-35mm-cine-camera</loc><lastmod>2026-01-09T15:20:20.744Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/120/large_smg00356806.jpg</image:loc><image:title>Cloth and Sponge Eyepiece for Arriflex 35mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054574/blister-pack-of-brufen-ibuprofen-tablets</loc><lastmod>2026-01-09T15:20:21.221Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443822/hand-saw</loc><lastmod>2026-01-09T15:20:21.359Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/524/large_smg00447907.jpg</image:loc><image:title>Hand Saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8442719/electrical-component</loc><lastmod>2026-01-09T15:20:21.221Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/424/large_smg00449762.jpg</image:loc><image:title>Electrical Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8443865/cast-iron-machine-component</loc><lastmod>2026-01-09T15:20:21.703Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/530/large_smg00447913.jpg</image:loc><image:title>Cast Iron Machine Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47728/2-light-frame-saws</loc><lastmod>2026-01-09T15:20:21.359Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8697485/albarello-jar-for-poppy-seeds</loc><lastmod>2026-01-09T15:20:21.221Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8699036/bottle-for-calomel-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:20:21.703Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973302/brass-mounted-lens</loc><lastmod>2026-01-09T15:20:21.221Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/294/large_smg00452905.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711592/fire-pump-stirrup-type</loc><lastmod>2026-01-09T15:20:22.312Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054671/iksir-pyorrhoea</loc><lastmod>2026-01-09T15:20:22.312Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8705765/label-for-miniature-hospital</loc><lastmod>2026-01-09T15:20:22.312Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co47496/hammers</loc><lastmod>2026-01-09T15:20:22.324Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/834/large_smg00360367.jpg</image:loc><image:title>Hammers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8054625/ashwagandha-an-ayurveda-medicine-for-digestive-complaints</loc><lastmod>2026-01-09T15:20:22.312Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8697197/steel-canister-containing-a-packet-of-ipecacuanha-and-opium-tablets</loc><lastmod>2026-01-09T15:20:22.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8711493/coal-mining-sign-searching-station</loc><lastmod>2026-01-09T15:20:22.324Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8712189/double-intensifying-screens-part-of-x-ray-installation-london-england-1905-1909</loc><lastmod>2026-01-09T15:20:22.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194232/glass-ampoule-containing-df118-injection</loc><lastmod>2026-01-09T15:20:23.014Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194490/1x10ml-vial-of-cortistab-injection-cortisone-acetate</loc><lastmod>2026-01-09T15:20:23.014Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193047/artificial-ear-drums</loc><lastmod>2026-01-09T15:20:22.589Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194502/carton-with-10-strips-of-4-syndol-tablets</loc><lastmod>2026-01-09T15:20:23.619Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192336/dummy-carton-and-bottle-for-tabloid-sulphonamide-p</loc><lastmod>2026-01-09T15:20:23.189Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/144/large_1976_0630_0013.jpg</image:loc><image:title>Dummy carton and bottle for &apos;Tabloid&apos; sulphonamide-P</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978612/symmetrical-wide-angle-lens</loc><lastmod>2026-01-09T15:20:24.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/790/smg00453330.jpg</image:loc><image:title>Symmetrical Wide Angle Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8981026/ensign-amateur-flashgun</loc><lastmod>2026-01-09T15:20:23.619Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/419/large_smg00453392.jpg</image:loc><image:title>Ensign Amateur Flashgun</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196850/bottle-containing-cascara-sagrada-tablets</loc><lastmod>2026-01-09T15:20:24.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle containing cascara sagrada tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle containing cascara sagrada tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974807/carl-zeiss-tessar-lens</loc><lastmod>2026-01-09T15:20:24.259Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/345/smg00453079.jpg</image:loc><image:title>Carl Zeiss Tessar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63093/cabinet-no3</loc><lastmod>2026-01-09T15:20:25.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194210/blister-pack-of-4-euhypnos-10-mg-capsules-temazepam-stapled-into-card-carton-100-mm-x-80-mm</loc><lastmod>2026-01-09T15:20:24.259Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194209/carton-for-dispensing-individual-tablets-of-equagesic-tablets</loc><lastmod>2026-01-09T15:20:25.098Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192820/pamphlet-for-umedco-medicines</loc><lastmod>2026-01-09T15:20:25.172Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/513/777/large_smg00258645.jpg</image:loc><image:title>Pamphlet for Umedco medicines</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452650/three-in-a-coach-by-two-of-them</loc><lastmod>2026-01-09T15:20:25.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452634/photographic-album-with-views-of-of-singapore-japan-and-north-africa</loc><lastmod>2026-01-09T15:20:26.150Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974560/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:20:27.025Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/319/large_smg00453024.jpg</image:loc><image:title>Kodak Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192679/bottle-containing-100-tablets-of-oscosed-tablets</loc><lastmod>2026-01-09T15:20:27.025Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979644/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:26.150Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/409/large_smg00453375.jpg</image:loc><image:title>Dallon Tele-anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8712188/two-x-ray-exposures-part-of-x-ray-installation-london-england-1905-1909</loc><lastmod>2026-01-09T15:20:27.190Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974578/voigtlander-anastigmat-voigtar-lens</loc><lastmod>2026-01-09T15:20:27.025Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/331/large_smg00453049.jpg</image:loc><image:title>Voigtlander Anastigmat &apos;Voigtar&apos; lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8060426/box-for-mouse-used-with-ferranti-freescan-digitiser</loc><lastmod>2026-01-09T15:20:27.025Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195793/poison-bottle-of-camphorated-tincture-of-opium</loc><lastmod>2026-01-09T15:20:27.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192935/tabloid-soda-mint-tablets</loc><lastmod>2026-01-09T15:20:27.025Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194268/carton-for-100-frisium-capsules-clobazam-in-10-blister-pack-strips-with-7-blister-packs-remaining</loc><lastmod>2026-01-09T15:20:27.341Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976739/brilliant-optical-viewfinder</loc><lastmod>2026-01-09T15:20:28.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/814/large_smg00453229.jpg</image:loc><image:title>Brilliant Optical Viewfinder.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452411/coal-mining-burster</loc><lastmod>2026-01-09T15:20:27.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8059392/sample-of-titanium-dioxide-powder</loc><lastmod>2026-01-09T15:20:29.011Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451232/wicker-basket</loc><lastmod>2026-01-09T15:20:27.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8454372/ambulance-challenge-shield-trophy</loc><lastmod>2026-01-09T15:20:28.890Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67476/mr-sadlers-ascent-with-capt-paget-from-the-mermaid-gardens-hackney</loc><lastmod>2026-01-09T15:20:28.890Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/940/large_1950_0300_0025.jpg</image:loc><image:title>Mr. Sadler&apos;s ascent with Capt. Paget from the Mermaid Gardens, Hackney</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/646/large_smg00003400.jpg</image:loc><image:title>Mr. Sadler&apos;s ascent with Capt. Paget from the Mermaid Gardens, Hackney</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194252/container-of-temazepam-10mg-capsules</loc><lastmod>2026-01-09T15:20:28.843Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195792/bottle-of-camphorated-tincture-of-opium</loc><lastmod>2026-01-09T15:20:27.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8062906/photoflux-type-i-flash-bulb</loc><lastmod>2026-01-09T15:20:28.843Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/853/large_smg00353615.jpg</image:loc><image:title>&apos;Photoflux&apos;  Type I Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8450661/over-speed-indicator-by-heyes-and-co</loc><lastmod>2026-01-09T15:20:28.843Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974515/beck-symmetrical-lens</loc><lastmod>2026-01-09T15:20:29.717Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/760/large_smg00453153.jpg</image:loc><image:title>Beck Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974924/ross-symmetrical-lens-f16-7-fl</loc><lastmod>2026-01-09T15:20:29.011Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/377/smg00453203.jpg</image:loc><image:title>Ross Symmetrical Lens F.16 7&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196215/1x100x100mg-pack-danol-half-strength-capsules-danazol-with-four-x-10-capsule-blister-packs-plus-instruction-packet</loc><lastmod>2026-01-09T15:20:30.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67480/the-descent-of-mr-livingston-on-the-coast-of-baldoyle-co-dublin</loc><lastmod>2026-01-09T15:20:29.717Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/830/large_smg00004213.jpg</image:loc><image:title>The descent of Mr. Livingston on the Coast of Baldoyle, Co Dublin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192926/soloid-carbolic-acid-phenol</loc><lastmod>2026-01-09T15:20:30.806Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194263/125ml-glass-bottle-of-phensedyl-cough-linctus</loc><lastmod>2026-01-09T15:20:29.717Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974806/cp-goerz-tenastigmat-lens</loc><lastmod>2026-01-09T15:20:30.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/344/smg00453078.jpg</image:loc><image:title>C.P. Goerz Tenastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8454206/sample-of-cable-showing-stepped-levels</loc><lastmod>2026-01-09T15:20:30.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193541/12-volt-battery-for-16mm-eclair-cine-camera</loc><lastmod>2026-01-09T15:20:30.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/181/large_smg00446924.jpg</image:loc><image:title>12 volt battery for 16mm Eclair cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975946/symmetrical-lens-f8-8-fl</loc><lastmod>2026-01-09T15:20:30.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/336/large_smg00453063.jpg</image:loc><image:title>Symmetrical Lens F.8 8&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192924/soloid-saline-compound-tablets</loc><lastmod>2026-01-09T15:20:30.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194456/pack-of-2-x-30ml-bottles-in-box-professional-sample-of-dimotane-and-codeine-paediatric-expectorant</loc><lastmod>2026-01-09T15:20:30.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974581/beck-symmetrical-lens</loc><lastmod>2026-01-09T15:20:30.806Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/332/large_smg00453051.jpg</image:loc><image:title>Beck Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974633/zeiss-tessar-lens</loc><lastmod>2026-01-09T15:20:30.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/785/large_smg00453119.jpg</image:loc><image:title>Zeiss Tessar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452454/coverplate-painted-green-and-embossed-with-davis-derby</loc><lastmod>2026-01-09T15:20:31.681Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194230/glass-ampoule-containing-df118-injection</loc><lastmod>2026-01-09T15:20:31.681Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194274/carton-of-100-lorazepam-25mg-tablets-in-blister-pack-strips</loc><lastmod>2026-01-09T15:20:31.681Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452617/to-the-kaieteur-and-back</loc><lastmod>2026-01-09T15:20:32.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8060165/early-air-speed-indicator-one-of-three-examples</loc><lastmod>2026-01-09T15:20:32.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co66118/balloon-over-cliffs</loc><lastmod>2026-01-09T15:20:32.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/785/large_1950_0300_0040.jpg</image:loc><image:title>Balloon over cliffs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979646/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:32.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/410/large_smg00453376.jpg</image:loc><image:title>Dallon Tele-anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978606/brass-mounted-lens</loc><lastmod>2026-01-09T15:20:31.681Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/401/large_smg00453326.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452403/ballot-box-nacods</loc><lastmod>2026-01-09T15:20:31.681Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452643/photographic-album-views-of-new-zealand</loc><lastmod>2026-01-09T15:20:33.386Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194243/glass-bottle-of-40-theamin-and-amytal-b-filled-capsules</loc><lastmod>2026-01-09T15:20:33.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193267/hypontablets-aspirin-codeine-and-caffeine</loc><lastmod>2026-01-09T15:20:33.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452308/stencil-from-astley-green-colliery-ram-south-9</loc><lastmod>2026-01-09T15:20:33.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193275/panadeine-co-tablets-paracetamol-and-codeine-20-tablets-in-blister-packs</loc><lastmod>2026-01-09T15:20:33.386Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451316/wooden-rule</loc><lastmod>2026-01-09T15:20:33.922Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/371/large_cd0674_062_120105_lcmc_t450_wooden_gauge_device.jpg</image:loc><image:title>wooden rule</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8190787/bsb-marcopolo-1-hughes-hs-376-satellite-pin-c1989</loc><lastmod>2026-01-09T15:20:33.922Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8977795/gossen-blendux-the-ombrux-photo-electric-exposure-meter</loc><lastmod>2026-01-09T15:20:33.922Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/202/large_smg00453246.jpg</image:loc><image:title>Gossen Blendux &apos;The Ombrux&apos; photo electric exposure meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192915/soloid-corrosive-sublimate</loc><lastmod>2026-01-09T15:20:33.922Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974573/wide-angle-symmetrical-lens</loc><lastmod>2026-01-09T15:20:33.877Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/476/large_smg00452954.jpg</image:loc><image:title>Wide Angle Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co62384/tube-for-mercury-delay</loc><lastmod>2026-01-09T15:20:33.386Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192948/tabloid-iodicin-capsules</loc><lastmod>2026-01-09T15:20:33.877Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452627/jacksons-photographically-illustrated-album</loc><lastmod>2026-01-09T15:20:33.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193538/eclair-npr-16mm-cine-camera</loc><lastmod>2026-01-09T15:20:35.296Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/149/399/large_a006954b.jpg</image:loc><image:title>Éclair NPR 16mm cine camera</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/150/781/large_a006955b.jpg</image:loc><image:title>Éclair NPR 16mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195807/1ml-ampoule-of-fortral-injection-pentazocine-lactate</loc><lastmod>2026-01-09T15:20:35.296Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196223/glass-bottle-of-50-5-mg-stromba-tablets-stanozolol-with-metal-lid</loc><lastmod>2026-01-09T15:20:35.296Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8059395/sample-of-powder-coating-resin</loc><lastmod>2026-01-09T15:20:35.622Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452625/photographically-illustrated-album-featuring-military-subjects</loc><lastmod>2026-01-09T15:20:35.628Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192911/glass-phial-of-soloid-glucose-litmus-broth</loc><lastmod>2026-01-09T15:20:35.668Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63098/base-unit</loc><lastmod>2026-01-09T15:20:35.668Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194262/glass-bottle-half-full-of-25-mg-fortral-tablets-pentazocine-hydrochloride-84-mm-x-45-mm-x-30-mm</loc><lastmod>2026-01-09T15:20:35.628Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192937/bottle-of-tabloid-quinine-bihydrochloride</loc><lastmod>2026-01-09T15:20:35.628Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8062905/mazda-photo-flash-bulb</loc><lastmod>2026-01-09T15:20:35.668Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974801/dogmar-lens</loc><lastmod>2026-01-09T15:20:37.141Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/347/large_smg00453081.jpg</image:loc><image:title>Dogmar lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974607/anastigmat-lens</loc><lastmod>2026-01-09T15:20:37.380Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/780/large_smg00453114.jpg</image:loc><image:title>Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192906/tabloidpotassium-permanganate</loc><lastmod>2026-01-09T15:20:37.323Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974567/bausch-and-lomb-rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:20:37.496Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/355/smg00453144.jpg</image:loc><image:title>Bausch &amp; Lomb Rapid Rectilinear Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452648/photograph-album-containing-views-of-new-zealand</loc><lastmod>2026-01-09T15:20:37.323Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194222/bottle-of-pholcomed-diabetic-forte-linctus</loc><lastmod>2026-01-09T15:20:38.914Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452420/circular-colliery-ventilation-officers-calculator</loc><lastmod>2026-01-09T15:20:39.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/361/large_cd0627_040_100723_lcmc_colliery_ventilation_officers_calculator.jpg</image:loc><image:title>Circular Colliery Ventilation Officer&apos;s calculator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452628/large-carte-de-visite-album-of-victorian-personalities</loc><lastmod>2026-01-09T15:20:38.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/143/930/26867_3.jpg</image:loc><image:title>Large Carte-de-visite album of Victorian Personalities</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192962/kepler-cod-liver-oil-with-malt-extract-england-1880-1930</loc><lastmod>2026-01-09T15:20:39.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/651/large_1989_0093_0057.jpg</image:loc><image:title>&apos;Kepler&apos; Cod Liver Oil with malt extract, England, 1880-1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974508/beck-primus-lens</loc><lastmod>2026-01-09T15:20:39.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/363/large_smg00453155.jpg</image:loc><image:title>Beck Primus Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8190814/sharp-toothed-retractors</loc><lastmod>2026-01-09T15:20:39.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/340/814/large_smg00055436.jpg</image:loc><image:title>Sharp-toothed retractors</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/340/813/large_smg00055435.jpg</image:loc><image:title>Sharp-toothed retractors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192355/transpulmin-quinine-and-camphor-ampoules</loc><lastmod>2026-01-09T15:20:38.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/large_1979_0464_0010.jpg</image:loc><image:title>&quot;Transpulmin&quot; quinine and camphor ampoules</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978603/brass-mounted-lens</loc><lastmod>2026-01-09T15:20:39.228Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/400/smg00453325.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979643/ikophot-photo-electric-exposure-meter</loc><lastmod>2026-01-09T15:20:38.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/408/large_smg00453374.jpg</image:loc><image:title>Ikophot Photo Electric Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63106/electric-typewriter</loc><lastmod>2026-01-09T15:20:38.874Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196257/1x125ml-bottle-of-largactil-syrup-chlorpromazine-hydrochloride</loc><lastmod>2026-01-09T15:20:39.228Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8450392/ratchet-prop-with-drawer</loc><lastmod>2026-01-09T15:20:39.228Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192329/phial-of-penavlon-penicillin-tablets</loc><lastmod>2026-01-09T15:20:39.228Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/220/143/large_1976_0630_0006__0001_.jpg</image:loc><image:title>Phial of Penavlon penicillin tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192814/bottle-of-dr-j-collis-brownes-chlorodyne</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974927/ross-london-anastigmat-lens</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/764/large_smg00453209.jpg</image:loc><image:title>Ross London anastigmat lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194231/glass-ampoule-containing-df118-injection</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194488/bottle-to-contain-50-depronal-sa-capsules</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194255/carton-and-instruction-leaflet-for-100-distalgesic-co-proxamol-tablets-with-2-blister-packs-of-10-tablets</loc><lastmod>2026-01-09T15:20:40.785Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195787/bottle-controlled-drug-morphine</loc><lastmod>2026-01-09T15:20:40.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192342/container-for-broxil-oral-penicillin-tablets</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/146/large_1976_0630_0019.jpg</image:loc><image:title>Container for &apos;Broxil&apos; oral penicillin tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192333/container-for-tetracycline-capsules</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192335/box-used-for-hypoloid-sulphanilamide</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/219/21/large_1976_0630_0012__0001_.jpg</image:loc><image:title>Box used for &quot;Hypoloid&quot; sulphanilamide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67485/the-nassau-balloon-as-it-ascended-from-norwich</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/968/large_1950_300_0034__0002_.jpg</image:loc><image:title>The Nassau Balloon as it ascended from Norwich#</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/967/large_1950_300_0034__0001_.jpg</image:loc><image:title>The Nassau Balloon as it ascended from Norwich#</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/654/large_smg00003409.jpg</image:loc><image:title>The Nassau Balloon as it ascended from Norwich#</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192359/bottle-containing-tablets-of-aspirin-and-dovers-powder</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194250/plastic-jar-to-contain-100-tuinal-brand-capsules</loc><lastmod>2026-01-09T15:20:40.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192339/bottle-containing-sulphamezathine-tablets</loc><lastmod>2026-01-09T15:20:40.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195033/bottle-of-reactivan-tablets</loc><lastmod>2026-01-09T15:20:40.785Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co198055/glass-bottle-of-dovers-powder</loc><lastmod>2026-01-09T15:20:40.560Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8062903/large-sashalite-long-flash-photo-flash-bulb</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/847/large_smg00353609.jpg</image:loc><image:title>Large Sashalite &apos;Long Flash&apos;  Photo-Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192919/soloid-mercury-oxycyanide-microscopic-stain</loc><lastmod>2026-01-09T15:20:41.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67470/the-perilous-situation-of-major-money-when-he-fell-into-the-sea-with-his-balloon-off-the-coast-of-yarmouth-23rd-july-1785</loc><lastmod>2026-01-09T15:20:42.401Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451323/section-of-telegraph-cable</loc><lastmod>2026-01-09T15:20:42.401Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8450278/panzer-coal-mining-conveyor</loc><lastmod>2026-01-09T15:20:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/527/898/large_smg00214671.jpg</image:loc><image:title>&apos;Panzer&apos; Coal Mining Conveyor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/754/791/large_y2002_0019_t1081_0002__0001_.jpg</image:loc><image:title>&apos;Panzer&apos; Coal Mining Conveyor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co62385/end-unit-for-connecting-sixteen-mercury-delay-tubes</loc><lastmod>2026-01-09T15:20:42.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/427/160/large_smg00017209.jpg</image:loc><image:title>End Unit for connecting sixteen mercury delay tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976060/projection-lens-12-fl</loc><lastmod>2026-01-09T15:20:42.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/340/large_smg00453070.jpg</image:loc><image:title>Projection Lens 12&quot; f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8450369/first-aid-stretcher-case</loc><lastmod>2026-01-09T15:20:42.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/786/large_smg00214839.jpg</image:loc><image:title>First Aid Stretcher Case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196068/1x100x50mg-bottle-in-box</loc><lastmod>2026-01-09T15:20:42.416Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452654/the-horse-in-motion</loc><lastmod>2026-01-09T15:20:42.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/603/large_1990_5037_pb16__0008_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/601/large_1990_5037_pb16__0007_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/600/large_1990_5037_pb16__0006_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/602/large_1990_5037_pb16__0009_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/597/large_1990_5037_pb16__0004_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/605/large_1990_5037_pb16__0011_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/596/large_1990_5037_pb16__0003_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/599/large_1990_5037_pb16__0005_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/604/large_1990_5037_pb16__0010_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/595/large_1990_5037_pb16__0002_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/336/598/large_1990_5037_pb16__0001_.jpg</image:loc><image:title>&apos;The Horse in Motion&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194498/1x3-strip-pack-of-microstix-nitrite-strips</loc><lastmod>2026-01-09T15:20:42.416Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974905/anastigmat-dagor-series-iii-lens</loc><lastmod>2026-01-09T15:20:44.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/743/smg00453098.jpg</image:loc><image:title>Anastigmat &apos;DAGOR&apos; Series III Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452641/unpublished-photographic-album-with-views-of-india</loc><lastmod>2026-01-09T15:20:44.004Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192910/glass-phial-of-soloid-nutrient-agar</loc><lastmod>2026-01-09T15:20:44.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974531/goarz-double-anastigmat-lens</loc><lastmod>2026-01-09T15:20:44.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/362/large_smg00453151.jpg</image:loc><image:title>Goarz Double Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co198740/bottle-controlled-drug-opium</loc><lastmod>2026-01-09T15:20:44.419Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194928/glass-bottle-in-original-carton-of-100-capsules-of-ionamin-30</loc><lastmod>2026-01-09T15:20:44.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975919/rectoplanat-f8-5-fl-lens</loc><lastmod>2026-01-09T15:20:44.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/378/large_smg00453204.jpg</image:loc><image:title>Rectoplanat F.8 5&quot; f.l. Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974605/dallmeyer-stigmatic-lens</loc><lastmod>2026-01-09T15:20:44.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/789/large_smg00453126.jpg</image:loc><image:title>Dallmeyer Stigmatic Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974809/ensign-anastigmat-lens</loc><lastmod>2026-01-09T15:20:44.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/349/large_smg00453083.jpg</image:loc><image:title>Ensign Anastigmat  lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194919/two-litre-amber-glass-bottle-of-actifed-compound-linctus</loc><lastmod>2026-01-09T15:20:44.026Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196214/1x100x200mg-cardboard-carton-of-danol-capsules-danazol-with-53-remaining-54-mm-x-82-mm-x-72-mm</loc><lastmod>2026-01-09T15:20:44.419Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975925/double-anastigmat-lens</loc><lastmod>2026-01-09T15:20:44.004Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/218/large_smg00453294.jpg</image:loc><image:title>Double Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67475/print-plain-james-sadlers-ascent-from-hackney</loc><lastmod>2026-01-09T15:20:45.682Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/939/large_1950_0300_0024.jpg</image:loc><image:title>Print, plain. James Sadler&apos;s ascent from Hackney</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/647/large_smg00003401.jpg</image:loc><image:title>Print, plain. James Sadler&apos;s ascent from Hackney</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451468/haulage-wire</loc><lastmod>2026-01-09T15:20:46.059Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194371/empty-bottle-for-bitrinsic-tablets</loc><lastmod>2026-01-09T15:20:45.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194257/100ml-glass-bottle-of-lomotil-liquid</loc><lastmod>2026-01-09T15:20:45.682Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194272/carton-of-100-lorazepam-1mg-tablets-in-blister-packs</loc><lastmod>2026-01-09T15:20:45.811Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195044/500ml-amber-glass-bottle-with-green-plastic-lid-full-of-syrup-of-red-poppy-bpc-1949-210-mm-x-65-mm-diameter</loc><lastmod>2026-01-09T15:20:46.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192954/tabloid-glycerine-tannin-capsicum-and-blackcurrent-pastilles</loc><lastmod>2026-01-09T15:20:46.484Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978549/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:47.327Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/205/large_smg00453250.jpg</image:loc><image:title>DALLON Tele-Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8059397/sample-powder-coated-steel</loc><lastmod>2026-01-09T15:20:46.059Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/597/large_smg00043039.jpg</image:loc><image:title>Sample, powder coated steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979685/lens</loc><lastmod>2026-01-09T15:20:47.606Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/418/large_smg00453386.jpg</image:loc><image:title>Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452305/paperweight-from-windy-arbour-colliery</loc><lastmod>2026-01-09T15:20:47.814Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976740/direct-vision-viewfinder</loc><lastmod>2026-01-09T15:20:47.814Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/815/large_smg00453230.jpg</image:loc><image:title>Direct Vision Viewfinder.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975929/rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:20:47.606Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/783/large_smg00453295.jpg</image:loc><image:title>Rapid Rectilinear lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452307/coal-tub-motty-no22</loc><lastmod>2026-01-09T15:20:47.814Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195517/glass-bottle-of-dovers-powder</loc><lastmod>2026-01-09T15:20:47.327Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978551/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:20:47.327Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/208/large_smg00453253.jpg</image:loc><image:title>DALLON Tele-Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8981034/stewartry-standard-model-flashgun-for-leica</loc><lastmod>2026-01-09T15:20:47.814Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/754/large_smg00453391.jpg</image:loc><image:title>Stewartry Standard Model Flashgun for Leica</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193265/persomnia-tablets-1-x-24-box</loc><lastmod>2026-01-09T15:20:48.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192623/3-boxes-each-containing-a-tube-of-ophthalmic-cerate-no16b</loc><lastmod>2026-01-09T15:20:48.215Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974398/kodak-duplet-lens</loc><lastmod>2026-01-09T15:20:48.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/318/large_smg00453017.jpg</image:loc><image:title>Kodak Duplet Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194987/container-of-endoxana-tablets</loc><lastmod>2026-01-09T15:20:48.215Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192931/soloid-carbolic-acid</loc><lastmod>2026-01-09T15:20:48.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196055/1x500x025mg-bottle-of-lanoxin-tablets-digoxin</loc><lastmod>2026-01-09T15:20:49.201Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67458/all-on-fire-or-the-doctors-disappointed</loc><lastmod>2026-01-09T15:20:49.201Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/681/large_smg00003438.jpg</image:loc><image:title>All on fire, or the doctors disappointed</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452645/south-american-trip</loc><lastmod>2026-01-09T15:20:50.007Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67457/the-king-and-queen-etc-viewing-a-balloon-let-off-in-a-garden-of-windsor-castle</loc><lastmod>2026-01-09T15:20:49.201Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/134/large_1950_0300_0003__0002_.jpg</image:loc><image:title>The King and Queen etc. viewing a balloon let off in a garden of Windsor Castle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/133/large_1950_0300_0003__0001_.jpg</image:loc><image:title>The King and Queen etc. viewing a balloon let off in a garden of Windsor Castle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451322/section-of-telegraph-cable</loc><lastmod>2026-01-09T15:20:50.007Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196202/plastic-container-for-500-x-10mg-propanolol-tablets</loc><lastmod>2026-01-09T15:20:50.007Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/152/large_1986_1248_0473__0001_.jpg</image:loc><image:title>Plastic container for 500 x 10mg Propanolol tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/153/large_1986_1248_0473__0002_.jpg</image:loc><image:title>Plastic container for 500 x 10mg Propanolol tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/154/large_1986_1248_0473__0003_.jpg</image:loc><image:title>Plastic container for 500 x 10mg Propanolol tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974530/beck-symmetrical-lens</loc><lastmod>2026-01-09T15:20:50.470Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/361/large_smg00453150.jpg</image:loc><image:title>Beck Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974586/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:20:50.470Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/753/smg00453136.jpg</image:loc><image:title>Brass Mounted Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63092/cabinet-no2-for-elliottnrdc-401-computer-mki</loc><lastmod>2026-01-09T15:20:51.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192950/conium-compound-rectal-suppositories</loc><lastmod>2026-01-09T15:20:50.856Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194342/cardboard-carton-for-100-tenuate-dospan-tablets-with-one-blister-pack-of-10-tablets-remaining-63-mm-x-105-mm-x-47-mm</loc><lastmod>2026-01-09T15:20:51.017Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8059396/powder-coated-sample-square-sheet-with-holes</loc><lastmod>2026-01-09T15:20:50.470Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974622/ica-ag-double-anastigmat-hekta-lens</loc><lastmod>2026-01-09T15:20:51.573Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/163/large_smg00453112.jpg</image:loc><image:title>ICA A.G. Double Anastigmat &apos;Hekta&apos; Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67456/a-professor-filling-and-explaining-to-an-audience-the-nature-of-a-balloon</loc><lastmod>2026-01-09T15:20:50.856Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/132/large_1950_0300_0002.jpg</image:loc><image:title>A Professor filling and explaining to an audience the nature of a balloon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974387/anastigmat-lens</loc><lastmod>2026-01-09T15:20:51.860Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/474/large_smg00452952.jpg</image:loc><image:title>Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976385/pathe-freres-projection-lens</loc><lastmod>2026-01-09T15:20:50.856Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/381/smg00453300.jpg</image:loc><image:title>Pathe &apos;&apos;Freres&apos;&apos; projection lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452412/coal-tub-part</loc><lastmod>2026-01-09T15:20:51.573Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/203/354/large_cd0627_028_100723_lcmc_1193_tub_wheels.jpg</image:loc><image:title>coal tub part</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192502/vial-containing-15-tablets-of-combined-analgesic-and-stimulant</loc><lastmod>2026-01-09T15:20:52.508Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67462/print-plain-the-enterprising-lunardis-grand-air-balloon-which-took-its-flight-from-the-artillery-ground</loc><lastmod>2026-01-09T15:20:52.508Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/138/large_1950_0300_0009.jpg</image:loc><image:title>Print, plain. The enterprising Lunardi&apos;s Grand Air Balloon which took its flight from the Artillery ground</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/329/large_smg00001802.jpg</image:loc><image:title>Print, plain. The enterprising Lunardi&apos;s Grand Air Balloon which took its flight from the Artillery ground</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974920/cooke-triplet-lens</loc><lastmod>2026-01-09T15:20:52.508Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/352/smg00453087.jpg</image:loc><image:title>Cooke Triplet Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192597/3-cardboard-boxes-containing-karsodrine-nasal-inhalers-consisting-of-the-active-ingredient-amphetamine</loc><lastmod>2026-01-09T15:20:51.860Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192506/24x25mg-of-distaval-tablets-thalidomide</loc><lastmod>2026-01-09T15:20:53.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/62/503/large_2000_0590__0005_.jpg</image:loc><image:title>24x25mg of Distaval tablets (thalidomide)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8190789/bsb-logo-lapel-badge-c1988</loc><lastmod>2026-01-09T15:20:52.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196858/bottle-containing-potassium-bromide-tablets</loc><lastmod>2026-01-09T15:20:53.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle containing potassium bromide tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle containing potassium bromide tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/840/large_1981_1009_0010__0001_.jpg</image:loc><image:title>Bottle containing potassium bromide tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/839/large_1981_1009_0010__0002_.jpg</image:loc><image:title>Bottle containing potassium bromide tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194356/carton-of-25-phensedyl-cough-capsules</loc><lastmod>2026-01-09T15:20:52.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975924/kodak-anastigmat-f63-55-lens</loc><lastmod>2026-01-09T15:20:53.283Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/794/large_smg00453342.jpg</image:loc><image:title>Kodak Anastigmat F.6.3 5.5&quot; Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194925/glass-bottle-of-15-mg-duromine-capsules-with-metal-lid-65-mm-x-35-mm-diameter</loc><lastmod>2026-01-09T15:20:53.982Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974836/kalostigmat-lens</loc><lastmod>2026-01-09T15:20:54.314Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/746/smg00453103.jpg</image:loc><image:title>Kalostigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196852/bottle-containing-aspirin-tablets</loc><lastmod>2026-01-09T15:20:54.207Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle containing aspirin tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/836/large_1981_1009_0004__0001_.jpg</image:loc><image:title>Bottle containing aspirin tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle containing aspirin tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/835/large_1981_1009_0004__0002_.jpg</image:loc><image:title>Bottle containing aspirin tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974510/contessa-nettel-conastigmat-lens</loc><lastmod>2026-01-09T15:20:54.207Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/490/large_smg00453023.jpg</image:loc><image:title>Contessa Nettel Conastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452303/square-cast-iron-plaque</loc><lastmod>2026-01-09T15:20:53.982Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8190788/bsb-marcopolo-1-hughes-hs-376-satellite-over-union-flag-badge</loc><lastmod>2026-01-09T15:20:54.207Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196150/1x10ml-bottle-in-box</loc><lastmod>2026-01-09T15:20:54.314Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452642/album-of-photographic-views-of-new-zealand-australia-fiji-and-scotland</loc><lastmod>2026-01-09T15:20:53.982Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451348/one-canvas-shaftsman-safety-jacket</loc><lastmod>2026-01-09T15:20:53.982Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194260/glass-bottle-with-metal-lid-half-full-of-equagesic-tablets</loc><lastmod>2026-01-09T15:20:53.982Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192349/bottle-of-soluble-paediatric-aspirin-tablets-prepared-by-arthur-h-cox-and-co-ltd</loc><lastmod>2026-01-09T15:20:55.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194221/physicians-sample-of-pholtex-glass-bottle-with-triangular-cardboard-box</loc><lastmod>2026-01-09T15:20:55.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193414/sample-packet-of-codis</loc><lastmod>2026-01-09T15:20:55.703Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974808/ihagee-kamera-werke-triplex-anastigmat-lens</loc><lastmod>2026-01-09T15:20:54.951Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/748/smg00453105.jpg</image:loc><image:title>IHAGEE Kamera Werke Triplex Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452304/set-of-10-biro-pens-with-safety-theme</loc><lastmod>2026-01-09T15:20:55.703Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co62383/mercury-delay-line-from-leo-i-1950-1965</loc><lastmod>2026-01-09T15:20:54.951Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974672/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:20:56.751Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/161/large_smg00453107.jpg</image:loc><image:title>Kodak Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195809/1x5-vial-pack-of-triplopen-injection-benethamine-penicillin</loc><lastmod>2026-01-09T15:20:55.703Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63096/cabinet-no6</loc><lastmod>2026-01-09T15:20:55.703Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194523/one-1mlx25mg-disposable-syringe-of-durabolin-injection-nandrolone-phenylpropionate</loc><lastmod>2026-01-09T15:20:57.672Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974608/brass-mounted-concentric-lens</loc><lastmod>2026-01-09T15:20:57.619Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/480/large_smg00452958.jpg</image:loc><image:title>Brass Mounted Concentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978593/rapid-paraplanat-lens</loc><lastmod>2026-01-09T15:20:57.672Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/398/large_smg00453323.jpg</image:loc><image:title>Rapid Paraplanat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192340/container-used-for-orbenin-oral-penicillin</loc><lastmod>2026-01-09T15:20:57.535Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452646/album-containing-photographs-of-ceylon-scenery</loc><lastmod>2026-01-09T15:20:57.535Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196855/bottle-containing-soloid-brand-potassium</loc><lastmod>2026-01-09T15:20:57.535Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle containing soloid brand potassium</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle containing soloid brand potassium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196245/bottle-of-lederkyn-tablets</loc><lastmod>2026-01-09T15:20:57.672Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193542/12-volt-battery-for-16mm-eclair-cine-camera</loc><lastmod>2026-01-09T15:20:57.619Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/176/large_smg00446919.jpg</image:loc><image:title>12 volt battery for 16mm Eclair cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452644/studies-of-the-caribbean</loc><lastmod>2026-01-09T15:20:58.515Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974926/rapid-rectilinear-lens-f8-7-fl</loc><lastmod>2026-01-09T15:20:58.515Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194241/carton-containing-three-blister-packets-each-of-10-syndol-analgesic-tablets-height-34-mm-x-width-109-mm-x-depth-48-mm</loc><lastmod>2026-01-09T15:20:58.515Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452616/the-book-of-the-royal-horticultural-society-1862-1863</loc><lastmod>2026-01-09T15:20:59.150Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192912/compressed-tablets-of-soloid-sodium-chloride</loc><lastmod>2026-01-09T15:20:59.167Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974840/aldis-anastigmat-lens</loc><lastmod>2026-01-09T15:20:58.515Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/159/large_smg00453100.jpg</image:loc><image:title>Aldis Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974828/double-anastigmat-tessaplast-lens</loc><lastmod>2026-01-09T15:20:59.167Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/786/large_smg00453121.jpg</image:loc><image:title>Double Anastigmat &apos;Tessaplast&apos; Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452297/plaque-nw-division-area-civil-defense-completion-plaque</loc><lastmod>2026-01-09T15:20:59.167Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976386/symmetrical-projection-lens-f6-300mm-fl</loc><lastmod>2026-01-09T15:20:59.167Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/797/large_smg00453345.jpg</image:loc><image:title>Symmetrical Projection Lens F.6 300mm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co195538/printed-ephemera</loc><lastmod>2026-01-09T15:20:59.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974669/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:21:00.095Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/160/large_smg00453106.jpg</image:loc><image:title>Kodak Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974802/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:20:59.150Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/350/smg00453085.jpg</image:loc><image:title>Kodak Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451385/drill-rod-coal-mining</loc><lastmod>2026-01-09T15:20:59.292Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974804/voigtlander-anastigmat-skopar-lens</loc><lastmod>2026-01-09T15:20:59.167Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/348/large_smg00453082.jpg</image:loc><image:title>Voigtlander Anastigmat Skopar lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co197339/bottle</loc><lastmod>2026-01-09T15:21:00.095Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192909/box-of-dummy-ampoules-of-hypoloid</loc><lastmod>2026-01-09T15:21:00.845Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co61293/bottle-for-floxapen-syrup-flucloxacillin-1976</loc><lastmod>2026-01-09T15:21:00.845Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67489/the-great-balloon</loc><lastmod>2026-01-09T15:21:00.095Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/972/large_1950_300_0038.jpg</image:loc><image:title>The Great Balloon</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/671/large_smg00003428.jpg</image:loc><image:title>The Great Balloon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452651/egypt-through-the-stereoscope</loc><lastmod>2026-01-09T15:21:00.932Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192327/bottle-of-crystallin-penicillin</loc><lastmod>2026-01-09T15:21:00.845Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63097/motor-driven-disk-memory-unit</loc><lastmod>2026-01-09T15:21:00.845Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194499/1x3-strip-pack-of-microstix-nitrite-strips</loc><lastmod>2026-01-09T15:21:01.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974476/busch-rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:21:00.845Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/797/large_smg00453152.jpg</image:loc><image:title>Busch Rapid Rectilinear Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8975950/busch-rapid-aplanat-nr-2-lens</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/784/smg00453296.jpg</image:loc><image:title>Busch Rapid Aplanat Nr. 2 Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451464/fire-bucket-from-windy-arbour-colliery</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451341/gas-canister-coal-mining</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974572/a-stereoscopic-viewer</loc><lastmod>2026-01-09T15:21:04.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192332/packet-containing-kelfizine-tablet</loc><lastmod>2026-01-09T15:21:02.648Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194213/blister-pack-of-two-20mg-euhypnos-forte-capsules-temazepam</loc><lastmod>2026-01-09T15:21:04.191Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974529/contessa-nettel-conastigmat-lens</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/488/large_smg00453021.jpg</image:loc><image:title>Contessa Nettel Conastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194926/glass-bottle-with-metal-screw-top-of-30-mg-duromine-capsules</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192946/tabloid-terebene-capsules</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193536/16-volt-battery</loc><lastmod>2026-01-09T15:21:02.449Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/344/large_smg00446754.jpg</image:loc><image:title>16 volt battery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196123/1x1000-container-of-ferroud-sulphate-compound-tablets-bpc</loc><lastmod>2026-01-09T15:21:05.308Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67479/the-balloon-in-which-mr-livingston-descended-on-the-coast-of-baldoyle</loc><lastmod>2026-01-09T15:21:05.308Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/943/large_1950_0300_0028.jpg</image:loc><image:title>The balloon in which Mr. Livingston descended on the coast of Baldoyle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/670/large_smg00003427.jpg</image:loc><image:title>The balloon in which Mr. Livingston descended on the coast of Baldoyle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978552/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:21:05.048Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/209/large_smg00453254.jpg</image:loc><image:title>DALLON Tele-Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63107/manuals-and-documentation</loc><lastmod>2026-01-09T15:21:05.308Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67473/the-ascent-of-mr-sadler-from-merton-fields</loc><lastmod>2026-01-09T15:21:05.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/938/large_1950_0300_0022.jpg</image:loc><image:title>The Ascent of Mr Sadler from Merton Fields</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/649/large_smg00003404.jpg</image:loc><image:title>The Ascent of Mr Sadler from Merton Fields</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196857/bottle-for-dover-powder</loc><lastmod>2026-01-09T15:21:05.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle for Dover Powder</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle for Dover Powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193509/drinamyl-tablets</loc><lastmod>2026-01-09T15:21:06.882Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63102/air-filters</loc><lastmod>2026-01-09T15:21:06.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192908/dummy-ampoule-of-neostam</loc><lastmod>2026-01-09T15:21:07.098Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192947/tabloid-sandal-wood-oil-capsules</loc><lastmod>2026-01-09T15:21:06.882Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194640/piriton-spandets</loc><lastmod>2026-01-09T15:21:07.098Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974322/dallon-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:21:06.882Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/113/large_smg00452806.jpg</image:loc><image:title>Dallon Tele-Anastigmat  Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192490/7-dexedrine-slow-release-spansules-containing-10-mg-of-the-active-ingredient-dexamphetamine</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452653/reserches-on-light</loc><lastmod>2026-01-09T15:21:09.381Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67478/sadlers-balloon-erin-go-brah</loc><lastmod>2026-01-09T15:21:09.381Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/942/large_1950_0300_0027.jpg</image:loc><image:title>Sadler&apos;s balloon, &apos;Erin-go-Brah&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/644/large_smg00003398.jpg</image:loc><image:title>Sadler&apos;s balloon, &apos;Erin-go-Brah&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67486/lithograph-weymouth-north-view</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/216/969/large_1950_300_0035.jpg</image:loc><image:title>Lithograph, Weymouth, North view</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/662/large_smg00003417.jpg</image:loc><image:title>Lithograph, Weymouth, North view</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192324/avlon-buffered-crystalline-penicillin</loc><lastmod>2026-01-09T15:21:09.404Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/41/261/large_1976_0630_0001.jpg</image:loc><image:title>&quot;Avlon&quot; buffered crystalline penicillin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192338/bottle-for-dalacin-c-antibiotic-tablets</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/145/large_1976_0630_0015.jpg</image:loc><image:title>Bottle for Dalacin C antibiotic tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976348/an-f-faliez-objectif-cinema-siamor-projection-lens</loc><lastmod>2026-01-09T15:21:09.620Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/736/large_smg00453090.jpg</image:loc><image:title>An F. Faliez Objectif Cinema Siamor Projection Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192929/dummy-ampoule-of-neokharsivan-novarsenobenzol</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979651/tempophot-photo-electric-exposure-meter</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/414/large_smg00453380.jpg</image:loc><image:title>Tempophot Photo-electric Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192918/soloid-eosin-azur-microscopic-stain</loc><lastmod>2026-01-09T15:21:09.620Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192956/tin-of-tabloid-linseed-liquorice-and-chlorodyne-pastilles</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194354/plastic-canister-to-contain-100-x-codein-phosphate-tablets</loc><lastmod>2026-01-09T15:21:09.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192920/soloid-neutral-red-microscopic-stain</loc><lastmod>2026-01-09T15:21:10.925Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451321/section-of-telegraph-cable</loc><lastmod>2026-01-09T15:21:11.150Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974569/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:21:11.150Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/356/large_smg00453145.jpg</image:loc><image:title>Kodak Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8450353/props-from-the-wombles-madame-cholets-kitchen</loc><lastmod>2026-01-09T15:21:10.925Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8452498/roof-convergence-recorder</loc><lastmod>2026-01-09T15:21:11.150Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451315/steel-toe-capped-clogs-used-at-sandhole-colliery</loc><lastmod>2026-01-09T15:21:12.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/129/242/large_cd0675_032_120105_lcmc_t1874_miners_clogs.jpg</image:loc><image:title>Steel toe-capped clogs used at Sandhole Colliery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974631/zeiss-tessar-lens</loc><lastmod>2026-01-09T15:21:12.700Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/156/large_smg00453075.jpg</image:loc><image:title>Zeiss Tessar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co193487/primodian-depot-ampoule</loc><lastmod>2026-01-09T15:21:12.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192331/bottle-of-sulphamezathine-antibiotic</loc><lastmod>2026-01-09T15:21:12.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/143/large_1976_0630_0008.jpg</image:loc><image:title>Bottle of &apos;sulphamezathine&apos; antibiotic</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194497/1x3-strip-pack-of-microstix-nitrite-strips</loc><lastmod>2026-01-09T15:21:12.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8979668/the-pullman-changing-box</loc><lastmod>2026-01-09T15:21:12.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/415/large_smg00453381.jpg</image:loc><image:title>The Pullman Changing Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194352/metal-canister-with-metal-screw-cap</loc><lastmod>2026-01-09T15:21:10.972Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co63105/engineers-test-unit</loc><lastmod>2026-01-09T15:21:12.700Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194278/amber-glass-bottle-with-metal-lid-half-full-of-400-mg-equanil-tablets-meprobamate</loc><lastmod>2026-01-09T15:21:12.700Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co67460/print-coloured</loc><lastmod>2026-01-09T15:21:12.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192819/ornate-prescription-and-advertising-envelope-of-matthew-carmichael</loc><lastmod>2026-01-09T15:21:12.700Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974579/beck-symmetrical-lens</loc><lastmod>2026-01-09T15:21:13.869Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/333/large_smg00453052.jpg</image:loc><image:title>Beck Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8978607/brass-mounted-lens</loc><lastmod>2026-01-09T15:21:14.089Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/402/large_smg00453327.jpg</image:loc><image:title>Brass Mounted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8976378/projection-lens-f4-200mm-fl</loc><lastmod>2026-01-09T15:21:14.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/338/large_smg00453068.jpg</image:loc><image:title>Projection Lens f.4 200mm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194357/carton-with-9-blister-packs-containing-86-capsules-remaining-of-tranxene-75mg-capsules-clorazepate-monopotassium</loc><lastmod>2026-01-09T15:21:14.135Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8974557/rectimat-symmetrical-lens</loc><lastmod>2026-01-09T15:21:14.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/320/large_smg00453025.jpg</image:loc><image:title>Rectimat Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451194/sheet-metal-cutter</loc><lastmod>2026-01-09T15:21:14.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/814/large_smg00214948.jpg</image:loc><image:title>Sheet Metal Cutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192921/10-ampoules-of-hypoloid-quinine-bihydrochloride</loc><lastmod>2026-01-09T15:21:14.096Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451363/stanhope-earpiece-for-wall-telephone</loc><lastmod>2026-01-09T15:21:14.089Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co194924/pack-of-ponderax-pacaps-capsules</loc><lastmod>2026-01-09T15:21:14.089Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863394/book-isaac-newtons-principia-mathematica-vol-i-in-its-first-english-translation</loc><lastmod>2026-01-09T15:21:14.135Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/422/large_smg00256257__0002_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/424/large_smg00256257__0004_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/427/large_smg00256257__0007_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/426/large_smg00256257__0006_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/425/large_smg00256257__0005_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/421/large_smg00256257__0001_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/423/large_smg00256257__0003_.jpg</image:loc><image:title>Book: Isaac Newton&apos;s Principia Mathematica (Vol I) in its first English translation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co196854/bottle-containing-soda-mint-tablets</loc><lastmod>2026-01-09T15:21:14.089Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Bottle containing soda-mint tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Bottle containing soda-mint tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/837/large_1981_1009_0006__0002_.jpg</image:loc><image:title>Bottle containing soda-mint tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/838/large_1981_1009_0006__0001_.jpg</image:loc><image:title>Bottle containing soda-mint tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989777/camera-back</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/855/large_smg00453983.jpg</image:loc><image:title>Camera Back</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199869/glass-bottle-for-potassium-chloride</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075905/photograph-of-two-maori-people-using-a-fire-plough-aotearoa-new-zealand</loc><lastmod>2026-01-09T15:21:15.437Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/948/large_smg00225374.jpg</image:loc><image:title>Photograph of two Maori people using a fire-plough, Aotearoa, New Zealand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076540/tinder-box</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/732/large_smg00207795.jpg</image:loc><image:title>Tinder box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076167/fire-steel-length-2-58-ins-of-cast-steel-slender</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/62/large_smg00207855.jpg</image:loc><image:title>Fire-steel (length 2 5/8 ins) of cast steel; slender</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076630/tinder-bag-of-leather</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/504/large_smg00210869.jpg</image:loc><image:title>Tinder Bag of Leather</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076181/fire-steel-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/674/large_smg00307918.jpg</image:loc><image:title>Fire-steel combined with ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993503/santa-cape-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.437Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989603/j-lizars-challenge-bag-type-changing-box</loc><lastmod>2026-01-09T15:21:15.437Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/917/large_smg00454075.jpg</image:loc><image:title>J. Lizars Challenge Bag-Type Changing Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076131/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077042/two-vesta-matches-length-2-38-ins-of-wax-one-red</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457938/model-head-of-the-reptile</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/443/large_2000_5000_0017__0004_.jpg</image:loc><image:title>Model head of &apos;The Reptile&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/439/large_2000_5000_0017__0001_.jpg</image:loc><image:title>Model head of &apos;The Reptile&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/440/large_2000_5000_0017__0003_.jpg</image:loc><image:title>Model head of &apos;The Reptile&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/441/large_2000_5000_0017__0002_.jpg</image:loc><image:title>Model head of &apos;The Reptile&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076264/fire-steel-forming-back-of-bone-handled-pocket-knife-length-3-14-ins</loc><lastmod>2026-01-09T15:21:15.437Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/882/large_smg00225322.jpg</image:loc><image:title>Fire-steel forming back of bone-handled pocket-knife (length 3 1/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065606/pair-of-curved-steel-surgical-scissors</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985157/a-stereoscopic-viewer-made-of-walnut</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076221/fire-steel-length-3-78-ins</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/93/large_smg00207887.jpg</image:loc><image:title>Fire-steel (length 3 7/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075922/one-of-a-group-of-various-worked-flints-made-at-valona</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993480/tracksuit-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993610/swimming-trunks-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993558/red-shorts-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076883/reproduction-lorenzs-diagram-of-patent-electro-pneumatic-lamp</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076784/tinder-pistol-brass-stock-marked-evk</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/951/large_smg00297383.jpg</image:loc><image:title>Tinder Pistol, Brass stock, marked E.V.K.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993454/black-pirate-hat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076650/tinder-bag-brown-cloth-with-red-piping</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/840/large_smg00297176.jpg</image:loc><image:title>Tinder Bag, Brown Cloth with red piping.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076848/tinder-tube-length-2-58-ins-of-silver-steel-thick-and-clamped-to-side-by-a-catch</loc><lastmod>2026-01-09T15:21:15.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076943/a-lighter-length-3-ins-in-form-of-a-heavy-shell-body-enamelled-bright-blue-with-band-of-brass</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/327/large_smg00210938.jpg</image:loc><image:title>A Lighter (length 3 ins) in form of a heavy shell; body enamelled bright blue with band of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076110/fire-steel-length-3-34-ins-of-unusual-and-ornamental-type-striking-face-curved</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/884/large_smg00225324.jpg</image:loc><image:title>Fire-steel (length 3 3/4 ins) of unusual and ornamental type; striking-face curved</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993579/sheer-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:15.564Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076902/instantaneous-light-box</loc><lastmod>2026-01-09T15:21:15.652Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/415/large_smg00211038.jpg</image:loc><image:title>Instantaneous Light Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076335/tinder-box-length-15-ins-of-wood</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/620/large_smg00297231.jpg</image:loc><image:title>Tinder-box (length 15 ins) of wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076149/one-of-nine-fire-steels</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993537/pajama-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863376/book-with-works-from-the-worlds-greatest-thinkers-on-physics-astronomy-and-mathematics-including-the-chapter-by-hawking-black-holes-aint-so-black</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/782/large_smg00256286__0002_.jpg</image:loc><image:title>Book with works from the world&apos;s greatest thinkers on physics, astronomy and mathematics including the chapter by Hawking &apos;Black Holes ain&apos;t so Black&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/781/large_smg00256286__0001_.jpg</image:loc><image:title>Book with works from the world&apos;s greatest thinkers on physics, astronomy and mathematics including the chapter by Hawking &apos;Black Holes ain&apos;t so Black&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/785/large_smg00256286__0005_.jpg</image:loc><image:title>Book with works from the world&apos;s greatest thinkers on physics, astronomy and mathematics including the chapter by Hawking &apos;Black Holes ain&apos;t so Black&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/783/large_smg00256286__0003_.jpg</image:loc><image:title>Book with works from the world&apos;s greatest thinkers on physics, astronomy and mathematics including the chapter by Hawking &apos;Black Holes ain&apos;t so Black&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/784/large_smg00256286__0004_.jpg</image:loc><image:title>Book with works from the world&apos;s greatest thinkers on physics, astronomy and mathematics including the chapter by Hawking &apos;Black Holes ain&apos;t so Black&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076067/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076620/tinder-bag-in-form-of-a-pocket-length-3-14-ins-of-hand-worked-tapestry</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/401/large_smg00211014.jpg</image:loc><image:title>Tinder-bag in form of a pocket (length 3 1/4 ins) of hand-worked tapestry</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984054/rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/213/smg00214779.jpg</image:loc><image:title>Rapid Rectilinear Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076689/mechang-pouch-chuckmuck-tibet</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/903/large_smg00225282.jpg</image:loc><image:title>Mechang pouch (chuckmuck), Tibet</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/943/large_smg00225282.jpg</image:loc><image:title>Mechang pouch (chuckmuck), Tibet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984455/bag-of-34-assorted-lens</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075972/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/876/large_smg00225316.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076503/tinder-box-length-1-12-in-of-silver-rectangular-nearly-square</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/241/large_smg00210749.jpg</image:loc><image:title>Tinder-box (length 1 1/2 in) of silver; rectangular (nearly square)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993576/black-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076973/metal-tubular-pocket-flint-lighter</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/340/large_smg00210951.jpg</image:loc><image:title>Metal Tubular Pocket Flint Lighter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863702/thank-you-card-for-attending-stephen-hawking-circle-dinner-2015</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/255/large_smg00256355__0004_.jpg</image:loc><image:title>Thank you card for attending Stephen Hawking Circle Dinner, 2015</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/252/large_smg00256355__0001_.jpg</image:loc><image:title>Thank you card for attending Stephen Hawking Circle Dinner, 2015</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076461/tinder-box-length-2-14-ins-similar-to-above-no-700</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/932/large_smg00207739.jpg</image:loc><image:title>Tinder-box (length 2 1/4 ins); similar to above (no. 700)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200372/bottle-full-of-dover-powder-tablets</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863706/stool-from-window-table</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/893/large_smg00255963__0004_.jpg</image:loc><image:title>Stool from window table</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/890/large_smg00255963__0001_.jpg</image:loc><image:title>Stool from window table</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/891/large_smg00255963__0002_.jpg</image:loc><image:title>Stool from window table</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/892/large_smg00255963__0003_.jpg</image:loc><image:title>Stool from window table</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076957/lighter-one-of-eight</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/367/large_smg00210978.jpg</image:loc><image:title>Lighter, one of eight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985429/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/938/large_smg00454101.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8990115/wooden-double-darkslide</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/947/large_smg00454120.jpg</image:loc><image:title>Wooden Double Darkslide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075896/photograph-of-two-natives-of-india-paniyans-of-malabar-making-fire-with-a-simple-fire-saw</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/945/large_smg00225371.jpg</image:loc><image:title>Photograph of two natives of India (Paniyans of Malabar) making fire with a simple fire-saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076420/tinder-box-of-brass</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076388/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/926/large_smg00297350.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076017/fire-steel-english-tang-bent-to-form-a-handle</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/6/large_smg00207825.jpg</image:loc><image:title>Fire Steel, English, Tang bent to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8731136/aerial-for-a510-wireless-station</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/469/580/large_smg00082415.jpg</image:loc><image:title>Aerial for A510 wireless station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075888/thong-fire-drill-and-hearth-port-clarence-alaska</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/986/large_smg00226561.jpg</image:loc><image:title>Thong fire-drill and hearth, Port Clarence, Alaska</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075998/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/940/large_smg00207753.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993341/six-wooden-double-darkslides</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/666/large_smg00454851.jpg</image:loc><image:title>Six Wooden Double Darkslides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993462/black-trainer-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076919/a-promethean-match-length-2-18-ins-of-usual-type</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/335/large_smg00210946.jpg</image:loc><image:title>A Promethean Match (length 2 1/8 ins) of usual type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863397/phd-thesis-by-hawkings-student-gary-gibbons-titled-some-aspects-of-gravitational-radiation-and-gravitational-collapse</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/764/large_smg00256278__0006_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/763/large_smg00256278__0005_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/759/large_smg00256278__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/760/large_smg00256278__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/762/large_smg00256278__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/761/large_smg00256278__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Gary Gibbons, titled: Some aspects of gravitational radiation and gravitational collapse</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985441/camera-straps-and-metal-darkslides</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/906/large_smg00454060.jpg</image:loc><image:title>Camera Straps and Metal Darkslides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076341/tinder-box-of-wood</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/579/large_smg00297206.jpg</image:loc><image:title>Tinder Box of Wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993628/shepherds-crook-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:18.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076029/fire-steel-with-2-tangs-to-form-a-handle</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/198/large_smg00210692.jpg</image:loc><image:title>Fire Steel, with 2 Tangs to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076408/tinder-box-of-brass</loc><lastmod>2026-01-09T15:21:17.074Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/627/large_smg00297238.jpg</image:loc><image:title>Tinder Box of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993609/black-cushion-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:17.085Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993495/black-bow-tie-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077004/metal-pocket-flint-lighter-combined-with-a-pencil-holder</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/309/large_smg00210920.jpg</image:loc><image:title>Metal Pocket flint lighter combined with a pencil holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076319/sulphur-matches-length-7-ins-of-hemp-stalk-made-near-alost</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/841/large_smg00210809.jpg</image:loc><image:title>Sulphur-matches (length 7 ins) of hemp-stalk; made near Alost</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199860/2-glass-phials-containing-pyraz-phenyldin-tablets</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075951/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:18.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/672/large_smg00307916.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076790/tinder-pistol-length-4-14-ins-of-iron</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/958/large_smg00297392.jpg</image:loc><image:title>Tinder-pistol (length 4 1/4 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982572/collection-of-approx-160-pharmaceutical-drugs</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993611/black-military-cap-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076590/armadillo-tail-tinder-tube-length-2-12-ins</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076569/tinder-tube-length-2-ins-of-thick-brass</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/851/large_smg00210819.jpg</image:loc><image:title>Tinder-tube (length 2 ins) of thick brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076946/one-of-three-lighters-of-thin-reeded-brass</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/308/large_smg00210919.jpg</image:loc><image:title>One of three lighters  of thin reeded brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075886/sketch-of-a-thong-fire-drill-in-use</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199578/glass-dispensing-bottle-used-for-colocynth-english-1850-1900</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076039/fire-steel-with-elliptical-shape</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/188/large_smg00210682.jpg</image:loc><image:title>Fire Steel, with elliptical shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076953/one-of-four-lighters</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/378/large_smg00210991.jpg</image:loc><image:title>One of four lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201828/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076272/fire-steel-rectangular-shape</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/176/large_smg00210670.jpg</image:loc><image:title>Fire Steel, Rectangular shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076655/chuckmuck-length-2-38-ins-small</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/910/large_smg00207716.jpg</image:loc><image:title>Chuckmuck (length 2 3/8 ins); small</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199853/clear-glass-phial-for-sodium-carbonate-tablets</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8595567/log-book-for-insulin-and-glucose-levels</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863370/book-on-artificial-intelligence-and-humanity-reviewed-by-stephen-hawking</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/801/large_smg00256291__0002_.jpg</image:loc><image:title>Book on artificial intelligence and humanity reviewed by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/802/large_smg00256291__0003_.jpg</image:loc><image:title>Book on artificial intelligence and humanity reviewed by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/800/large_smg00256291__0001_.jpg</image:loc><image:title>Book on artificial intelligence and humanity reviewed by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/804/large_smg00256291__0005_.jpg</image:loc><image:title>Book on artificial intelligence and humanity reviewed by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/803/large_smg00256291__0004_.jpg</image:loc><image:title>Book on artificial intelligence and humanity reviewed by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722459/dissecting-forceps-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076091/fire-steel</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/16/large_smg00207835.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199882/bottle-controlled-drug-opium</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077033/match-box-85-x-55-x-30-mm-of-thin-sheet-iron</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/894/large_smg00297317.jpg</image:loc><image:title>Match-box (85 x 55 x 30 mm) of thin sheet iron</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/572/large_smg00115817.jpg</image:loc><image:title>Match-box (85 x 55 x 30 mm) of thin sheet iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076799/tinder-pistol-length-12-12-ins-of-iron-and-of-unusually-large-size</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076807/tinder-pistol-length-8-ins-combined-with-ink-well</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/776/large_smg00210792.jpg</image:loc><image:title>Tinder-pistol (length 8 ins) combined with ink-well</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863366/phd-thesis-by-hawkings-student-andrew-chamblin-titled-aspects-of-topology-in-classical-and-quantum-gravity</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/442/large_smg00256261__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Andrew Chamblin, titled: Aspects of topology in classical and quantum gravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/441/large_smg00256261__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Andrew Chamblin, titled: Aspects of topology in classical and quantum gravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/443/large_smg00256261__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Andrew Chamblin, titled: Aspects of topology in classical and quantum gravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/444/large_smg00256261__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Andrew Chamblin, titled: Aspects of topology in classical and quantum gravity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076269/pocket-knife-with-horn-handle</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/888/large_smg00225328.jpg</image:loc><image:title>Pocket-knife with horn handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8069261/cylindrical-squat-bottle-of-calendula-officin-fro</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199866/glass-bottle-for-caustic-ammonium-liquid</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076087/one-of-five-fire-steels-elongated-o-shape</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/928/large_smg00207735.jpg</image:loc><image:title>One of five fire-steels, elongated &apos;O&apos; shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863665/book-for-popular-audiences-based-on-talks-at-the-60th-birthday-of-hawkings-close-friend-kip-thorne</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/571/large_smg00255999__0002_.jpg</image:loc><image:title>Book for popular audiences based on talks at the 60th birthday of Hawking&apos;s close friend Kip Thorne</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/570/large_smg00255999__0001_.jpg</image:loc><image:title>Book for popular audiences based on talks at the 60th birthday of Hawking&apos;s close friend Kip Thorne</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989553/three-lens-filters</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/742/large_smg00452703.jpg</image:loc><image:title>Three Lens Filters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722801/headset-for-a510-wireless-station</loc><lastmod>2026-01-09T15:21:19.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/469/552/large_smg00074491.jpg</image:loc><image:title>Headset for A510 wireless station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729612/fossilised-fern-impressions</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457444/pickaxe-coal-mining</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076486/one-of-three-tinder-boxes</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/87/large_smg00207881.jpg</image:loc><image:title>One of three tinder-boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076302/sulphur-matches-length-6-14-ins-of-wood-in-a-block</loc><lastmod>2026-01-09T15:21:19.594Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/665/large_smg00307909.jpg</image:loc><image:title>Sulphur-matches (length 6 1/4 ins) of wood; in a block</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076066/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/919/large_smg00207726.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863468/book-with-history-of-st-albans-school-where-hawking-was-educated</loc><lastmod>2026-01-09T15:21:19.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/349/large_smg00256186__0005_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/351/large_smg00256186__0007_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/345/large_smg00256186__0001_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/347/large_smg00256186__0003_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/346/large_smg00256186__0002_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/348/large_smg00256186__0004_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/350/large_smg00256186__0006_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/698/465/large_2021_0561_0024__0002_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/698/498/large_2021_0561_0024__0001_.jpg</image:loc><image:title>Book with history of St. Albans School, where Hawking was educated</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076916/instantaneous-light-box-wood</loc><lastmod>2026-01-09T15:21:19.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/416/large_smg00211039.jpg</image:loc><image:title>Instantaneous Light Box. Wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076598/crocodile-tooth-tinder-tube-length-4-ins</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/899/large_smg00225278.jpg</image:loc><image:title>Crocodile-tooth Tinder-tube (length 4 ins)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/939/large_smg00225278.jpg</image:loc><image:title>Crocodile-tooth Tinder-tube (length 4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077073/carton-allumettes-au-phosphore-amorphe-matches</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/873/large_smg00297294.jpg</image:loc><image:title>Carton, &quot;Allumettes au &quot;Phosphore amorphe&quot; matches</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/598/large_smg00115848.jpg</image:loc><image:title>Carton, &quot;Allumettes au &quot;Phosphore amorphe&quot; matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076686/chuckmuck-of-very-unusual-type</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/897/large_smg00225276.jpg</image:loc><image:title>Chuckmuck of very unusual type</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/937/large_smg00225276.jpg</image:loc><image:title>Chuckmuck of very unusual type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993449/scout-costume-neckerchief-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076200/fire-steel-length-5-ins</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/799/large_smg00207741.jpg</image:loc><image:title>Fire-steel (length 5 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993578/ruff-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993505/christmas-stocking-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199580/glass-dispensing-bottle-used-for-dovers-powder-ipecacuanha-and-opium-english-1850-1900-empty</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863353/phd-thesis-by-hawkings-student-michael-fawcett-titled-quantum-field-theory-near-a-black-hole</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/737/large_smg00256272__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Michael Fawcett, titled: Quantum field theory near a black hole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/735/large_smg00256272__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Michael Fawcett, titled: Quantum field theory near a black hole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/734/large_smg00256272__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Michael Fawcett, titled: Quantum field theory near a black hole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/736/large_smg00256272__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Michael Fawcett, titled: Quantum field theory near a black hole</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/738/large_smg00256272__0005_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Michael Fawcett, titled: Quantum field theory near a black hole</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076814/locket-like-pistol-tinder-box-length-1-34-in-of-iron</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/257/large_smg00210833.jpg</image:loc><image:title>Locket-like Pistol Tinder-box (length 1 3/4 in) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201646/glass-bottle-for-25-grammes-amylobarbitone-sodium-powder</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076344/tinder-box-diam-4-ins-of-tin-japanned-circular</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076220/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076921/an-original-box-length-3-34-ins-of-tin-in-which-paper-wrapped-promethean-matches-were-sold</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/864/large_smg00210914.jpg</image:loc><image:title>An original Box (length 3 3/4 ins) of tin in which paper-wrapped Promethean Matches were sold</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/531/large_smg00210914.jpg</image:loc><image:title>An original Box (length 3 3/4 ins) of tin in which paper-wrapped Promethean Matches were sold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863350/phd-thesis-by-hawkings-student-raymond-laflamme-titled-time-and-quantum-cosmology</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/749/large_smg00256275__0005_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Raymond Laflamme, titled: Time and quantum cosmology</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/748/large_smg00256275__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Raymond Laflamme, titled: Time and quantum cosmology</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/747/large_smg00256275__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Raymond Laflamme, titled: Time and quantum cosmology</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/745/large_smg00256275__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Raymond Laflamme, titled: Time and quantum cosmology</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/746/large_smg00256275__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Raymond Laflamme, titled: Time and quantum cosmology</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076691/chuckmuck-length-4-14-ins</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076929/german-dobereiners-lamp-1823-1889</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/927/large_smg00225353.jpg</image:loc><image:title>German Döbereiner&apos;s Lamp, 1823-1889</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984454/ceramic-development-tray</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/375/large_smg00453842.jpg</image:loc><image:title>ceramic development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077053/match-box-2-78-x-2-x-12-ins-exterior-painted-dark-crimson-on-lid</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/872/large_smg00297293.jpg</image:loc><image:title>Match-box (2 7/8 x 2 x 1/2 ins); exterior painted dark crimson; on lid</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/602/large_smg00115854.jpg</image:loc><image:title>Match-box (2 7/8 x 2 x 1/2 ins); exterior painted dark crimson; on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8720258/wire-rope-sample</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076908/instantaneous-light-box-3-x-2-ins-in-lignum-vitae</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/789/large_smg00211048.jpg</image:loc><image:title>Instantaneous Light Box (3 x 2 ins) in lignum vitae</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993520/rain-hat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076176/fire-steel-length-5-ins</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076723/tinder-pistol-length-7-ins-of-brass</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/784/large_smg00210827.jpg</image:loc><image:title>Tinder-pistol (length 7 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199711/rectangular-yellow-tin</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985231/eight-kinora-reels-and-two-lenses</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/872/large_smg00454011.jpg</image:loc><image:title>Eight Kinora Reels and Two Lenses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722442/needle-with-steel-shaft-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863452/moulded-glass-vessel-in-the-shape-of-a-klein-bottle</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/371/large_smg00256196__0001_.jpg</image:loc><image:title>Moulded glass vessel in the shape of a Klein bottle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/372/large_smg00256196__0002_.jpg</image:loc><image:title>Moulded glass vessel in the shape of a Klein bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076183/fire-steel-length-4-14-ins-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076840/one-of-fourteen-modern-pocket-tinder-tubes</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076576/tinder-tube-length-2-12-ins-of-silver</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075961/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/11/large_smg00207830.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077067/box-of-rupee-tandstiikker-matches-norway</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/863/large_smg00297284.jpg</image:loc><image:title>Box of ‘Rupee Tändstiikker’ matches, Norway</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/563/large_smg00115802.jpg</image:loc><image:title>Box of ‘Rupee Tändstiikker’ matches, Norway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993617/santa-hat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993508/sunglasses-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863439/book-with-proceedings-of-strings-2001-conference-at-indias-tata-institute-of-fundamental-research-attended-by-stephen-hawking</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/338/large_smg00256208__0003_.jpg</image:loc><image:title>Book with proceedings of Strings 2001 conference at India&apos;s Tata Institute of Fundamental Research, attended by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/339/large_smg00256208__0004_.jpg</image:loc><image:title>Book with proceedings of Strings 2001 conference at India&apos;s Tata Institute of Fundamental Research, attended by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/337/large_smg00256208__0002_.jpg</image:loc><image:title>Book with proceedings of Strings 2001 conference at India&apos;s Tata Institute of Fundamental Research, attended by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/336/large_smg00256208__0001_.jpg</image:loc><image:title>Book with proceedings of Strings 2001 conference at India&apos;s Tata Institute of Fundamental Research, attended by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/340/large_smg00256208__0005_.jpg</image:loc><image:title>Book with proceedings of Strings 2001 conference at India&apos;s Tata Institute of Fundamental Research, attended by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076550/tinder-tube</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/896/large_smg00225336.jpg</image:loc><image:title>Tinder-tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200505/bottle-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076124/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199836/tin-canister-containing-cork-stoppers</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201791/phial-controlled-drug-opium</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722426/railway-chair-spikes</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863423/drinking-glass</loc><lastmod>2026-01-09T15:21:20.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/466/large_smg00256224__0003_.jpg</image:loc><image:title>Drinking glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/465/large_smg00256224__0002_.jpg</image:loc><image:title>Drinking glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/464/large_smg00256224__0001_.jpg</image:loc><image:title>Drinking glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/467/large_smg00256224__0004_.jpg</image:loc><image:title>Drinking glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076139/fire-steel-length-2-12-ins</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/915/large_smg00207721.jpg</image:loc><image:title>Fire-steel (length 2 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076549/tinder-tube</loc><lastmod>2026-01-09T15:21:20.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/673/large_smg00307917.jpg</image:loc><image:title>Tinder-tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075985/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/219/large_smg00210720.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993563/black-beret-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:20.833Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722381/compressed-wool-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993456/scarf-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076363/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/609/large_smg00297220.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076765/tinder-pistol-length-6-58-ins-of-brass</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/787/large_smg00210830.jpg</image:loc><image:title>Tinder-pistol (length 6 5/8 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199570/glass-bottle-used-for-aloin-english-1850-1900</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722403/bottle-with-inscription-svm-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076434/tinder-box-length-4-18-ins</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/930/large_smg00297356.jpg</image:loc><image:title>Tinder-box (length 4 1/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076471/tinder-box-length-2-58-ins-on-lid</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/798/large_smg00297127.jpg</image:loc><image:title>Tinder-box (length 2 5/8 ins); on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075993/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/218/large_smg00210719.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984111/a-tele-anastigmat-lens</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/371/large_smg00453838.jpg</image:loc><image:title>A Tele - Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984761/bag-of-assorted-lens-and-cases</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/835/large_smg00453912.jpg</image:loc><image:title>Bag of Assorted Lens and Cases</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076868/fire-piston-length-2-14-ins-cylinder-of-turned-horn</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/858/large_smg00297256.jpg</image:loc><image:title>Fire-piston (length 2 1/4 ins); cylinder of turned horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199572/glass-dispensing-bottle-used-for-mercurous-chloride-english-1850-1900-empty</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8592298/umk-1318-survey-camera-mount</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076513/tinder-box-length-2-14-ins-of-cast-steel-rectangular</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863618/honorary-doctorate-of-imperial-college-london-awarded-to-stephen-hawking</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/40/large_smg00256045__0003_.jpg</image:loc><image:title>Honorary doctorate of Imperial College, London, awarded to Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/39/large_smg00256045__0002_.jpg</image:loc><image:title>Honorary doctorate of Imperial College, London, awarded to Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/38/large_smg00256045__0001_.jpg</image:loc><image:title>Honorary doctorate of Imperial College, London, awarded to Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989558/leather-camera-case-and-darkslides</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/818/large_smg00453849.jpg</image:loc><image:title>Leather Camera Case and Darkslides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863463/coffee-jar-empty</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/327/large_smg00256187__0001_.jpg</image:loc><image:title>Coffee jar (empty)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8598204/pickaxe-blade</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993630/white-bloomers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8592467/vial-for-penicillin-sodium-salt</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457951/clay-model-of-the-creatures-head</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/465/large_2000_5000_0153__0003_.jpg</image:loc><image:title>Clay Model of the Creature&apos;s Head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/464/large_2000_5000_0153__0002_.jpg</image:loc><image:title>Clay Model of the Creature&apos;s Head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/454/large_2000_5000_0153__0001_.jpg</image:loc><image:title>Clay Model of the Creature&apos;s Head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076465/tinder-box-length-2-12-ins-the-name-currey-within-a-border-engraved-on-lid</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076118/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/232/large_smg00210733.jpg</image:loc><image:title>One of three fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076907/striker-length-2-18-ins-for-friction-matches-handle-of-wood-striking-surface-of-brass</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/909/large_smg00207715.jpg</image:loc><image:title>Striker (length 2 1/8 ins) for friction-matches; handle of wood; striking surface of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989602/black-metal-box-with-red-filter</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/115/large_smg00453992.jpg</image:loc><image:title>Black Metal Box with Red Filter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076172/fire-steel-of-very-thick-heavy-metal</loc><lastmod>2026-01-09T15:21:21.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/800/large_smg00207742.jpg</image:loc><image:title>Fire-steel, of very thick heavy metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985361/supplementary-instructions-for-leica-iii-f</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/898/large_smg00454046.jpg</image:loc><image:title>Supplementary Instructions for Leica III f</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076126/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993444/red-cape-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201647/glass-bottle-with-metal-top-for-100-monotheamin-and-amytal-capsules-theophylline-and-amobarbital</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076805/tinder-pistol-combined-with-an-alarm-clock-clock-movement-missing</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/449/large_smg00127413.jpg</image:loc><image:title>Tinder-pistol combined with an alarm-clock (clock-movement missing)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076923/an-original-box-2-34-x-1-34-x-78-ins</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/413/large_smg00211036.jpg</image:loc><image:title>An original Box (2 3/4 x 1 3/4 x 7/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199870/glass-bottle-for-pulv-glum-arabic-powder</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863431/saucer</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/438/large_smg00256217__0003_.jpg</image:loc><image:title>Saucer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/439/large_smg00256217__0004_.jpg</image:loc><image:title>Saucer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/440/large_smg00256217__0005_.jpg</image:loc><image:title>Saucer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/436/large_smg00256217__0001_.jpg</image:loc><image:title>Saucer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/437/large_smg00256217__0002_.jpg</image:loc><image:title>Saucer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076600/crocodile-tooth-tinder-tube-length-4-12-ins</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863691/book-with-proceedings-of-workshop-on-intersection-of-particle-physics-and-the-early-universe-with-participation-by-hawking</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/235/large_smg00256356__0001_.jpg</image:loc><image:title>Book with proceedings of workshop on intersection of particle physics and the early universe, with participation by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/238/large_smg00256356__0004_.jpg</image:loc><image:title>Book with proceedings of workshop on intersection of particle physics and the early universe, with participation by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/239/large_smg00256356__0005_.jpg</image:loc><image:title>Book with proceedings of workshop on intersection of particle physics and the early universe, with participation by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/236/large_smg00256356__0002_.jpg</image:loc><image:title>Book with proceedings of workshop on intersection of particle physics and the early universe, with participation by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/237/large_smg00256356__0003_.jpg</image:loc><image:title>Book with proceedings of workshop on intersection of particle physics and the early universe, with participation by Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993539/super-mario-hat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729610/fossilised-fruit-cone-impression</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199854/2-glass-phials-containing-rhubarb-tablets-with-metal-caps</loc><lastmod>2026-01-09T15:21:22.172Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984021/thornton-pickard-beck-symmetrical-lens</loc><lastmod>2026-01-09T15:21:22.294Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/937/large_smg00453281.jpg</image:loc><image:title>Thornton Pickard &quot;Beck&quot; Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076250/persian-fire-steel</loc><lastmod>2026-01-09T15:21:22.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/190/large_smg00210684.jpg</image:loc><image:title>Persian fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984467/ceramic-development-tray</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/380/large_smg00453855.jpg</image:loc><image:title>ceramic development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076156/fire-steel-length-2-14-ins-hand-hold-in-form-of-two-hounds-facing-one-another</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729801/fossilised-branch-halonia-regularis</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076582/tinder-tube-length-3-14-ins-of-ivory</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076058/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076002/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/826/large_smg00210746.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8459461/stone-bottle</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/488/14/large_smg00225449.jpg</image:loc><image:title>Stone bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985425/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/937/large_smg00454100.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985257/imperial-ordinary-plates</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/526/large_smg00454028.jpg</image:loc><image:title>Imperial &quot;Ordinary&quot; Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076024/fire-steel-with-2-tangs-to-form-a-handle</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/186/large_smg00210680.jpg</image:loc><image:title>Fire Steel, with 2 Tangs to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989533/optical-slides</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/537/large_smg00454085.jpg</image:loc><image:title>Optical Slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076566/tinder-tube-length-4-ins-of-brass-octagonal</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199575/glass-dispensing-bottle-used-for-zinc-valerianate-english-1850-1900</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076123/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863379/book-with-proceedings-of-second-oxford-symposium-on-quantum-gravity-the-set-of-theories-for-the-unification-of-physics-pursued-by-hawking-edited-by-his-close-collaborators</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/402/large_smg00256248__0004_.jpg</image:loc><image:title>Book with proceedings of second Oxford symposium on quantum gravity, the set of theories for the unification of physics pursued by Hawking, edited by his close collaborators</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/401/large_smg00256248__0003_.jpg</image:loc><image:title>Book with proceedings of second Oxford symposium on quantum gravity, the set of theories for the unification of physics pursued by Hawking, edited by his close collaborators</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/403/large_smg00256248__0005_.jpg</image:loc><image:title>Book with proceedings of second Oxford symposium on quantum gravity, the set of theories for the unification of physics pursued by Hawking, edited by his close collaborators</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/399/large_smg00256248__0001_.jpg</image:loc><image:title>Book with proceedings of second Oxford symposium on quantum gravity, the set of theories for the unification of physics pursued by Hawking, edited by his close collaborators</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/400/large_smg00256248__0002_.jpg</image:loc><image:title>Book with proceedings of second Oxford symposium on quantum gravity, the set of theories for the unification of physics pursued by Hawking, edited by his close collaborators</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993584/beige-overcoat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076789/tinder-pistol-length-5-34-ins-of-iron</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/962/large_smg00297396.jpg</image:loc><image:title>Tinder-pistol (length 5 3/4 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8600728/armolet-sterile-disposable-lancet-by-armour-pharmacetical-co-ltd</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/285/241/large_1994_0413__0001_.jpg</image:loc><image:title>Armolet sterile disposable lancet by Armour Pharmacetical Co Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993531/red-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863668/bbva-fronteras-del-conocimiento-award-artwork</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/560/large_smg00256357__0001_.jpg</image:loc><image:title>BBVA Fronteras del Conocimiento Award Artwork</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/562/large_smg00256357__0003_.jpg</image:loc><image:title>BBVA Fronteras del Conocimiento Award Artwork</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/561/large_smg00256357__0002_.jpg</image:loc><image:title>BBVA Fronteras del Conocimiento Award Artwork</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075983/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985264/ilford-gaslight-lantern-plates</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/885/large_smg00454027.jpg</image:loc><image:title>Ilford Gaslight Lantern Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993474/black-trainers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076559/tinder-tube-of-brass-brass-cap</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982508/a-single-combination-lens</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/804/large_smg00453629.jpg</image:loc><image:title>A Single Combination Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993478/black-shoes-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076349/tinder-box-diam-4-12-ins-of-tin-circular</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/426/large_smg00297215.jpg</image:loc><image:title>Tinder-box (diam 4 1/2 ins) of tin; circular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8069264/cylindrical-narrow-bottle-of-tincture-of-calendula-from-homeopathic-medicine-chest</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076700/chuckmuck-length-5-58-ins-a-particularly-handsome-example</loc><lastmod>2026-01-09T15:21:24.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728267/glitto-gas-mantle-box</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076759/tinder-pistol-length-6-12-ins-of-brass</loc><lastmod>2026-01-09T15:21:24.592Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/956/large_smg00297389.jpg</image:loc><image:title>Tinder-pistol (length 6 1/2 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076562/tinder-tube-length-2-14-ins-of-brass-surface-embossed-with-figures-of-three-sportsmen</loc><lastmod>2026-01-09T15:21:24.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/861/large_smg00225301.jpg</image:loc><image:title>Tinder-tube (length 2 1/4 ins) of brass; surface embossed with figures of three sportsmen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985301/ilford-special-rapid-plates</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/891/large_smg00454036.jpg</image:loc><image:title>Ilford Special Rapid Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993538/pajama-bottoms-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075849/large-photograph-showing-a-choroti-man</loc><lastmod>2026-01-09T15:21:24.747Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/946/large_smg00225372.jpg</image:loc><image:title>Large photograph showing a Choroti man</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076967/one-of-two-lighters</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/397/large_smg00211010.jpg</image:loc><image:title>One of Two Lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076497/tinder-box-length-1-12-in-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076812/locket-like-pistol-tinder-box-length-1-78-in</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/260/large_smg00210836.jpg</image:loc><image:title>Locket-like Pistol Tinder-box (length 1 7/8 in)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989584/developing-dish</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/540/large_smg00454139.jpg</image:loc><image:title>Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076164/fire-steel-length-2-14-ins-small-and-thin</loc><lastmod>2026-01-09T15:21:25.795Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/923/large_smg00207730.jpg</image:loc><image:title>Fire-steel (length 2 1/4 ins); small and thin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076187/fire-steel-length-4-ins</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/804/large_smg00297134.jpg</image:loc><image:title>Fire-steel (length 4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863625/dvd-of-time-travel-movie-predestination-mailed-to-hawking-in-2017</loc><lastmod>2026-01-09T15:21:26.002Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/12/large_smg00256039__0001_.jpg</image:loc><image:title>DVD of time-travel movie &apos;Predestination&apos; mailed to Hawking in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/14/large_smg00256039__0003_.jpg</image:loc><image:title>DVD of time-travel movie &apos;Predestination&apos; mailed to Hawking in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/13/large_smg00256039__0002_.jpg</image:loc><image:title>DVD of time-travel movie &apos;Predestination&apos; mailed to Hawking in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/15/large_smg00256039__0004_.jpg</image:loc><image:title>DVD of time-travel movie &apos;Predestination&apos; mailed to Hawking in 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077002/a-lighter-length-2-58-ins-of-brass</loc><lastmod>2026-01-09T15:21:26.002Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/306/large_smg00210917.jpg</image:loc><image:title>A Lighter (length 2 5/8 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076336/photograph-of-a-tinder-box-length-10-ins-dug-out-of-a-block-of-elm-wood</loc><lastmod>2026-01-09T15:21:26.002Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722333/pieces-of-rubber-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993555/sports-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:25.795Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985365/assortment-of-greenockglasgow-and-belfast-postcards</loc><lastmod>2026-01-09T15:21:26.002Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/530/large_smg00454048.jpg</image:loc><image:title>Assortment of Greenock,Glasgow and Belfast Postcards</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989680/wooden-double-darkslide</loc><lastmod>2026-01-09T15:21:25.795Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/950/large_smg00454123.jpg</image:loc><image:title>Wooden Double Darkslide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076321/piece-of-semi-foxxilized-wood</loc><lastmod>2026-01-09T15:21:25.795Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/850/large_smg00210818.jpg</image:loc><image:title>Piece of semi-foxxilized wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993441/black-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993490/white-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:26.002Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863693/model-of-virgin-galactic-spacecraft</loc><lastmod>2026-01-09T15:21:25.755Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/911/large_smg00255970__0002_.jpg</image:loc><image:title>Model of Virgin Galactic spacecraft</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/914/large_smg00255970__0005_.jpg</image:loc><image:title>Model of Virgin Galactic spacecraft</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/912/large_smg00255970__0003_.jpg</image:loc><image:title>Model of Virgin Galactic spacecraft</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/910/large_smg00255970__0001_.jpg</image:loc><image:title>Model of Virgin Galactic spacecraft</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/913/large_smg00255970__0004_.jpg</image:loc><image:title>Model of Virgin Galactic spacecraft</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863705/stool-from-window-table</loc><lastmod>2026-01-09T15:21:25.795Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/922/large_smg00255979__0003_.jpg</image:loc><image:title>Stool from window table</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/921/large_smg00255979__0002_.jpg</image:loc><image:title>Stool from window table</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/920/large_smg00255979__0001_.jpg</image:loc><image:title>Stool from window table</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076079/fire-steel</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/911/large_smg00207717.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076148/one-of-nine-fire-steels</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/57/large_smg00207850.jpg</image:loc><image:title>One of nine fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863385/octagonal-card-with-information-about-new-horizons-probe-to-pluto</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/525/large_smg00256284__0002_.jpg</image:loc><image:title>Octagonal card with information about New Horizons probe to Pluto</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/524/large_smg00256284__0001_.jpg</image:loc><image:title>Octagonal card with information about New Horizons probe to Pluto</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077038/one-of-nine-fusee-boxes-2-58-x-1-12-x-38-ins-of-thin-cardboard</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/875/large_smg00297296.jpg</image:loc><image:title>One of  nine fusee-boxes (2 5/8 x 1 1/2 x 3/8 ins) of thin cardboard</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/603/large_smg00115855.jpg</image:loc><image:title>One of  nine fusee-boxes (2 5/8 x 1 1/2 x 3/8 ins) of thin cardboard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076295/sulphur-match-of-large-size-length-7-14-ins-presented</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/761/large_smg00210773.jpg</image:loc><image:title>Sulphur-match of large size (length 7 1/4 ins); presented</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863711/framed-poster-of-bbc-reith-lecture-professor-stephen-hawking-on-black-holes</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/883/large_smg00255956__0001_.jpg</image:loc><image:title>Framed poster of BBC Reith Lecture: &quot;Professor Stephen Hawking on Black Holes&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/884/large_smg00255956__0002_.jpg</image:loc><image:title>Framed poster of BBC Reith Lecture: &quot;Professor Stephen Hawking on Black Holes&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076517/tinder-box-length-2-78-ins-long-oval-lid-hinged-at-one-end-and-steel-on-side-has-designs</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/774/large_smg00210790.jpg</image:loc><image:title>Tinder-box (length 2 7/8 ins); long oval; lid hinged at one end and steel on side; has designs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8593555/portrait-of-a-young-girl</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076865/burning-lens-diam-78-in-combined-with-a-fire-st</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075973/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/906/large_smg00225285.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/946/large_smg00225285.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076365/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/978/large_smg00297412.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863421/mug</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/471/large_smg00256226__0001_.jpg</image:loc><image:title>Mug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/473/large_smg00256226__0003_.jpg</image:loc><image:title>Mug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/472/large_smg00256226__0002_.jpg</image:loc><image:title>Mug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/474/large_smg00256226__0004_.jpg</image:loc><image:title>Mug</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863698/framed-poster-of-marilyn-monroe</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076241/fire-steel-length-6-ins-of-thick-metal</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076292/small-sulphur-matches</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076583/tinder-tube-length-3-38-ins-of-ivory</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076728/tinder-pistol-length-7-14-ins-of-bright-steel</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/786/large_smg00210829.jpg</image:loc><image:title>Tinder-pistol (length 7 1/4 ins) of bright steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722465/rubber-tube-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076963/lighter-one-of-eight</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/310/large_smg00210921.jpg</image:loc><image:title>Lighter, one of eight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076884/electrophorus</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/874/large_smg00211029.jpg</image:loc><image:title>Electrophorus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/540/large_smg00211029.jpg</image:loc><image:title>Electrophorus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722331/record-syringe-in-metal-box-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993481/tracksuit-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075980/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:25.962Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/217/large_smg00210718.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199884/glass-bottle-for-potassium-iodine-crystals</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076077/fire-steel-length-2-14-ins-of-very-small-size</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/939/large_smg00207752.jpg</image:loc><image:title>Fire-steel (length 2 1/4 ins) of very small size</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076101/one-of-two-fire-steels-of-elongated-o-shape</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/738/large_smg00207801.jpg</image:loc><image:title>One of two fire-steels of elongated O-shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8720261/several-wire-rope-or-cable-sample</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985405/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/931/large_smg00454094.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8597983/hammer</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985193/bag-of-14-assorted-lenses-and-one-lens-cap</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076229/one-of-three-fire-steels-combined-with-screwing-spike-and-screw-driver</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/878/large_smg00225318.jpg</image:loc><image:title>One of Three Fire-steels combined with screwing-spike and screw-driver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076016/fire-steel</loc><lastmod>2026-01-09T15:21:27.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/832/large_smg00297168.jpg</image:loc><image:title>Fire Steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076253/one-of-four-fire-steels</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/898/large_smg00207702.jpg</image:loc><image:title>One of four fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076886/sealed-glass-tube</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/331/large_smg00210942.jpg</image:loc><image:title>Sealed glass Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076696/chuckmuck-length-5-14-ins-an-unusual-example</loc><lastmod>2026-01-09T15:21:27.170Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076207/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:27.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/913/large_smg00207719.jpg</image:loc><image:title>One of five fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863471/book-with-photographs-of-santiago-de-compostela-where-hawking-received-an-award</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/327/large_smg00256182__0002_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/330/large_smg00256182__0005_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/331/large_smg00256182__0006_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/328/large_smg00256182__0003_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/326/large_smg00256182__0001_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/329/large_smg00256182__0004_.jpg</image:loc><image:title>Book with photographs of Santiago de Compostela, where Hawking received an award</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200653/mirror-sign-for-gibsons-pharmacy</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/525/293/large_smg00217226.jpg</image:loc><image:title>Mirror Sign for Gibson&apos;s Pharmacy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729798/fossilised-leaf-impression</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201830/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076588/armadillo-tail-tinder-tube</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993648/rack-for-for-gordon-the-gophers-wardrobe</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075892/thong-length-5-ft-10-ins-of-thick-leather-for-rotating-a-fire-drill</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/985/large_smg00226560.jpg</image:loc><image:title>Thong (length 5 ft 10 ins) of thick leather for rotating a Fire-drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8590839/shaft-signal-indicator</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/251/176/large_y2002_0019_t480__0001_.jpg</image:loc><image:title>Shaft signal indicator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8595569/log-book-recording-insulin-dosage-and-blood-glucose</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076574/tinder-tube-length-2-34-ins-of-silver-octagonal</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076102/one-of-two-fire-steels-of-elongated-o-shape</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/229/large_smg00210730.jpg</image:loc><image:title>One of two fire-steels of elongated O-shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076162/fire-steel-with-hand-hold-in-form-of-an-expiring-tiger-in-coils-of-a-large-snake</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/319/large_smg00210930.jpg</image:loc><image:title>Fire-steel with hand-hold in form of an expiring tiger in coils of a large snake</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989586/granitine-developing-tank</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/538/large_smg00454137.jpg</image:loc><image:title>Granitine Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199862/glass-bottle-for-spirit</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077027/one-of-six-boxes-of-thin-chip</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/882/large_smg00297305.jpg</image:loc><image:title>One of six boxes of thin chip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076375/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076983/one-of-two-lighters-length-2-12-ins-of-identical-make-both-of-iron</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/385/large_smg00210998.jpg</image:loc><image:title>One of Two Lighters (length 2 1/2 ins) of identical make; both of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076975/brass-pocket-lighter-petrol-type-marked-k</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/403/large_smg00211016.jpg</image:loc><image:title>Brass Pocket Lighter, petrol type, marked K.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8597850/quinisan-quinine-pills</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076034/fire-steel-with-1-tang-to-form-a-handle</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/717/large_smg00207775.jpg</image:loc><image:title>Fire Steel, with 1 Tang to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993587/mr-blobby-costume-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076368/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722391/small-tube-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863386/book-with-proceedings-of-crucial-gathering-on-black-holes-attended-by-hawking</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/776/large_smg00256283__0001_.jpg</image:loc><image:title>Book with proceedings of crucial gathering on black holes attended by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/777/large_smg00256283__0002_.jpg</image:loc><image:title>Book with proceedings of crucial gathering on black holes attended by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/779/large_smg00256283__0004_.jpg</image:loc><image:title>Book with proceedings of crucial gathering on black holes attended by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/780/large_smg00256283__0005_.jpg</image:loc><image:title>Book with proceedings of crucial gathering on black holes attended by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/778/large_smg00256283__0003_.jpg</image:loc><image:title>Book with proceedings of crucial gathering on black holes attended by Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076425/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/907/large_smg00297331.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077019/matchbox-containing-s-jones-lucifers</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/632/large_smg00297243.jpg</image:loc><image:title>Matchbox containing S Jone&apos;s Lucifers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993458/trousers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989587/newman-and-guardia-changing-box</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/856/large_smg00453990.jpg</image:loc><image:title>Newman &amp; Guardia Changing Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076860/fire-stone-and-striker-norway</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/743/large_smg00210705.jpg</image:loc><image:title>Fire stone and striker, Norway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065500/six-paper-labels-for-two-radioactive-isotope-generators</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076718/tinder-pistol-length-13-12-ins-of-iron</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/948/large_smg00297380.jpg</image:loc><image:title>Tinder-pistol (length 13 1/2 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076068/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:29.212Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/227/large_smg00210728.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076797/tinder-pistol</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722332/venus-paper-handkerchiefs-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199867/glass-bottle-for-tincture-of-chin-comp</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076218/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076430/tinder-box-of-brass</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/908/large_smg00297332.jpg</image:loc><image:title>Tinder Box of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076453/tinder-box-length-2-58-ins-of-solid-gold-rectangular</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/845/large_smg00210813.jpg</image:loc><image:title>Tinder-box (length 2 5/8 ins) of solid gold; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076948/one-of-two-lighters</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/341/large_smg00210952.jpg</image:loc><image:title>One of Two Lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984089/an-anastigmat-lens</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/390/large_smg00453936.jpg</image:loc><image:title>An Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076756/tinder-pistol-length-7-34-ins-of-iron</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/942/large_smg00297374.jpg</image:loc><image:title>Tinder-pistol (length 7 3/4 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076450/tinder-box-depth-4-ins-of-thin-iron-canister-shaped</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/414/large_smg00211037.jpg</image:loc><image:title>Tinder-box (depth 4 ins) of thin iron; canister-shaped</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077041/one-of-eight-fusee-boxes-3-x-1-34-x-12-ins</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984464/ceramic-development-tray</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/377/large_smg00453852.jpg</image:loc><image:title>ceramic development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076851/one-of-two-tinder-tubes-nickel</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co203252/reproduction-of-1925-experimental-television-apparatus</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/279/large_smg00360643.jpg</image:loc><image:title>Reproduction of 1925 Experimental Television Apparatus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457944/box-of-four-eyeballs-and-latex-eyelid</loc><lastmod>2026-01-09T15:21:29.511Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/903/large_2000_5000_0073__0002_.jpg</image:loc><image:title>Box of Four Eyeballs and latex eyelid</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/902/large_2000_5000_0073__0001_.jpg</image:loc><image:title>Box of Four Eyeballs and latex eyelid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075904/fire-hearth-in-form-of-a-ceremonial-shield-australia</loc><lastmod>2026-01-09T15:21:29.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/919/large_smg00225345.jpg</image:loc><image:title>Fire Hearth in form of a Ceremonial Shield - Australia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076352/tinder-box-diam-4-14-ins-of-tin</loc><lastmod>2026-01-09T15:21:29.477Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076215/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/879/large_smg00225319.jpg</image:loc><image:title>One of two fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722449/thread-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076399/copper-tinder-box</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076387/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/611/large_smg00297222.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729616/fossilised-fern-pecopteris-nervosa</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863436/long-stem-glass</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/423/large_smg00256213__0003_.jpg</image:loc><image:title>Long stem glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/422/large_smg00256213__0002_.jpg</image:loc><image:title>Long stem glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/424/large_smg00256213__0004_.jpg</image:loc><image:title>Long stem glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/421/large_smg00256213__0001_.jpg</image:loc><image:title>Long stem glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/425/large_smg00256213__0005_.jpg</image:loc><image:title>Long stem glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076579/tinder-tube-length-60-cm-of-horn</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/893/large_smg00225333.jpg</image:loc><image:title>Tinder-tube (length 60 cm) of horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985443/various-photographic-accessories</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/905/large_smg00454059.jpg</image:loc><image:title>Various Photographic Accessories</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076146/one-of-nine-fire-steels</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/181/large_smg00210675.jpg</image:loc><image:title>One of nine fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984299/xylonite-developing-tray</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/369/large_smg00453290.jpg</image:loc><image:title>xylonite developing tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076870/fire-piston-length-3-ins-cylinder-of-turned-horn</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/851/large_smg00297247.jpg</image:loc><image:title>Fire-piston (length 3 ins); cylinder of turned horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863358/glass-containing-ribbons</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/592/large_smg00256379__0002_.jpg</image:loc><image:title>Glass containing ribbons</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/591/large_smg00256379__0001_.jpg</image:loc><image:title>Glass containing ribbons</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8990119/wooden-double-darkslide</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/945/large_smg00454117.jpg</image:loc><image:title>Wooden Double Darkslide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075925/various-strike-a-lights-of-hard-flinty-stones</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863443/paper-ephemera-stored-with-kitchen-items</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/413/large_smg00256206__0013_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/406/large_smg00256206__0006_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/404/large_smg00256206__0004_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/409/large_smg00256206__0009_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/401/large_smg00256206__0001_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/408/large_smg00256206__0008_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/417/large_smg00256206__0017_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/405/large_smg00256206__0005_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/403/large_smg00256206__0003_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/418/large_smg00256206__0018_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/414/large_smg00256206__0014_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/410/large_smg00256206__0010_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/412/large_smg00256206__0012_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/411/large_smg00256206__0011_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/407/large_smg00256206__0007_.jpg</image:loc><image:title>Paper ephemera stored with kitchen items</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993622/batman-mask-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076564/tinder-tube-length-3-ins-of-brass-surface-embossed-with-views-of-an-early-railway-train</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076046/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/192/large_smg00210686.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076259/fire-steel-length-2-38-ins-with-long</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/910/large_smg00225289.jpg</image:loc><image:title>Fire-steel (length 2 3/8 ins) with long</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/950/large_smg00225289.jpg</image:loc><image:title>Fire-steel (length 2 3/8 ins) with long</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076678/chuckmuck-length-4-34-ins-on-flap</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/302/large_smg00210907.jpg</image:loc><image:title>Chuckmuck (length 4 3/4 ins); on flap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993599/white-ballet-pumps-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076589/armadillo-tail-tinder-tube-length-3-12-ins</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/802/large_smg00297132.jpg</image:loc><image:title>Armadillo-tail Tinder-tube (length 3 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457946/one-of-phil-leakeys-make-up-kits</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863387/birthday-card</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/520/large_smg00256282__0001_.jpg</image:loc><image:title>Birthday card</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/523/large_smg00256282__0004_.jpg</image:loc><image:title>Birthday card</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/522/large_smg00256282__0003_.jpg</image:loc><image:title>Birthday card</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075943/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/823/large_smg00297159.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076143/one-of-nine-fire-steels</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/91/large_smg00207885.jpg</image:loc><image:title>One of nine fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076456/tinder-box-length-6-ins-of-turned-bamboo</loc><lastmod>2026-01-09T15:21:30.498Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/421/large_smg00211045.jpg</image:loc><image:title>Tinder-box (length 6 ins) of turned bamboo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8731137/fragments-from-a510-wireless-station</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/469/581/large_smg00082416.jpg</image:loc><image:title>Fragments from A510 wireless station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076769/tinder-pistol-length-5-12-ins-of-brass</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/285/large_smg00210890.jpg</image:loc><image:title>Tinder-pistol (length 5 1/2 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201649/ribbed-green-glass-poison-bottle-with-glass-stopper-of-tincture-of-morphine-and-chloroform</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/56/994/large_1979_0464_0049.jpg</image:loc><image:title>Ribbed green glass poison bottle with glass stopper of Tincture of Morphine and Chloroform</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076031/fire-steel-with-2-tangs-embedded-in-wooden-grip</loc><lastmod>2026-01-09T15:21:30.881Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076222/one-of-four-fire-steels-lengths-3-to-2-14-ins</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863707/framed-present-from-nasa-2015-featuring-photograph-of-stephen-hawking-during-zero-gravity-flight</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/894/large_smg00255964__0001_.jpg</image:loc><image:title>Framed present from NASA (2015) featuring photograph of Stephen Hawking during zero-gravity flight</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/895/large_smg00255964__0002_.jpg</image:loc><image:title>Framed present from NASA (2015) featuring photograph of Stephen Hawking during zero-gravity flight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8720253/wire-rope-sample</loc><lastmod>2026-01-09T15:21:30.859Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863404/book-yearly-standard-reference-for-data-on-the-sky</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/380/large_smg00256242__0003_.jpg</image:loc><image:title>Book: yearly standard reference for data on the sky</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/378/large_smg00256242__0001_.jpg</image:loc><image:title>Book: yearly standard reference for data on the sky</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/379/large_smg00256242__0002_.jpg</image:loc><image:title>Book: yearly standard reference for data on the sky</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729615/lepidodendron-fossil</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076449/tinder-box-length-5-ins</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201818/bottle-of-tabloid-quinine-and-rhubarb-compound-tablets</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/477/large_1995_0010_0035__0003_.jpg</image:loc><image:title>Bottle, of `Tabloid&apos; Quinine and Rhubarb Compound tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/476/large_1995_0010_0035__0002_.jpg</image:loc><image:title>Bottle, of `Tabloid&apos; Quinine and Rhubarb Compound tablets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/475/large_1995_0010_0035__0001_.jpg</image:loc><image:title>Bottle, of `Tabloid&apos; Quinine and Rhubarb Compound tablets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729603/fossilised-leaf-impression</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076915/instantaneous-light-box-wood</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/794/large_smg00211053.jpg</image:loc><image:title>Instantaneous Light Box. Wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076671/chuckmuck-length-2-34-ins-heavy-brass-mounts-on-both-front-and-back</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/885/large_smg00225325.jpg</image:loc><image:title>Chuckmuck (length 2 3/4 ins); heavy brass mounts on both front and back</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8598909/bronze-screws-from-refracting-telescope-of-59-inch-aperture</loc><lastmod>2026-01-09T15:21:30.867Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863685/digital-photo-frame</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/138/large_smg00255980__0002_.jpg</image:loc><image:title>Digital photo frame</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/137/large_smg00255980__0001_.jpg</image:loc><image:title>Digital photo frame</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863355/invitation-to-exhibit-opening-at-the-victoria-and-albert-museum-2017</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/517/large_smg00256269__0002_.jpg</image:loc><image:title>Invitation to exhibit opening at the Victoria and Albert Museum, 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/516/large_smg00256269__0001_.jpg</image:loc><image:title>Invitation to exhibit opening at the Victoria and Albert Museum, 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076779/tinder-pistol-wood-stock-brass-fittings</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993624/batman-cape-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075914/a-collection-of-various-examples-from-great-britain</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984574/cranitine-development-tray</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/382/large_smg00453857.jpg</image:loc><image:title>cranitine development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075969/fire-steel-english-twisted-tang</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/896/large_smg00207700.jpg</image:loc><image:title>Fire Steel, English - Twisted Tang.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/481/883/large_smg00207700.jpg</image:loc><image:title>Fire Steel, English - Twisted Tang.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/497/854/large_smg00207700.jpg</image:loc><image:title>Fire Steel, English - Twisted Tang.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076771/tinder-pistol-length-7-12-ins-of-iron</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/555/large_smg00297107.jpg</image:loc><image:title>Tinder-pistol (length 7 1/2 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985135/103-dark-slides</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/825/large_smg00453875.jpg</image:loc><image:title>103 Dark slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863388/declined-invitation-to-the-institute-of-physics-awards-in-2016</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/518/large_smg00256281__0001_.jpg</image:loc><image:title>Declined Invitation to the Institute of Physics Awards in 2016</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/519/large_smg00256281__0002_.jpg</image:loc><image:title>Declined Invitation to the Institute of Physics Awards in 2016</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076175/fire-steel</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/961/large_smg00207818.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076829/pistol-tinder-box-length-2-14-ins-of-plain-brass-construction-similar-to-that-of-foregoing</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/261/large_smg00210840.jpg</image:loc><image:title>Pistol Tinder-box (length 2 1/4 ins) of plain brass; construction similar to that of foregoing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076527/tinder-holder-length-1-14-in-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/916/large_smg00207723.jpg</image:loc><image:title>Tinder-holder (length 1 1/4 in) of silver; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076109/fire-steel-length-3-38-ins-a-somewhat-similar-example</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/890/large_smg00207694.jpg</image:loc><image:title>Fire-steel (length 3 3/8 ins); a somewhat-similar example</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075854/fire-drill-and-hearth-lengths-15-12-ins-and-13-ins-hearth-shows-many-pits</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/956/large_smg00225385.jpg</image:loc><image:title>Fire-drill and Hearth (lengths 15 1/2 ins and 13 ins); hearth shows many pits</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722327/cloth-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075909/photograph-of-two-nodules-of-iron-pyrites</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/930/large_smg00225356.jpg</image:loc><image:title>Photograph of two Nodules of Iron-Pyrites</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075864/fire-drill-and-hearth-lengths-13-34-ins-and-14-ins</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076285/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/765/large_smg00210777.jpg</image:loc><image:title>One of twelve bundles of Sulphur-matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077013/a-match-2-58-x-15-x-110-ins-of-lime-wood</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/993/large_smg00226568.jpg</image:loc><image:title>A Match (2 5/8 x 1/5 x 1/10 ins) of lime-wood (?),</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076190/fire-steel-length-3-58-ins-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729177/disk-drive-unit-for-disk-drive-of-48k-minicomputer</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076888/instantaneous-light-box-height-3-ins-of-tin-oval</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076711/chuckmuck-with-brass-decorations</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985268/beehive-shaped-rack-from-developing-tank</loc><lastmod>2026-01-09T15:21:31.753Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/886/large_smg00454029.jpg</image:loc><image:title>Beehive Shaped Rack From Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989607/lantern-slide-projector</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/919/large_smg00454077.jpg</image:loc><image:title>Lantern Slide Projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076443/cast-iron-tinder-box</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/841/large_smg00297177.jpg</image:loc><image:title>Cast iron tinder-box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076025/fire-steel</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/722/large_smg00207780.jpg</image:loc><image:title>Fire Steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076561/tinder-tube-length-3-14-ins-of-brass-surface-embossed-with-scene-inscribed-in-dutch-daniel-in-the-lions-den</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993602/pink-fairy-wings-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984041/symmetrical-lens</loc><lastmod>2026-01-09T15:21:32.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/210/smg00214776.jpg</image:loc><image:title>Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076446/another-lovett-tinder-box</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/725/large_smg00207788.jpg</image:loc><image:title>Another &quot;Lovett&quot; Tinder-box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722372/icoral-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076487/tinder-box-length-1-34-in-of-nickel-oval</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/166/large_smg00210655.jpg</image:loc><image:title>Tinder-box (length 1 3/4 in) of nickel; oval</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076849/one-of-two-tinder-tubes-both-length-3-38-ins-of-silver-or-nickel</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076021/fire-steel-elliptical-shape</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/200/large_smg00210694.jpg</image:loc><image:title>Fire Steel, elliptical shape.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076803/tinder-pistol-combined-with-alarm-clock-austria</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/952/large_smg00297384.jpg</image:loc><image:title>Tinder-pistol combined with alarm clock, Austria</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993469/red-trainers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:32.038Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076234/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:32.286Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/184/large_smg00210678.jpg</image:loc><image:title>One of two fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863628/socket-converter</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/995/large_smg00256034__0001_.jpg</image:loc><image:title>Socket converter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/996/large_smg00256034__0002_.jpg</image:loc><image:title>Socket converter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993521/baseball-cap-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076490/tinder-box-length-1-58-in-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075932/flint</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/813/large_smg00207806.jpg</image:loc><image:title>Flint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076364/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/613/large_smg00297224.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993569/yellow-easter-jumper-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199865/glass-bottle-for-terebinth-liquid</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863457/photograph-of-stephen-hawking-with-american-president-bill-clinton</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/273/large_smg00256389__0001_.jpg</image:loc><image:title>Photograph of Stephen Hawking with American President Bill Clinton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076842/one-of-fourteen-modern-pocket-tinder-tubes</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/347/large_smg00210958.jpg</image:loc><image:title>One of fourteen modern pocket tinder-tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076442/tinder-box-of-brass-flat-and-oval-with-steel</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075923/one-of-a-group-of-various-worked-flints-made-at-valona</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985291/carton-for-barnet-ordinary-plates</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/528/large_smg00454037.jpg</image:loc><image:title>Carton for Barnet &quot;Ordinary&quot; Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201810/glass-bottle-of-tabloid-brand-warburg-tincture</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863723/photograph-of-stephen-hawking-in-front-of-the-new-centre-for-mathematical-sciences-in-cambridge</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863373/phd-thesis-by-hawkings-student-oisin-macconamhna-titled-g-structures-in-supergravity</loc><lastmod>2026-01-09T15:21:33.086Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/740/large_smg00256273__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Oisin MacConamhna, titled: G-structures in supergravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/739/large_smg00256273__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Oisin MacConamhna, titled: G-structures in supergravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/741/large_smg00256273__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Oisin MacConamhna, titled: G-structures in supergravity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076624/tinder-pouch</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075856/three-large-photographs-showing-batwa-men</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/940/large_smg00225366.jpg</image:loc><image:title>Three large Photographs showing Batwa men</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076553/tinder-tube</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076059/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729176/disk-drive-unit</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076193/one-of-two-fire-steels-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/911/large_smg00225290.jpg</image:loc><image:title>One of two fire-steels combined with ember-tongs</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/951/large_smg00225290.jpg</image:loc><image:title>One of two fire-steels combined with ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201785/bottle-controlled-drug-cocaine</loc><lastmod>2026-01-09T15:21:33.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989574/photograph-collection-of-pre-1900-egyptian-monuments</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/521/large_smg00453991.jpg</image:loc><image:title>Photograph Collection of Pre-1900 Egyptian Monuments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076526/one-of-three-tinder-holders-of-thin-sheet-brass</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/734/large_smg00207797.jpg</image:loc><image:title>One of three tinder-holders of thin sheet brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863392/book-a-brief-history-of-time-10th-anniversary-edition</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/227/large_smg00256241__0002_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/228/large_smg00256241__0003_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/226/large_smg00256241__0001_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/377/large_smg00256241__0004_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/374/large_smg00256241__0001_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/376/large_smg00256241__0003_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/375/large_smg00256241__0002_.jpg</image:loc><image:title>Book: A Brief History of Time, 10th anniversary edition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076293/sulphur-matches</loc><lastmod>2026-01-09T15:21:33.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/837/large_smg00297173.jpg</image:loc><image:title>Sulphur-matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076826/a-drawing-in-colours-of-the-foregoing-no-1156</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/984/large_smg00297418.jpg</image:loc><image:title>A Drawing in colours of the foregoing (no. 1156)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993557/robe-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:34.541Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076236/fire-steel-length-6-ins</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863720/photograph-from-stephen-hawkings-70th-birthday-symposium-in-cambridge</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/880/large_smg00255952__0002_.jpg</image:loc><image:title>Photograph from Stephen Hawking&apos;s 70th Birthday symposium in Cambridge</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/879/large_smg00255952__0001_.jpg</image:loc><image:title>Photograph from Stephen Hawking&apos;s 70th Birthday symposium in Cambridge</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/84/large_smg00255952__0001_.jpg</image:loc><image:title>Photograph from Stephen Hawking&apos;s 70th Birthday symposium in Cambridge</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/85/large_smg00255952__0002_.jpg</image:loc><image:title>Photograph from Stephen Hawking&apos;s 70th Birthday symposium in Cambridge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076610/tinder-bag-in-form-of-a-small-folding-case-length-3-18-ins-of-red-leather</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993546/wolverhampton-wanderers-football-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8069256/cylindrical-narrow-bottle-of-acid-sulpuricum-from-homeopathic-medicine-chest</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076279/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075929/flint</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/805/large_smg00207766.jpg</image:loc><image:title>Flint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076922/tin-box-for-promethean-matches</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/412/large_smg00211035.jpg</image:loc><image:title>Tin box for Promethean matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076340/tinder-box-length-7-14-ins-compartments-contain-flint</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/621/large_smg00297232.jpg</image:loc><image:title>Tinder-box (length 7 1/4 ins) compartments contain flint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076311/sulphur-matches-of-hemp-stalk</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/707/large_smg00120037.jpg</image:loc><image:title>Sulphur-matches of hemp-stalk</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076437/smokers-outfit</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/915/large_smg00297339.jpg</image:loc><image:title>Smoker&apos;s Outfit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076892/instantaneous-light-box-length-2-12-ins-of-tin-rectangular</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076764/tinder-pistol-length-6-ins-of-brass</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/981/large_smg00297415.jpg</image:loc><image:title>Tinder-pistol (length 6 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076184/fire-steel-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/901/large_smg00207707.jpg</image:loc><image:title>Fire-steel combined with ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863454/model-of-the-mallard-locomotive</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/380/large_smg00256198__0002_.jpg</image:loc><image:title>Model of the Mallard locomotive</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/379/large_smg00256198__0001_.jpg</image:loc><image:title>Model of the Mallard locomotive</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/382/large_smg00256198__0004_.jpg</image:loc><image:title>Model of the Mallard locomotive</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/381/large_smg00256198__0003_.jpg</image:loc><image:title>Model of the Mallard locomotive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076310/sulphur-match-of-thin-cotton-thread</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989556/leather-case</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/420/large_smg00449718.jpg</image:loc><image:title>Leather Case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076724/tinder-pistol-length-7-ins-of-brass</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/973/large_smg00297407.jpg</image:loc><image:title>Tinder-pistol (length 7 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076283/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/760/large_smg00210772.jpg</image:loc><image:title>One of twelve bundles of Sulphur-matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993614/life-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076377/tinder-box-diam-4-14-ins-of-tin</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457943/bottle-of-fake-blood</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/737/329/large_2000_5000_68.jpg</image:loc><image:title>Bottle of Fake Blood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076657/chuckmuck-length-2-12-ins-small-and-poor</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/290/large_smg00210895.jpg</image:loc><image:title>Chuckmuck (length 2 1/2 ins); small and poor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076472/tinder-box-length-2-58-ins-on-lid</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076244/fire-steel</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/569/large_smg00297138.jpg</image:loc><image:title>Fire-steel</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/808/large_smg00297138.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993577/black-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728269/glitto-gas-mantle-box</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993550/striped-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77397/straight-post-mortem-chisel</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/930/large_smg00095597.jpg</image:loc><image:title>Straight post mortem chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722389/third-hand-magnifier-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076563/tinder-tube-length-3-14-ins-of-brass-surface-embossed-with-views-of-an-early-railway-train</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075975/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:35.579Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076989/a-lighter-length-2-58-ins-in-form-of-an-upright-brass-box</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/384/large_smg00210997.jpg</image:loc><image:title>A Lighter (length 2 5/8 ins) in form of an upright brass box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076281/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863441/book-on-the-multiverse-with-contribution-by-stephen-hawking</loc><lastmod>2026-01-09T15:21:35.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/344/large_smg00256210__0001_.jpg</image:loc><image:title>Book on the Multiverse with contribution by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/345/large_smg00256210__0002_.jpg</image:loc><image:title>Book on the Multiverse with contribution by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/346/large_smg00256210__0003_.jpg</image:loc><image:title>Book on the Multiverse with contribution by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076286/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:35.488Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076192/one-of-two-fire-steels-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:35.738Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457945/a-tin-of-vampire-bites-for-use-in-the-film-the-kiss-of-the-vampire-1963</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/445/large_2000_5000_0089__0001_.jpg</image:loc><image:title>A tin of &apos;vampire bites&apos; for use in the film &apos;The Kiss of the Vampire&apos; (1963)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/446/large_2000_5000_0089__0002_.jpg</image:loc><image:title>A tin of &apos;vampire bites&apos; for use in the film &apos;The Kiss of the Vampire&apos; (1963)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/448/large_2000_5000_0089__0003_.jpg</image:loc><image:title>A tin of &apos;vampire bites&apos; for use in the film &apos;The Kiss of the Vampire&apos; (1963)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077020/leaflet-7-12-x-4-12-ins</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/816/large_smg00210664.jpg</image:loc><image:title>Leaflet (7 1/2 x 4 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076354/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/616/large_smg00297227.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993450/scout-costume-woggle-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993536/red-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984326/two-development-trays</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/372/large_smg00453839.jpg</image:loc><image:title>Two Development Trays</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863622/drawing-pin-from-stephen-hawkings-office</loc><lastmod>2026-01-09T15:21:36.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/3/large_smg00256037__0003_.jpg</image:loc><image:title>Drawing pin from Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/4/large_smg00256037__0004_.jpg</image:loc><image:title>Drawing pin from Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/2/large_smg00256037__0002_.jpg</image:loc><image:title>Drawing pin from Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/1/large_smg00256037__0001_.jpg</image:loc><image:title>Drawing pin from Stephen Hawking&apos;s office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8600359/o-rings-for-vickers-vimyrolls-royce-biplane</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/348/719/large_smg00234513.jpg</image:loc><image:title>O-rings for Vickers Vimy/Rolls-Royce Biplane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075893/sketch-of-pump-fire-drill-in-use</loc><lastmod>2026-01-09T15:21:36.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/934/large_smg00225360.jpg</image:loc><image:title>Sketch of Pump Fire-drill in use.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076325/iron-tinned-box-6-35-x-2-12-x-2-12-inches</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8981895/ross-symmetrical-lens</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/752/large_smg00453276.jpg</image:loc><image:title>Ross Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985245/j-swift-and-son-photographic-equipment</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/878/large_smg00454018.jpg</image:loc><image:title>J. Swift &amp; Son Photographic Equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985210/a-framed-painting-on-glass-of-malta</loc><lastmod>2026-01-09T15:21:36.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/873/large_smg00454012.jpg</image:loc><image:title>A Framed Painting on Glass of &apos;Malta&apos;.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993519/black-boot-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076980/a-lighter-diam-1-12-in-of-brass-round-and-flat-sided-projecting-nozzle-on-edge</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/381/large_smg00210994.jpg</image:loc><image:title>A Lighter (diam 1 1/2 in) of brass; round and flat-sided; projecting nozzle on edge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076781/tinder-pistol-wood-stock-iron-fittings</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/271/large_smg00210852.jpg</image:loc><image:title>Tinder Pistol, wood stock, iron fittings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8459446/wicker-waste-bin</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863649/adapter-and-cables-for-desktop-computer</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/970/large_smg00256014__0001_.jpg</image:loc><image:title>Adapter and cables for desktop computer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863354/phd-thesis-by-hawkings-student-fay-dowker-titled-space-time-wormholes</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/650/large_smg00256268__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Fay Dowker, titled: Space-time wormholes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/651/large_smg00256268__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Fay Dowker, titled: Space-time wormholes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/649/large_smg00256268__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Fay Dowker, titled: Space-time wormholes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993650/deckchair-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076113/fire-steel</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/812/large_smg00297142.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076122/one-of-five-fire-steels</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076291/a-bundle-of-sulphur-matches-length-5-12-ins</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076084/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/942/large_smg00207755.jpg</image:loc><image:title>One of three fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076116/one-of-four-fire-steels-wedge-shaped</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/13/large_smg00207832.jpg</image:loc><image:title>One of four fire-steels, wedge-shaped</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076864/burning-lens-inserted-in-lid-of-shallow</loc><lastmod>2026-01-09T15:21:36.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/972/large_smg00226547.jpg</image:loc><image:title>Burning-lens, inserted in lid of shallow</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076717/tinder-pistol-length-8-ins-of-iron</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076415/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/656/large_smg00297277.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993581/gloves-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076571/tinder-tube-length-3-58-ins-of-copper</loc><lastmod>2026-01-09T15:21:36.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/562/large_smg00297114.jpg</image:loc><image:title>Tinder-tube (length 3 5/8 ins) of copper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993482/tracksuit-bottoms-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075897/model-of-saw-and-hearth</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/958/large_smg00225387.jpg</image:loc><image:title>Model of saw and hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722378/rope-sample-coal-mining</loc><lastmod>2026-01-09T15:21:36.936Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993013/ihagee-rollfilm-camera</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/990/large_smg00454686.jpg</image:loc><image:title>Ihagee Rollfilm Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863667/book-by-photographer-platon-who-later-photographed-stephen-hawking</loc><lastmod>2026-01-09T15:21:37.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/712/391/large_2021_0561_0105__0005_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/712/390/large_2021_0561_0105__0003_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/712/393/large_2021_0561_0105__0002_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/712/392/large_2021_0561_0105__0001_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/712/389/large_2021_0561_0105__0004_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/946/large_smg00255997__0003_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/945/large_smg00255997__0002_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/948/large_smg00255997__0005_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/947/large_smg00255997__0004_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/944/large_smg00255997__0001_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/277/large_2021_0561_0105__0012_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/269/large_2021_0561_0105__0004_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/270/large_2021_0561_0105__0005_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/273/large_2021_0561_0105__0009_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/271/large_2021_0561_0105__0007_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/275/large_2021_0561_0105__0011_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/274/large_2021_0561_0105__0008_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/280/large_2021_0561_0105__0003_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/278/large_2021_0561_0105__0001_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/276/large_2021_0561_0105__0010_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/279/large_2021_0561_0105__0002_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/694/272/large_2021_0561_0105__0006_.jpg</image:loc><image:title>Book by photographer Platon, who later photographed Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076753/tinder-pistol-length-7-ins-of-iron</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/554/large_smg00297106.jpg</image:loc><image:title>Tinder-pistol (length 7 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863669/tray</loc><lastmod>2026-01-09T15:21:37.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/942/large_smg00255996__0001_.jpg</image:loc><image:title>Tray</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/943/large_smg00255996__0002_.jpg</image:loc><image:title>Tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076504/tinder-box-length-1-34-in-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/71/large_smg00207864.jpg</image:loc><image:title>Tinder-box (length 1 3/4 in) of silver; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076614/tinder-bag-in-form-of-a-pocket-length-3-78-ins-of-soft-plain-red-leather</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075916/flint-from-vlora-albania</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/718/large_smg00122401.jpg</image:loc><image:title>Flint from Vlora, Albania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076411/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/655/large_smg00297276.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076554/tinder-tube-of-brass</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/860/large_smg00225300.jpg</image:loc><image:title>Tinder Tube of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077081/one-of-three-luminous-match-box-covers</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722402/bottle-with-inscription-chlorof-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075992/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/248/large_smg00210756.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201652/bottle-of-prominal-tablets-inside-cardboard-carton</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076698/chuckmuck-length-5-34-ins-a-very-handsome-example</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993515/eye-patch-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863382/phd-thesis-by-gary-gibbonss-student-wayne-boucher-titled-classical-supergravity</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/793/large_smg00256288__0002_.jpg</image:loc><image:title>PhD thesis by Gary Gibbons&apos;s student Wayne Boucher, titled: Classical supergravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/792/large_smg00256288__0001_.jpg</image:loc><image:title>PhD thesis by Gary Gibbons&apos;s student Wayne Boucher, titled: Classical supergravity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/794/large_smg00256288__0003_.jpg</image:loc><image:title>PhD thesis by Gary Gibbons&apos;s student Wayne Boucher, titled: Classical supergravity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076885/luminus-lorenzs-patent</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/875/large_smg00211030.jpg</image:loc><image:title>&quot;Luminus&quot;, Lorenz&apos;s patent</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/541/large_smg00211030.jpg</image:loc><image:title>&quot;Luminus&quot;, Lorenz&apos;s patent</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989625/five-plate-drying-racks</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/516/large_smg00453985.jpg</image:loc><image:title>Five Plate Drying Racks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077029/match-box-57-x-40-mm-of-cardboard-cylindrical</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/820/large_smg00297150.jpg</image:loc><image:title>Match-box (57 x 40 mm) of cardboard; cylindrical</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076904/instantaneous-light-box-wood</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/793/large_smg00211052.jpg</image:loc><image:title>Instantaneous Light Box. Wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co81669/drug-jar-for-white-vaseline</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199858/2-glass-phials-containing-prepared-ipecacuanha-tablets</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077034/fuse-box</loc><lastmod>2026-01-09T15:21:38.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/633/large_smg00297244.jpg</image:loc><image:title>Fuse-box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076994/brass-pocket-lighter</loc><lastmod>2026-01-09T15:21:38.349Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/796/large_smg00297123.jpg</image:loc><image:title>Brass Pocket Lighter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993564/blue-waistcoat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199857/3-glass-phials</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993572/black-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076817/locket-like-pistol-tinder-box-length-1-34-in-of-frosted-brass-ring-missing-on-top</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/255/large_smg00210831.jpg</image:loc><image:title>Locket-like Pistol Tinder-box (length 1 3/4 in) of frosted brass; ring missing; on top</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77392/dissecting-forceps</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/942/large_smg00095609.jpg</image:loc><image:title>Dissecting forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076604/crocodile-tooth-tinder-tube-length-3-34-ins</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076990/a-lighter-in-form-of-a-cylindrical-leather-covered</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/323/large_smg00210934.jpg</image:loc><image:title>A Lighter in form of a cylindrical leather-covered</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076061/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/225/large_smg00210726.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076656/chuckmuck-length-2-38-ins-very-small-and-plain-on-flap</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/60/large_smg00207853.jpg</image:loc><image:title>Chuckmuck (length 2 3/8 ins); very small and plain; on flap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993530/star-trek-spock-eyebrow-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:38.143Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993510/sunglasses-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076645/tinder-pouch</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/498/large_smg00210863.jpg</image:loc><image:title>Tinder-pouch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985134/case-for-voigtlander-superb</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/523/large_smg00454003.jpg</image:loc><image:title>Case for Voigtlander Superb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989678/two-flashlamps</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8069294/two-sheets-of-amadou-or-german-tinder</loc><lastmod>2026-01-09T15:21:38.550Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/942/large_smg00225368.jpg</image:loc><image:title>Two sheets of amadou or &quot;German tinder&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075997/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/244/large_smg00210752.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863466/book-by-photographer-anton-corbijn-including-portraits-of-stephen-hawking</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/643/large_smg00256184__0002_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/642/large_smg00256184__0001_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199567/glass-dispensing-bottle</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076782/tinder-pistol-wood-stock-brass-fittings</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/270/large_smg00210851.jpg</image:loc><image:title>Tinder Pistol, wood stock, brass fittings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076668/chuckmuck-with-large-brass-boss-on</loc><lastmod>2026-01-09T15:21:40.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/293/large_smg00210898.jpg</image:loc><image:title>Chuckmuck with large brass boss on</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201831/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993514/zorro-mask-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993516/monocle-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863663/book-italian-translation-of-a-briefer-history-of-time</loc><lastmod>2026-01-09T15:21:40.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/572/large_smg00256001__0001_.jpg</image:loc><image:title>Book: Italian translation of &apos;A Briefer History of Time&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/573/large_smg00256001__0002_.jpg</image:loc><image:title>Book: Italian translation of &apos;A Briefer History of Time&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457077/fire-protection-suit-in-four-parts-jacket</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982569/collection-of-approx-160-pharmaceutical-drugs</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076586/tinder-tube-of-brass-brass-caps</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/167/large_smg00210656.jpg</image:loc><image:title>Tinder Tube of Brass, brass caps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993647/plaited-band-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077007/metal-pocket-lighter-petrol-type</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/318/large_smg00210929.jpg</image:loc><image:title>Metal Pocket lighter, petrol type.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076098/fire-steel-length-3-78-ins-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/900/large_smg00207705.jpg</image:loc><image:title>Fire-steel (length 3 7/8 ins) combined with ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8459796/stenter</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863670/book-handbook-for-parallel-programming-with-intel-supercomputers-featuring-research-from-stephen-hawkings-department</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/937/large_smg00255995__0001_.jpg</image:loc><image:title>Book: handbook for parallel programming with Intel supercomputers featuring research from Stephen Hawking&apos;s department</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/941/large_smg00255995__0005_.jpg</image:loc><image:title>Book: handbook for parallel programming with Intel supercomputers featuring research from Stephen Hawking&apos;s department</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/938/large_smg00255995__0002_.jpg</image:loc><image:title>Book: handbook for parallel programming with Intel supercomputers featuring research from Stephen Hawking&apos;s department</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/939/large_smg00255995__0003_.jpg</image:loc><image:title>Book: handbook for parallel programming with Intel supercomputers featuring research from Stephen Hawking&apos;s department</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/940/large_smg00255995__0004_.jpg</image:loc><image:title>Book: handbook for parallel programming with Intel supercomputers featuring research from Stephen Hawking&apos;s department</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076270/fire-steel-with-tangs-coiled</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/179/large_smg00210673.jpg</image:loc><image:title>Fire Steel, with Tangs coiled.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076484/tinder-box-length-2-ins-rectangular</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/754/large_smg00210766.jpg</image:loc><image:title>Tinder-box (length 2 ins); rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993568/blue-easter-jumper-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076768/tinder-pistol-length-6-12-ins-of-brass</loc><lastmod>2026-01-09T15:21:40.901Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863469/yearbook-of-the-royal-society-including-entry-on-stephen-hawking</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/513/large_smg00256372__0001_.jpg</image:loc><image:title>Yearbook of the Royal Society including entry on Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/514/large_smg00256372__0002_.jpg</image:loc><image:title>Yearbook of the Royal Society including entry on Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/515/large_smg00256372__0003_.jpg</image:loc><image:title>Yearbook of the Royal Society including entry on Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993496/hangar-17-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076632/tinder-pouch-4-34-ins-of-red-leather</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/901/large_smg00225280.jpg</image:loc><image:title>Tinder-pouch (4 3/4 ins) of red leather</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/941/large_smg00225280.jpg</image:loc><image:title>Tinder-pouch (4 3/4 ins) of red leather</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729613/fossilised-fruit-cone</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457265/splint-possibly-for-a-stretcher</loc><lastmod>2026-01-09T15:21:40.568Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076640/tinder-bag-5-ins-square-of-brightly-coloured-patterned-cotton-fabric</loc><lastmod>2026-01-09T15:21:40.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/840/large_smg00210808.jpg</image:loc><image:title>Tinder-bag (5 ins square) of brightly-coloured patterned cotton fabric</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722393/k-y-lubricating-jelly-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199879/glass-bottle-for-atropine-sulphate-tablets</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863396/book-by-philosopher-of-science-terry-bristol-reflecting-on-the-relationship-between-hawkings-theories-and-his-experiences-as-a-person-with-disabilities</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/414/large_smg00256253__0002_.jpg</image:loc><image:title>Book by philosopher of science Terry Bristol reflecting on the relationship between Hawking&apos;s theories and his experiences as a person with disabilities</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/413/large_smg00256253__0001_.jpg</image:loc><image:title>Book by philosopher of science Terry Bristol reflecting on the relationship between Hawking&apos;s theories and his experiences as a person with disabilities</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/417/large_smg00256253__0005_.jpg</image:loc><image:title>Book by philosopher of science Terry Bristol reflecting on the relationship between Hawking&apos;s theories and his experiences as a person with disabilities</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/416/large_smg00256253__0004_.jpg</image:loc><image:title>Book by philosopher of science Terry Bristol reflecting on the relationship between Hawking&apos;s theories and his experiences as a person with disabilities</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/415/large_smg00256253__0003_.jpg</image:loc><image:title>Book by philosopher of science Terry Bristol reflecting on the relationship between Hawking&apos;s theories and his experiences as a person with disabilities</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076531/one-of-two-tinder-holders-lengths-2-ins-of-similar-type</loc><lastmod>2026-01-09T15:21:40.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/736/large_smg00207799.jpg</image:loc><image:title>One of Two Tinder-holders (lengths 2 ins) of similar type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077025/box-3-x-2-x-1-ins-of-thin-chip-covered-with-pale-magenta-paper</loc><lastmod>2026-01-09T15:21:40.948Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/520/664/large_smg00115816.jpg</image:loc><image:title>Box (3 x 2 x 1 ins) of thin chip covered with pale magenta paper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863637/photograph-of-stephen-hawking-at-the-pride-of-britain-awards-ceremony</loc><lastmod>2026-01-09T15:21:40.901Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076107/fire-steel-length-2-12-ins</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/802/large_smg00207744.jpg</image:loc><image:title>Fire-steel (length 2 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457264/type-t2-theodolite-stand</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076428/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/654/large_smg00297275.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863636/green-ceramic-tea-pot</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/978/large_smg00256025__0002_.jpg</image:loc><image:title>Green ceramic tea pot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/977/large_smg00256025__0001_.jpg</image:loc><image:title>Green ceramic tea pot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/980/large_smg00256025__0004_.jpg</image:loc><image:title>Green ceramic tea pot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/979/large_smg00256025__0003_.jpg</image:loc><image:title>Green ceramic tea pot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076224/one-of-four-fire-steels-lengths-3-to-2-14-ins</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/905/large_smg00207711.jpg</image:loc><image:title>One of four fire-steels (lengths 3 to 2 1/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076519/tinder-box-length-2-18-ins-roughly-rectangular-steel-on-back-each-side-bears-the-head-of-a-roman-soldier</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/172/large_smg00210661.jpg</image:loc><image:title>Tinder-box (length 2 1/8 ins); roughly rectangular; steel on back; each side bears the head of a Roman soldier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co81665/drug-jar-for-cold-cream</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722469/glass-tube-with-cork-stopper-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77387/post-mortem-rib-shears</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/949/large_smg00095617.jpg</image:loc><image:title>Post mortem rib shears</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199840/tin-canister-with-hinged-lid-for-bottle-of-carbolic-acid-liquid</loc><lastmod>2026-01-09T15:21:41.963Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722456/forceps-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076249/fire-steel-of-small-size</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984043/large-tabletop-stereoscope</loc><lastmod>2026-01-09T15:21:41.963Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/815/large_smg00453837.jpg</image:loc><image:title>Large Tabletop Stereoscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984121/bag-of-20-assorted-lens</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076274/fire-steel</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/871/large_smg00225311.jpg</image:loc><image:title>Fire Steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075979/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:41.963Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989537/watkins-snipe-meter</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/908/large_smg00454063.jpg</image:loc><image:title>Watkins &apos;Snipe&apos; Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863634/australian-outback-tea-in-metal-cup</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/153/large_smg00256030__0001_.jpg</image:loc><image:title>Australian outback tea in metal cup</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863427/small-coffee-cup</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/354/large_smg00256221__0001_.jpg</image:loc><image:title>Small coffee cup</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076090/one-of-five-fire-steels-elongated-o-shape</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/934/large_smg00207747.jpg</image:loc><image:title>One of five fire-steels, elongated &apos;O&apos; shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076872/fire-piston-length-4-13-ins-cylinder-of-thick-solid-lead</loc><lastmod>2026-01-09T15:21:41.963Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075847/fire-drill-and-hearth</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/992/large_smg00226567.jpg</image:loc><image:title>Fire-drill and hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201648/glass-bottle-of-apomorphine-hydrochloride</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722499/fistula-needles-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:41.963Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457948/model-of-mummys-head-by-roy-ashton</loc><lastmod>2026-01-09T15:21:41.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/458/large_2000_5000_0562__0001_.jpg</image:loc><image:title>Model of Mummy&apos;s head by Roy Ashton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076648/tinder-bag-of-leather-with-folding-flap</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199841/glass-bottle-for-carbolic-acid-liquid</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989744/glass-tubular-component</loc><lastmod>2026-01-09T15:21:42.390Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/839/large_smg00453958.jpg</image:loc><image:title>Glass Tubular Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076514/one-of-three-tinder-boxes</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/3/large_smg00207822.jpg</image:loc><image:title>One of three tinder-boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993451/white-shorts-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:42.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076075/one-of-three-fire-steels-with-thumb-pieces-at-top</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/203/large_smg00210697.jpg</image:loc><image:title>One of Three fire-steels with thumb-pieces at top</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077043/box-2-18-x-1-12-and-34-ins-of-vestas-rectangular-on-top</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/892/large_smg00297315.jpg</image:loc><image:title>Box (2 1/8 x 1 1/2 and 3/4 ins) of Vestas; rectangular; on top</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/597/large_smg00115847.jpg</image:loc><image:title>Box (2 1/8 x 1 1/2 and 3/4 ins) of Vestas; rectangular; on top</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076479/tinder-box-length-2-58-ins-on-lid-a-design-of-foliage</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199868/glass-bottle-for-valerian-tincture</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076899/paper-label-or-wrapper-2-78-x-2-34-ins-from-side-and-top-of-a-hertners-eupyrion</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/366/large_smg00210977.jpg</image:loc><image:title>Paper Label or Wrapper (2 7/8 x 2 3/4 ins) from side and top of a Hertner&apos;s &quot;Eupyrion&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076512/tinder-box-length-1-12-in-of-cast-silver-shaped-like-a-bivalve-shell-of-the-genus-cardium</loc><lastmod>2026-01-09T15:21:43.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/741/large_smg00207804.jpg</image:loc><image:title>Tinder-box (length 1 1/2 in) of cast silver; shaped like a bivalve shell of the genus Cardium</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863467/book-by-photographer-anton-corbijn-including-portraits-of-stephen-hawking</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/339/large_smg00256185__0003_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/343/large_smg00256185__0007_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/342/large_smg00256185__0006_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/338/large_smg00256185__0002_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/344/large_smg00256185__0008_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/341/large_smg00256185__0005_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/337/large_smg00256185__0001_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/340/large_smg00256185__0004_.jpg</image:loc><image:title>Book by photographer Anton Corbijn including portraits of Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993575/black-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985032/leitz-tabletop-tripod</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076106/fire-steel-length-3-18-ins-with-curved-striking-face-hand-hold-in-form-of-two-dolphins</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/905/large_smg00225284.jpg</image:loc><image:title>Fire-steel (length 3 1/8 ins) with curved striking-face; hand-hold in form of two dolphins</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/945/large_smg00225284.jpg</image:loc><image:title>Fire-steel (length 3 1/8 ins) with curved striking-face; hand-hold in form of two dolphins</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077080/one-of-two-books-of-ladoc-matches</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/881/large_smg00297304.jpg</image:loc><image:title>One of two books of &quot;Ladoc&quot; Matches</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/556/large_smg00115795.jpg</image:loc><image:title>One of two books of &quot;Ladoc&quot; Matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201796/phial-of-paregoric-tablets</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076054/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:43.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/148/large_smg00210636.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076806/tinder-pistol-combined-with-ink-well</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/276/large_smg00210857.jpg</image:loc><image:title>Tinder-pistol combined with ink-well</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076331/tinder-box-length-5-14-ins-of-oak-upright</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/625/large_smg00297236.jpg</image:loc><image:title>Tinder-box (length 5 1/4 ins) of oak; upright</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076546/tinder-horn-length-5-12-ins-of-rams-horn</loc><lastmod>2026-01-09T15:21:43.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/849/large_smg00210817.jpg</image:loc><image:title>Tinder-horn (length 5 1/2 ins) of ram&apos;s (?) horn;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199847/wooden-box-containing-47-glass-phials-parts-28-</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076997/a-lighter-length-3-12-ins-of-white-metal</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/352/large_smg00210963.jpg</image:loc><image:title>A Lighter (length 3 1/2 ins) of white-metal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728263/glitto-gas-mantle-box</loc><lastmod>2026-01-09T15:21:43.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075974/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/914/large_smg00225293.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/954/large_smg00225293.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993473/tomato-shoes-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199824/6-cloth-packages-containing-lengths-of-pink-dressings-with-bandage-attached</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076231/fire-steel</loc><lastmod>2026-01-09T15:21:43.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993501/apron-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863347/glass-jug</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/601/large_smg00256384__0001_.jpg</image:loc><image:title>Glass jug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/605/large_smg00256384__0005_.jpg</image:loc><image:title>Glass jug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/604/large_smg00256384__0004_.jpg</image:loc><image:title>Glass jug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/602/large_smg00256384__0002_.jpg</image:loc><image:title>Glass jug</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/603/large_smg00256384__0003_.jpg</image:loc><image:title>Glass jug</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076196/fire-steel-length-4-34-ins-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:43.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076151/fire-steel-length-1-78-in-of-similar-type-to-foregoing</loc><lastmod>2026-01-09T15:21:43.371Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076752/tinder-pistol-length-9-ins-of-bright-steel</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/277/large_smg00210858.jpg</image:loc><image:title>Tinder-pistol (length 9 ins) of bright steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076573/tinder-tube-length-4-ins-of-brass</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985410/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/932/large_smg00454095.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993601/pink-tutu-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993561/orange-vest-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984573/bag-of-13-assorted-lens</loc><lastmod>2026-01-09T15:21:43.655Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/385/large_smg00453920.jpg</image:loc><image:title>Bag of 13 Assorted Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076297/one-of-two-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076315/sulphur-matches-of-lime-wood</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/709/large_smg00120040.jpg</image:loc><image:title>Sulphur-matches of lime-wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993571/green-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076593/tinder-tube-length-3-ins-of-silver-or-nickel-curved</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/886/large_smg00225326.jpg</image:loc><image:title>Tinder-tube (length 3 ins) of silver or nickel; curved</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076560/tinder-tube-of-copper-brass-bands-and-caps</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199830/cardboard-box-containing-10-glass-ampoules-for-hyoscine-hydrobromide</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076378/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/586/large_smg00297214.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076216/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/249/large_smg00210757.jpg</image:loc><image:title>One of two fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076949/lighter-combined-with-a-pencil-holder</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/721/large_smg00123013.jpg</image:loc><image:title>Lighter combined with a pencil-holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722470/glass-tube-with-cork-stopper-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863472/book-with-portraits-celebrities-as-children-by-louis-boudreault-including-hawking</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/336/large_smg00256183__0005_.jpg</image:loc><image:title>Book with portraits celebrities as children by Louis Boudreault, including Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/332/large_smg00256183__0001_.jpg</image:loc><image:title>Book with portraits celebrities as children by Louis Boudreault, including Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/335/large_smg00256183__0004_.jpg</image:loc><image:title>Book with portraits celebrities as children by Louis Boudreault, including Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/334/large_smg00256183__0003_.jpg</image:loc><image:title>Book with portraits celebrities as children by Louis Boudreault, including Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/333/large_smg00256183__0002_.jpg</image:loc><image:title>Book with portraits celebrities as children by Louis Boudreault, including Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076853/brass-gilt-tinder-tube</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/346/large_smg00210957.jpg</image:loc><image:title>Brass gilt tinder-tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993492/dinner-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863654/book-on-black-holes-for-general-audiences-by-hawkings-biographer-kitty-ferguson</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/965/large_smg00256009__0001_.jpg</image:loc><image:title>Book on black holes for general audiences by Hawking&apos;s biographer Kitty Ferguson</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/966/large_smg00256009__0002_.jpg</image:loc><image:title>Book on black holes for general audiences by Hawking&apos;s biographer Kitty Ferguson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863656/book-celebrating-einsteins-centenary-with-contribution-by-stephen-hawking</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/578/large_smg00256007__0001_.jpg</image:loc><image:title>Book celebrating Einstein&apos;s centenary with contribution by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/579/large_smg00256007__0002_.jpg</image:loc><image:title>Book celebrating Einstein&apos;s centenary with contribution by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729800/fossilised-organic-substance</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077087/bryant-and-mays-ships-lifeboat-matches</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/497/79/large_smg00115386.jpg</image:loc><image:title>Bryant &amp; May&apos;s &quot;Ship&apos;s Lifeboat Matches&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993476/brown-boots-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076203/fire-steel-length-2-78-ins</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/14/large_smg00207833.jpg</image:loc><image:title>Fire-steel (length 2 7/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076818/locket-like-pistol-tinder-box-length-2-ins-of-bright-brass</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/266/large_smg00210846.jpg</image:loc><image:title>Locket-like Pistol Tinder-box (length 2 ins) of bright brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076458/tinder-box-length-3-12-ins-made-of-a-seed-pod-of-the-fan-palm-borassus</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/811/large_smg00207785.jpg</image:loc><image:title>Tinder-box (length 3 1/2 ins) made of a seed-pod of the Fan-palm (Borassus)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076710/chuckmuck-with-brass-decorations</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076498/one-of-two-tinder-boxes</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/411/large_smg00211034.jpg</image:loc><image:title>One of Two Tinder-boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863683/book-commemorating-300-years-of-newtons-work-on-gravity-co-edited-and-with-contribution-by-stephen-hawking-with-note-from-the-publisher</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/175/large_smg00255984__0004_.jpg</image:loc><image:title>Book commemorating 300 years of Newton&apos;s work on gravity, co-edited and with contribution by Stephen Hawking; with note from the publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/173/large_smg00255984__0002_.jpg</image:loc><image:title>Book commemorating 300 years of Newton&apos;s work on gravity, co-edited and with contribution by Stephen Hawking; with note from the publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/172/large_smg00255984__0001_.jpg</image:loc><image:title>Book commemorating 300 years of Newton&apos;s work on gravity, co-edited and with contribution by Stephen Hawking; with note from the publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/174/large_smg00255984__0003_.jpg</image:loc><image:title>Book commemorating 300 years of Newton&apos;s work on gravity, co-edited and with contribution by Stephen Hawking; with note from the publisher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993468/going-live-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985434/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/939/large_smg00454102.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076605/crocodile-tooth-tinder-tube-length-3-12-ins</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076416/tinder-box-of-iron-oval-small</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/910/large_smg00297334.jpg</image:loc><image:title>Tinder Box of Iron, oval, small.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076672/chuckmuck-length-2-34-ins-brass-mounts-on-flap</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/297/large_smg00210902.jpg</image:loc><image:title>Chuckmuck (length 2 3/4 ins); brass mounts on flap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076048/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/191/large_smg00210685.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729178/disk-drive-unit</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8592468/instruction-leaflet</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076679/chuckmuck-length-4-34-ins</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/801/large_smg00297131.jpg</image:loc><image:title>Chuckmuck (length 4 3/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076265/fire-steel-forming-back-of-a-brass-handled-hunters-pocket-knife-length-3-12-ins</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/46/large_smg00207839.jpg</image:loc><image:title>Fire-steel forming back of a brass-handled hunter&apos;s pocket-knife (length 3 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722464/catheter-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075938/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/872/large_smg00225312.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076654/chuckmuck-length-2-410-ins-small</loc><lastmod>2026-01-09T15:21:44.816Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/169/large_smg00210658.jpg</image:loc><image:title>Chuckmuck (length 2 4/10 ins); small</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993493/black-trousers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:44.901Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co203251/painting-by-john-bratby-of-the-cast-of-coronation-street</loc><lastmod>2026-01-09T15:21:44.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076089/one-of-five-fire-steels-elongated-o-shape</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/43/large_smg00207836.jpg</image:loc><image:title>One of five fire-steels, elongated &apos;O&apos; shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993548/wolverhampton-wanderers-scarf-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863437/book-with-collection-of-essays-outcome-of-contest-to-meet-stephen-hawking</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/350/large_smg00256212__0001_.jpg</image:loc><image:title>Book with collection of essays, outcome of contest to meet Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/353/large_smg00256212__0004_.jpg</image:loc><image:title>Book with collection of essays, outcome of contest to meet Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/351/large_smg00256212__0002_.jpg</image:loc><image:title>Book with collection of essays, outcome of contest to meet Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/352/large_smg00256212__0003_.jpg</image:loc><image:title>Book with collection of essays, outcome of contest to meet Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076015/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076138/fire-steel-thin-bright-cast-steel</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/925/large_smg00207732.jpg</image:loc><image:title>Fire-steel, thin bright cast steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8598193/coal-cutter-pick-blade</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863659/book-on-mathematics-for-general-audiences-with-dedication-to-hawking</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/952/large_smg00256004__0001_.jpg</image:loc><image:title>Book on mathematics for general audiences with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/955/large_smg00256004__0004_.jpg</image:loc><image:title>Book on mathematics for general audiences with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/953/large_smg00256004__0002_.jpg</image:loc><image:title>Book on mathematics for general audiences with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/954/large_smg00256004__0003_.jpg</image:loc><image:title>Book on mathematics for general audiences with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/956/large_smg00256004__0005_.jpg</image:loc><image:title>Book on mathematics for general audiences with dedication to Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993586/chefs-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076438/smokers-outfit</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/830/large_smg00210797.jpg</image:loc><image:title>Smoker&apos;s Outfit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077018/leaflet-of-white-paper-advertising-samuel-joness-lucifer-matches</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/818/large_smg00210666.jpg</image:loc><image:title>Leaflet of white paper advertising Samuel Jones&apos;s Lucifer Matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076960/lighter-one-of-eight</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/398/large_smg00211011.jpg</image:loc><image:title>Lighter, one of eight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993621/batman-jumpsuit-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200290/tabloid-first-field-dressing</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/483/720/large_smg00258547.jpg</image:loc><image:title>&quot;Tabloid&quot; first field dressing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077076/five-blocks-of-slender-matches</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989673/glass-developing-dish</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/952/large_smg00454125.jpg</image:loc><image:title>Glass Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076962/lighter-one-of-eight</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/368/large_smg00210979.jpg</image:loc><image:title>Lighter, one of eight</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076238/fire-steel-length-5-18-ins</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076594/tinder-tube-length-3-ins-of-silver-curved</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/667/large_smg00307911.jpg</image:loc><image:title>Tinder-tube (length 3 ins) of silver; curved</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993625/apron-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076537/tinder-holder-or-box-length-3-12-ins-of-brass-flat-and-wedge-shaped</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/710/large_smg00207768.jpg</image:loc><image:title>Tinder-holder or box (length 3 1/2 ins) of brass; flat and wedge-shaped</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076199/fire-steel-length-3-ins</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/63/large_smg00207856.jpg</image:loc><image:title>Fire-steel (length 3 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076435/tinder-box-length-3-34-ins-of-tin</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/429/large_smg00297355.jpg</image:loc><image:title>Tinder-box (length 3 3/4 ins) of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076545/model-of-a-tinder-horn-length-3-12-ins-of-bullocks-horn</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/560/large_smg00297112.jpg</image:loc><image:title>Model of a Tinder-horn (length 3 1/2 ins) of bullock&apos;s horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075855/photograph-getting-fire-with-a-fire-drill</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/937/large_smg00225363.jpg</image:loc><image:title>Photograph, getting fire with a Fire-drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076488/one-of-two-tinder-boxes-lengths-1-58-in-both-rectangular</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076903/instantaneous-light-box-height-3-ins</loc><lastmod>2026-01-09T15:21:46.165Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/666/large_smg00307910.jpg</image:loc><image:title>Instantaneous Light Box (height 3 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075908/cast-of-nodule-of-iron-pyrites-and-flint-flake-originals-now-in-the-british-museum-found-by-canon-greenwell</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076555/tinder-tube-of-brass</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/868/large_smg00225308.jpg</image:loc><image:title>Tinder Tube of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076795/tinder-pistol-length-5-ins-of-brass</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/273/large_smg00210854.jpg</image:loc><image:title>Tinder-pistol (length 5 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8990114/ross-homocentric-lens</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/477/large_smg00453133.jpg</image:loc><image:title>Ross Homocentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076481/tinder-box-length-2-ins-semi-circular</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/161/large_smg00210650.jpg</image:loc><image:title>Tinder-box (length 2 ins); semi-circular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076628/tinder-bag-of-red-leather</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/254/large_smg00210788.jpg</image:loc><image:title>Tinder Bag of Red Leather</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863410/book-on-particle-physics-for-general-audiences-offered-to-hawking-by-its-publisher</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/156/large_smg00256236__0002_.jpg</image:loc><image:title>Book on particle physics for general audiences, offered to Hawking by its publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/157/large_smg00256236__0005_.jpg</image:loc><image:title>Book on particle physics for general audiences, offered to Hawking by its publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/218/large_smg00256236__0004_.jpg</image:loc><image:title>Book on particle physics for general audiences, offered to Hawking by its publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/216/large_smg00256236__0001_.jpg</image:loc><image:title>Book on particle physics for general audiences, offered to Hawking by its publisher</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/217/large_smg00256236__0003_.jpg</image:loc><image:title>Book on particle physics for general audiences, offered to Hawking by its publisher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076515/one-of-three-tinder-boxes</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/821/large_smg00297157.jpg</image:loc><image:title>One of three tinder-boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993453/uniform-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076483/tinder-box-length-2-14-ins-roughly-rectangular</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/816/large_smg00297146.jpg</image:loc><image:title>Tinder-box (length 2 1/4 ins); roughly rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863483/photograph-of-stephen-hawking-with-director-steven-spielberg-and-his-alien-character-et</loc><lastmod>2026-01-09T15:21:46.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/149/large_smg00256169__0002_.jpg</image:loc><image:title>Photograph of Stephen Hawking with director Steven Spielberg and his alien character E.T.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/208/large_smg00256169__0001_.jpg</image:loc><image:title>Photograph of Stephen Hawking with director Steven Spielberg and his alien character E.T.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076727/tinder-pistol-length-8-12-ins-of-iron</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/939/large_smg00297371.jpg</image:loc><image:title>Tinder-pistol (length 8 1/2 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863363/book-on-the-history-of-flight-gifted-to-hawking-by-nasas-head-of-aeronautics-research-jaiwon-shin</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/712/large_smg00256264__0002_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/716/large_smg00256264__0006_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/718/large_smg00256264__0008_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/714/large_smg00256264__0004_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/711/large_smg00256264__0001_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/698/472/large_2021_0561_0173__0001_.jpg</image:loc><image:title>Book on the history of flight gifted to Hawking by NASA&apos;s head of aeronautics research Jaiwon Shin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863727/group-photograph-from-the-institute-of-physics</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075978/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:46.268Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/214/large_smg00210715.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076431/tinder-box-of-brass</loc><lastmod>2026-01-09T15:21:46.364Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/921/large_smg00297345.jpg</image:loc><image:title>Tinder Box of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985306/a-ross-waterhouse-stops</loc><lastmod>2026-01-09T15:21:47.665Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/894/large_smg00454040.jpg</image:loc><image:title>A. Ross Waterhouse Stops</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065602/diathermy-electrode</loc><lastmod>2026-01-09T15:21:47.665Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077014/photograph-of-an-inscribed-brass-plate</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/950/large_smg00225379.jpg</image:loc><image:title>Photograph of an inscribed Brass Plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076714/tinder-pistol-length-10-12-ins-of-iron-silvered</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/949/large_smg00297381.jpg</image:loc><image:title>Tinder-pistol (length 10 1/2 ins) of iron silvered</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076136/fire-steel-length-2-34-ins</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/809/large_smg00297139.jpg</image:loc><image:title>Fire-steel (length 2 3/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075861/hearth-for-a-fire-drill</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/981/large_smg00226556.jpg</image:loc><image:title>Hearth for a fire-drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076543/tinder-horn-length-5-ins</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/944/large_smg00207757.jpg</image:loc><image:title>Tinder-horn (length 5 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8600059/ferranti-computer-relay</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/264/large_y1996_0010_1439__0003_.jpg</image:loc><image:title>Ferranti computer relay</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/261/large_y1996_0010_1439__0001_.jpg</image:loc><image:title>Ferranti computer relay</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/316/263/large_y1996_0010_1439__0002_.jpg</image:loc><image:title>Ferranti computer relay</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076551/tinder-tube</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/857/large_smg00225297.jpg</image:loc><image:title>Tinder-tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076930/dobereiner-lamp-height-11-12-ins-in-round-wooden-case</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/549/large_smg00115392.jpg</image:loc><image:title>Döbereiner Lamp (height 11 1/2 ins) in round wooden case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985413/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/934/large_smg00454097.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8599525/naylor-bedward-gas-cap-demonstrator</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/632/large_smg00244287.jpg</image:loc><image:title>Naylor Bedward gas cap demonstrator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076508/tinder-box-length-2-14-ins-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/740/large_smg00207803.jpg</image:loc><image:title>Tinder-box (length 2 1/4 ins) of silver; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077023/match-case-80-x-40-x-5-mm-when-closed-of-thin-leatherette</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/988/large_smg00303056.jpg</image:loc><image:title>Match-case (80 x 40 x 5 mm when closed) of thin leatherette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076160/fire-steel-length-1-58-in-small-and-thin-rivetted-on-to-a-hand-hold-in-form-of-a-lion-statant-guardant</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/171/large_smg00210660.jpg</image:loc><image:title>Fire-steel (length 1 5/8 in); small and thin; rivetted on to a hand-hold in form of a lion statant guardant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075851/fire-drill-and-hearth-sambaa-people-tanzania</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/955/large_smg00225384.jpg</image:loc><image:title>Fire-drill and hearth, Sambaa people, Tanzania</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076660/chuckmuck-length-2-58-ins-small-and-rudely-made</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/291/large_smg00210896.jpg</image:loc><image:title>Chuckmuck (length 2 5/8 ins); small and rudely made</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8592448/cardboard-carton</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/619/large_1984_1089_0006__0002_.jpg</image:loc><image:title>Cardboard carton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/618/large_1984_1089_0006__0003_.jpg</image:loc><image:title>Cardboard carton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/480/617/large_1984_1089_0006__0001_.jpg</image:loc><image:title>Cardboard carton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199855/8-glass-phials</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076891/one-of-two-instantaneous-light-boxes</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/500/large_smg00210865.jpg</image:loc><image:title>One of Two Instantaneous Light Boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729189/four-coal-cutter-teeth</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075994/fire-steel</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/824/large_smg00210744.jpg</image:loc><image:title>Fire steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993541/super-mario-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:47.670Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457947/plaster-cast-model-head-of-peter-cushing</loc><lastmod>2026-01-09T15:21:47.665Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/739/656/large_2000_5000_0553__0001_.jpg</image:loc><image:title>Plaster cast model head of Peter Cushing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/739/658/large_2000_5000_0553__0003_.jpg</image:loc><image:title>Plaster cast model head of Peter Cushing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/739/655/large_2000_5000_0553__0002_.jpg</image:loc><image:title>Plaster cast model head of Peter Cushing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077083/one-box-bryant-and-mays-birds-eye-wax-vestas</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/883/large_smg00297306.jpg</image:loc><image:title>one box - Bryant &amp; May&apos;s &quot;Bird&apos;s Eye&quot; Wax Vestas</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989621/blue-photo-album</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/515/large_smg00453984.jpg</image:loc><image:title>Blue Photo Album</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863458/framed-photograph-of-stephen-hawking-with-four-students-in-his-office</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/265/large_smg00256371__0001_.jpg</image:loc><image:title>Framed photograph of Stephen Hawking with four students in his office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076766/tinder-pistol-length-7-ins-of-brass</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/945/large_smg00297377.jpg</image:loc><image:title>Tinder-pistol (length 7 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729907/sigillaria-reniformis-fossil-from-bacup</loc><lastmod>2026-01-09T15:21:47.410Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863408/book-the-adventures-of-the-spaceman-billionaire-one-of-three-identical-copies</loc><lastmod>2026-01-09T15:21:47.665Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/371/large_smg00256240__0001_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/372/large_smg00256240__0002_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/373/large_smg00256240__0003_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076082/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200279/black-eye-patch-with-elastic-ties</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076599/crocodile-tooth-tinder-tube-length-3-12-ins</loc><lastmod>2026-01-09T15:21:47.665Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77384/post-mortem-saw</loc><lastmod>2026-01-09T15:21:47.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/369/867/large_smg00099712.jpg</image:loc><image:title>Post mortem saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729181/disk-drive-unit</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076191/fire-steel-length-3-14-ins</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993583/brown-duffle-coat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863660/book-for-general-audiences-one-of-first-with-a-modern-account-of-general-relativity-including-the-big-bang-and-black-holes</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/958/large_smg00256005__0002_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/960/large_smg00256005__0004_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/957/large_smg00256005__0001_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/959/large_smg00256005__0003_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/962/large_smg00256005__0006_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/961/large_smg00256005__0005_.jpg</image:loc><image:title>Book for general audiences, one of first with a modern account of General Relativity including the Big Bang and black holes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993593/gold-cummerbund-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076494/tinder-box-length-1-58-in-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/9/large_smg00207828.jpg</image:loc><image:title>Tinder-box (length 1 5/8 in) of silver; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993524/black-beret-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076568/tinder-tube</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/863/large_smg00225303.jpg</image:loc><image:title>Tinder tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199875/small-glass-bottle-for-zinc-sulphate-crystals</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076662/chuckmuck-length-2-78-ins-brass-mounts-on-flap</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/499/large_smg00210864.jpg</image:loc><image:title>Chuckmuck (length 2 7/8 ins); brass mounts on flap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065632/length-of-rail-from-the-pen-y-darren-tramway-near-abercynon</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076511/tinder-box-length-1-78-in-rectangular-lid-hinged-at-back-steel-on-front-on-lid</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/737/large_smg00207800.jpg</image:loc><image:title>Tinder-box (length 1 7/8 in); rectangular; lid hinged at back; steel on front; on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076159/fire-steel-length-2-ins-small</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/917/large_smg00207724.jpg</image:loc><image:title>Fire-steel (length 2 ins); small</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076339/tinder-box-length-10-58-ins-of-wood</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/961/large_smg00226536.jpg</image:loc><image:title>Tinder-box (length 10 5/8 ins) of wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076060/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/76/large_smg00207870.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985399/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/929/large_smg00454092.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075944/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/842/large_smg00297178.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863391/the-prince-of-asturias-award</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/588/large_smg00256377__0004_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/590/large_smg00256377__0006_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/585/large_smg00256377__0001_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/587/large_smg00256377__0003_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/586/large_smg00256377__0002_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/589/large_smg00256377__0005_.jpg</image:loc><image:title>The Prince of Asturias Award</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076153/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/656/large_smg00122459.jpg</image:loc><image:title>One of two fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076988/a-lighter-in-form-of-a-locket-length-1-58-in</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/371/large_smg00210983.jpg</image:loc><image:title>A Lighter in form of a locket (length 1 5/8 in)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076277/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/646/large_smg00297267.jpg</image:loc><image:title>One of twelve bundles of Sulphur-matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993623/batman-t-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201833/phial-controlled-drug-cocaine</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722388/glass-dropper-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863703/framed-record-stephen-hawking-sings-galaxy-song-with-monty-python-autographs</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/916/large_smg00255977__0002_.jpg</image:loc><image:title>Framed record: ‘Stephen Hawking sings Galaxy Song’ with Monty Python autographs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863473/book-with-proceedings-of-15th-workshop-on-general-relativity-and-gravitation-in-japan</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/307/large_smg00256178__0001_.jpg</image:loc><image:title>Book with proceedings of 15th Workshop on General Relativity and Gravitation in Japan</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/308/large_smg00256178__0002_.jpg</image:loc><image:title>Book with proceedings of 15th Workshop on General Relativity and Gravitation in Japan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993589/black-leather-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:48.769Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075940/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/936/large_smg00207749.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076485/one-of-three-tinder-boxes</loc><lastmod>2026-01-09T15:21:48.872Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077089/the-matchhog-pull-matches</loc><lastmod>2026-01-09T15:21:48.915Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/822/large_smg00297158.jpg</image:loc><image:title>&quot;The Matchhog&quot; pull matches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993513/goggles-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77395/bowel-scissors</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/939/large_smg00095606.jpg</image:loc><image:title>Bowel scissors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076304/sulphur-matches-length-4-12-ins-of-wood-small-size-pointed-and-dipped-at-one-end-only</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/497/large_smg00210862.jpg</image:loc><image:title>Sulphur-matches (length 4 1/2 ins) of wood; small size; pointed and dipped at one end only</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982522/a-beck-type-of-extra-rapid-aplanat-lens</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/800/large_smg00453620.jpg</image:loc><image:title>A Beck Type of Extra Rapid Aplanat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199581/glass-dispensing-bottle-used-for-a-purgative-drug-england-1850-1900</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993606/black-leather-cap-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:49.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076170/fire-steel-length-2-ins-with-much-curved-striking-face-hand-hold-in-form-of-a-winged-sphinx</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/811/large_smg00297141.jpg</image:loc><image:title>Fire-steel (length 2 ins) with much-curved striking-face; hand-hold in form of a winged sphinx</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076282/one-of-twelve-bundles-of-sulphur-matches</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077084/one-box-bryant-and-mays-swan-vestas-modern</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/573/large_smg00297165.jpg</image:loc><image:title>one box - Bryant &amp; May&apos;s &quot;Swan Vestas&quot; (modern)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/829/large_smg00297165.jpg</image:loc><image:title>one box - Bryant &amp; May&apos;s &quot;Swan Vestas&quot; (modern)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985332/barnet-super-speed-ortho-plate</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/529/large_smg00454041.jpg</image:loc><image:title>Barnet Super Speed Ortho Plate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863485/photograph-of-stephen-hawking-with-chilean-president-michelle-bachelet</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993016/dallmeyer-no1-mutac-lens</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/988/large_smg00454684.jpg</image:loc><image:title>Dallmeyer No1 Mutac Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985271/imperial-non-filter-ortho-plates</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/889/large_smg00454033.jpg</image:loc><image:title>Imperial Non-filter Ortho Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076906/instantaneous-light-box-height-3-ins</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/790/large_smg00211049.jpg</image:loc><image:title>Instantaneous Light Box (height 3 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076951/one-of-four-lighters</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/313/large_smg00210924.jpg</image:loc><image:title>One of four lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077006/metal-pocket-lighter-petrol-type</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/395/large_smg00211008.jpg</image:loc><image:title>Metal Pocket lighter, petrol type.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722324/doctors-bag-made-of-leather-english-1925-1935</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993600/pink-shoes-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984104/weston-master-exposure-meter</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/219/large_smg00214785.jpg</image:loc><image:title>Weston Master Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076195/fire-steel-combined-with-ember-tongs-and-small-knife-blade</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/957/large_smg00207814.jpg</image:loc><image:title>Fire-steel combined with ember-tongs and small knife-blade</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076530/one-of-two-tinder-holders-lengths-2-ins-of-similar-type</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/170/large_smg00210659.jpg</image:loc><image:title>One of Two Tinder-holders (lengths 2 ins) of similar type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075915/flint-flake</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076185/fire-steel-length-3-38-ins-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/1/large_smg00207820.jpg</image:loc><image:title>Fire-steel (length 3 3/8 ins) combined with ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863407/book-the-adventures-of-the-spaceman-billionaire-one-of-three-identical-copies</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/369/large_smg00256239__0002_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/370/large_smg00256239__0003_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/368/large_smg00256239__0001_.jpg</image:loc><image:title>Book: The Adventures of the Spaceman Billionaire (one of three identical copies)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076476/tinder-box-length-2-ins-on-lid</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/156/large_smg00210645.jpg</image:loc><image:title>Tinder-box (length 2 ins); on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076757/tinder-pistol-length-9-18-ins-of-iron</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/943/large_smg00297375.jpg</image:loc><image:title>tinder-pistol (length 9 1/8 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075984/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/209/large_smg00210710.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984040/development-tray</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/363/large_smg00453284.jpg</image:loc><image:title>development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076791/iron-tinder-pistol</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/959/large_smg00297393.jpg</image:loc><image:title>Iron tinder-pistol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076606/crocodile-tooth-tinder-tube-length-4-ins</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/724/large_smg00207787.jpg</image:loc><image:title>Crocodile-tooth Tinder-tube (length 4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863621/miniature-swarm-satellite</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/33/large_smg00256042__0002_.jpg</image:loc><image:title>Miniature swarm satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/32/large_smg00256042__0001_.jpg</image:loc><image:title>Miniature swarm satellite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065599/leather-case-for-neurosurgical-instruments</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/315/large_smg00265244.jpg</image:loc><image:title>Leather case for neurosurgical instruments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722447/cork-stopper-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076680/chuckmuck-length-5-ins-steel-mounts-on-flap-engraved-with-poor-designs-of-flowers-and-foliage</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/300/large_smg00210905.jpg</image:loc><image:title>Chuckmuck (length 5 ins); steel mounts on flap engraved with poor designs of flowers and foliage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076664/chuckmuck-length-2-78-ins-brass-mounts-on-flap</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/668/large_smg00307912.jpg</image:loc><image:title>Chuckmuck (length 2 7/8 ins); brass mounts on flap</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722382/compressed-bandage-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076179/fire-steel-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:50.215Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076086/one-of-five-fire-steels-elongated-o-shape</loc><lastmod>2026-01-09T15:21:50.099Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/933/large_smg00207746.jpg</image:loc><image:title>One of five fire-steels, elongated &apos;O&apos; shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076233/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/66/large_smg00207859.jpg</image:loc><image:title>One of two fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076506/tinder-box-length-2-12-ins-of-silver-rectangular</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/895/large_smg00207699.jpg</image:loc><image:title>Tinder-box (length 2 1/2 ins) of silver; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984453/ensign-ceramic-development-tray</loc><lastmod>2026-01-09T15:21:50.261Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/374/large_smg00453841.jpg</image:loc><image:title>ensign ceramic development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200376/canister-controlled-drug-cocaine</loc><lastmod>2026-01-09T15:21:50.452Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863380/photograph-of-stephen-hawking-with-gonville-hall-debating-society</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/268/large_smg00256376__0002_.jpg</image:loc><image:title>Photograph of Stephen Hawking with Gonville Hall Debating Society</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/267/large_smg00256376__0001_.jpg</image:loc><image:title>Photograph of Stephen Hawking with Gonville Hall Debating Society</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076653/chuckmuck-length-2-410-ins-poor-and-of-small-size</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/289/large_smg00210894.jpg</image:loc><image:title>Chuckmuck (length 2 4/10 ins); poor and of small size</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076661/chuckmuck-length-2-14-ins-small</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/292/large_smg00210897.jpg</image:loc><image:title>Chuckmuck (length 2 1/4 ins); small</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985062/30-developing-tanks</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/820/large_smg00453869.jpg</image:loc><image:title>30 Developing Tanks</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982573/collection-of-approx-160-pharmaceutical-drugs</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722392/cotton-wool-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863620/3-d-printed-model-of-new-horizons-satellite</loc><lastmod>2026-01-09T15:21:52.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/25/large_smg00256041__0001_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/31/large_smg00256041__0007_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/30/large_smg00256041__0006_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/26/large_smg00256041__0002_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/29/large_smg00256041__0005_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/28/large_smg00256041__0004_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/27/large_smg00256041__0003_.jpg</image:loc><image:title>3-D Printed Model of New Horizons Satellite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076739/tinder-pistol-of-iron-length-7-ins-with-wooden-butt</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/960/large_smg00297394.jpg</image:loc><image:title>Tinder-pistol of iron (length 7 ins) with wooden butt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989562/developing-tank</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/968/large_smg00454147.jpg</image:loc><image:title>Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993525/flat-cap-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989616/kodak-developing-dish</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/960/large_smg00454133.jpg</image:loc><image:title>Kodak Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8720254/wire-rope-sample</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077005/metal-pocket-lighter-petrol-type</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722440/needle-with-steel-shaft-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076452/tinder-box-length-2-12-ins-of-silver</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/54/large_smg00207847.jpg</image:loc><image:title>Tinder-box (length 2 1/2 ins) of silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076670/chuckmuck-length-3-ins-brass-mounts-on-flap</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075990/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/212/large_smg00210713.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075970/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/937/large_smg00207750.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076792/tinder-pistol-length-5-12-ins-of-brass</loc><lastmod>2026-01-09T15:21:52.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/964/large_smg00297398.jpg</image:loc><image:title>Tinder-pistol (length 5 1/2 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985201/the-jaynay-patent-trimmer</loc><lastmod>2026-01-09T15:21:52.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/871/large_smg00454010.jpg</image:loc><image:title>The &quot;Jaynay&quot; Patent Trimmer.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722451/scalpel-case-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863402/book-with-proceedings-of-conference-on-quantum-field-theories-and-quantum-gravity-near-zaragoza-spain</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/524/large_smg00256375__0003_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/526/large_smg00256375__0005_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/527/large_smg00256375__0006_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/522/large_smg00256375__0001_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/525/large_smg00256375__0004_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/523/large_smg00256375__0002_.jpg</image:loc><image:title>Book with proceedings of conference on quantum field theories and quantum gravity near Zaragoza (Spain)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076955/a-lighter-diam-1-34-in-of-steel</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/315/large_smg00210926.jpg</image:loc><image:title>A Lighter (diam 1 3/4 in) of steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989605/developing-dish</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/963/large_smg00454136.jpg</image:loc><image:title>Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077075/japanese-box-of-matches-marked-nyk-line</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/867/large_smg00297288.jpg</image:loc><image:title>Japanese box of matches, marked NYK line.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/570/large_smg00115810.jpg</image:loc><image:title>Japanese box of matches, marked NYK line.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993542/super-mario-dungarees-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863642/water-filter</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863666/book-from-starmus-festival-in-tenerife-canary-islands-spain-celebrating-hawking-including-his-contribution</loc><lastmod>2026-01-09T15:21:52.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/951/large_smg00255998__0003_.jpg</image:loc><image:title>Book from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking, including his contribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/949/large_smg00255998__0001_.jpg</image:loc><image:title>Book from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking, including his contribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/950/large_smg00255998__0002_.jpg</image:loc><image:title>Book from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking, including his contribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076178/fire-steel-combined-with-ember-tongs</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076774/tinder-pistol-length-8-ins-of-brass</loc><lastmod>2026-01-09T15:21:52.382Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/936/large_smg00297367.jpg</image:loc><image:title>Tinder-pistol (length 8 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076623/tinder-bag-in-form-of-a-pocket-length-2-34-ins-of-bead-work</loc><lastmod>2026-01-09T15:21:52.708Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201742/carton-for-10-ampoules-of-penicillin-sodium-salt</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/508/874/large_smg00283721.jpg</image:loc><image:title>Carton for 10 Ampoules of Penicillin Sodium Salt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199850/10-glass-phials-containing-sodium-bicarbonate-tablets</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076334/tinder-box-length-15-ins-of-oak</loc><lastmod>2026-01-09T15:21:52.651Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/619/large_smg00297230.jpg</image:loc><image:title>Tinder-box (length 15 ins) of oak</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201692/codopyrin-tube-of-20-tablets-boxed-glaxo</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076406/tinder-box-length-3-14-ins</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/852/large_smg00210820.jpg</image:loc><image:title>Tinder-box (length 3 1/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075965/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/833/large_smg00297169.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076011/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/208/large_smg00210702.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076970/metal-tubular-pocket-flint-lighter</loc><lastmod>2026-01-09T15:21:52.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/405/large_smg00211018.jpg</image:loc><image:title>Metal Tubular Pocket Flint Lighter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076127/fire-steel-length-2-58-ins</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076474/tinder-box-length-3-ins-has-a-double-snap-catch-on-lid</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/953/large_smg00207810.jpg</image:loc><image:title>Tinder-box (length 3 ins); has a double snap-catch; on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863435/book-with-courses-offered-for-instruction-at-harvard-university-during-the-academic-year-1983-1984</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/528/large_smg00256378__0001_.jpg</image:loc><image:title>Book with courses offered for instruction at Harvard University during the academic year 1983-1984</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/529/large_smg00256378__0002_.jpg</image:loc><image:title>Book with courses offered for instruction at Harvard University during the academic year 1983-1984</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863675/book-on-supersymmetry-and-its-applications-edited-by-stephen-hawking-and-his-students</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/180/large_smg00255990__0001_.jpg</image:loc><image:title>Book on supersymmetry and its applications edited by Stephen Hawking and his students</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/187/large_smg00255990__0003_.jpg</image:loc><image:title>Book on supersymmetry and its applications edited by Stephen Hawking and his students</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/184/large_smg00255990__0002_.jpg</image:loc><image:title>Book on supersymmetry and its applications edited by Stephen Hawking and his students</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201832/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076898/leaflet-11-14-x-9-ins-advertising-hertners-euperion</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/991/large_smg00226566.jpg</image:loc><image:title>Leaflet (11 1/4 x 9 ins) advertising Hertner&apos;s Euperion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8594298/an-account-of-the-primitive-tribes-and-monuments-of-the-nilagiris</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076371/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/903/large_smg00297327.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076823/locket-like-pistol-tinder-box-length-1-34-in-of-bright-brass-on-top</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/262/large_smg00210841.jpg</image:loc><image:title>Locket-like Pistol Tinder-box (length 1 3/4 in) of bright brass; on top</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076214/one-of-two-fire-steels</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076489/one-of-two-tinder-boxes-lengths-1-58-in-both-rectangular</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076155/fire-steel-length-2-12-ins-of-somewhat-similar-type</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/935/large_smg00207748.jpg</image:loc><image:title>Fire-steel (length 2 1/2 ins) of somewhat similar type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075955/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076592/armadillo-tail-tinder-tube-length-4-ins</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/894/large_smg00225270.jpg</image:loc><image:title>Armadillo-tail Tinder-tube (length 4 ins)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/934/large_smg00225270.jpg</image:loc><image:title>Armadillo-tail Tinder-tube (length 4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984050/metal-development-tray</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/365/large_smg00453286.jpg</image:loc><image:title>Metal Development Tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076580/tinder-tube-length-2-34-ins-in-hard-wood</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/890/large_smg00225330.jpg</image:loc><image:title>Tinder-tube (length 2 3/4 ins) in hard wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076956/a-lighter-consisting-of-a-tinder-tube-of-steel</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863704/silicon-wafer-inscribed-with-stephen-hawking-name-on-nanoscale</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/918/large_smg00255978__0002_.jpg</image:loc><image:title>Silicon wafer inscribed with &apos;Stephen Hawking&apos; name on nanoscale</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/917/large_smg00255978__0001_.jpg</image:loc><image:title>Silicon wafer inscribed with &apos;Stephen Hawking&apos; name on nanoscale</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/919/large_smg00255978__0003_.jpg</image:loc><image:title>Silicon wafer inscribed with &apos;Stephen Hawking&apos; name on nanoscale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989522/photographic-slides-of-italian-landscapes</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/922/large_smg00454084.jpg</image:loc><image:title>Photographic Slides of Italian Landscapes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075960/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/4/large_smg00207823.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984038/busch-bis-telar-series-ii-lens</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076350/tinder-box-diam-4-14-ins-of-tin</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/614/large_smg00297225.jpg</image:loc><image:title>Tinder-box (diam 4 1/4 ins) of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985255/barnet-super-speed-ortho-plate-handd-550</loc><lastmod>2026-01-09T15:21:53.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/525/large_smg00454023.jpg</image:loc><image:title>Barnet Super-speed Ortho Plate H&amp;D 550</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076950/one-of-four-lighters</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/307/large_smg00210918.jpg</image:loc><image:title>One of four lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076737/tinder-pistol-of-iron-length-6-ins</loc><lastmod>2026-01-09T15:21:53.802Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/975/large_smg00297409.jpg</image:loc><image:title>Tinder-pistol of iron (length 6 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993618/red-shoes-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076777/tinder-pistol-length-7-12-ins-of-brass</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/944/large_smg00297376.jpg</image:loc><image:title>Tinder-pistol (length 7 1/2 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076006/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8990113/wooden-double-darkslide</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/946/large_smg00454119.jpg</image:loc><image:title>Wooden Double Darkslide</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076910/instantaneous-light-box-height-4-ins</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/799/large_smg00297128.jpg</image:loc><image:title>Instantaneous Light Box (height 4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993037/glyphoscope-stereo-box-camera</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/991/large_smg00454687.jpg</image:loc><image:title>&apos;Glyphoscope&apos; Stereo Box Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457430/altair-8800b-turnkey-system-unit</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729789/fossilised-leaf-impression</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8858285/class-306-no-65417</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076556/tinder-tube-of-brass-brass-cap</loc><lastmod>2026-01-09T15:21:53.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/856/large_smg00225296.jpg</image:loc><image:title>Tinder Tube of Brass, brass cap.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199831/cardboard-box-containing-10-glass-ampoules</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076000/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/941/large_smg00207754.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989579/granitine-developing-tank</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/541/large_smg00454140.jpg</image:loc><image:title>Granitine Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722425/tramway-wedges</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989525/illustrated-slides</loc><lastmod>2026-01-09T15:21:54.041Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/909/large_smg00454064.jpg</image:loc><image:title>Illustrated Slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076213/fire-steel-length-2-58-ins-of-small-size-hand-hold-at-back-in-form-of-a-short-thick-collared-hound</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/938/large_smg00207751.jpg</image:loc><image:title>Fire-steel (length 2 5/8 ins) of small size; hand-hold at back in form of a short thick collared hound</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863459/freeze-dried-coffee-half-used</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/330/large_smg00256195__0001_.jpg</image:loc><image:title>Freeze-dried coffee, half used</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076018/fire-steel-with-2-tangs-to-form-a-handle</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/714/large_smg00207772.jpg</image:loc><image:title>Fire Steel, with 2 Tangs to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729611/fossilised-fern-impression</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863480/book-on-aerodynamics-dating-from-hawkings-early-career-with-later-dedication-by-the-author</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/511/large_smg00256367__0004_.jpg</image:loc><image:title>Book on aerodynamics dating from Hawking&apos;s early career, with later dedication by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/508/large_smg00256367__0001_.jpg</image:loc><image:title>Book on aerodynamics dating from Hawking&apos;s early career, with later dedication by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/509/large_smg00256367__0002_.jpg</image:loc><image:title>Book on aerodynamics dating from Hawking&apos;s early career, with later dedication by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/512/large_smg00256367__0005_.jpg</image:loc><image:title>Book on aerodynamics dating from Hawking&apos;s early career, with later dedication by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/510/large_smg00256367__0003_.jpg</image:loc><image:title>Book on aerodynamics dating from Hawking&apos;s early career, with later dedication by the author</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993590/black-leather-jacket-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076165/one-of-three-fire-steels</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/7/large_smg00207826.jpg</image:loc><image:title>One of three fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457937/make-up-kit-used-by-phil-leakey-in-his-role-as-special-effects-make-up-artist-for-hammer-films</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076232/fire-steel</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/177/large_smg00210671.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076152/tinder-box-made-from-the-shells-of-two-half-gourds-west-indies-1910</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/50/large_smg00207843.jpg</image:loc><image:title>Tinder-box made from the shells of two half-gourds, West Indies, 1910</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076144/one-of-nine-fire-steels</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/666/large_smg00122469.jpg</image:loc><image:title>One of nine fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076247/fire-steel-length-3-38-ins-with-striking-face-curved</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/943/large_smg00207756.jpg</image:loc><image:title>Fire-steel (length 3 3/8 ins) with striking-face curved</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989788/metal-ring-fitting</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/18/large_smg00454279.jpg</image:loc><image:title>Metal Ring Fitting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993642/turquoise-tie-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984463/ceramic-development-tray</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/378/large_smg00453853.jpg</image:loc><image:title>ceramic development tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076890/instantaneous-light-box-height-2-ins-of-tin-rectangular</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/792/large_smg00211051.jpg</image:loc><image:title>Instantaneous Light Box (height 2 ins) of tin; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076360/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/615/large_smg00297226.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993629/white-dress-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728265/glitto-gas-mantle-box</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076643/tinder-bag-depth-7-14-ins-of-some-buff-coloured-finely-woven-grass-fibre</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/365/large_smg00210976.jpg</image:loc><image:title>Tinder-bag (depth 7 1/4 ins) of some buff-coloured finely-woven grass fibre</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722441/pencil-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:54.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863662/book-with-debate-on-consciousness-with-participation-by-roger-penrose-with-commentary-by-stephen-hawking</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/574/large_smg00256002__0001_.jpg</image:loc><image:title>Book with debate on consciousness with participation by Roger Penrose, with commentary by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/575/large_smg00256002__0002_.jpg</image:loc><image:title>Book with debate on consciousness with participation by Roger Penrose, with commentary by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076323/photograph-of-a-holder-for-sulphur-matches</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989569/granitine-developing-tank</loc><lastmod>2026-01-09T15:21:55.142Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/964/large_smg00454143.jpg</image:loc><image:title>Granitine Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076464/tinder-box-length-1-78-in-a-sitting-squirrel-chased-on-lid</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/163/large_smg00210652.jpg</image:loc><image:title>Tinder-box (length 1 7/8 in); a sitting squirrel chased on lid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075860/fire-drill-length-17-12-ins-and-hearth-4-34-x-12-x-34-ins-drill</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993532/red-top-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722398/bottle-containing-lysol-disinfectant-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199845/glass-bottle-for-tincture-of-iodine</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076820/locket-like-pistol-tinder-box-length-1-34-in-of-frosted-brass-on-top</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/267/large_smg00210848.jpg</image:loc><image:title>Locket-like Pistol Tinder-box length 1 3/4 in) of frosted brass; on top</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076072/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:55.225Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/228/large_smg00210729.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722376/box-of-rubber-o-rings-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076261/fire-steel-length-1-916-in-of-very-diminutive-size-hand-hold-of-two-slender</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co200521/glass-bottle-with-metal-screw-top-of-150-ml-of-davenol-cough-linctus</loc><lastmod>2026-01-09T15:21:55.285Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993633/red-scarf-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993553/wizards-robe-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076440/tinder-box-of-brass</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/916/large_smg00297340.jpg</image:loc><image:title>Tinder Box of Brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985247/pathe-freres-cine-camera</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/880/large_smg00454021.jpg</image:loc><image:title>Pathe Freres Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985144/35-contact-printing-frames</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/826/large_smg00453878.jpg</image:loc><image:title>35 Contact Printing Frames</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076720/tinder-pistol-length-5-12-ins-wholly-of-wrought-iron</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/781/large_smg00210824.jpg</image:loc><image:title>Tinder-pistol (length 5 1/2 ins) wholly of wrought iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8067029/two-bts-high-definition-television-hdtv-studio-cameras</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075942/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/222/large_smg00210723.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199821/8-packages-of-sterile-cambric-bandages</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076736/tinder-pistol-length-7-ins-wholly-of-iron</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076866/burning-mirror-diam-4-ins</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076432/tinder-box-length-4-18-ins-of-thin-sheet-iron-oval</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/913/large_smg00297337.jpg</image:loc><image:title>Tinder-box (length 4 1/8 ins) of thin sheet iron; oval</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076738/tinder-pistol-of-iron-length-6-18-ins</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076968/lighter-similar-to-nos-1358-9-presented-by-mr-parker-brewis</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/800/large_smg00297129.jpg</image:loc><image:title>Lighter, similar to nos. 1358-9; presented by Mr. Parker Brewis</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863401/book-a-brief-history-of-time-paperback-edition</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/644/large_smg00256250__0001_.jpg</image:loc><image:title>Book: A Brief History of Time, paperback edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/645/large_smg00256250__0002_.jpg</image:loc><image:title>Book: A Brief History of Time, paperback edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/646/large_smg00256250__0003_.jpg</image:loc><image:title>Book: A Brief History of Time, paperback edition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076835/one-of-fourteen-modern-pocket-tinder-tubes</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/956/large_smg00207813.jpg</image:loc><image:title>One of fourteen modern pocket tinder-tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863456/coaster</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/369/large_smg00256194__0002_.jpg</image:loc><image:title>Coaster</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/370/large_smg00256194__0003_.jpg</image:loc><image:title>Coaster</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/368/large_smg00256194__0001_.jpg</image:loc><image:title>Coaster</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729791/fossilised-fern-impression</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984753/bag-of-11-assorted-lens</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076019/fire-steel-with-1-tang-to-form-a-handle</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/187/large_smg00210681.jpg</image:loc><image:title>Fire Steel, with 1 Tang to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co201829/phial-controlled-drug-morphine</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863409/book-on-astrophysics-for-general-audiences-by-science-communicator-neil-degrasse-tyson-with-dedication-to-hawking</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/360/large_smg00256235__0002_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/363/large_smg00256235__0005_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/362/large_smg00256235__0004_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/361/large_smg00256235__0003_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/364/large_smg00256235__0006_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/359/large_smg00256235__0001_.jpg</image:loc><image:title>Book on astrophysics for general audiences by science communicator Neil deGrasse Tyson, with dedication to Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8992900/glass-bottle-from-doctors-bag-with-contents-english-1925-1930</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077016/iron-mortar-and-pestle</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/724/large_smg00123024.jpg</image:loc><image:title>Iron mortar and pestle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863722/group-photograph-with-stephen-hawking-at-the-vaticans-pontifical-academy-of-sciences-in-2016</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076882/phosphorus-box-2-x-1-58-x-1-12-ins-of-thin-sheet-iron</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/552/large_smg00297104.jpg</image:loc><image:title>Phosphorus-box (2 x 1 5/8 x 1 1/2 ins) of thin sheet iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076772/tinder-pistol-length-8-14-ins-of-iron</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/937/large_smg00297369.jpg</image:loc><image:title>Tinder-pistol (length 8 1/4 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993565/leopard-print-waistcoat-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076309/sulphur-matches</loc><lastmod>2026-01-09T15:21:57.230Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076528/tinder-holder-length-1-34-in-of-thin-sheet-nickel</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/154/large_smg00210643.jpg</image:loc><image:title>Tinder-holder (length 1 3/4 in) of thin sheet nickel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075853/fire-drill-and-hearth</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/970/large_smg00226545.jpg</image:loc><image:title>Fire-drill and hearth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076692/chuckmuck-length-4-34-ins-an-elegant-example</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/296/large_smg00210901.jpg</image:loc><image:title>Chuckmuck (length 4 3/4 ins); an elegant example</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076642/tinder-bag-depth-8-ins-of-calico</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/832/large_smg00210800.jpg</image:loc><image:title>Tinder-bag (depth 8 ins) of calico</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982570/2-packets-of-picric-gauze</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989606/j-lizars-challenge-bag-type-changing-box</loc><lastmod>2026-01-09T15:21:57.457Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/918/large_smg00454076.jpg</image:loc><image:title>J. Lizars Challenge Bag-Type Changing Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199876/glass-bottle-for-dilute-hydrochloric-acid</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993596/black-leotard-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075991/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/196/large_smg00210690.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8600675/agricultural-handtools</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989560/granitine-developing-tank</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/967/large_smg00454146.jpg</image:loc><image:title>Granitine Developing Tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076501/one-of-two-tinder-boxes-silver</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/733/large_smg00207796.jpg</image:loc><image:title>One of Two Tinder-boxes, silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076742/tinder-pistol-of-iron-length-6-12-ins</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/969/large_smg00297403.jpg</image:loc><image:title>Tinder-pistol of iron (length 6 1/2 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722400/bottle-with-inscription-needles-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:57.554Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982567/2-packets-of-zinc-and-mercury-cyanide-gauze</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076396/tinder-box-diam-4-12-ins-of-brass-circular-plain</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/924/large_smg00297348.jpg</image:loc><image:title>Tinder-box (diam 4 1/2 ins) of brass; circular; plain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989585/developing-dish</loc><lastmod>2026-01-09T15:21:57.642Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/539/large_smg00454138.jpg</image:loc><image:title>Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076747/tinder-pistol-length-7-ins-of-brass</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/783/large_smg00210826.jpg</image:loc><image:title>Tinder-pistol (length 7 ins) of brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985381/folding-pocket-kodak-glass-frames-and-combination-back</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/122/large_smg00454500.jpg</image:loc><image:title>Folding Pocket Kodak Glass Frames and Combination Back</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076749/tinder-pistol-length-7-18-ins-of-iron</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/556/large_smg00297108.jpg</image:loc><image:title>Tinder-pistol (length 7 1/8 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993562/artists-smock-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076041/one-of-two-fire-steels-length-3-38-ins</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/801/large_smg00207743.jpg</image:loc><image:title>One of two fire-steels (length 3 3/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076846/one-of-fourteen-modern-pocket-tinder-tubes</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/351/large_smg00210962.jpg</image:loc><image:title>One of fourteen modern pocket tinder-tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076052/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/735/large_smg00207798.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199579/glass-dispensing-bottle-used-for-jalap-resin-english-1850-1900</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077050/one-of-two-boxes-of-patent-safety-paper-vestas</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/866/large_smg00297287.jpg</image:loc><image:title>One of two boxes of Patent Safety &quot;Paper Vestas&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/567/large_smg00115806.jpg</image:loc><image:title>One of two boxes of Patent Safety &quot;Paper Vestas&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076197/fire-steel-length-3-78-ins</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/716/large_smg00207774.jpg</image:loc><image:title>Fire-steel (length 3 7/8 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993643/burgundy-tie-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199861/2-clear-glass-phials-with-metal-caps</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984458/a-rangefinder-and-case</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/387/large_smg00453931.jpg</image:loc><image:title>A Rangefinder and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076373/tinder-box-diam-4-14-ins-of-tin</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/920/large_smg00297344.jpg</image:loc><image:title>Tinder-box (diam 4 1/4 ins) of tin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863708/framed-facsimiles-of-albert-einsteins-manuscript-featuring-handrwitten-formula-emc2</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/977/large_smg00255959__0001_.jpg</image:loc><image:title>Framed facsimiles of Albert Einstein&apos;s manuscript featuring handrwitten formula E=MC^2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076300/two-sulphur-matches-length-4-12-ins-of-wood</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/763/large_smg00210775.jpg</image:loc><image:title>Two Sulphur-matches (length 4 1/2 ins) of wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076705/chuckmuck-thibetan-lamas-firemaking-apparatus</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722497/surgeons-needles-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076020/fire-steel-with-1-tang-to-form-a-handle</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/718/large_smg00207776.jpg</image:loc><image:title>Fire Steel, with 1 Tang to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076878/fire-piston-contained-in-a-walking-stick</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/723/large_smg00123023.jpg</image:loc><image:title>Fire-piston contained in a walking stick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076065/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/223/large_smg00210724.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993448/scout-costume-shirt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065639/stone-sleeper-from-the-pen-y-darren-tramway-near-abercynon</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076966/one-of-two-lighters</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/796/large_smg00211055.jpg</image:loc><image:title>One of Two Lighters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075924/a-very-large-strike-a-light-length-2-34-ins-of-the-albanian-type</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076794/tinder-pistol-length-5-34-ins-of-iron</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/432/large_smg00297391.jpg</image:loc><image:title>Tinder-pistol (length 5 3/4 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993486/pink-tights-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863446/plastic-box-for-washing-up-sponge</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/584/large_smg00256370__0001_.jpg</image:loc><image:title>Plastic box for washing up sponge</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076694/chuckmuck-length-4-34-ins-a-handsome-example</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/279/large_smg00210884.jpg</image:loc><image:title>Chuckmuck (length 4 3/4 ins); a handsome example</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076390/tinder-box-diam-4-ins-of-brass-circular</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/580/large_smg00297207.jpg</image:loc><image:title>Tinder-box (diam 4 ins) of brass; circular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075945/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/237/large_smg00210738.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076669/chuckmuck-length-3-14-ins-three-brass-mounts</loc><lastmod>2026-01-09T15:21:58.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/303/large_smg00210908.jpg</image:loc><image:title>chuckmuck (length 3 1/4 ins); three brass mounts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076532/tinder-holder-length-1-34-in-of-bright-steel-horse-shoe-shaped</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/400/large_smg00211013.jpg</image:loc><image:title>Tinder-holder (length 1 3/4 in) of bright steel; horse-shoe shaped</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co77386/post-mortem-combined-hammer-and-chisel</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/364/94/large_smg00092963.jpg</image:loc><image:title>Post mortem combined hammer and chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984465/bag-of-16-assorted-lens</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076761/tinder-pistol-length-5-12-ins-of-iron</loc><lastmod>2026-01-09T15:21:58.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/431/large_smg00297388.jpg</image:loc><image:title>Tinder-pistol (length 5 1/2 ins) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076180/fire-steel-combined-with-very-small-ember-tongs</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/89/large_smg00207883.jpg</image:loc><image:title>Fire-steel combined with very-small ember-tongs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993580/white-socks-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863451/jar-made-of-compressed-tea-for-chinese-fermented-compressed-tea</loc><lastmod>2026-01-09T15:21:58.591Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/332/large_smg00256199__0002_.jpg</image:loc><image:title>Jar made of compressed tea for Chinese fermented compressed tea</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/331/large_smg00256199__0001_.jpg</image:loc><image:title>Jar made of compressed tea for Chinese fermented compressed tea</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076413/tinder-box-of-iron</loc><lastmod>2026-01-09T15:21:58.800Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/650/large_smg00297271.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8985253/barnet-super-speed-ortho-plate-handd-550</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/882/large_smg00454024.jpg</image:loc><image:title>Barnet Super-speed Ortho Plate H&amp;D 550</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8982506/a-symmetrical-lens</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/803/large_smg00453626.jpg</image:loc><image:title>A Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076035/fire-steel-with-1-tang-to-form-a-handle</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/155/large_smg00210644.jpg</image:loc><image:title>Fire Steel, with 1 Tang to form a handle.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076595/tinder-tube-length-3-14-ins-of-silver-curved</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/439/large_smg00126436.jpg</image:loc><image:title>Tinder-tube (length 3 1/4 ins) of silver; curved</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076992/brass-pocket-lighter-tubular-petrol-type</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/342/large_smg00210953.jpg</image:loc><image:title>Brass Pocket Lighter, tubular, petrol type.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993637/black-belt-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076873/fire-piston-philippine-islands</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/853/large_smg00297250.jpg</image:loc><image:title>Fire-piston, Philippine Islands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076223/one-of-four-fire-steels-lengths-3-to-2-14-ins</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/873/large_smg00225313.jpg</image:loc><image:title>One of four fire-steels (lengths 3 to 2 1/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076869/fire-piston-length-3-78-ins-cylinder-diam-35-in-of-bamboo</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/852/large_smg00297249.jpg</image:loc><image:title>Fire-piston (length 3 7/8 ins); cylinder (diam 3/5 in) of bamboo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863372/thank-you-card-from-sydney-opera-house-for-appearance-as-hologram</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/243/large_smg00256289__0004_.jpg</image:loc><image:title>Thank you card from Sydney Opera House for appearance as hologram</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/242/large_smg00256289__0003_.jpg</image:loc><image:title>Thank you card from Sydney Opera House for appearance as hologram</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/240/large_smg00256289__0001_.jpg</image:loc><image:title>Thank you card from Sydney Opera House for appearance as hologram</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/241/large_smg00256289__0002_.jpg</image:loc><image:title>Thank you card from Sydney Opera House for appearance as hologram</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077030/one-of-seven-match-boxes</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/897/large_smg00297321.jpg</image:loc><image:title>One of seven match-boxes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/577/large_smg00115823.jpg</image:loc><image:title>One of seven match-boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075884/fire-drill-and-hearth-uganda</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076584/tinder-tube-length-3-ins-of-ivory</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/889/large_smg00225329.jpg</image:loc><image:title>Tinder-tube (length 3 ins) of ivory</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993463/black-boot-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993484/green-trousers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076934/gas-lighter</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/954/large_smg00225383.jpg</image:loc><image:title>Gas-lighter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989610/developing-dish</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/961/large_smg00454134.jpg</image:loc><image:title>Developing Dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076493/tinder-box-length-1-12-in-of-copper-gilt-rectangular</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075869/photograph-of-an-indigenous-australian-using-a-long-fire-drill</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/947/large_smg00225373.jpg</image:loc><image:title>Photograph of an Indigenous Australian using a long fire drill</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076575/tinder-tune</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/903/large_smg00207709.jpg</image:loc><image:title>Tinder tune</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076422/tinder-box-of-iron</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/917/large_smg00297341.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076945/one-of-three-lighters-of-thin-reeded-brass</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/380/large_smg00210993.jpg</image:loc><image:title>One of three lighters  of thin reeded brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077011/match-box-3-14-x-1-58-ins-of-tin-round</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/924/large_smg00225350.jpg</image:loc><image:title>Match-box (3 1/4 x 1 5/8 ins) of tin; round</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8989563/brass-holder</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/857/large_smg00453994.jpg</image:loc><image:title>Brass Holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076780/tinder-pistol-wood-stock-iron-fittings</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/780/large_smg00210823.jpg</image:loc><image:title>Tinder Pistol, wood stock, iron fittings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076854/pocket-tinder-tube-length-75-mm</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729919/fossilised-seeds-from-the-lepidodendron-tree</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076227/one-of-three-fire-steels-combined-with-screwing-spike-and-screw-driver</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/906/large_smg00207712.jpg</image:loc><image:title>One of Three Fire-steels combined with screwing-spike and screw-driver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8984437/bag-of-8-assorted-lens</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076043/fire-steel</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/951/large_smg00207764.jpg</image:loc><image:title>Fire-steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076982/one-of-two-lighters-length-2-12-ins-of-identical-make-both-of-iron</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/422/large_smg00297125.jpg</image:loc><image:title>One of Two Lighters (length 2 1/2 ins) of identical make; both of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076726/tinder-pistol-length-5-12-ins-of-iron-hollow-barrel-shaped-handle-unscrews-compartment-in-side</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/968/large_smg00297402.jpg</image:loc><image:title>Tinder-pistol (length 5 1/2 ins) of iron; hollow barrel-shaped handle unscrews; compartment in side</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076141/fire-steel-bright-cast-steel</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/446/927/large_smg00207734.jpg</image:loc><image:title>Fire-steel, bright cast steel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076314/sulphur-matches-of-pine-wood</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/708/large_smg00120039.jpg</image:loc><image:title>Sulphur-matches of pine-wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075891/handpiece-length-7-14-ins-of-wood</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993615/ed-the-duck-slippers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076987/a-lighter-length-1-34-in-of-iron</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/312/large_smg00210923.jpg</image:loc><image:title>A Lighter (length 1 3/4 in) of iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076715/tinder-pistol-length-8-12-ins-of-iron</loc><lastmod>2026-01-09T15:22:00.068Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076719/tinder-pistol</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/941/large_smg00297373.jpg</image:loc><image:title>Tinder Pistol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863364/phd-thesis-by-hawkings-student-paul-shellard-titled-quantum-effects-in-the-early-universe</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/435/large_smg00256259__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Paul Shellard, titled: Quantum Effects in the Early Universe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/436/large_smg00256259__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Paul Shellard, titled: Quantum Effects in the Early Universe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/433/large_smg00256259__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Paul Shellard, titled: Quantum Effects in the Early Universe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/434/large_smg00256259__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Paul Shellard, titled: Quantum Effects in the Early Universe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8063928/photoflux-type-ii-flash-bulb</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/858/large_smg00353620.jpg</image:loc><image:title>&apos;Photoflux&apos;  Type II Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077052/match-holder-2-78-x-1-34-x-1-58-ins-of-thin-sheet-iron</loc><lastmod>2026-01-09T15:21:59.975Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722453/dissecting-forceps-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:21:59.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075982/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:21:59.925Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/250/large_smg00210758.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076958/lighter-one-of-eight</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076202/fire-steel-length-3-34-ins</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/450/891/large_smg00225331.jpg</image:loc><image:title>Fire-steel (length 3 3/4 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076741/tinder-pistol-of-iron-length-6-ins</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/971/large_smg00297405.jpg</image:loc><image:title>Tinder-pistol of iron (length 6 ins)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8870529/book-with-collected-works-of-philosopher-kurt-godel-who-hawking-frequently-cited-volume-ii</loc><lastmod>2026-01-09T15:22:02.380Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/740/large_smg00255825__0003_.jpg</image:loc><image:title>Book with collected works of philosopher Kurt Gödel, who Hawking frequently cited (Volume II)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/738/large_smg00255825__0001_.jpg</image:loc><image:title>Book with collected works of philosopher Kurt Gödel, who Hawking frequently cited (Volume II)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/739/large_smg00255825__0002_.jpg</image:loc><image:title>Book with collected works of philosopher Kurt Gödel, who Hawking frequently cited (Volume II)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8729677/box-of-dried-coca-leaves</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075858/photograph-of-a-native-of-kivu-making-fire</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/941/large_smg00225367.jpg</image:loc><image:title>Photograph of a native of Kivu making fire</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863384/card-with-gonville-and-caius-college-term-dates-2017-2018</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/237/large_smg00256285__0001_.jpg</image:loc><image:title>Card with Gonville and Caius College term dates, 2017-2018</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/239/large_smg00256285__0003_.jpg</image:loc><image:title>Card with Gonville and Caius College term dates, 2017-2018</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/238/large_smg00256285__0002_.jpg</image:loc><image:title>Card with Gonville and Caius College term dates, 2017-2018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076369/tinder-box-of-iron</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/902/large_smg00297326.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076976/lighter-silvered-brass-with-ring-on-side</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/374/large_smg00210987.jpg</image:loc><image:title>Lighter, silvered brass with ring on side</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219121/plaster-cast-jesus-christ</loc><lastmod>2026-01-09T15:22:02.380Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/933/large_1926_1075_0214__0002_.jpg</image:loc><image:title>Plaster cast, Jesus Christ</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/932/large_1926_1075_0214__0001_.jpg</image:loc><image:title>Plaster cast, Jesus Christ</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/222/large_smg00067906.jpg</image:loc><image:title>Plaster cast, Jesus Christ</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077021/match-box-3-18-x-1-34-x-78-ins-of-cardboard-rectangular</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/884/large_smg00297307.jpg</image:loc><image:title>Match-box (3 1/8 x 1 3/4 x 7/8 ins) of cardboard; rectangular</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076871/model-of-a-fire-piston-length-3-34-ins-both-parts-of-horn</loc><lastmod>2026-01-09T15:22:02.309Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/635/large_smg00297248.jpg</image:loc><image:title>Model of a Fire-piston (length 3 3/4 ins); both parts of horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076414/tinder-box-of-iron</loc><lastmod>2026-01-09T15:22:02.309Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/906/large_smg00297330.jpg</image:loc><image:title>Tinder Box of Iron</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345206/bottle-for-laudanum</loc><lastmod>2026-01-09T15:22:02.380Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993551/teenage-mutant-ninja-turtles-jumper-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8993597/white-knickers-for-gordon-the-gopher</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076045/one-of-a-series-of-thirty-one-fire-steels</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/160/large_smg00210649.jpg</image:loc><image:title>One of a series of thirty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076522/one-of-two-tinder-holders-silver</loc><lastmod>2026-01-09T15:22:02.309Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/402/large_smg00211015.jpg</image:loc><image:title>One of Two Tinder-holders, silver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075981/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/821/large_smg00210741.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076095/fire-steel-in-form-of-mermaid-france</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/907/large_smg00225286.jpg</image:loc><image:title>Fire-steel in form of mermaid, France</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/460/947/large_smg00225286.jpg</image:loc><image:title>Fire-steel in form of mermaid, France</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8722460/forceps-from-doctors-bag-english-1925-1935</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076096/fire-steel-length-3-38-ins-combined-with-ember-</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076621/tinder-bag-in-form-of-a-pocket-length-3-18-ins-of-woven-yellowish-green-fabric</loc><lastmod>2026-01-09T15:22:02.309Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/564/large_smg00297116.jpg</image:loc><image:title>Tinder-bag in form of a pocket (length 3 1/8 ins) of woven yellowish-green fabric</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076012/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/823/large_smg00210743.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co199823/1-blue-paper-package-containing-3-sterile-cambric-bandages</loc><lastmod>2026-01-09T15:22:02.309Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8075941/one-of-a-series-of-eighty-one-fire-steels</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/235/large_smg00210736.jpg</image:loc><image:title>One of a series of eighty-one fire-steels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076730/tinder-pistol-length-8-ins-of-iron</loc><lastmod>2026-01-09T15:22:02.335Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339837/engraved-pocket-syringe-kit-inside-cotton-draw-string-pouch</loc><lastmod>2026-01-09T15:22:02.380Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8076094/fire-steel-length-2-38-ins</loc><lastmod>2026-01-09T15:22:02.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/448/51/large_smg00207844.jpg</image:loc><image:title>Fire-steel (length 2 3/8 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member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/298/large_smg00256121__0003_.jpg</image:loc><image:title>Book celebrating the fiftieth anniversary of the restoration of the Vatican&apos;s Academy of Sciences, the year that Hawking became an ordinary member</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218898/plaster-mould-marked-best</loc><lastmod>2026-01-09T15:22:06.524Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/319/large_smg00068087.jpg</image:loc><image:title>Plaster mould marked 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Ehlers</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/177/large_smg00256113__0003_.jpg</image:loc><image:title>Book with index of recent works on general relativity by Jürgen Ehlers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614593/glass-bottle-labelled-as-containing-gentian-and-soda-compound</loc><lastmod>2026-01-09T15:22:08.321Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863559/book-with-interview-compilation-from-the-bbc-programme-desert-island-discs-including-stephen-hawking</loc><lastmod>2026-01-09T15:22:08.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/148/large_smg00256100__0005_.jpg</image:loc><image:title>Book with interview compilation from the BBC programme &apos;Desert Island Discs&apos; including Stephen 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from the BBC programme &apos;Desert Island Discs&apos; including Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219138/plaster-cast-nude-male-figure</loc><lastmod>2026-01-09T15:22:08.503Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/134/large_smg00067390.jpg</image:loc><image:title>Plaster cast, nude male figure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345289/injection-bottle-containing-powdered-adrenaline</loc><lastmod>2026-01-09T15:22:08.503Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91108/two-swab-handles</loc><lastmod>2026-01-09T15:22:08.109Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219144/plaster-mould-female-figure-leaning-on-anchor</loc><lastmod>2026-01-09T15:22:08.321Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/225/large_smg00067910.jpg</image:loc><image:title>Plaster mould, female figure leaning on anchor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219116/compo-mould-female-figures-at-altar</loc><lastmod>2026-01-09T15:22:08.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/213/large_smg00067912.jpg</image:loc><image:title>Compo mould, female figures at altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219343/small-tin-box-containing-tow</loc><lastmod>2026-01-09T15:22:08.503Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/54/large_smg00049394.jpg</image:loc><image:title>Small tin box, containing 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2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219100/plaster-cast-female-figure-with-hands-lowered</loc><lastmod>2026-01-09T15:22:08.109Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/148/large_smg00067730.jpg</image:loc><image:title>Plaster cast, female figure with hands lowered</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219189/head-of-apollo</loc><lastmod>2026-01-09T15:22:09.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/136/large_1926_1075_0282__0002_.jpg</image:loc><image:title>head of Apollo</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/137/large_1926_1075_0282__0001_.jpg</image:loc><image:title>head of Apollo</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/321/large_smg00068339.jpg</image:loc><image:title>head of Apollo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219349/small-piece-of-plaster-compo</loc><lastmod>2026-01-09T15:22:08.503Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/681/large_1926_1075_0425__0002_.jpg</image:loc><image:title>Small piece of plaster compo</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/682/large_1926_1075_0425__0001_.jpg</image:loc><image:title>Small piece of plaster compo</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/193/large_smg00067333.jpg</image:loc><image:title>Small piece of plaster 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Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/841/large_smg00256301__0003_.jpg</image:loc><image:title>Book on disarmament and the responsibility of scientists by Soviet physicist Moisey Markov dedicated to Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863812/book-with-materials-of-winter-school-in-israel-dedicated-to-elementary-particle-physics-and-cosmology-with-contribution-by-hawking</loc><lastmod>2026-01-09T15:22:09.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/535/large_smg00256322__0003_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/536/large_smg00256322__0004_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/534/large_smg00256322__0002_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/533/large_smg00256322__0001_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/148/large_smg00256322__0004_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/149/large_smg00256322__0005_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/145/large_smg00256322__0001_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/146/large_smg00256322__0002_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/147/large_smg00256322__0003_.jpg</image:loc><image:title>Book with materials of winter school in Israel dedicated to elementary particle physics and cosmology, with contribution by 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Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/796/large_smg00255914__0004_.jpg</image:loc><image:title>Desk from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/793/large_smg00255914__0001_.jpg</image:loc><image:title>Desk from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/794/large_smg00255914__0002_.jpg</image:loc><image:title>Desk from Stephen Hawking&apos;s Office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078581/photoflux-photo-flash-bulb-size-24n</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/861/large_smg00353623.jpg</image:loc><image:title>&apos;Photoflux&apos; Photo-Flash Bulb Size 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goblet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863548/book-with-speeches-during-the-1986-meeting-at-the-vaticans-academy-of-sciences-when-hawking-became-an-ordinary-member</loc><lastmod>2026-01-09T15:22:09.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/178/large_smg00256114__0001_.jpg</image:loc><image:title>Book with speeches during the 1986 meeting at the Vatican&apos;s Academy of Sciences, when Hawking became an ordinary member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/179/large_smg00256114__0002_.jpg</image:loc><image:title>Book with speeches during the 1986 meeting at the Vatican&apos;s Academy of Sciences, when Hawking became an ordinary member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/180/large_smg00256114__0003_.jpg</image:loc><image:title>Book with speeches during the 1986 meeting at the Vatican&apos;s Academy of Sciences, when Hawking became an ordinary member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/181/large_smg00256114__0004_.jpg</image:loc><image:title>Book with speeches during the 1986 meeting at the Vatican&apos;s Academy of Sciences, when Hawking became an ordinary member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/182/large_smg00256114__0005_.jpg</image:loc><image:title>Book with speeches during the 1986 meeting at the Vatican&apos;s Academy of Sciences, when Hawking became an ordinary member</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863504/phd-thesis-by-stephen-hawkings-student-alan-lapedes-1978</loc><lastmod>2026-01-09T15:22:09.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/632/large_smg00256152__0002_.jpg</image:loc><image:title>Ph.D. thesis by Stephen Hawking&apos;s student Alan Lapedes (1978)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/633/large_smg00256152__0003_.jpg</image:loc><image:title>Ph.D. thesis by Stephen Hawking&apos;s student Alan Lapedes (1978)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/631/large_smg00256152__0001_.jpg</image:loc><image:title>Ph.D. thesis by Stephen Hawking&apos;s student Alan Lapedes (1978)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219021/plaster-mould-of-oliver-cromwell</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/257/large_smg00068092.jpg</image:loc><image:title>Plaster mould of Oliver Cromwell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614598/glass-bottle-labelled-as-containing-paregoric</loc><lastmod>2026-01-09T15:22:09.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219011/plaster-cast-stanislaus-king-of-poland</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/244/large_smg00068058.jpg</image:loc><image:title>Plaster cast, &quot;Stanislaus King of Poland&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8342316/projector-type-binnacle-and-magnetic-compass-with-two-correcting-spheres-on-a-wooden-base</loc><lastmod>2026-01-09T15:22:09.555Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607211/calcutta-the-bengal-club</loc><lastmod>2026-01-09T15:22:09.724Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863521/plastic-ring</loc><lastmod>2026-01-09T15:22:09.555Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/231/large_smg00256138__0001_.jpg</image:loc><image:title>Plastic ring</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863575/green-tea-in-a-box</loc><lastmod>2026-01-09T15:22:09.363Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/242/large_smg00256084__0001_.jpg</image:loc><image:title>Green tea 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Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/533/large_smg00256382__0004_.jpg</image:loc><image:title>Book commemorating 300 years of Newton&apos;s work on gravity, co-edited and with contribution by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219035/reproduction-in-marble-male-profile</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/250/large_smg00068064.jpg</image:loc><image:title>Reproduction in marble, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218973/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/217/large_smg00067890.jpg</image:loc><image:title>Plaster cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219314/relief-casting-of-woman-blowing-a-trumpet</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/138/large_smg00067395.jpg</image:loc><image:title>Relief casting of woman blowing a trumpet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863831/phd-thesis-by-hawkings-student-giovanni-paolo-procopio-titled-black-holes-on-the-brane</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/851/large_smg00256305__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Giovanni Paolo Procopio, titled: Black holes on the brane</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/100/large_smg00256305__0005_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Giovanni Paolo Procopio, titled: Black holes on the brane</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/97/large_smg00256305__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Giovanni Paolo Procopio, titled: Black holes on the brane</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/99/large_smg00256305__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Giovanni Paolo Procopio, titled: Black holes on the brane</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/98/large_smg00256305__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Giovanni Paolo Procopio, titled: Black holes on the brane</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218991/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:09.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/198/large_smg00067883.jpg</image:loc><image:title>Plaster cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219163/compo-mould-male-medieval-singers</loc><lastmod>2026-01-09T15:22:09.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/271/large_smg00067996.jpg</image:loc><image:title>Compo mould, male medieval singers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218934/plaster-cast-of-matthew-boulton</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/910/large_1926_1075_0040.jpg</image:loc><image:title>Plaster cast of Matthew Boulton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/909/large_1926_1075_0035__0002_.jpg</image:loc><image:title>Plaster cast of Matthew Boulton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219086/plaster-mould-woman-and-cupid</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/498/large_1926_1075_0179__0003_.jpg</image:loc><image:title>Plaster mould, woman and Cupid</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/496/large_1926_1075_0179__0001_.jpg</image:loc><image:title>Plaster mould, woman and Cupid</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/497/large_1926_1075_0179__0002_.jpg</image:loc><image:title>Plaster mould, woman and Cupid</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/120/large_smg00067350.jpg</image:loc><image:title>Plaster mould, woman and Cupid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614625/glass-bottle-labelled-to-contain-potassium-chlorate</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219198/plaster-mould-of-woman-leaning-on-a-pedestal</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/325/large_smg00068343.jpg</image:loc><image:title>Plaster mould of woman leaning on a pedestal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863503/book-on-einsteins-centennial-symposium-with-contribution-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:09.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/629/large_smg00256151__0002_.jpg</image:loc><image:title>Book on Einstein&apos;s centennial symposium with contribution by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/628/large_smg00256151__0001_.jpg</image:loc><image:title>Book on Einstein&apos;s centennial symposium with contribution by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/630/large_smg00256151__0003_.jpg</image:loc><image:title>Book on Einstein&apos;s centennial symposium with contribution by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218977/reproduction-in-alabaster-profile-bust</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/202/large_smg00067887.jpg</image:loc><image:title>Reproduction in alabaster, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078580/photoflux-photo-flash-bulb-type-pf-14n</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/864/large_smg00353626.jpg</image:loc><image:title>&apos;Photoflux&apos; Photo-Flash Bulb Type PF 14N</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863770/annual-report-of-the-institute-of-theoretical-physics-2016</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/136/large_smg00255894__0002_.jpg</image:loc><image:title>Annual report of the Institute of Theoretical Physics, 2016</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/135/large_smg00255894__0001_.jpg</image:loc><image:title>Annual report of the Institute of Theoretical Physics, 2016</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218935/composite-mould-male-profile</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/366/large_smg00068607.jpg</image:loc><image:title>Composite mould, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611499/ferranti-ashtray</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/683/large_smg00244381.jpg</image:loc><image:title>Ferranti Ashtray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219240/bust-of-boy</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/672/large_1926_1075_0333__0002_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/671/large_1926_1075_0333__0003_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/673/large_1926_1075_0333__0001_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/240/large_smg00067937.jpg</image:loc><image:title>Bust of boy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345214/bottle-of-laudanum</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614547/thermometer-in-cylindrical-metal-case</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219149/plaster-cast-marriage-of-cupid-and-psyche</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/277/large_smg00068003.jpg</image:loc><image:title>Plaster cast, marriage of Cupid and Psyche</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219192/plaster-mould-bacchus-in-two-horsed-chariot</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/661/large_1926_1075_0285__0002_.jpg</image:loc><image:title>Plaster mould, Bacchus in two-horsed chariot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/663/large_1926_1075_0285__0003_.jpg</image:loc><image:title>Plaster mould, Bacchus in two-horsed chariot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/662/large_1926_1075_0285__0001_.jpg</image:loc><image:title>Plaster mould, Bacchus in two-horsed chariot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/194/large_smg00067334.jpg</image:loc><image:title>Plaster mould, Bacchus in two-horsed chariot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218981/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/160/large_smg00067744.jpg</image:loc><image:title>Plaster cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219256/plaster-pedestal</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/234/large_smg00067930.jpg</image:loc><image:title>Plaster pedestal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219102/plaster-mould-merman-blowing-conch-shell</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/500/large_1926_1075_0195__0002_.jpg</image:loc><image:title>Plaster mould, merman blowing conch shell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/502/large_1926_1075_0195__0004_.jpg</image:loc><image:title>Plaster mould, merman blowing conch shell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/501/large_1926_1075_0195__0003_.jpg</image:loc><image:title>Plaster mould, merman blowing conch shell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/37/499/large_1926_1075_0195__0001_.jpg</image:loc><image:title>Plaster mould, merman blowing conch shell</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/229/large_smg00067945.jpg</image:loc><image:title>Plaster mould, merman blowing conch shell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863836/phd-thesis-by-hawkings-student-thomas-hertog-titled-the-origin-of-inflation</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/835/large_smg00256300__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Thomas Hertog, titled: The origin of inflation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/836/large_smg00256300__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Thomas Hertog, titled: The origin of inflation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/834/large_smg00256300__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Thomas Hertog, titled: The origin of inflation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/837/large_smg00256300__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Thomas Hertog, titled: The origin of inflation</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/838/large_smg00256300__0005_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Thomas Hertog, titled: The origin of inflation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219069/wax-mould-impression-of-medallion</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/275/large_smg00068790.jpg</image:loc><image:title>Wax mould, impression of medallion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077059/box-of-bryant-and-mays-vesuvians-cigar-match</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/900/large_smg00297324.jpg</image:loc><image:title>Box of Bryant &amp; May&apos;s &apos;Vesuvians&apos; cigar match</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/575/large_smg00115821.jpg</image:loc><image:title>Box of Bryant &amp; May&apos;s &apos;Vesuvians&apos; cigar match</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087216/emi-camera-control-unit-type-2115</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219175/reproduction-in-alabaster-possibly-of-a-cavalier</loc><lastmod>2026-01-09T15:22:11.054Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/287/large_smg00068013.jpg</image:loc><image:title>Reproduction in alabaster, possibly of a cavalier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614588/glass-bottle-labelled-to-contain-kino-compound-powder</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865212/access-pass-to-simpsons-episode-release-party</loc><lastmod>2026-01-09T15:22:10.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863763/large-umbrella-for-use-with-stephen-hawkings-wheelchair</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/773/large_smg00255908__0003_.jpg</image:loc><image:title>Large umbrella for use with Stephen Hawking&apos;s wheelchair</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/772/large_smg00255908__0002_.jpg</image:loc><image:title>Large umbrella for use with Stephen Hawking&apos;s wheelchair</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/771/large_smg00255908__0001_.jpg</image:loc><image:title>Large umbrella for use with Stephen Hawking&apos;s wheelchair</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/774/large_smg00255908__0004_.jpg</image:loc><image:title>Large umbrella for use with Stephen Hawking&apos;s wheelchair</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219382/spirit-level</loc><lastmod>2026-01-09T15:22:10.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/490/large_smg00267891.jpg</image:loc><image:title>Spirit level</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219068/marble-reproduction-roman-emperor-profile</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/219/large_smg00067901.jpg</image:loc><image:title>Marble reproduction, Roman Emperor profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219224/mahogany-reproduction-of-dogs-head</loc><lastmod>2026-01-09T15:22:11.280Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/108/large_smg00067330.jpg</image:loc><image:title>Mahogany reproduction of dog&apos;s head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8612863/metal-tray-insert-from-1938-everest-expedition-tabloid-medicine-chest</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614561/cylindrical-container-labelled-iodoform</loc><lastmod>2026-01-09T15:22:12.587Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219089/plaster-cast-seated-child-with-flower</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/231/large_smg00067947.jpg</image:loc><image:title>Plaster cast, seated child with flower</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607225/the-kutub-minar-from-the-west-delhi</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218897/plaster-mould-marked-best</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/315/large_smg00068083.jpg</image:loc><image:title>Plaster mould marked &quot;Best&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863564/book-a-brief-history-of-time-2011-edition</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/251/large_smg00256099__0003_.jpg</image:loc><image:title>Book: A brief History of Time, 2011 edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/250/large_smg00256099__0002_.jpg</image:loc><image:title>Book: A brief History of Time, 2011 edition</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/249/large_smg00256099__0001_.jpg</image:loc><image:title>Book: A brief History of Time, 2011 edition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219246/male-bust-coated-with-brown-compo</loc><lastmod>2026-01-09T15:22:12.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/132/large_smg00067371.jpg</image:loc><image:title>Male bust coated with brown compo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087247/various-television-camera-tubes</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863539/book-with-proceedings-of-the-1980-nuffield-workshop-on-superspace-and-supergravity-organized-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:12.708Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/186/large_smg00256118__0001_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/188/large_smg00256118__0003_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/187/large_smg00256118__0002_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/189/large_smg00256118__0004_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/288/large_smg00256118__0003_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/287/large_smg00256118__0002_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/286/large_smg00256118__0001_.jpg</image:loc><image:title>Book with proceedings of the 1980 Nuffield Workshop on Superspace and Supergravity, organized by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614591/glass-bottle-labelled-to-contain-quinine-bisulphate</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8340467/dispensing-bottle-contaiing-papaverine-hydrochloride-powder</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607213/rocky-channel-of-the-ganges-of-bangladesh</loc><lastmod>2026-01-09T15:22:12.248Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219370/plane-glass-disc-magenta</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/495/large_smg00267898.jpg</image:loc><image:title>Plane glass disc, magenta</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219043/plaster-mould-of-anthony-and-cleopatra</loc><lastmod>2026-01-09T15:22:12.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/337/large_smg00068351.jpg</image:loc><image:title>Plaster mould of Anthony and Cleopatra</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863600/book-on-debate-between-roger-penrose-and-stephen-hawking-hardback-version</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/583/large_smg00256062__0001_.jpg</image:loc><image:title>Book on debate between Roger Penrose and Stephen Hawking (hardback version)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/584/large_smg00256062__0003_.jpg</image:loc><image:title>Book on debate between Roger Penrose and Stephen Hawking (hardback version)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219087/marble-reproduction-woman-and-cupid</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/115/large_smg00067345.jpg</image:loc><image:title>Marble reproduction, woman and Cupid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219077/composite-cast-profile-of-minerva</loc><lastmod>2026-01-09T15:22:12.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/111/large_smg00067339.jpg</image:loc><image:title>Composite cast, profile of Minerva</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219250/plaster-bust-of-niobe</loc><lastmod>2026-01-09T15:22:12.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/854/large_1926_1075_0343__0002_.jpg</image:loc><image:title>Plaster bust of Niobe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/853/large_1926_1075_0343__0001_.jpg</image:loc><image:title>Plaster bust of Niobe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/855/large_1926_1075_0343__0003_.jpg</image:loc><image:title>Plaster bust of Niobe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863526/book-with-collection-of-reprinted-articles-on-supersymmetry-and-supergravity-the-approaches-to-unifying-physics-pursued-by-hawking-in-the-1980s</loc><lastmod>2026-01-09T15:22:12.644Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/216/large_smg00256132__0002_.jpg</image:loc><image:title>Book with collection of reprinted articles on Supersymmetry and Supergravity, the approaches to unifying physics pursued by Hawking in the 1980s.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/215/large_smg00256132__0001_.jpg</image:loc><image:title>Book with collection of reprinted articles on Supersymmetry and Supergravity, the approaches to unifying physics pursued by Hawking in the 1980s.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/218/large_smg00256132__0004_.jpg</image:loc><image:title>Book with collection of reprinted articles on Supersymmetry and Supergravity, the approaches to unifying physics pursued by Hawking in the 1980s.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/217/large_smg00256132__0003_.jpg</image:loc><image:title>Book with collection of reprinted articles on Supersymmetry and Supergravity, the approaches to unifying physics pursued by Hawking in the 1980s.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078583/daylight-photo-flash-bulb-size-5b</loc><lastmod>2026-01-09T15:22:13.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/865/large_smg00353627.jpg</image:loc><image:title>&apos;Daylight&apos; Photo-Flash Bulb Size 5B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607210/chaura-maidan-calcutta</loc><lastmod>2026-01-09T15:22:13.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863596/book-biographical-memoirs-of-physicist-bryce-dewitt</loc><lastmod>2026-01-09T15:22:12.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/80/large_smg00256064__0002_.jpg</image:loc><image:title>Book: biographical memoirs of physicist Bryce DeWitt</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/84/large_smg00256064__0006_.jpg</image:loc><image:title>Book: biographical memoirs of physicist Bryce DeWitt</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/81/large_smg00256064__0003_.jpg</image:loc><image:title>Book: biographical memoirs of physicist Bryce DeWitt</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/79/large_smg00256064__0001_.jpg</image:loc><image:title>Book: biographical memoirs of physicist Bryce DeWitt</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/82/large_smg00256064__0004_.jpg</image:loc><image:title>Book: biographical memoirs of physicist Bryce DeWitt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219018/composite-reproduction-cast-homer</loc><lastmod>2026-01-09T15:22:13.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/261/large_smg00068096.jpg</image:loc><image:title>Composite reproduction cast, Homer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087447/glass-specimen-jar-empty-english-1880-1940</loc><lastmod>2026-01-09T15:22:12.708Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8082524/original-marine-steam-engine</loc><lastmod>2026-01-09T15:22:13.427Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863769/journal-issue-notes-and-records-the-royal-society-journal-of-the-history-of-science-june-2016</loc><lastmod>2026-01-09T15:22:13.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/128/large_smg00255890__0001_.jpg</image:loc><image:title>Journal issue: Notes and Records: The Royal Society Journal of the History of Science, June 2016</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/129/large_smg00255890__0002_.jpg</image:loc><image:title>Journal issue: Notes and Records: The Royal Society Journal of the History of Science, June 2016</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219385/glass-blowpipe</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219107/plaster-mould-of-dolphin-mounted-on-octagonal-base</loc><lastmod>2026-01-09T15:22:13.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/235/large_smg00067952.jpg</image:loc><image:title>Plaster mould of dolphin mounted on octagonal base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219254/plaster-pedestals</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/228/large_smg00067923.jpg</image:loc><image:title>Plaster pedestals</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607188/the-fort-exterior-of-the-zendua-agra</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863976/scrapbook-with-various-press-cuttings-relating-to-norman-stokes</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219368/plane-glass-disc-cobalt-blue</loc><lastmod>2026-01-09T15:22:13.427Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/499/large_smg00267902.jpg</image:loc><image:title>Plane glass disc, cobalt blue</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863808/astrophysical-journal-issue-showing-results-of-five-years-of-observations-of-the-cosmic-microwave-background-by-the-wmap-probe</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/173/large_smg00256330__0003_.jpg</image:loc><image:title>Astrophysical Journal issue showing results of five years of observations of the cosmic microwave background by the WMAP probe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/171/large_smg00256330__0001_.jpg</image:loc><image:title>Astrophysical Journal issue showing results of five years of observations of the cosmic microwave background by the WMAP probe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/172/large_smg00256330__0002_.jpg</image:loc><image:title>Astrophysical Journal issue showing results of five years of observations of the cosmic microwave background by the WMAP probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087180/large-emiscope-cathode-ray-tube</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863519/drinking-glass</loc><lastmod>2026-01-09T15:22:13.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/227/large_smg00256136__0001_.jpg</image:loc><image:title>Drinking glass</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/228/large_smg00256136__0002_.jpg</image:loc><image:title>Drinking 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Royal Society including entry on Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864575/key-for-ford-model-t-car</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218921/plaster-cast-featuring-man</loc><lastmod>2026-01-09T15:22:13.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/371/large_smg00068612.jpg</image:loc><image:title>Plaster cast featuring man</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081811/model-set-from-the-wombles-great-uncle-bulgarias-study</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219001/reproduction-in-ebony-male-profile</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/352/large_smg00068367.jpg</image:loc><image:title>Reproduction in ebony, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8612864/metal-tray-insert-from-tabloid-medicine-chest</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219363/leather-sheath-for-knife</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/48/large_smg00049386.jpg</image:loc><image:title>Leather sheath for knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8340531/gutta-percha-tube-containing-tabloid-brand-warburg-tincture-tablets</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339728/pye-mk-ii-monoscope</loc><lastmod>2026-01-09T15:22:13.943Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/162/large_smg00222277.jpg</image:loc><image:title>Pye Mk II Monoscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608951/compugraphic-tapes</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219081/plaster-cast-bearded-male-profile</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/281/large_smg00068796.jpg</image:loc><image:title>Plaster cast, bearded male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087177/electron-bombardment-tube</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219073/cast-mould-of-roman-goddess-minerva</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/114/large_smg00067344.jpg</image:loc><image:title>Cast mould of Roman goddess Minerva</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219389/rosewood-parallel-ruler</loc><lastmod>2026-01-09T15:22:14.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/511/large_smg00267914.jpg</image:loc><image:title>Rosewood parallel ruler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94790/vaginal-pipe</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/714/large_smg00242072.jpg</image:loc><image:title>Vaginal pipe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864573/key-for-crossley-shelsley-motor-car</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218968/composite-mould-profile-bust</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/181/large_smg00067866.jpg</image:loc><image:title>Composite mould, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081805/animation-model-of-womble-tomsk-c-1998</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345368/phial-of-morphine-sulphate-hypodermic-tablets</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863730/framed-photograph-of-stephen-hawking-with-philanthropist-dennis-avery</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/963/large_smg00255943__0001_.jpg</image:loc><image:title>Framed photograph of Stephen Hawking with philanthropist Dennis Avery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219262/english-compo-rosette-on-circular-slate</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/233/large_smg00067928.jpg</image:loc><image:title>English compo, rosette on circular slate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863511/book-personal-account-by-murray-gell-mann-about-his-research-on-complexity-with-references-to-hawking</loc><lastmod>2026-01-09T15:22:15.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/252/large_smg00256144__0005_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/249/large_smg00256144__0002_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/250/large_smg00256144__0003_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/253/large_smg00256144__0006_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/251/large_smg00256144__0004_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/248/large_smg00256144__0001_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/695/large_smg00722773__0001_.jpg</image:loc><image:title>Book: personal account by Murray Gell-Mann about his research on complexity, with references to Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218988/composite-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/157/large_smg00067741.jpg</image:loc><image:title>Composite cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607223/graves-of-the-munity-victims-lucknow</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863594/saucer-from-golden-jubilee</loc><lastmod>2026-01-09T15:22:14.728Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/93/large_smg00256068__0001_.jpg</image:loc><image:title>Saucer from Golden Jubilee</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/94/large_smg00256068__0002_.jpg</image:loc><image:title>Saucer from Golden Jubilee</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8868230/journal-of-the-royal-astronomical-society-of-canada-from-february-2017</loc><lastmod>2026-01-09T15:22:15.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/708/large_smg00255823__0003_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from February 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/706/large_smg00255823__0001_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from February 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/707/large_smg00255823__0002_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from February 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078597/three-photoflux-super-ag1b-photo-flash-bulbs-on-plastic-carrier</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/890/large_smg00353655.jpg</image:loc><image:title>Three &apos;Photoflux&apos; Super AG1B Photo-Flash Bulbs on Plastic Carrier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607220/the-kutub-minar-delhi</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863592/biscuit-tin-with-contents</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/159/large_smg00256072__0001_.jpg</image:loc><image:title>Biscuit tin with contents</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087182/box-of-tubes</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219019/plaster-mould-of-roman-emperor-severus</loc><lastmod>2026-01-09T15:22:16.083Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/262/large_smg00068097.jpg</image:loc><image:title>Plaster mould of Roman Emperor Severus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863578/tea-pot</loc><lastmod>2026-01-09T15:22:15.070Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/111/large_smg00256087__0002_.jpg</image:loc><image:title>Tea pot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/110/large_smg00256087__0001_.jpg</image:loc><image:title>Tea pot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218990/composite-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607221/the-kutub-minar-showing-the-carving-on-the-first-gallery</loc><lastmod>2026-01-09T15:22:16.083Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078584/photo-flash-bulb-type-sm</loc><lastmod>2026-01-09T15:22:15.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/866/large_smg00353628.jpg</image:loc><image:title>Photo-flash Bulb Type SM</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219155/reproduction-in-alabaster-nude-figures-around-altar</loc><lastmod>2026-01-09T15:22:15.126Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/284/large_smg00068010.jpg</image:loc><image:title>Reproduction in alabaster, nude figures around altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219287/white-stone-reproduction-acanthus-leaves</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/61/large_smg00049401.jpg</image:loc><image:title>White stone reproduction, acanthus leaves</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087227/marconiphone-vrc72a-television-receiver</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083119/carton-of-fersolin-from-collection-of-vitamin-and-mineral-preparations-and-packaging</loc><lastmod>2026-01-09T15:22:16.275Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219348/piece-of-shell-mother-of-pearl</loc><lastmod>2026-01-09T15:22:16.083Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/200/large_smg00067341.jpg</image:loc><image:title>Piece of shell, mother of pearl</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219094/plaster-cast-seated-girl-with-raised-hand</loc><lastmod>2026-01-09T15:22:16.083Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/142/large_smg00067724.jpg</image:loc><image:title>Plaster cast, seated girl with raised hand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863555/book-about-the-quran-gifted-to-stephen-hawking</loc><lastmod>2026-01-09T15:22:16.275Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/260/large_smg00256103__0001_.jpg</image:loc><image:title>Book about the Quran gifted to Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/261/large_smg00256103__0002_.jpg</image:loc><image:title>Book about the Quran gifted to Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614551/cylindrical-container-labelled-to-contain-calomel</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218899/plaster-mould-marked-best</loc><lastmod>2026-01-09T15:22:16.275Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/305/large_smg00068073.jpg</image:loc><image:title>Plaster mould, marked &quot;Best&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608947/rules-and-promotional-material</loc><lastmod>2026-01-09T15:22:16.083Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/521/large_smg00246989.jpg</image:loc><image:title>Rules and Promotional Material</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94222/electrical-examination-lamp</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/489/73/large_smg00260113.jpg</image:loc><image:title>Electrical examination lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219358/drawing-scale-boxwood</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/726/large_smg00063844.jpg</image:loc><image:title>Drawing scale, boxwood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607201/wanga-valley</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219065/reproduction-in-sycamore-wood-roman-emperor-profile</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/356/large_smg00068371.jpg</image:loc><image:title>Reproduction in sycamore wood, Roman Emperor profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863527/book-key-work-on-differential-geometry-needed-for-working-on-general-relativity</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/214/large_smg00256131__0004_.jpg</image:loc><image:title>Book: key work on differential geometry, needed for working on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/211/large_smg00256131__0001_.jpg</image:loc><image:title>Book: key work on differential geometry, needed for working on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/212/large_smg00256131__0002_.jpg</image:loc><image:title>Book: key work on differential geometry, needed for working on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/213/large_smg00256131__0003_.jpg</image:loc><image:title>Book: key work on differential geometry, needed for working on general relativity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611501/replacement-fire-rod</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/671/large_smg00244364.jpg</image:loc><image:title>Replacement Fire Rod</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8870528/book-with-proceedings-of-the-second-marcel-grossmann-meeting-one-of-most-important-conferences-on-general-relativity</loc><lastmod>2026-01-09T15:22:17.252Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/730/large_smg00255821__0001_.jpg</image:loc><image:title>Book with proceedings of the second Marcel Grossmann meeting, one of most important conferences on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/731/large_smg00255821__0002_.jpg</image:loc><image:title>Book with proceedings of the second Marcel Grossmann meeting, one of most important conferences on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/732/large_smg00255821__0003_.jpg</image:loc><image:title>Book with proceedings of the second Marcel Grossmann meeting, one of most important conferences on general relativity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607212/government-house-calcutta</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863613/book-with-proceedings-of-twelfth-workshop-on-general-relativity-and-gravitation-in-japan-in-2002</loc><lastmod>2026-01-09T15:22:16.476Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/231/large_smg00256351__0001_.jpg</image:loc><image:title>Book with proceedings of twelfth workshop on general relativity and gravitation in Japan in 2002.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/234/large_smg00256351__0004_.jpg</image:loc><image:title>Book with proceedings of twelfth workshop on general relativity and gravitation in Japan in 2002.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/232/large_smg00256351__0002_.jpg</image:loc><image:title>Book with proceedings of twelfth workshop on general relativity and gravitation in Japan in 2002.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083307/lipiodol-f-fluid-3-of-4-packs-20ml</loc><lastmod>2026-01-09T15:22:17.252Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218980/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:16.408Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/159/large_smg00067743.jpg</image:loc><image:title>Plaster cast, male profile 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head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/926/large_1926_1075_0146__0002_.jpg</image:loc><image:title>Plaster cast of Egyptian head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218953/plaster-cast-profile-bust</loc><lastmod>2026-01-09T15:22:18.096Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/912/large_1926_1075_0057__0002_.jpg</image:loc><image:title>Plaster cast, profile bust</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/913/large_1926_1075_0059.jpg</image:loc><image:title>Plaster cast, profile bust</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/145/large_1926_1075_0057__0003_.jpg</image:loc><image:title>Plaster cast, profile 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al</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/56/large_smg00256051__0002_.jpg</image:loc><image:title>Baumann et al</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219208/plaster-cast-of-hand</loc><lastmod>2026-01-09T15:22:19.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/850/large_1926_1075_0302__0004_.jpg</image:loc><image:title>plaster cast of hand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/848/large_1926_1075_0302__0002_.jpg</image:loc><image:title>plaster cast of hand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/849/large_1926_1075_0302__0003_.jpg</image:loc><image:title>plaster cast of 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Japan</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/826/large_smg00256297__0004_.jpg</image:loc><image:title>Book with proceedings of workshop on general relativity and gravitation in Japan</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/823/large_smg00256297__0001_.jpg</image:loc><image:title>Book with proceedings of workshop on general relativity and gravitation in Japan</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/825/large_smg00256297__0003_.jpg</image:loc><image:title>Book with proceedings of workshop on general relativity and gravitation in Japan</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219241/bust-of-boy</loc><lastmod>2026-01-09T15:22:19.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/700/large_1926_1075_0334__0002_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/671/large_1926_1075_0333__0003_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/674/large_1926_1075_0334__0001_.jpg</image:loc><image:title>Bust of boy</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/241/large_smg00067938.jpg</image:loc><image:title>Bust of boy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8347552/orthicon-deflection-yoke-for-emi-206207</loc><lastmod>2026-01-09T15:22:19.489Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/714/large_smg00353417.jpg</image:loc><image:title>Orthicon Deflection Yoke for EMI 206/207</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863964/norman-stokes-homemade-televisor-1931</loc><lastmod>2026-01-09T15:22:18.960Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/10/large_1997_5325_0001__0001_.jpg</image:loc><image:title>Norman Stokes&apos; homemade Televisor, 1931</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/738/11/large_1997_5325_0001__0002_.jpg</image:loc><image:title>Norman Stokes&apos; homemade Televisor, 1931</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078578/sylvania-photo-flash-bulb</loc><lastmod>2026-01-09T15:22:19.251Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/868/large_smg00353630.jpg</image:loc><image:title>&apos;Sylvania&apos; Photo-Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91104/fenestrated-speculum</loc><lastmod>2026-01-09T15:22:19.012Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219247/reproduction-in-alabaster-male-bust</loc><lastmod>2026-01-09T15:22:19.489Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/949/large_1926_1075_0340__0001_.jpg</image:loc><image:title>Reproduction in alabaster, male 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OCP</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219384/one-paper-washer</loc><lastmod>2026-01-09T15:22:19.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/615/large_smg00271227.jpg</image:loc><image:title>One paper washer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/462/604/large_smg00271227.jpg</image:loc><image:title>One paper washer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087142/hmv-television-receiver</loc><lastmod>2026-01-09T15:22:19.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863784/tea-jar</loc><lastmod>2026-01-09T15:22:19.012Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/130/large_smg00255891__0001_.jpg</image:loc><image:title>Tea jar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865213/access-pass-to-simpsons-episode-release-party</loc><lastmod>2026-01-09T15:22:19.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219044/lysauer-head-and-shoulders-facing</loc><lastmod>2026-01-09T15:22:18.960Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614605/glass-bottle-labelled-as-containing-bismuth-and-soda</loc><lastmod>2026-01-09T15:22:19.251Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863507/book-on-dark-matter-with-foreword-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:19.489Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/236/large_smg00256140__0005_.jpg</image:loc><image:title>Book on dark matter with foreword by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/234/large_smg00256140__0003_.jpg</image:loc><image:title>Book on dark matter with foreword by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/232/large_smg00256140__0001_.jpg</image:loc><image:title>Book on dark matter with foreword by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/235/large_smg00256140__0004_.jpg</image:loc><image:title>Book on dark matter with foreword by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/233/large_smg00256140__0002_.jpg</image:loc><image:title>Book on dark matter with foreword by Stephen 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Venus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/194/large_1926_1075_0215__0003_.jpg</image:loc><image:title>Plaster cast of Venus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/220/large_smg00067904.jpg</image:loc><image:title>Plaster cast of Venus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865764/mug-depicting-prague</loc><lastmod>2026-01-09T15:22:22.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/890/large_smg00255868__0001_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/892/large_smg00255868__0003_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/895/large_smg00255868__0006_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/894/large_smg00255868__0005_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/893/large_smg00255868__0004_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/891/large_smg00255868__0002_.jpg</image:loc><image:title>Mug depicting Prague</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863752/carved-buffalo-horn</loc><lastmod>2026-01-09T15:22:22.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/813/large_smg00255921__0001_.jpg</image:loc><image:title>Carved buffalo horn</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/815/large_smg00255921__0003_.jpg</image:loc><image:title>Carved buffalo horn</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/814/large_smg00255921__0002_.jpg</image:loc><image:title>Carved buffalo horn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864230/double-bone-scoopcurette</loc><lastmod>2026-01-09T15:22:22.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219129/composite-reproduction-venus</loc><lastmod>2026-01-09T15:22:22.725Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/209/large_smg00067902.jpg</image:loc><image:title>Composite reproduction, Venus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219258/packet-of-34-plaster-medallions</loc><lastmod>2026-01-09T15:22:23.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/50/large_smg00049390.jpg</image:loc><image:title>Packet of 34 plaster medallions</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614542/medicine-chest-used-by-captain-scott</loc><lastmod>2026-01-09T15:22:23.608Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219195/plaster-mould</loc><lastmod>2026-01-09T15:22:22.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345167/bottle-of-j-collis-brownes-chlorodyne</loc><lastmod>2026-01-09T15:22:22.725Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863809/75th-birthday-card-2017</loc><lastmod>2026-01-09T15:22:22.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/244/large_smg00256325__0001_.jpg</image:loc><image:title>75th birthday card, 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/245/large_smg00256325__0002_.jpg</image:loc><image:title>75th birthday card, 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219223/iron-casting-of-dogs-head</loc><lastmod>2026-01-09T15:22:23.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/109/large_smg00067331.jpg</image:loc><image:title>Iron casting of dog&apos;s head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081778/pye-mark-iii-television-camera-head</loc><lastmod>2026-01-09T15:22:23.608Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/145/464/large_a000084b.jpg</image:loc><image:title>Pye Mark III television camera head</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/165/442/large_70316_4.jpg</image:loc><image:title>Pye Mark III television camera head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345253/bottle-for-paregoric-elixir</loc><lastmod>2026-01-09T15:22:22.947Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863577/wooden-mug-tree</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/104/large_smg00256082__0008_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/103/large_smg00256082__0007_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/100/large_smg00256082__0004_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/99/large_smg00256082__0003_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/105/large_smg00256082__0009_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/102/large_smg00256082__0006_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/97/large_smg00256082__0001_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/98/large_smg00256082__0002_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/101/large_smg00256082__0005_.jpg</image:loc><image:title>Wooden mug tree</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607182/the-tiger-hunt</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863557/square-lamp</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/209/large_smg00256344__0002_.jpg</image:loc><image:title>Square lamp</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/208/large_smg00256344__0001_.jpg</image:loc><image:title>Square lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219266/stone-reproduction-rosette-on-circular-base</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/230/large_smg00067925.jpg</image:loc><image:title>Stone reproduction, rosette on circular base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219229/lead-matrix-featuring-j-jacques-rousseau</loc><lastmod>2026-01-09T15:22:24.584Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/238/large_smg00067934.jpg</image:loc><image:title>Lead matrix featuring J Jacques Rousseau</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218974/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/960/large_smg00066280.jpg</image:loc><image:title>Plaster cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083306/lipiodol-ultra-fluid-1-of-4-packs-10ml-and-4-packs-each-containing-four-5ml-ampoules</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/626/large_1981_1459_0001.jpg</image:loc><image:title>Lipiodol Ultra Fluid (1 of 4 packs 10ml and 4 packs each containing four 5ml ampoules)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219059/plaster-cast-male-profile</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/270/large_smg00068785.jpg</image:loc><image:title>Plaster cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219304/compo-scroll-and-leaf-work</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/267/large_smg00067988.jpg</image:loc><image:title>Compo, scroll and leaf work</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087158/video-cable-link-amplifier</loc><lastmod>2026-01-09T15:22:24.906Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219072/plaster-cast-female-profile</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/274/large_smg00068789.jpg</image:loc><image:title>Plaster cast, female profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607209/tomb</loc><lastmod>2026-01-09T15:22:24.584Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8082527/coloured-internal-workings-of-syminton-steam-engine</loc><lastmod>2026-01-09T15:22:24.276Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863518/book-historical-account-of-astronomy-in-times-of-newton</loc><lastmod>2026-01-09T15:22:24.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/626/large_smg00256139__0001_.jpg</image:loc><image:title>Book: historical account of astronomy in times of Newton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/627/large_smg00256139__0002_.jpg</image:loc><image:title>Book: historical account of astronomy in times of Newton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863612/kettle</loc><lastmod>2026-01-09T15:22:24.584Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/45/large_smg00256046__0005_.jpg</image:loc><image:title>Kettle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/42/large_smg00256046__0002_.jpg</image:loc><image:title>Kettle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/41/large_smg00256046__0001_.jpg</image:loc><image:title>Kettle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/43/large_smg00256046__0003_.jpg</image:loc><image:title>Kettle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/44/large_smg00256046__0004_.jpg</image:loc><image:title>Kettle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8606589/case-for-trephination-set</loc><lastmod>2026-01-09T15:22:24.906Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8612860/catheter-part-of-1938-everest-expedition-kit</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/841/large_1981_1009_0016__0001_.jpg</image:loc><image:title>Catheter, part of 1938 Everest expedition kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/828/large_1981_1009__0004_.jpg</image:loc><image:title>Catheter, part of 1938 Everest expedition kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/291/827/large_1981_1009__0005_.jpg</image:loc><image:title>Catheter, part of 1938 Everest expedition kit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087245/ferguson-941t-television-receiver</loc><lastmod>2026-01-09T15:22:24.458Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219249/plaster-bust-greek-woman-with-hairband</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/289/large_smg00030902.jpg</image:loc><image:title>Plaster bust, Greek woman with hairband</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219373/mahogany-pantograph</loc><lastmod>2026-01-09T15:22:24.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/510/large_smg00267913.jpg</image:loc><image:title>Mahogany pantograph</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611528/circuit-board</loc><lastmod>2026-01-09T15:22:24.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/414/large_y1996_0010_1426__0003_.jpg</image:loc><image:title>Circuit Board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/410/large_y1996_0010_1426__0002_.jpg</image:loc><image:title>Circuit Board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/411/large_y1996_0010_1426__0001_.jpg</image:loc><image:title>Circuit Board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863819/book-standard-translation-of-galileos-most-influential-scientific-work</loc><lastmod>2026-01-09T15:22:25.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/530/large_smg00256317__0002_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/529/large_smg00256317__0001_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/531/large_smg00256317__0003_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/532/large_smg00256317__0004_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/129/large_smg00256317__0002_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/128/large_smg00256317__0001_.jpg</image:loc><image:title>Book: Standard translation of Galileo&apos;s most influential scientific work</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8348228/scanner-yolk</loc><lastmod>2026-01-09T15:22:25.751Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/171/large_smg00222286.jpg</image:loc><image:title>Scanner Yolk</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339781/marconi-45-inch-image-orthicon-tube</loc><lastmod>2026-01-09T15:22:25.751Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/318/large_smg00447311.jpg</image:loc><image:title>Marconi 4.5 inch Image Orthicon Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339582/box-of-accessories-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/693/large_smg00355845.jpg</image:loc><image:title>Box of accessories for Newman Sinclair NS400 cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865768/mug-depicting-marilyn-monroe</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/884/large_smg00255865__0004_.jpg</image:loc><image:title>Mug depicting Marilyn Monroe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/881/large_smg00255865__0001_.jpg</image:loc><image:title>Mug depicting Marilyn Monroe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/883/large_smg00255865__0003_.jpg</image:loc><image:title>Mug depicting Marilyn Monroe</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/882/large_smg00255865__0002_.jpg</image:loc><image:title>Mug depicting Marilyn Monroe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345301/glass-phial-containing-atropine-powder</loc><lastmod>2026-01-09T15:22:25.533Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218962/reproduction-in-wood-dr-joseph-black</loc><lastmod>2026-01-09T15:22:25.751Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/190/large_smg00066284.jpg</image:loc><image:title>Reproduction in wood, Dr Joseph Black</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863583/tea-cup</loc><lastmod>2026-01-09T15:22:26.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/116/large_smg00256089__0003_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/114/large_smg00256089__0001_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/115/large_smg00256089__0002_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/118/large_smg00256089__0005_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/117/large_smg00256089__0004_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/119/large_smg00256089__0006_.jpg</image:loc><image:title>Tea cup</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219371/four-small-pieces-of-broken-glass</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/496/large_smg00267899.jpg</image:loc><image:title>Four small pieces of broken glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219151/plaster-mould-nude-figures-around-altar</loc><lastmod>2026-01-09T15:22:26.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/203/large_smg00067360.jpg</image:loc><image:title>Plaster mould, nude figures around altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078586/four-photoflux-photo-flash-bulbs-type-pf-24n</loc><lastmod>2026-01-09T15:22:25.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/851/large_smg00353613.jpg</image:loc><image:title>Four &apos;Photoflux&apos; Photo-Flash Bulbs Type PF 24N</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219181/compo-mould-of-woman-holding-lyre</loc><lastmod>2026-01-09T15:22:25.751Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/291/large_smg00068017.jpg</image:loc><image:title>Compo mould of woman holding lyre</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864564/crossley-shelsley-motor-car</loc><lastmod>2026-01-09T15:22:26.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/442/large_cd0682_068_120306_a_s_l1987_4_crossley_shelsley_motor_car.jpg</image:loc><image:title>Crossley Shelsley Motor Car</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/251/665/large_y2009_2__0001_.jpg</image:loc><image:title>Crossley Shelsley Motor Car</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/254/882/large_y2009_0002__0001_.jpg</image:loc><image:title>Crossley Shelsley Motor Car</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/715/778/large_y2009_0002_0001__0001_.jpg</image:loc><image:title>Crossley Shelsley Motor Car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611573/ferranti-ashtray</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/111/large_smg00244971.jpg</image:loc><image:title>Ferranti Ashtray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219110/plaster-cast-woman-holding-goblet</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/203/large_smg00067894.jpg</image:loc><image:title>Plaster cast, woman holding goblet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8347884/components-of-ernie-i</loc><lastmod>2026-01-09T15:22:26.226Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863840/phd-thesis-by-hawkings-student-james-grant-titled-spacetime-distortion-and-quantum-gravity-including-handwritten-letter</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/818/large_smg00256296__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student James Grant, titled: Spacetime distortion and quantum gravity. Including handwritten letter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/819/large_smg00256296__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student James Grant, titled: Spacetime distortion and quantum gravity. Including handwritten letter</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/820/large_smg00256296__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student James Grant, titled: Spacetime distortion and quantum gravity. Including handwritten letter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219362/sheath-knife-with-horn-handle</loc><lastmod>2026-01-09T15:22:25.750Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/49/large_smg00049387.jpg</image:loc><image:title>Sheath knife with horn handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611430/mechanical-component</loc><lastmod>2026-01-09T15:22:26.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/107/large_smg00244966.jpg</image:loc><image:title>Mechanical Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219145/plaster-mould-marked-marriage-of-cupid-and-pscyche</loc><lastmod>2026-01-09T15:22:26.967Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/125/large_smg00067356.jpg</image:loc><image:title>Plaster mould, marked &quot;Marriage of Cupid &amp; Pscyche&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8077063/one-only-of-two-match-boxes</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/899/large_smg00297323.jpg</image:loc><image:title>[One only of] Two Match Boxes</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/454/573/large_smg00115818.jpg</image:loc><image:title>[One only of] Two Match Boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087147/experimental-emitron-camera-tube</loc><lastmod>2026-01-09T15:22:26.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91109/swab-handle</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087162/television-pulse-generator</loc><lastmod>2026-01-09T15:22:26.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218982/plaster-cast-male-profile-bust</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/164/large_smg00067749.jpg</image:loc><image:title>Plaster cast, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8347680/pye-camera-tube-lag-tester</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/715/large_smg00353418.jpg</image:loc><image:title>Pye Camera Tube Lag Tester</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co92263/spirometer-calibrated-in-cls-and-ccs</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/516/604/large_smg00290396.jpg</image:loc><image:title>Spirometer calibrated in CLs and CCs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219263/mahogany-reproduction-rosette-on-square-base</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/60/large_smg00049400.jpg</image:loc><image:title>Mahogany reproduction, rosette on square base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219016/plaster-cast-homer</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/342/large_smg00068357.jpg</image:loc><image:title>Plaster cast, Homer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083475/lithographic-colour-advertisement</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94791/placenta-dish</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/720/large_smg00242079.jpg</image:loc><image:title>Placenta dish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219066/reproduction-in-sycamore-wood-roman-emperor-profile</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/357/large_smg00068372.jpg</image:loc><image:title>Reproduction in sycamore wood, Roman Emperor profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863746/book-celebrating-750th-anniversary-of-university-college-oxford-where-hawking-studied-as-undegraduate</loc><lastmod>2026-01-09T15:22:27.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614570/glass-bottle-labelled-to-contain-pepsin-bismuth-and-charcoal</loc><lastmod>2026-01-09T15:22:26.804Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087155/wax-ruling-machine</loc><lastmod>2026-01-09T15:22:26.967Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339726/peto-scott-television-studio-monitor</loc><lastmod>2026-01-09T15:22:27.384Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/931/large_smg00222032.jpg</image:loc><image:title>Peto Scott Television Studio Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345158/bottle-for-laudanum</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219013/wax-cast-male-profile</loc><lastmod>2026-01-09T15:22:27.027Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/348/large_smg00068363.jpg</image:loc><image:title>Wax cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345293/glass-bottle-containing-quinine-and-urea-hypodermic-tablets</loc><lastmod>2026-01-09T15:22:27.384Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219142/plaster-cast-hercules-and-numaean-lion</loc><lastmod>2026-01-09T15:22:28.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/916/large_1926_1075_0235__0002_.jpg</image:loc><image:title>Plaster cast, Hercules and Numaean lion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/915/large_1926_1075_0235__0001_.jpg</image:loc><image:title>Plaster cast, Hercules and Numaean lion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/123/large_smg00067354.jpg</image:loc><image:title>Plaster cast, Hercules and Numaean lion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863586/tea-cup</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/125/large_smg00256092__0003_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/127/large_smg00256092__0005_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/124/large_smg00256092__0002_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/126/large_smg00256092__0004_.jpg</image:loc><image:title>Tea cup</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/123/large_smg00256092__0001_.jpg</image:loc><image:title>Tea cup</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91105/fenestrated-speculum</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219150/composite-cast-marriage-of-cupid-and-psyche</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/283/large_smg00068009.jpg</image:loc><image:title>Composite cast, marriage of Cupid and Psyche</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219396/wooden-box-for-architectural-model</loc><lastmod>2026-01-09T15:22:28.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/513/large_smg00267916.jpg</image:loc><image:title>Wooden box for architectural model</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611522/transistors</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/681/large_smg00244379.jpg</image:loc><image:title>Transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863541/book-in-hebrew-criticizing-stephen-hawking-with-personal-messages-by-the-author</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/293/large_smg00256120__0002_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal messages by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/295/large_smg00256120__0004_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal messages by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/294/large_smg00256120__0003_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal messages by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/292/large_smg00256120__0001_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal messages by the author</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345373/glass-bottle-of-dovers-powder</loc><lastmod>2026-01-09T15:22:28.734Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219201/plaster-mould-male-profile-possibly-attila</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/326/large_smg00068344.jpg</image:loc><image:title>Plaster mould, male profile possibly Attila</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8606898/note</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345162/bottle-of-dovers-powder</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219378/brass-stylus</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/501/large_smg00267904.jpg</image:loc><image:title>Brass stylus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087160/recording-film-samples</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219222/plaster-mould-reclining-figure-possibly-ceres</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/151/large_smg00067733.jpg</image:loc><image:title>Plaster mould, reclining figure possibly Ceres</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8870530/book-catalogue-of-works-in-physics-and-astrophysics-published-by-princeton-university-press-in-2017</loc><lastmod>2026-01-09T15:22:28.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/856/large_smg00255826__0001_.jpg</image:loc><image:title>Book catalogue of works in Physics and Astrophysics published by Princeton University Press in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/859/large_smg00255826__0004_.jpg</image:loc><image:title>Book catalogue of works in Physics and Astrophysics published by Princeton University Press in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/857/large_smg00255826__0002_.jpg</image:loc><image:title>Book catalogue of works in Physics and Astrophysics published by Princeton University Press in 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/858/large_smg00255826__0003_.jpg</image:loc><image:title>Book catalogue of works in Physics and Astrophysics published by Princeton University Press in 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863520/bowl</loc><lastmod>2026-01-09T15:22:28.734Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/230/large_smg00256137__0002_.jpg</image:loc><image:title>Bowl</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/229/large_smg00256137__0001_.jpg</image:loc><image:title>Bowl</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219055/plaster-mould-male-profile</loc><lastmod>2026-01-09T15:22:28.258Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/349/large_smg00068364.jpg</image:loc><image:title>Plaster mould, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863814/book-with-john-archibald-wheelers-law-without-law-approach-to-physics-sent-to-hawking-for-discussion</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/163/large_smg00256327__0001_.jpg</image:loc><image:title>Book with John Archibald Wheeler&apos;s &quot;law without law&quot; approach to physics, sent to Hawking for discussion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/164/large_smg00256327__0002_.jpg</image:loc><image:title>Book with John Archibald Wheeler&apos;s &quot;law without law&quot; approach to physics, sent to Hawking for discussion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863732/signed-photograph-of-steven-spielberg</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345165/bottle-for-cocaine-hydrochloride-solution</loc><lastmod>2026-01-09T15:22:28.381Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94808/packet-of-umbilical-cord-dressing</loc><lastmod>2026-01-09T15:22:28.734Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/17/616/large_1982_0561_0025.jpg</image:loc><image:title>Packet of umbilical cord dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/861/large_smg00241199.jpg</image:loc><image:title>Packet of umbilical cord dressing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078591/two-hanimex-flashcubes</loc><lastmod>2026-01-09T15:22:28.734Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219187/plaster-mould-seated-man-holding-book</loc><lastmod>2026-01-09T15:22:28.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/124/large_smg00067355.jpg</image:loc><image:title>Plaster mould, seated man holding book</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219146/plaster-mould-marriage-of-cupid-and-psyche</loc><lastmod>2026-01-09T15:22:28.734Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/192/large_smg00067326.jpg</image:loc><image:title>Plaster mould, marriage of Cupid and Psyche</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863799/book-with-proceedings-of-mathematicians-summer-school-on-differential-equations-and-dynamical-systems-from-1969-with-compliments-slip-to-hawking-by-the-editor</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/184/large_smg00256334__0003_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/182/large_smg00256334__0001_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/183/large_smg00256334__0002_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/185/large_smg00256334__0004_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/186/large_smg00256334__0005_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/187/large_smg00256334__0006_.jpg</image:loc><image:title>Book with proceedings of mathematician&apos;s summer school on differential equations and dynamical systems from 1969 with compliments slip to Hawking by the editor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219017/plaster-cast-homer</loc><lastmod>2026-01-09T15:22:30.653Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/343/large_smg00068358.jpg</image:loc><image:title>Plaster cast, Homer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345170/bottle-for-cholera-drops</loc><lastmod>2026-01-09T15:22:30.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345287/glass-bottle-containing-physostigmine-sulphate-powder</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345458/metal-container-of-dried-cannabis</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8341862/three-evershed-power-optics-zoom-demand-units</loc><lastmod>2026-01-09T15:22:30.653Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/414/large_smg00353113.jpg</image:loc><image:title>Three Evershed Power Optics Zoom Demand Units</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219252/plaster-bust-of-aristotle</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/956/large_1926_1075_0345__0002_.jpg</image:loc><image:title>Plaster bust of Aristotle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/957/large_1926_1075_0345__0003_.jpg</image:loc><image:title>Plaster bust of Aristotle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/955/large_1926_1075_0345__0001_.jpg</image:loc><image:title>Plaster bust of Aristotle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219114/plaster-cast-women-and-children-with-lamb</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/205/large_smg00067896.jpg</image:loc><image:title>Plaster cast, women and children with lamb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218939/wax-cast-male-profile</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/189/large_smg00067874.jpg</image:loc><image:title>Wax cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607191/view-of-benares</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863590/microwave-oven-with-barack-obama-sticker</loc><lastmod>2026-01-09T15:22:30.653Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/214/large_smg00256347__0002_.jpg</image:loc><image:title>Microwave oven with Barack Obama sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/215/large_smg00256347__0003_.jpg</image:loc><image:title>Microwave oven with Barack Obama sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/216/large_smg00256347__0004_.jpg</image:loc><image:title>Microwave oven with Barack Obama sticker</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/213/large_smg00256347__0001_.jpg</image:loc><image:title>Microwave oven with Barack Obama sticker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219279/compo-child-with-vines-and-grapes</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/65/large_smg00049405.jpg</image:loc><image:title>Compo, child with vines and grapes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614599/glass-bottle-labelled-as-containing-sodium-salicylate</loc><lastmod>2026-01-09T15:22:30.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607185/the-palace-of-light-husainabad-lucknow</loc><lastmod>2026-01-09T15:22:30.983Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863990/photograph-showing-televisor-made-by-norman-stokes</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611566/electric-fire-element</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/425/large_smg00243867.jpg</image:loc><image:title>Electric Fire Element</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219067/composite-cast-roman-emperor-profile</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/358/large_smg00068373.jpg</image:loc><image:title>Composite cast, Roman Emperor profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083846/decorative-mother-of-pearl-case-for-lancets</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/467/large_a190615__0002_.jpg</image:loc><image:title>Decorative mother-of-pearl case for lancets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/282/804/large_a190615_pt4__0001_.jpg</image:loc><image:title>Decorative mother-of-pearl case for lancets</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/282/805/large_a190615__0001_.jpg</image:loc><image:title>Decorative mother-of-pearl case for lancets</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219112/plaster-mould-of-horse</loc><lastmod>2026-01-09T15:22:30.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/214/large_smg00067913.jpg</image:loc><image:title>Plaster mould of horse</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219048/cast-mould-demosthenes</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/265/large_smg00068779.jpg</image:loc><image:title>Cast mould, Demosthenes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863776/tray-with-picture-of-a-chicken</loc><lastmod>2026-01-09T15:22:30.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/753/large_smg00255899__0002_.jpg</image:loc><image:title>Tray with picture of a chicken</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/752/large_smg00255899__0001_.jpg</image:loc><image:title>Tray with picture of a chicken</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218932/plaster-cast-of-male-profile</loc><lastmod>2026-01-09T15:22:30.983Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/171/large_smg00067856.jpg</image:loc><image:title>Plaster cast of male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219088/plaster-cast-seated-child-with-flower</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/230/large_smg00067946.jpg</image:loc><image:title>Plaster cast, seated child with flower</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345266/bottle-of-compressed-opium-tablets</loc><lastmod>2026-01-09T15:22:30.653Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219169/plaster-mould-of-man-with-dog-and-fox</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/302/large_smg00068056.jpg</image:loc><image:title>Plaster mould of man with dog and fox</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219264/compo-in-the-form-of-a-rosette</loc><lastmod>2026-01-09T15:22:30.614Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/51/large_smg00049391.jpg</image:loc><image:title>Compo in the form of a rosette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863528/book-with-collection-of-reprinted-articles-on-superstring-theory-an-approach-to-unifying-physics-pursued-by-hawking-in-the-1980s-including-a-birthday-card</loc><lastmod>2026-01-09T15:22:30.529Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/208/large_smg00256130__0001_.jpg</image:loc><image:title>Book with collection of reprinted articles on superstring theory, an approach to unifying physics pursued by Hawking in the 1980s. Including a birthday card.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/210/large_smg00256130__0003_.jpg</image:loc><image:title>Book with collection of reprinted articles on superstring theory, an approach to unifying physics pursued by Hawking in the 1980s. Including a birthday card.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/209/large_smg00256130__0002_.jpg</image:loc><image:title>Book with collection of reprinted articles on superstring theory, an approach to unifying physics pursued by Hawking in the 1980s. Including a birthday card.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614567/glass-bottle-labelled-to-contain-lead-with-opium</loc><lastmod>2026-01-09T15:22:31.749Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219184/plaster-mould-female-figures-around-altar</loc><lastmod>2026-01-09T15:22:31.741Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/298/large_smg00068052.jpg</image:loc><image:title>Plaster mould, female figures around altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864432/homer-simpson-plastic-wall-clock</loc><lastmod>2026-01-09T15:22:31.823Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219313/ornamental-cast-iron-moulding</loc><lastmod>2026-01-09T15:22:31.741Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/155/large_smg00067738.jpg</image:loc><image:title>Ornamental cast iron moulding</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863740/glass-lamp-decorated-with-authors-published-in-german-by-rowohlt-including-stephen-hawking</loc><lastmod>2026-01-09T15:22:31.749Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/854/large_smg00255934__0003_.jpg</image:loc><image:title>Glass lamp decorated with authors published in German by Rowohlt, including Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/853/large_smg00255934__0002_.jpg</image:loc><image:title>Glass lamp decorated with authors published in German by Rowohlt, including Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/852/large_smg00255934__0001_.jpg</image:loc><image:title>Glass lamp decorated with authors published in German by Rowohlt, including Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/855/large_smg00255934__0004_.jpg</image:loc><image:title>Glass lamp decorated with authors published in German by Rowohlt, including Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345298/glass-bottle-containing-hyoscine-hypodermic-tablets</loc><lastmod>2026-01-09T15:22:31.749Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863778/birthday-wishes-on-big-bang-theory-greeting-card</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/577/large_smg00256366__0004_.jpg</image:loc><image:title>Birthday wishes on &apos;Big Bang Theory&apos; greeting card</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/575/large_smg00256366__0002_.jpg</image:loc><image:title>Birthday wishes on &apos;Big Bang Theory&apos; greeting card</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/574/large_smg00256366__0001_.jpg</image:loc><image:title>Birthday wishes on &apos;Big Bang Theory&apos; greeting card</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/576/large_smg00256366__0003_.jpg</image:loc><image:title>Birthday wishes on &apos;Big Bang Theory&apos; greeting card</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339725/synchronizing-pulse-generator</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/363/large_smg00353057.jpg</image:loc><image:title>Synchronizing Pulse Generator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219084/plaster-cast</loc><lastmod>2026-01-09T15:22:31.823Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/117/large_smg00067347.jpg</image:loc><image:title>Plaster cast</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339584/motor-with-frame-counter-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:22:31.823Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/695/large_smg00355850.jpg</image:loc><image:title>Motor with frame counter for Newman Sinclair NS400 cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078569/large-sashalite-long-flash-photo-flash-bulb</loc><lastmod>2026-01-09T15:22:31.741Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/855/large_smg00353617.jpg</image:loc><image:title>Large Sashalite &apos;Long Flash&apos;  Photo-Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219117/plaster-cast-reclining-cupid</loc><lastmod>2026-01-09T15:22:31.741Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/221/large_smg00067905.jpg</image:loc><image:title>Plaster cast, reclining Cupid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219154/compo-mould-nude-figures-around-altar</loc><lastmod>2026-01-09T15:22:31.741Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/282/large_smg00068008.jpg</image:loc><image:title>Compo mould, nude figures around altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218948/plaster-mould-profile-bust</loc><lastmod>2026-01-09T15:22:31.749Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/188/large_smg00067873.jpg</image:loc><image:title>Plaster mould, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218999/composite-cast-male-profile</loc><lastmod>2026-01-09T15:22:31.823Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/351/large_smg00068366.jpg</image:loc><image:title>Composite cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8342366/bottle-for-opium-tablets-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087188/colour-prism-assembly</loc><lastmod>2026-01-09T15:22:31.823Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8347881/components-of-ernie-i</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/461/194/large_smg00276641.jpg</image:loc><image:title>Components of ERNIE I</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219317/etching-in-slate-depicting-cows</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/212/large_smg00067386.jpg</image:loc><image:title>Etching in slate depicting cows</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607216/sind-valley-above-sonamarg-kashmir</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078577/sylvania-photo-flash-bulb</loc><lastmod>2026-01-09T15:22:32.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/867/large_smg00353629.jpg</image:loc><image:title>&apos;Sylvania&apos; Photo-Flash Bulb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219047/plaster-mould-of-paris-and-elena-helen</loc><lastmod>2026-01-09T15:22:32.941Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/331/large_smg00068349.jpg</image:loc><image:title>Plaster mould of Paris and Elena (Helen)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94811/cartons-mucus-evacuator</loc><lastmod>2026-01-09T15:22:32.978Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/716/large_smg00242074.jpg</image:loc><image:title>Carton&apos;s mucus evacuator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219205/cupid-and-psyche</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/501/large_1926_1075_0299__0001_.jpg</image:loc><image:title>Cupid and Psyche</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/502/large_1926_1075_0299__0002_.jpg</image:loc><image:title>Cupid and Psyche</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219387/synoptic-scale-of-weights-and-measures-monies-and-coins</loc><lastmod>2026-01-09T15:22:32.941Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/724/large_smg00063842.jpg</image:loc><image:title>Synoptic scale of &quot;Weights &amp; Measures, Monies &amp; Coins&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863780/tray</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/762/large_smg00255904__0002_.jpg</image:loc><image:title>Tray</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/761/large_smg00255904__0001_.jpg</image:loc><image:title>Tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865209/neck-warmer-from-stephen-hawkings-office</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/705/large_smg00255875__0001_.jpg</image:loc><image:title>Neck warmer from Stephen Hawking&apos;s office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863569/resin-portrait-of-stephen-hawking</loc><lastmod>2026-01-09T15:22:32.941Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/248/large_smg00256343__0002_.jpg</image:loc><image:title>Resin portrait of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/247/large_smg00256343__0001_.jpg</image:loc><image:title>Resin portrait of Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/249/large_smg00256343__0003_.jpg</image:loc><image:title>Resin portrait of Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863540/book-in-hebrew-criticizing-stephen-hawking-with-personal-message-by-the-author</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/289/large_smg00256119__0001_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal message by the author</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/290/large_smg00256119__0002_.jpg</image:loc><image:title>Book in Hebrew criticizing Stephen Hawking, with personal message by the author</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863491/model-of-a-space-shuttle</loc><lastmod>2026-01-09T15:22:32.941Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/583/large_smg00256368__0006_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/582/large_smg00256368__0005_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/581/large_smg00256368__0004_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/578/large_smg00256368__0001_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/580/large_smg00256368__0003_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/579/large_smg00256368__0002_.jpg</image:loc><image:title>Model of a space shuttle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8346170/praxinoscope-strip-girl-feeding-chickens</loc><lastmod>2026-01-09T15:22:32.978Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608950/linotype-punch-tapes</loc><lastmod>2026-01-09T15:22:32.941Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219153/plaster-cast-nude-figures-around-altar</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/223/large_smg00067939.jpg</image:loc><image:title>Plaster cast, nude figures around altar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863753/rolling-cupboard-from-kitchen</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/808/large_smg00255920__0003_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/812/large_smg00255920__0007_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/811/large_smg00255920__0006_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/806/large_smg00255920__0001_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/807/large_smg00255920__0002_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/810/large_smg00255920__0005_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/809/large_smg00255920__0004_.jpg</image:loc><image:title>Rolling cupboard from kitchen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608955/linecasting-makers-plates</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/474/859/large_smg00243148.jpg</image:loc><image:title>Linecasting Maker&apos;s Plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219280/cast-of-ram</loc><lastmod>2026-01-09T15:22:32.978Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863595/saucer</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/95/large_smg00256069__0001_.jpg</image:loc><image:title>Saucer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/96/large_smg00256069__0002_.jpg</image:loc><image:title>Saucer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219118/compo-cast-reclining-cupid</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/216/large_smg00067915.jpg</image:loc><image:title>Compo cast, reclining Cupid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218947/plaster-mould-profile-bust</loc><lastmod>2026-01-09T15:22:33.067Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/169/large_smg00067853.jpg</image:loc><image:title>Plaster mould, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8340396/spares-including-cable</loc><lastmod>2026-01-09T15:22:34.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/707/large_smg00353410.jpg</image:loc><image:title>Spares Including Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219179/plaster-cast-of-women-holding-fruit-and-flowers</loc><lastmod>2026-01-09T15:22:34.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/299/large_smg00068053.jpg</image:loc><image:title>Plaster cast of women holding fruit and flowers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8342056/poison-bottle-containing-mercury-with-ammonia-powder</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087223/cps-emitron-camera-tube</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087246/video-disc-masters</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614528/box-for-scarificator</loc><lastmod>2026-01-09T15:22:34.063Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/598/large_smg00269855.jpg</image:loc><image:title>Box for scarificator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345459/metal-container-of-dried-coca-leaves</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8342317/mirror-hood-and-periscopic-tube</loc><lastmod>2026-01-09T15:22:33.494Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/32/37/large_1955_0170_0002.jpg</image:loc><image:title>Mirror hood and Periscopic Tube</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/32/52/large_e2012_73_4.jpg</image:loc><image:title>Mirror hood and Periscopic Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607189/the-lieut-governor-of-the-punjaub-camel-carriages</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081810/animation-model-of-womble-stepney</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607180/the-taj-mahal-from-the-river-agra</loc><lastmod>2026-01-09T15:22:34.063Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219375/brass-pantograph</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/445/504/large_smg00267907.jpg</image:loc><image:title>Brass pantograph</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607224/interior-taj-mahal</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863584/tea-cup-from-golden-jubilee</loc><lastmod>2026-01-09T15:22:34.122Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/113/large_smg00256088__0002_.jpg</image:loc><image:title>Tea cup from Golden Jubilee</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/112/large_smg00256088__0001_.jpg</image:loc><image:title>Tea cup from Golden Jubilee</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087145/five-inch-experimental-cathode-ray-tube</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863530/book-with-proceedings-of-the-second-marcel-grossmann-meeting-one-of-most-important-conferences-on-general-relativity</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/623/large_smg00256128__0002_.jpg</image:loc><image:title>Book with proceedings of the second Marcel Grossmann meeting, one of most important conferences on general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/622/large_smg00256128__0001_.jpg</image:loc><image:title>Book with proceedings of the second Marcel Grossmann meeting, one of most important conferences on general relativity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219135/plaster-cast-nude-children-with-goat</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/264/large_smg00067985.jpg</image:loc><image:title>Plaster cast, nude children with goat</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218987/plaster-mould-profile-bust</loc><lastmod>2026-01-09T15:22:34.296Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/201/large_smg00067886.jpg</image:loc><image:title>Plaster mould, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218964/reproduction-in-alabaster-dr-joseph-black</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/299/962/large_smg00066283.jpg</image:loc><image:title>Reproduction in alabaster, Dr Joseph Black</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081808/animation-model-of-womble-shansi-c-1998</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087150/experimental-cathode-ray-tube</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614564/cylindrical-container-labelled-to-contain-hyoscyamus-tincture</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219295/three-compo-mouldings-mounted-on-wood</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/259/large_smg00067980.jpg</image:loc><image:title>Three compo mouldings, mounted on wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219361/one-circular-plano-convex-lens-4-dia</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8339585/control-box-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/118/large_smg00356804.jpg</image:loc><image:title>Control box for Newman Sinclair NS400 cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219130/plaster-mould-seated-woman-with-dog</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/261/large_smg00067982.jpg</image:loc><image:title>Plaster mould, seated woman with dog</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219057/plaster-cast-male-profile</loc><lastmod>2026-01-09T15:22:35.412Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/263/large_smg00068777.jpg</image:loc><image:title>Plaster cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219238/bust-of-boy</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/133/large_smg00067376.jpg</image:loc><image:title>Bust of boy</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219125/plaster-mould</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/220/large_smg00067919.jpg</image:loc><image:title>Plaster mould</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607217/the-picturesque-village-of-dunkar-spiti</loc><lastmod>2026-01-09T15:22:35.412Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345308/glass-phial-containing-traces-of-physostigmine</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219219/cast-of-nude-figures-with-terrestrial-globe</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081782/vinten-outside-broadcast-tripod</loc><lastmod>2026-01-09T15:22:35.412Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863792/sugar-jar</loc><lastmod>2026-01-09T15:22:34.765Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/127/large_smg00255885__0001_.jpg</image:loc><image:title>Sugar jar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087186/scan-convertor-tube</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863790/book-on-astrophysics-for-general-audiences-co-written-by-science-communicator-neil-degrasse-tyson-with-a-note-by-the-publisher</loc><lastmod>2026-01-09T15:22:35.168Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/669/large_smg00256361__0002_.jpg</image:loc><image:title>Book on astrophysics for general audiences co-written by science communicator Neil deGrasse Tyson, with a note by the publisher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218950/plaster-cast-profile-bust</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/192/large_smg00067877.jpg</image:loc><image:title>Plaster cast, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218970/plaster-mould-male-profile-bust</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/189/large_smg00066281.jpg</image:loc><image:title>Plaster mould, male profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219015/plaster-mould-homer</loc><lastmod>2026-01-09T15:22:35.412Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/259/large_smg00068094.jpg</image:loc><image:title>Plaster mould, Homer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087446/glass-specimen-jar-empty-english-1880-1940</loc><lastmod>2026-01-09T15:22:35.310Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614549/needles-wrapped-in-brown-paper</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8342362/square-bottle-for-dr-j-collis-brownes-chlorodyne-belonging-to-dr-grigor-nairn-scotland</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083463/lithographic-colour-advertisement</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219127/plaster-cast-of-venus</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/207/large_smg00067898.jpg</image:loc><image:title>Plaster cast of Venus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218916/plaster-cast-featuring-man</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/361/large_smg00068602.jpg</image:loc><image:title>Plaster cast featuring man</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219394/convexo-convex-lens</loc><lastmod>2026-01-09T15:22:36.553Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/448/large_1926_1075_0469__0003_.jpg</image:loc><image:title>Convexo convex lens</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/446/large_1926_1075_0469__0001_.jpg</image:loc><image:title>Convexo convex lens</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/449/large_1926_1075_0469__0004_.jpg</image:loc><image:title>Convexo convex lens</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/297/447/large_1926_1075_0469__0002_.jpg</image:loc><image:title>Convexo convex lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607184/peshawur-group-of-thugs</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91103/fenestrated-speculum</loc><lastmod>2026-01-09T15:22:36.553Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863729/framed-poster-from-bodybuilding-magazine-featuring-stephen-hawking-as-mr-universe</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078582/photoflux-photo-flash-bulb-size-24n</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/862/large_smg00353624.jpg</image:loc><image:title>&apos;Photoflux&apos; Photo-Flash Bulb Size 24N</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863829/manuscript-copy-of-john-wheelers-lecture-machs-principle-in-general-relativity</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/106/large_smg00256307__0003_.jpg</image:loc><image:title>Manuscript copy of John Wheeler&apos;s lecture Mach&apos;s principle in general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/104/large_smg00256307__0001_.jpg</image:loc><image:title>Manuscript copy of John Wheeler&apos;s lecture Mach&apos;s principle in general relativity</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/105/large_smg00256307__0002_.jpg</image:loc><image:title>Manuscript copy of John Wheeler&apos;s lecture Mach&apos;s principle in general relativity</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087167/experimental-electron-bombardment-tube</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345258/round-bottle-of-liquid-morphine</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611574/stencil</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/85/large_smg00244933.jpg</image:loc><image:title>Stencil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611516/electric-components</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/475/685/large_smg00244383.jpg</image:loc><image:title>Electric Components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863825/book-with-celebratory-biography-of-the-physics-philosopher-andre-mercier-in-french-published-on-his-70th-anniversary</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/113/large_smg00256310__0002_.jpg</image:loc><image:title>Book with celebratory biography of the physics philosopher Andre mercier (in French) published on his 70th anniversary</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/112/large_smg00256310__0001_.jpg</image:loc><image:title>Book with celebratory biography of the physics philosopher Andre mercier (in French) published on his 70th anniversary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863736/magazine-reading-stand</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/858/large_smg00255936__0003_.jpg</image:loc><image:title>Magazine reading stand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/856/large_smg00255936__0001_.jpg</image:loc><image:title>Magazine reading stand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/857/large_smg00255936__0002_.jpg</image:loc><image:title>Magazine reading stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219122/plaster-cast-venus</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/192/large_1926_1075_0215__0001_.jpg</image:loc><image:title>Plaster cast, Venus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/193/large_1926_1075_0215__0002_.jpg</image:loc><image:title>Plaster cast, Venus</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/22/194/large_1926_1075_0215__0003_.jpg</image:loc><image:title>Plaster cast, Venus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co94809/boots-improved-higginsons-enema-apparatus-with-rectal-and-vaginal-pipes</loc><lastmod>2026-01-09T15:22:35.879Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/724/large_smg00242083.jpg</image:loc><image:title>Boots Improved Higginson&apos;s enema apparatus with rectal and vaginal pipes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219269/white-stone-reproduction-of-rosette</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/244/large_smg00067961.jpg</image:loc><image:title>White stone reproduction of rosette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219097/plaster-cast-nude-figure-with-hourglass</loc><lastmod>2026-01-09T15:22:36.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/145/large_smg00067727.jpg</image:loc><image:title>Plaster cast, nude figure with hourglass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219051/cast-mould-hercules</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/264/large_smg00068778.jpg</image:loc><image:title>Cast mould, Hercules</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219220/cast-of-woman-reclining-holding-wreath-in-right-hand</loc><lastmod>2026-01-09T15:22:36.553Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219203/plaster-mould-diana-reclining-holding-bow-hound-and-tree-nearby</loc><lastmod>2026-01-09T15:22:37.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/436/219/large_smg00066329.jpg</image:loc><image:title>Plaster mould, Diana reclining, holding bow, hound and tree nearby</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/20/917/large_1926_1075_0297.jpg</image:loc><image:title>Plaster mould, Diana reclining, holding bow, hound and tree nearby</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081779/debrie-low-television-camera-pedestal</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863501/book-with-proceedings-of-solvay-conference-attended-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:37.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/638/large_smg00256156__0001_.jpg</image:loc><image:title>Book with proceedings of Solvay conference attended by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/639/large_smg00256156__0002_.jpg</image:loc><image:title>Book with proceedings of Solvay conference attended by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8087244/boxed-emiscope-television-camera-cathode-ray-tube</loc><lastmod>2026-01-09T15:22:37.487Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8865882/tea-towel-from-stephen-hawkings-office</loc><lastmod>2026-01-09T15:22:36.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/872/large_smg00255860__0001_.jpg</image:loc><image:title>Tea towel from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/873/large_smg00255860__0002_.jpg</image:loc><image:title>Tea towel from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/874/large_smg00255860__0003_.jpg</image:loc><image:title>Tea towel from Stephen Hawking&apos;s Office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/875/large_smg00255860__0004_.jpg</image:loc><image:title>Tea towel from Stephen Hawking&apos;s Office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611525/computer-circuit-board</loc><lastmod>2026-01-09T15:22:37.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/413/large_y1996_0010_1427__0002_.jpg</image:loc><image:title>Computer Circuit Board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/415/large_y1996_0010_1427__0003_.jpg</image:loc><image:title>Computer Circuit Board</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/412/large_y1996_0010_1427__0001_.jpg</image:loc><image:title>Computer Circuit Board</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611433/transistors</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/476/108/large_smg00244967.jpg</image:loc><image:title>Transistors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219172/compo-cast-woman-following-cupid-on-eagle</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/296/large_smg00068050.jpg</image:loc><image:title>Compo cast, woman following Cupid on eagle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863826/framed-photograph-of-stephen-hawking-on-his-wheelchair-in-cambridge-in-the-1980s</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/269/large_smg00256383__0001_.jpg</image:loc><image:title>Framed photograph of Stephen Hawking on his wheelchair in Cambridge in the 1980s</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863847/phd-thesis-by-hawkings-student-tim-clunan-titled-the-primordial-universe-instantons-the-ghost-spectrum-and-the-closed-universe-bispectrum</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/157/large_smg00256324__0003_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Tim Clunan, titled: The primordial universe: instantons, the ghost spectrum and the closed universe bispectrum</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/158/large_smg00256324__0004_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Tim Clunan, titled: The primordial universe: instantons, the ghost spectrum and the closed universe bispectrum</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/155/large_smg00256324__0001_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Tim Clunan, titled: The primordial universe: instantons, the ghost spectrum and the closed universe bispectrum</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/156/large_smg00256324__0002_.jpg</image:loc><image:title>PhD thesis by Hawking&apos;s student Tim Clunan, titled: The primordial universe: instantons, the ghost spectrum and the closed universe bispectrum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219139/plaster-mould-nude-female-figure</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/209/large_smg00067383.jpg</image:loc><image:title>Plaster mould, nude female figure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218945/lead-mould-profile-bust</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/372/large_smg00068613.jpg</image:loc><image:title>Lead mould, profile bust</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863591/book-with-early-english-translations-of-relativity-related-works-of-einstein-minkowksi-and-weyl</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/131/large_smg00256318__0002_.jpg</image:loc><image:title>Book with early English translations of relativity-related works of Einstein, Minkowksi and Weyl</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/130/large_smg00256318__0001_.jpg</image:loc><image:title>Book with early English translations of relativity-related works of Einstein, Minkowksi and Weyl</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863525/newsletter-from-research-institute-at-berkeley-university-from-2017</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/224/large_smg00256135__0001_.jpg</image:loc><image:title>Newsletter from research institute at Berkeley University, from 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/226/large_smg00256135__0003_.jpg</image:loc><image:title>Newsletter from research institute at Berkeley University, from 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/225/large_smg00256135__0002_.jpg</image:loc><image:title>Newsletter from research institute at Berkeley University, from 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218997/plaster-cast-male-profile</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/158/large_smg00067742.jpg</image:loc><image:title>Plaster cast, male profile</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8218971/plaster-mould-male-profile-bust</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219140/plaster-mould-hercules-and-numaean-lion</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/498/large_1926_1075_0233__0001_.jpg</image:loc><image:title>Plaster mould, Hercules and Numaean lion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/21/499/large_1926_1075_0233__0002_.jpg</image:loc><image:title>Plaster mould, Hercules and Numaean lion</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/135/large_smg00067391.jpg</image:loc><image:title>Plaster mould, Hercules and Numaean lion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8864235/angled-forceps-from-neurosurgical-instruments-bag</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219268/compo-in-the-form-of-a-rosette</loc><lastmod>2026-01-09T15:22:37.487Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/246/large_smg00067963.jpg</image:loc><image:title>Compo in the form of a rosette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219261/english-compo-in-the-form-of-rosette</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/56/large_smg00049396.jpg</image:loc><image:title>English compo in the form of rosette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345282/glass-jar-containing-strychnine-hydrochloride-powder</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219049/cast-profile-bust-of-caracalla-antoninus</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/301/268/large_smg00068783.jpg</image:loc><image:title>Cast, profile bust of Caracalla (Antoninus)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863737/coat-rack-from-stephen-hawkings-office</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/860/large_smg00255937__0002_.jpg</image:loc><image:title>Coat rack from Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/644/859/large_smg00255937__0001_.jpg</image:loc><image:title>Coat rack from Stephen Hawking&apos;s office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863497/book-with-proceedings-of-the-shelter-island-ii-conference-with-participation-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/318/large_smg00256158__0003_.jpg</image:loc><image:title>Book with proceedings of the Shelter Island II conference with participation by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/317/large_smg00256158__0002_.jpg</image:loc><image:title>Book with proceedings of the Shelter Island II conference with participation by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/661/316/large_smg00256158__0001_.jpg</image:loc><image:title>Book with proceedings of the Shelter Island II conference with participation by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8607207/moonshee-bagh-commissioners-boat</loc><lastmod>2026-01-09T15:22:37.475Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863973/photograph-showing-norman-stokes-with-televisor</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/713/80/large_1997_5325_3__0001_.jpg</image:loc><image:title>Photograph showing Norman Stokes with televisor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219303/compo-scroll-and-leaf-half-moon-shape</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/52/large_smg00049392.jpg</image:loc><image:title>Compo, scroll and leaf half-moon shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8863597/book-compilation-of-einsteins-scientific-works-edited-and-commented-by-stephen-hawking</loc><lastmod>2026-01-09T15:22:37.841Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/585/large_smg00256065__0001_.jpg</image:loc><image:title>Book: compilation of Einstein&apos;s scientific works edited and commented by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/586/large_smg00256065__0002_.jpg</image:loc><image:title>Book: compilation of Einstein&apos;s scientific works edited and commented by Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/698/470/large_2021_0561_0063__0001_.jpg</image:loc><image:title>Book: compilation of Einstein&apos;s scientific works edited and commented by Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8219285/reproduction-in-mahogany-of-acanthus-leaves</loc><lastmod>2026-01-09T15:22:37.905Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/300/243/large_smg00067960.jpg</image:loc><image:title>Reproduction in mahogany of acanthus leaves</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372463/mcvitie-weston-valve-collection-ediswan-valve-type-pv625a</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/227/large_smg00262614.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type P.V.625A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113845/shop-round-for-almond-essence</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372297/mcvitie-weston-valve-collection-bth-valve-type-b2</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/475/large_smg00262863.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372211/mcvitie-weston-valve-collection-bth-valve-type-bt5</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241026/hanimex-synchro-zoom-8mm-camera</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/594/large_smg00451518.jpg</image:loc><image:title>Hanimex Synchro Zoom 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97017/towel-forceps</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/755/large_smg00308260.jpg</image:loc><image:title>Towel forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628870/early-round-incandescent-lamp</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/123/large_smg00045523.jpg</image:loc><image:title>Early round incandescent lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98043/dental-elevator</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/950/large_smg00290168.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9022091/microphone-for-wireless-station-a510-c-1965</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372320/mcvitie-weston-valve-collection-movgec-valve-type-nr18</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/491/large_smg00262879.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type N.R.18</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97025/ivory-no-5</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/237/large_smg00296754.jpg</image:loc><image:title>Ivory No. 5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100323/2-boxes-of-sandpaper-polishing-discs</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/414/large_smg00296932.jpg</image:loc><image:title>2 boxes of sandpaper polishing discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092915/no2-rectilinear-lens</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/936/large_smg00453280.jpg</image:loc><image:title>No.2 rectilinear lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241098/dekko-95mm-cine-camera</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97209/dental-anaesthetic-syringe</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97741/heister-mouth-opener-unsigned</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/787/large_smg00308681.jpg</image:loc><image:title>Heister mouth opener unsigned</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372263/mcvitie-weston-valve-collection-gec-osram-valve-type-r4a</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/374/large_smg00313110.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type R.4A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092856/orthopanactinic-combination-lens-set</loc><lastmod>2026-01-09T15:22:38.757Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/154/large_smg00452167.jpg</image:loc><image:title>Orthopanactinic Combination Lens Set.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019503/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100168/enamel-chisel</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/842/large_smg00294784.jpg</image:loc><image:title>Enamel chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97651/packet-of-gingival-retraction-rings</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/915/large_smg00294417.jpg</image:loc><image:title>Packet of gingival retraction rings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100157/box-of-100-2-xylocaine-and-adrenaline-local-anaesthetic-injection-cartridges</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092668/triplet-lens</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/21/large_smg00452213.jpg</image:loc><image:title>triplet lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372443/mcvitie-weston-valve-collection-bth-valve-type-b4</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/514/large_smg00263592.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241169/pathescope-h-95mm-camera</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/89/smg00451145.jpg</image:loc><image:title>Pathescope H 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113801/shop-round-for-rhubarb-powder</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8361007/tinted-cartes-de-visites-of-royal-family-in-leather-case</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372019/mcvitie-weston-valve-collection-osram-valve-type-d41</loc><lastmod>2026-01-09T15:22:38.817Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/67/large_smg00261218.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97745/lidded-pot-brown-glass-europe-1930-1965</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/180/large_smg00304498.jpg</image:loc><image:title>Lidded pot, brown glass, Europe, 1930-1965</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372030/mcvitie-weston-valve-collection-tungsram-valve-type-d418</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/80/large_smg00261231.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type D418</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96950/dental-forceps</loc><lastmod>2026-01-09T15:22:39.066Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/437/large_smg00289746.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372232/mcvitie-weston-valve-collection-audion-amplifier-valve</loc><lastmod>2026-01-09T15:22:39.257Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/388/large_smg00313125.jpg</image:loc><image:title>McVitie Weston valve collection, Audion Amplifier valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97128/dental-chisel</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/769/large_smg00294073.jpg</image:loc><image:title>Dental chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019478/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093040/avo-exposure-meter</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/479/large_smg00453269.jpg</image:loc><image:title>AVO Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97752/glass-mixing-slab</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/181/large_smg00304499.jpg</image:loc><image:title>Glass mixing slab</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364278/egyptian-woman-with-a-water-jug</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97678/plastic-box-of-centerlok-handpiece-inserted-screw-crown-posts</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/214/large_smg00307983.jpg</image:loc><image:title>Plastic box of &quot;Centerlok&quot; handpiece-inserted screw crown posts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98078/bottle-of-endomethasone-root-canal-sealer</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co95200/sterilised-umbilical-pad-in-paper-packet-by-carus-of-darwen</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/862/large_smg00241229.jpg</image:loc><image:title>Sterilised umbilical pad in paper packet by Carus of Darwen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092757/bausch-and-lomb-rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/148/large_smg00452133.jpg</image:loc><image:title>Bausch &amp; Lomb Rapid Rectilinear Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362040/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/589/large_smg00262978.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96999/tissue-forceps</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/782/large_smg00294086.jpg</image:loc><image:title>Tissue forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372415/mcvitie-weston-valve-collection-marconi-osram-valve-type-de5b</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/574/large_smg00262963.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi Osram valve, type D.E.5.B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113927/shop-round-for-liquor-of-dandelion</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100328/box-of-perfection-linen-polishing-strips</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/419/large_smg00296937.jpg</image:loc><image:title>Box of &quot;Perfection&quot; linen polishing strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092759/adon-telephoto-lens</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/341/large_smg00453071.jpg</image:loc><image:title>ADON telephoto lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362198/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/877/large_smg00259676.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100044/shade-guide-for-nhi-acrylic-teeth</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/906/large_smg00305881.jpg</image:loc><image:title>Shade guide for &quot;NHI&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240973/anon-16mm-projector</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372351/mcvitie-weston-valve-collection-mullard-valve-type-hf</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/521/large_smg00262910.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type HF</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372412/mcvitie-weston-valve-collection-osram-valve-type-de2lf</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/596/large_smg00262985.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D.E.2.L.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96484/packet-of-combined-contraceptive-pills</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/456/large_smg00242380.jpg</image:loc><image:title>Packet of combined contraceptive pills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97486/dental-elevator-no302-left-flohr-apical</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372398/mcvitie-weston-valve-collection-ediswan-valve-type-ar-3</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/581/large_smg00262970.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AR-3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372394/mcvitie-weston-valve-collection-bth-valve-type-ar</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/576/large_smg00262965.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type A.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96861/amalgam-carrier</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97677/two-plastic-boxes-of-screw-crown-posts</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/213/large_smg00307982.jpg</image:loc><image:title>Two plastic boxes of screw crown posts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362135/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/635/large_smg00257764.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241454/delrama-viewfinder</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092598/anamorphic-survey-lens-f55-6-inch-fl</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/417/large_smg00453383.jpg</image:loc><image:title>Anamorphic Survey Lens F.5.5 6 inch f.l</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241065/sunscope-turret-8-8mm-camera</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/577/large_smg00451476.jpg</image:loc><image:title>Sunscope Turret 8 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372405/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-deq</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/571/large_smg00262960.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Round valve, type DEQ</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100129/tube-of-barbed-nerve-canal-broaches</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/879/large_smg00294821.jpg</image:loc><image:title>Tube of barbed nerve canal broaches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092800/aldis-anastigmat-lens-c-1939</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/178/large_smg00452390.jpg</image:loc><image:title>Aldis Anastigmat lens, c 1939</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092670/anastigmat-lens</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092854/petzval-portrait-type-doublet-lens-f4</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/207/large_smg00452561.jpg</image:loc><image:title>Petzval portrait type doublet lens F.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97285/nasal-speculum</loc><lastmod>2026-01-09T15:22:40.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/792/large_smg00308686.jpg</image:loc><image:title>Nasal speculum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240902/pathe-duplex-95mm-cine-projector</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102222/dental-plastics-instrument</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/996/large_smg00295006.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627777/impregnated-breccia-20-lead-and-3645-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/429/large_smg00080247.jpg</image:loc><image:title>Impregnated breccia, 20% lead and 36.45 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97951/2-mc-calls-scalers</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/603/large_smg00304545.jpg</image:loc><image:title>2 Mc Call&apos;s scalers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98046/cement-spatula</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8634084/air-speed-indicator-kelvin</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/341/236/large_smg00074712.jpg</image:loc><image:title>Air speed indicator (Kelvin)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100149/sterile-dressings-container</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102189/speed-increasing-slip-joint</loc><lastmod>2026-01-09T15:22:40.674Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/366/large_smg00305129.jpg</image:loc><image:title>Speed increasing slip joint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97489/dental-forceps-no33-12-for-lower-roots</loc><lastmod>2026-01-09T15:22:40.565Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240950/cine-max-k6-8-and-super-8-automatic-projector</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/889/large_smg00451384.jpg</image:loc><image:title>Cine Max K6 8 and Super 8 automatic projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372447/mcvitie-weston-valve-collection-bth-valve-type-b5h</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/518/large_smg00263596.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.5.H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092811/projection-lens</loc><lastmod>2026-01-09T15:22:41.014Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/604/large_smg00452138.jpg</image:loc><image:title>Projection Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97171/dental-tweezers</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372428/mcvitie-weston-valve-collection-osram-valve-type-h2</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/496/large_smg00263573.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type H2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092656/wide-angle-rectilinear-lens</loc><lastmod>2026-01-09T15:22:42.377Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/376/smg00453202.jpg</image:loc><image:title>wide angle Rectilinear lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97647/dental-forceps</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/22/large_smg00290480.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372065/mcvitie-weston-valve-collection-mazda-valve-type-u60500</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/100/large_smg00261260.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U60/500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092594/brass-mounted-cooke-triplet-lens</loc><lastmod>2026-01-09T15:22:42.377Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/746/large_smg00452177.jpg</image:loc><image:title>Brass Mounted Cooke Triplet Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97009/bastard-file</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/848/large_smg00294158.jpg</image:loc><image:title>Bastard file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100051/shade-guide-for-crylodent-acrylic-teeth</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/904/large_smg00305879.jpg</image:loc><image:title>Shade guide for &quot;Crylodent&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092795/double-anastigmat-lens-and-pneumatic-diaphragm-shutter</loc><lastmod>2026-01-09T15:22:42.597Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/770/large_smg00453227.jpg</image:loc><image:title>Double Anastigmat Lens and Pneumatic Diaphragm Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362165/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/729/large_smg00259498.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241329/sankyo-super-cm-super-8-camera</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/936/large_smg00359262.jpg</image:loc><image:title>Sankyo Super-CM Super 8 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241260/kodascope-8-projector-model-80-with-resistance</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241051/sekonic-dualmatic-50-8mm-camera</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/465/large_smg00451466.jpg</image:loc><image:title>Sekonic Dualmatic-50 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8232572/tube-of-avalon-brand-penicillin-in-carton</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/508/804/large_smg00282926.jpg</image:loc><image:title>Tube of &apos;Avalon&apos; brand penicillin in carton</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/351/large_1981_1717_0053__0002_.jpg</image:loc><image:title>Tube of &apos;Avalon&apos; brand penicillin in carton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8233510/projections-animees-praxinoscope-trade-card</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092571/anastigmat-lens</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/782/large_smg00453116.jpg</image:loc><image:title>Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96945/dental-forceps</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/18/large_smg00290476.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092900/no1-mutac-soft-focus-lens</loc><lastmod>2026-01-09T15:22:42.377Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/221/smg00452578.jpg</image:loc><image:title>No.1 Mutac Soft Focus Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372086/mcvitie-weston-valve-collection-ediswan-valve-type-es14</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/301/large_smg00313033.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type ES14</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100211/doriot-straight-handpiece</loc><lastmod>2026-01-09T15:22:42.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/173/large_smg00304389.jpg</image:loc><image:title>Doriot straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372305/mcvitie-weston-valve-collection-cossor-valve-type-r7x</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/482/large_smg00262870.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type R.7X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97484/dental-forceps</loc><lastmod>2026-01-09T15:22:42.125Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96996/ethyl-chloride-spray-bottle</loc><lastmod>2026-01-09T15:22:42.377Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100188/collier-type-dental-x-ray-film-holder</loc><lastmod>2026-01-09T15:22:42.597Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/548/large_smg00313475.jpg</image:loc><image:title>Collier-type dental X-ray film holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093031/the-sixti-photo-electric-exposure-meter-and-case</loc><lastmod>2026-01-09T15:22:42.597Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/195/large_smg00453233.jpg</image:loc><image:title>The Sixti Photo-electric Exposure Meter and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100041/shade-guide-for-anatoform-preceptor-porcelain-teeth</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/911/large_smg00305886.jpg</image:loc><image:title>Shade guide for Anatoform &quot;Preceptor&quot; porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97961/3-dental-probes</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/629/large_smg00308229.jpg</image:loc><image:title>3 Dental probes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102175/local-anaesthetic-mixing-thimble-stand</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/835/large_1980_1358_0156__0001_.jpg</image:loc><image:title>Local anaesthetic mixing thimble stand</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/837/large_1980_1358_0156__0002_.jpg</image:loc><image:title>Local anaesthetic mixing thimble stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113909/shop-round-for-nose-dentifrice</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96876/bottle-of-temporary-dental-cement</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362046/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/598/large_smg00262987.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100462/boxed-bottle-of-sevitron-simplified-acrylic-cement-powder</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/920/large_smg00294871.jpg</image:loc><image:title>Boxed bottle of &quot;Sevitron Simplified&quot; acrylic cement powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241326/kodak-instamatic-m80-l-projector</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/903/large_smg00451834.jpg</image:loc><image:title>Kodak Instamatic M80-L projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97958/dental-excavator</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/823/large_smg00294764.jpg</image:loc><image:title>Dental excavator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372075/mcvitie-weston-valve-collection-mazda-valve-type-ud41</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/110/large_smg00261270.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type UD41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614685/paper-document-with-title-tabloid-medicine-case-for-sledge-service-synopsis-of-history</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240915/mickey-mouse-alef-95mm-toy-projector</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092784/cooke-type-triplet-lens-f45-170mm-mounted-in-a-pneumatic-diaphragm-shutter</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/785/large_smg00453297.jpg</image:loc><image:title>Cooke type Triplet lens F.4.5 170mm mounted in a pneumatic diaphragm shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8238446/green-glass-bottle-from-veterinary-medicine-chest</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240953/peterson-magnetic-tape-recorder</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/890/large_smg00451390.jpg</image:loc><image:title>Peterson Magnetic Tape Recorder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092791/dallmeyer-stigmatic-lens-no-2-series-11</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/793/large_smg00453131.jpg</image:loc><image:title>Dallmeyer Stigmatic Lens No. 2 Series 11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97220/lidded-dental-instrument-tray</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102177/local-anaesthetic-mixing-thimble</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/423/large_smg00305190.jpg</image:loc><image:title>Local anaesthetic mixing thimble</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372426/mcvitie-weston-valve-collection-marconi-valve-type-l610</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/494/large_smg00263571.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type L610</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96487/brevinor-contraceptive-pills</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/458/large_smg00242382.jpg</image:loc><image:title>&apos;Brevinor&apos; Contraceptive Pills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362065/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/534/large_smg00263612.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372050/mcvitie-weston-valve-collection-osram-valve-type-u12</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/27/large_smg00261127.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97534/boxed-tube-of-casco-pulp-canal-cleaners</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/911/large_smg00294854.jpg</image:loc><image:title>Boxed tube of &quot;Casco&quot; pulp canal cleaners</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97140/tin-with-nozzle</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/360/large_smg00305121.jpg</image:loc><image:title>Tin, with nozzle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8360621/two-black-metal-quarter-circle-shaped-metal-parts</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/341/244/large_smg00074731.jpg</image:loc><image:title>Two black metal quarter-circle shaped metal parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113771/shop-round-for-eucalyptus-pastilles</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372300/mcvitie-weston-valve-collection-mullard-valve-type-r7</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/478/large_smg00262866.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type R7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092630/zeiss-convertible-anastigmat-lens</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/744/large_smg00452175.jpg</image:loc><image:title>Zeiss Convertible Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092762/no6-biplanat-f56</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/392/large_smg00453315.jpg</image:loc><image:title>No.6 Biplanat F.5.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362211/valve-from-the-mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100038/shade-guide-for-eve-testa-acrylic-teeth</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/909/large_smg00305884.jpg</image:loc><image:title>Shade guide for &quot;Eve Testa&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092608/brass-mounted-rapid-rectilinear-lens-f8-92-inch-made-to-cover-negatives-8-x-5-inch-with-a-ring-iris-diaphragm</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/745/smg00453102.jpg</image:loc><image:title>Brass mounted rapid rectilinear lens F.8 9.2 inch made to cover negatives 8 x 5 inch with a ring iris diaphragm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362237/fleming-oscillation-valve</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/49/large_smg00261149.jpg</image:loc><image:title>Fleming Oscillation Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241122/ditmar-16mm-camera</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/106/large_smg00451351.jpg</image:loc><image:title>Ditmar 16mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96828/dental-descaler</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97170/tube-of-sensodyne-toothpaste</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/513/large_smg00293382.jpg</image:loc><image:title>Tube of Sensodyne toothpaste</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627772/cerussite-containing-68-per-cent-lead-and-199264-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/434/large_smg00080252.jpg</image:loc><image:title>Cerussite containing 68 per cent. lead and 1,992.64 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241029/gb-b-and-h-8mm-camera-model-624</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/597/large_smg00451521.jpg</image:loc><image:title>GB B &amp; H 8mm camera Model 624</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372116/mcvitie-weston-valve-collection-cossor-valve-type-408bu</loc><lastmod>2026-01-09T15:22:44.060Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/140/large_smg00261302.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 408BU</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372449/mcvitie-weston-valve-collection-bth-valve-type-b7</loc><lastmod>2026-01-09T15:22:43.857Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/520/large_smg00263598.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241466/pathescope-junior-8mm-film-mender</loc><lastmod>2026-01-09T15:22:44.061Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97065/dental-elevator</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/916/large_smg00290134.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092867/no1-symmetrical-wide-angle-lens-f11-3-inch-fl-with-wheel-stops-ross</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/393/smg00453317.jpg</image:loc><image:title>No.1 symmetrical wide-angle lens F.11 3 inch f.l. with Wheel stops. Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100125/box-of-pulpadent-root-fillers</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/875/large_smg00294817.jpg</image:loc><image:title>Box of Pulpadent root fillers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98090/two-boxes-of-gutta-percha-nerve-canal-points</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/928/large_smg00294923.jpg</image:loc><image:title>Two boxes of gutta percha nerve canal points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372056/mcvitie-weston-valve-collection-osram-valve-type-mu14</loc><lastmod>2026-01-09T15:22:44.130Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/30/large_smg00261130.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MU14</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362041/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/588/large_smg00262977.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100317/box-of-alpine-mounted-green-abrasive</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/408/large_smg00296926.jpg</image:loc><image:title>Box of &quot;alpine&quot; mounted green abrasive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362070/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/298/large_smg00262685.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372031/mcvitie-weston-valve-collection-tungsram-valve-type-dd4</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/81/large_smg00261232.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type DD4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092913/luminor-foyer-anastigmat-lens</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/752/large_smg00453135.jpg</image:loc><image:title>Luminor-Foyer Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98085/bottle-of-dental-silver-powder</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372248/mcvitie-weston-valve-collection-gec-osram-valve-type-r2a</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/362/large_smg00313098.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type R.2A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362118/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/934/large_smg00259341.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372049/mcvitie-weston-valve-collection-marconi-valve-type-u12</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/26/large_smg00261126.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type U12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241041/eumig-c3-8mm-camera</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/126/large_smg00451457.jpg</image:loc><image:title>Eumig C3 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240977/gioca-cine-royal-super-8-projector</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/117/large_smg00451394.jpg</image:loc><image:title>Gioca Cine Royal Super 8 projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97294/double-ended-carver</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/27/large_smg00295037.jpg</image:loc><image:title>Double ended carver</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241004/projector-stand</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9020548/tandberg-disc-unit</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97069/bottle-of-p-chlorophenol-2-solution</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97730/rubber-dam-holder</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/956/large_smg00294965.jpg</image:loc><image:title>Rubber dam holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362117/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/933/large_smg00259340.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98062/cement-spatula</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/201/large_smg00296718.jpg</image:loc><image:title>Cement spatula</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113912/shop-round-containing-brown-liquid</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362145/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/669/large_smg00257798.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241101/ditmar-95mm-cine-camera</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/562/large_smg00451314.jpg</image:loc><image:title>Ditmar 9.5mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97215/dental-file</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/333/large_smg00296850.jpg</image:loc><image:title>Dental file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97055/dental-elevator</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/909/large_smg00290127.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092616/symmetrical-lens</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/26/large_smg00452223.jpg</image:loc><image:title>Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372344/mcvitie-weston-valve-collection-mullard-ora-valve</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/513/large_smg00262902.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard ORA valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240937/keystone-belmont-k161-16mm-projector</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8234004/small-galvanometer</loc><lastmod>2026-01-09T15:22:45.661Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/51/187/large_1889_0038_0002__0002_.jpg</image:loc><image:title>Small galvanometer.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/51/186/large_1889_0038_0002__0001_.jpg</image:loc><image:title>Small galvanometer.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/453/large_smg00083012.jpg</image:loc><image:title>Small galvanometer.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092640/symmetrical-lens</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/15/large_smg00452206.jpg</image:loc><image:title>Symmetrical lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97750/syringe-sterilizer</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98084/empty-bottle-for-duragem-68-dental-alloy</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627776/ferruginous-gossan-24-lead-and-11245-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/420/large_smg00080238.jpg</image:loc><image:title>Ferruginous gossan, 24% lead, and 112.45 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100177/anaesthetic-syringe</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113847/shop-round-for-chloric-eter</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372038/mcvitie-weston-valve-collection-ediswan-valve-type-u3</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/395/large_smg00313133.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type U3</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/843/large_smg00313133.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type U3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362087/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.518Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/286/large_smg00262673.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97107/straight-disc-shield</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/369/large_smg00305132.jpg</image:loc><image:title>Straight disc shield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98089/boxed-bottles-of-ash-calcium-hydroxide-cavity-lining</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372401/mcvitie-weston-valve-collection-movgec-valve-type-vr12b</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/585/large_smg00262974.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type V.R.12.B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97126/dental-elevator</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/948/large_smg00290166.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372468/mcvitie-weston-valve-collection-ediswan-experimental-valve-type-ll525</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/232/large_smg00262619.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan experimental valve, type LL525</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362031/general-electric-ca101-pilotron-triode-mcvitie-weston-valve-collection-1918</loc><lastmod>2026-01-09T15:22:45.418Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/61/452/large_1972_0141_0274__0002_.jpg</image:loc><image:title>General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/61/451/large_1972_0141_0274__0001_.jpg</image:loc><image:title>General Electric CA101 Pilotron triode (McVitie Weston valve collection), 1918</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372247/mcvitie-weston-valve-collection-gec-osram-valve-type-r2</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/361/large_smg00313097.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type R2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627778/coppery-gossan-20-lead-and-39973-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/421/large_smg00080239.jpg</image:loc><image:title>Coppery gossan, 20% lead and 399.73 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362079/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/327/large_smg00262714.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241085/pathescope-h-95mm-camera</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/341/large_smg00451298.jpg</image:loc><image:title>Pathescope H 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98026/poison-bottle-of-silver-nitrate-solution</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372406/mcvitie-weston-valve-collection-marconi-valve-type-deq</loc><lastmod>2026-01-09T15:22:45.876Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/580/large_smg00262969.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type DEQ</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8618406/steel-flange-box-lined-with-1-thick-magnesia</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/716/large_smg00276319.jpg</image:loc><image:title>Steel Flange Box lined with 1&quot; thick Magnesia</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100037/shade-guide-for-astralit-acrylic-teeth</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/236/590/large_1980_1358__0391_.jpg</image:loc><image:title>Shade guide for &quot;Astralit&quot; acrylic teeth</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/914/large_smg00305889.jpg</image:loc><image:title>Shade guide for &quot;Astralit&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372120/mcvitie-weston-valve-collection-cossor-valve-type-624bu</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/146/large_smg00261308.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 624BU</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241102/b-and-h-filmo-double-eight-camera</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/563/large_smg00451319.jpg</image:loc><image:title>B &amp; H Filmo Double Eight camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362244/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/678/large_smg00263067.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/735/large_smg00263067.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96677/greenhalghs-ovum-forceps</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/382/646/large_smg00053954.jpg</image:loc><image:title>Greenhalgh&apos;s ovum forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100193/box-of-round-plain-cut-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/139/large_smg00304354.jpg</image:loc><image:title>Box of round plain cut burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372027/mcvitie-weston-valve-collection-mullard-valve-type-eab1</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/76/large_smg00261227.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type EAB1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97180/fergusson-mouth-gag-with-ackland-jaws</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/825/large_1980_1390_0023__0002_.jpg</image:loc><image:title>Fergusson mouth gag with Ackland jaws</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/823/large_1980_1390_0023__0001_.jpg</image:loc><image:title>Fergusson mouth gag with Ackland jaws</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/419/large_smg00305186.jpg</image:loc><image:title>Fergusson mouth gag with Ackland jaws</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092765/dallmeyer-dallon-telephoto-lens-f56-10-inch-fl-in-a-rigid-mount-with-a-ring-typr-iris-diaphragm</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/67/large_smg00452122.jpg</image:loc><image:title>Dallmeyer &apos;Dallon&apos; telephoto lens F.5.6 10 inch f.l in a rigid mount with a ring typr iris diaphragm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97039/tube-of-pin-hole-centre-polishing-discs</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/401/large_smg00296918.jpg</image:loc><image:title>Tube of pin hole centre polishing discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co489123/foot-operated-switch-type-ofl-vg-s3-made-by-jiden-of-osaka</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/503/large_smg00457795.jpg</image:loc><image:title>Foot operated switch type OFL-VG-S3 made by Jiden of Osaka</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97517/box-of-pin-hole-centre-polishing-discs</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/405/large_smg00296923.jpg</image:loc><image:title>Box of pin-hole centre polishing discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093091/pathe-h-cine-camera-uses-95m-film-in-daylight-loading-chargers-holding-30ft-of-film</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/676/large_smg00452659.jpg</image:loc><image:title>Pathe H cine camera uses 9.5m film in daylight loading chargers holding 30ft of film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362178/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/759/large_smg00259557.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100456/selection-of-barnes-anchor-bands-in-display-case-by-the-blue-island-s-pecialty-co</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/165/large_smg00307528.jpg</image:loc><image:title>Selection of Barnes anchor bands in display case by the Blue Island -S pecialty Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96821/dental-descaler</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113926/shop-round-for-oil-of-bitter-almonds</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372053/mcvitie-weston-valve-collection-osram-valve-type-u14</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/89/large_smg00261240.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U14</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627764/galena-and-wall</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/431/large_smg00080249.jpg</image:loc><image:title>Galena and wall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98024/poison-bottle-of-pure-ethanol</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241282/astor-junior-toy-95mm-projector</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241463/boots-film-splicer</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241456/pathescope-ace-continuous-projection-attachment</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96889/neo-protosil-silver-iodide-colloid</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96833/dental-probe</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97032/boxed-bottle-of-carbol-eugenol-s-temporary-cement-powder</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362088/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/389/large_smg00262776.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97641/vajna-elevator</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/953/large_smg00290171.jpg</image:loc><image:title>Vajna elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241435/4-track-stereo-tape-recorderplayer</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241206/ensign-popular-95mm-film-splicer-c-1930</loc><lastmod>2026-01-09T15:22:47.173Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/684/large_smg00451302.jpg</image:loc><image:title>Ensign Popular 9.5mm film splicer, c 1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362273/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/775/large_smg00259573.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372312/mcvitie-weston-valve-collection-movgec-valve-type-r10x</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/384/large_smg00313121.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type R.10X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97057/clinic-left-apical-exolever</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/910/large_smg00290128.jpg</image:loc><image:title>&quot;Clinic&quot; left apical exolever</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97525/box-for-12-books-of-dextex-articulating-paper</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/904/large_smg00294216.jpg</image:loc><image:title>Box for 12 books of &quot;Dextex&quot; articulating paper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093012/wynee-infallible-exposure-meter</loc><lastmod>2026-01-09T15:22:47.362Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/819/large_smg00453370.jpg</image:loc><image:title>Wynee Infallible Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98063/dental-contouring-instrument</loc><lastmod>2026-01-09T15:22:47.583Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/25/large_smg00295035.jpg</image:loc><image:title>Dental contouring instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102203/dental-cutting-instrument</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/854/large_smg00294796.jpg</image:loc><image:title>Dental cutting instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372159/mcvitie-weston-valve-collection-vateo-valve-type-re-425</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/175/large_smg00261338.jpg</image:loc><image:title>McVitie Weston valve collection, Vateo valve, type Re 425</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96933/partial-lower-denture</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/187/large_smg00306974.jpg</image:loc><image:title>Partial lower denture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98075/boxed-bottle-of-kalzinol-zinc-oxide-eugenol</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98088/bottle-of-kri-1-iodoform-paste</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97703/four-rubber-dam-cervic-clamps</loc><lastmod>2026-01-09T15:22:47.694Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/220/large_smg00296737.jpg</image:loc><image:title>Four rubber dam cervic clamps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100052/box-of-cement-tube-applicators</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/337/large_smg00296854.jpg</image:loc><image:title>Box of cement-tube applicators</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093099/biunial-magic-lantern</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/125/large_smg00454882.jpg</image:loc><image:title>Biunial magic lantern</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372024/mcvitie-weston-valve-collection-mullard-valve-type-2d4a</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/73/large_smg00261224.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 2D4A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102311/box-containing-5-tubes-for-gutta-percha-nerve-canal-points</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/918/large_smg00294868.jpg</image:loc><image:title>Box containing 5 tubes for gutta percha nerve canal points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97256/youngs-adjustable-perforators</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97588/shade-guide-for-sr-vivodent-pe-acrylic-teeth-in-plastic-envelope-with-instructions</loc><lastmod>2026-01-09T15:22:49.276Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372391/mcvitie-weston-valve-collection-movgec-valve-type-ar</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/570/large_smg00262959.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627761/galena-containing-75-lead-and-115182-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/417/large_smg00080235.jpg</image:loc><image:title>Galena containing 75% lead and 1,151.82 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362218/fleming-oscillation-valve</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/58/large_smg00261158.jpg</image:loc><image:title>Fleming Oscillation Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372399/mcvitie-weston-valve-collection-movgec-valve-type-ar3</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/582/large_smg00262971.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.R.3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100029/shade-guide-for-anatoform-vf-porcelain-teeth</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/920/large_smg00305895.jpg</image:loc><image:title>Shade guide for Anatoform VF porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372016/mcvitie-weston-valve-collection-mazda-valve-type-v914</loc><lastmod>2026-01-09T15:22:49.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/64/large_smg00261215.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type V914</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372448/mcvitie-weston-valve-collection-bth-valve-type-b6</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/519/large_smg00263597.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97736/excavator-hone</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/785/large_smg00308679.jpg</image:loc><image:title>Excavator hone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372285/mcvitie-weston-valve-collection-ediswan-valve-type-r</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/464/large_smg00262851.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372046/mcvitie-weston-valve-collection-m-o-valve-co-limited-valve-type-u9</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/85/large_smg00261236.jpg</image:loc><image:title>McVitie Weston valve collection, M-O Valve Co. Limited valve, type U9</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100164/dental-cautery</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/535/large_smg00313461.jpg</image:loc><image:title>Dental cautery</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372231/mcvitie-weston-valve-collection-american-brand-audion-amplifier-valve</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/306/large_smg00313041.jpg</image:loc><image:title>McVitie Weston valve collection,  &apos;American&apos; brand Audion Amplifier valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co112123/glass-bottle-of-tabloid-dover-powder-tablets</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092611/cooke-primoplane-lens</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/353/large_smg00453088.jpg</image:loc><image:title>Cooke Primoplane Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98033/bottle-of-iodoforme-powder</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372181/mcvitie-weston-valve-collection-ediswan-valve-type-esu75</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241205/pathescope-imp-95mm-projector</loc><lastmod>2026-01-09T15:22:49.276Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/875/large_smg00451160.jpg</image:loc><image:title>Pathescope IMP 9.5mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100167/enamel-chisel</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/843/large_smg00294785.jpg</image:loc><image:title>Enamel chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100032/shade-guide-for-ideal-dencoform-porcelain-teeth</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/916/large_smg00305891.jpg</image:loc><image:title>Shade guide for &quot;Ideal Dencoform&quot; porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627770/mixed-ore-containing-70-per-cent-lead-and-90882-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/435/large_smg00080253.jpg</image:loc><image:title>Mixed ore containing 70 per cent. lead and 908.82 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092664/rapid-rectilinear-lens</loc><lastmod>2026-01-09T15:22:48.847Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/726/large_smg00452013.jpg</image:loc><image:title>Rapid Rectilinear lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102195/bottle-of-de-treys-special-varnish</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/480/large_smg00313312.jpg</image:loc><image:title>Bottle of de Trey&apos;s special varnish</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co112787/bottle-for-drug-no-z98-with-painted-inscription</loc><lastmod>2026-01-09T15:22:49.073Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/424/392/large_smg00201605.jpg</image:loc><image:title>Bottle for drug No. Z98, with painted inscription</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co95201/packet-of-safety-pins-by-robinson-and-sons-ltd</loc><lastmod>2026-01-09T15:22:49.120Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/859/large_smg00241105.jpg</image:loc><image:title>Packet of safety pins by Robinson and Sons Ltd.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113861/shop-round-for-essence-of-musk</loc><lastmod>2026-01-09T15:22:49.276Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97003/double-ended-spoon-curette</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/764/large_smg00294068.jpg</image:loc><image:title>Double ended spoon curette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97697/apis-matrix-retainer</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/260/large_smg00296777.jpg</image:loc><image:title>&quot;Apis&quot; matrix retainer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241131/b-and-h-autoload-8mm-cine-camera</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96834/dental-probe</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241171/b-and-h-filmo-16mm-projector-model-57</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372255/mcvitie-weston-valve-collection-rca-radiotron-valve-type-uv200</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96479/predictor-home-pregnancy-test-kit</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/376/347/large_smg00053702.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/314/large_1986_1248_0604__0001_.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/316/large_1986_1248_0604__0004_.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/315/large_1986_1248_0604__0002_.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/318/large_1986_1248_0604__0005_.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/317/large_1986_1248_0604__0003_.jpg</image:loc><image:title>&quot;Predictor&quot; home pregnancy test kit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372151/mcvitie-weston-valve-collection-tungsram-valve-type-v2018</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/168/large_smg00261331.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type V2018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092609/brass-mounted-rapid-rectilinear-lens-f11-412-inch-fl-to-cover-negatives-3-14-x-4-14-with-a-ring-iris-diaphragm</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/762/large_smg00453207.jpg</image:loc><image:title>Brass mounted rapid rectilinear lens F.11 4.12 inch f.l to cover negatives 3 1/4 x 4 1/4 with a ring iris diaphragm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362092/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/941/large_smg00259740.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092917/cooke-anastigmat-lens</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/797/large_smg00453576.jpg</image:loc><image:title>Cooke Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98048/dental-plastics-instrument</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/40/large_smg00295050.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97018/towel-forceps</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/756/large_smg00308261.jpg</image:loc><image:title>Towel forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97112/borden-type-air-turbine-drill-unit</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97005/cement-spatula</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/196/large_smg00296713.jpg</image:loc><image:title>Cement spatula</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96962/jennings-plugging-mallet</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/596/large_smg00294256.jpg</image:loc><image:title>Jennings plugging mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97493/dental-forceps</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092942/compur-dial-set-shutter</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/741/large_smg00452172.jpg</image:loc><image:title>Compur Dial Set Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97652/packet-of-optima-gingival-retraction-rings</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/916/large_smg00294418.jpg</image:loc><image:title>Packet of &quot;Optima&quot; gingival retraction rings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96970/2-copper-amalgam-spoons</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97229/dental-handpiece-for-no2-slipjoint</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225452/the-creature</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/147/611/a002278a.jpg</image:loc><image:title>The Creature</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96981/dental-forceps</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/12/large_smg00290470.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97516/box-of-metal-centre-polishing-discs</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/404/large_smg00296922.jpg</image:loc><image:title>Box of metal centre polishing discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372337/mcvitie-weston-valve-collection-marconi-valve-type-ls1</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/343/large_smg00313079.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type L.S.1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/832/large_smg00313079.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type L.S.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97228/left-and-right-fluorescent-x-ray-film-indicator-buttons</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97510/straight-handpiece</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372218/mcvitie-weston-valve-collection-ediswan-valve-type-heac1</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/448/large_smg00262835.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type H.E./A.C.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240900/elmo-95mm-projector-with-transformer</loc><lastmod>2026-01-09T15:22:50.679Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241177/pathe-motocamera-95mm-camera</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/86/smg00451141.jpg</image:loc><image:title>Pathe Motocamera 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102232/pots-for-concise-composite-filling-cement</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100162/engine-driven-automatic-mallet</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/942/large_smg00290160.jpg</image:loc><image:title>Engine driven automatic mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372060/mcvitie-weston-valve-collection-osram-valve-type-u16</loc><lastmod>2026-01-09T15:22:50.490Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/93/large_smg00261244.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U16</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240959/eumig-p26-8mm-silent-cine-projector</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/893/large_smg00451402.jpg</image:loc><image:title>Eumig P26 8mm silent cine projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372240/mcvitie-weston-valve-collection-lieben-reisz-relay-valve</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/345/large_smg00313081.jpg</image:loc><image:title>McVitie Weston valve collection, Lieben-Reisz Relay valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/834/large_smg00313081.jpg</image:loc><image:title>McVitie Weston valve collection, Lieben-Reisz Relay valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113937/shop-round-for-citric-acid</loc><lastmod>2026-01-09T15:22:50.917Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97497/dental-forceps-for-upper-left-molars</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093124/kinora-cine-hand-viewer</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/69/large_smg00452446.jpg</image:loc><image:title>Kinora Cine Hand Viewer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372163/mcvitie-weston-valve-collection-gecusa-tungar-valve-type-d-f-1</loc><lastmod>2026-01-09T15:22:50.713Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/3/large_smg00261100.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/USA Tungar valve, type D-F-1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97498/dental-sponge-holder</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97747/water-syringe</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372326/mcvitie-weston-valve-collection-marconi-osram-rectifier-valve-type-qx</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/498/large_smg00262886.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi Osram rectifier valve, type QX</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372125/mcvitie-weston-valve-collection-cossor-valve-type-su-2150</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/149/large_smg00261311.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type S.U. 2150</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092590/combinable-or-convertible-lens-with-three-focal-lengths</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/927/large_smg00451984.jpg</image:loc><image:title>Combinable or convertible lens with three focal lengths</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102226/ash-rubber-dam-clamp</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/208/large_smg00296725.jpg</image:loc><image:title>Ash rubber dam clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093087/kodak-brownie-movie-camera-for-25-feet-of-spoooled-double-8mm-film</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102305/two-tins-for-mylar-dent-dental-matrix-strip</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/231/large_smg00296748.jpg</image:loc><image:title>Two tins for Mylar-Dent dental matrix strip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372234/mcvitie-weston-valve-collection-american-brand-ultra-audion-valve</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/355/large_smg00313091.jpg</image:loc><image:title>McVitie Weston valve collection,  &apos;American&apos; brand Ultra audion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102184/dental-descaler</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/609/large_smg00304551.jpg</image:loc><image:title>Dental descaler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372201/mcvitie-weston-valve-collection-rectron-valve</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/436/large_smg00262823.jpg</image:loc><image:title>McVitie Weston valve collection, Rectron valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97001/gingivectomy-knife</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/762/large_smg00294066.jpg</image:loc><image:title>Gingivectomy knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372076/mcvitie-weston-valve-collection-mazda-valve-type-u21</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/112/large_smg00261272.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U.21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97210/flexible-key-for-lennox-matrix-clamp</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/229/large_smg00296746.jpg</image:loc><image:title>Flexible key for Lennox matrix clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97030/box-of-50-super-luxalloy-tooth-backings</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/418/large_smg00307589.jpg</image:loc><image:title>Box of 50 &quot;Super Luxalloy&quot; tooth backings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372214/mcvitie-weston-valve-collection-osram-valve-type-gt1</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/445/large_smg00262832.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type GT1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96952/dental-forceps</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093118/haulticoeur-stereoscopic-viewer</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241178/cine-kodak-duo-splicer-outfit-8-16mm</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/85/large_smg00451140.jpg</image:loc><image:title>Cine Kodak Duo splicer outfit 8 / 16mm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100145/box-of-root-canal-tools-for-the-n2-method</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/919/large_smg00294862.jpg</image:loc><image:title>Box of root canal tools for the N2 method</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372261/mcvitie-weston-valve-collection-gec-osram-valve-type-r4</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/372/large_smg00313108.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type R4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092674/xenon-lens</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/9/large_smg00452193.jpg</image:loc><image:title>Xenon Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013463/printer</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241062/kodak-brownie-8mm-camera</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/128/large_smg00451473.jpg</image:loc><image:title>Kodak Brownie 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364279/derwiche-pelerin-pilgrim-dervish</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100112/two-sealed-packets-of-polyglycolic-acid-sutures</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/802/large_smg00294106.jpg</image:loc><image:title>Two sealed packets of polyglycolic acid sutures</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100205/bottle-of-neotopanol-topical-anaesthetic-liquid</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092602/brass-mounted-achromatic-landscape-lens</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/722/933/large_smg00453084.jpg</image:loc><image:title>brass mounted achromatic landscape lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362110/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/44/large_smg00259861.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98091/two-boxes-of-gutta-percha-nerve-canal-points</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/929/large_smg00294924.jpg</image:loc><image:title>Two boxes of gutta percha nerve canal points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8232267/walferdin-minimum-thermometer-without-markings</loc><lastmod>2026-01-09T15:22:52.110Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/663/large_smg00062099.jpg</image:loc><image:title>Walferdin minimum thermometer, without markings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113933/shop-round-for-areca-nut</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372403/mcvitie-weston-valve-collection-cossor-valve-type-vr12f</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/587/large_smg00262976.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type VR12F</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97744/dappens-glass-brown-europe-1930-1965</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/185/large_smg00304503.jpg</image:loc><image:title>Dappen&apos;s glass, brown, Europe, 1930-1965</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092897/long-focus-lens-xenar-f45-135mm-fl</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/624/large_smg00452159.jpg</image:loc><image:title>Long focus lens XENAR F.4.5 135mm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241285/peak-toy-16mm-projector</loc><lastmod>2026-01-09T15:22:52.021Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/134/large_smg00451554.jpg</image:loc><image:title>Peak Toy 16mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241124/sankyo-super-cm-super-8-camera</loc><lastmod>2026-01-09T15:22:52.465Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/539/large_smg00451098.jpg</image:loc><image:title>Sankyo Super CM Super 8 camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97705/dividing-file</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/354/large_smg00296871.jpg</image:loc><image:title>Dividing file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97633/bottle-of-stypvem-russell-viper-venom</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97307/dental-tweezers</loc><lastmod>2026-01-09T15:22:52.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/638/large_smg00308238.jpg</image:loc><image:title>Dental tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013457/matrix-printer</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co489139/wooden-box-with-padded-inside-containing-three-similar-shaped-but-differing-thickness-stampings</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/507/large_smg00457799.jpg</image:loc><image:title>Wooden box with padded inside containing three similar shaped but differing thickness stampings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97172/siqveland-self-adjusting-matrix-clamp</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8232571/trial-cardboard-carton-and-bottle-used-for-hypoloid-sulphanilamide-treatment</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/147/large_1976_0630_0021.jpg</image:loc><image:title>Trial cardboard carton and bottle used for &apos;Hypoloid&apos; sulphanilamide treatment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co501974/crt-monitor-unit-for-use-with-the-co-ordinate-measuring-machine</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/434/large_smg00457757.jpg</image:loc><image:title>C.R.T. monitor unit for use with the co-ordinate measuring machine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362066/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:53.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/533/large_smg00263611.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241280/bingoscope-ideal-home-cinema-95mm-projector</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/133/large_smg00451550.jpg</image:loc><image:title>Bingoscope Ideal Home cinema 9.5mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240976/gioca-cine-royal-super-8-projector</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/115/large_smg00451391.jpg</image:loc><image:title>Gioca Cine Royal Super 8 projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96968/copper-amalgam-spoon</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97941/hand-stopper</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372047/mcvitie-weston-valve-collection-osram-valve-type-u10</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/86/large_smg00261237.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97539/box-of-kerr-blue-inlay-casting-wax</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/205/large_smg00307974.jpg</image:loc><image:title>Box of Kerr blue inlay casting wax</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362015/mullard-double-diode</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/71/large_smg00261222.jpg</image:loc><image:title>Mullard Double Diode</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100340/dental-forceps-pattern-7-for-upper-bicuspids</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/426/large_smg00289735.jpg</image:loc><image:title>Dental forceps, pattern 7 for upper bicuspids</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102187/straight-handpiece</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96481/packet-of-combined-contraceptive-pills-minovlar</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/454/large_smg00242378.jpg</image:loc><image:title>Packet of combined contraceptive pills &quot;Minovlar&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97366/sescolet-hot-oil-electric-sterilizer-for-dental-handpieces</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092763/double-anastigmat-series-1b-selor-lens</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/386/large_smg00453309.jpg</image:loc><image:title>Double Anastigmat series 1b Selor lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97665/bottle-of-hold-impression-tray-adhesive</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96992/bennettes-scaler-double-ended</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/606/large_smg00304548.jpg</image:loc><image:title>Bennette&apos;s scaler double ended</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372423/mcvitie-weston-valve-collection-marconi-valve-type-del610</loc><lastmod>2026-01-09T15:22:53.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/609/large_smg00262998.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.L.610</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092633/aplanat-or-landscape-lens</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97695/two-packets-of-no1</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/248/large_smg00296765.jpg</image:loc><image:title>Two packets of No.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113841/shop-round-for-aconite-liniment</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96874/dental-excavator</loc><lastmod>2026-01-09T15:22:53.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372146/mcvitie-weston-valve-collection-rca-radiotron-valve-type-25z5</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/163/large_smg00261326.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 25Z5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102197/dental-excavator</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241100/agfa-movex-16mm-camera</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/692/large_smg00451315.jpg</image:loc><image:title>Agfa Movex 16mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102171/lower-section-of-a-dental-treadle-drill</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627765/mixed-ore</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/419/large_smg00080237.jpg</image:loc><image:title>Mixed ore</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8233478/le-praxinoscope</loc><lastmod>2026-01-09T15:22:53.609Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092801/kodak-anastigmat-f35-20-mm-lens</loc><lastmod>2026-01-09T15:22:53.871Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/30/large_smg00452250.jpg</image:loc><image:title>Kodak Anastigmat f.3.5 20 mm Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102284/six-tubes</loc><lastmod>2026-01-09T15:22:53.736Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96890/glass-bottle-of-neo-protosil-silver-iodide-colloid-capsules</loc><lastmod>2026-01-09T15:22:53.918Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625815/model-of-murrays-portable-beam-engine</loc><lastmod>2026-01-09T15:22:53.871Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362063/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/527/large_smg00263605.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092912/tessar-lens</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/358/smg00453147.jpg</image:loc><image:title>Tessar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372465/mcvitie-weston-valve-collection-ediswan-valve-type-es5-hf</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/229/large_smg00262616.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type ES5 (H.F.)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8618407/asbestos-component-wrapped-in-canvas</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614673/bottle-labelled-to-contain-pepana</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240924/hortson-16mm-projector</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8232265/walferdin-maximum-thermometer</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/661/large_smg00062097.jpg</image:loc><image:title>Walferdin maximum thermometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102296/bottle-of-silicate-cement-powder</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/940/large_smg00295130.jpg</image:loc><image:title>Bottle of silicate cement powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96858/air-syringe</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113840/shop-round-for-spirit-of-juniper</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241117/emel-3-lens-turret-8mm-camera</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/574/large_smg00451349.jpg</image:loc><image:title>Emel 3 lens Turret 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97948/dental-gauze-packer</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/771/large_smg00294075.jpg</image:loc><image:title>Dental gauze packer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240999/cirse-sound-8mm-sound-projector</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/145/large_smg00451845.jpg</image:loc><image:title>Cirse sound 8mm sound projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113821/shop-round-for-potassium-iodide</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97023/ivory-double-bow-separator</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/346/large_smg00296863.jpg</image:loc><image:title>Ivory double bow separator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100033/shade-guide-for-filling-porcelain</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/452/large_smg00307662.jpg</image:loc><image:title>Shade guide for Filling Porcelain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241207/ditmat-95-8-16mm-film-splicer</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/689/large_smg00451309.jpg</image:loc><image:title>Ditmat 9.5 / 8 / 16mm film splicer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362274/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/688/large_smg00257818.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96757/plasticene-model-of-the-human-uterine-blood-supply-mounted-in-box</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/371/43/large_smg00053734.jpg</image:loc><image:title>Plasticene model of the human uterine blood supply mounted in box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019494/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372267/mcvitie-weston-valve-collection-cossor-valve-type-r4c-admiralty</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/378/large_smg00313114.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type R4C (Admiralty)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102315/duplicating-flask</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97660/schimmelbusch-anaesthetic-mask</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/417/large_smg00305183.jpg</image:loc><image:title>Schimmelbusch anaesthetic mask</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362051/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/611/large_smg00263000.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372383/mcvitie-weston-valve-collection-huth-valve-type-le221</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/561/large_smg00262950.jpg</image:loc><image:title>McVitie Weston valve collection, Huth valve, type L.E.221</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97197/dental-plastics-instrument</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/4/large_smg00295014.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100063/packet-of-6-mikron-flat-fissure-cross-cut-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/138/large_smg00304353.jpg</image:loc><image:title>Packet of 6 &quot;Mikron&quot; flat fissure cross cut burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96967/2-copper-amalgam-spoons</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372062/mcvitie-weston-valve-collection-osram-valve-type-u30</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/95/large_smg00261246.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U30</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240932/kodascope-projector-model-eight-71a</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/892/large_smg00451398.jpg</image:loc><image:title>Kodascope projector Model Eight-71A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092657/dallmeyer-serrac-lens</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/212/large_smg00452569.jpg</image:loc><image:title>Dallmeyer Serrac Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372074/mcvitie-weston-valve-collection-mazda-valve-type-uu120500</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/109/large_smg00261269.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U.U.120/500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97936/4-small-square-porcelain-no-1-instrument-trays</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/190/large_smg00304508.jpg</image:loc><image:title>4 Small square porcelain No. 1 instrument trays</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100111/roll-of-silk-suture-thread</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/801/large_smg00294105.jpg</image:loc><image:title>Roll of silk suture thread</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241038/sankyo-auto-4x-8mm-camera</loc><lastmod>2026-01-09T15:22:55.160Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/131/large_smg00451530.jpg</image:loc><image:title>Sankyo Auto 4X 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97526/tin-of-eucryl-toothpowder</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102185/bottle-of-new-era-dental-floss</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372061/mcvitie-weston-valve-collection-osram-valve-type-u52</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/94/large_smg00261245.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U52</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092865/busch-bis-telar-f9-no3-lens-with-14-inch-fl-with-ring-type-iris-diaphragm-busch</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/751/large_smg00453275.jpg</image:loc><image:title>Busch-Bis-Telar F.9 No.3 lens with 14 inch f.l. with ring type iris diaphragm. Busch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092869/double-anastigmat-lens</loc><lastmod>2026-01-09T15:22:55.235Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/211/smg00214777.jpg</image:loc><image:title>Double Anastigmat lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8629671/mould-of-a-female-figure</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/64/large_smg00049404.jpg</image:loc><image:title>Mould of a female figure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97644/dental-forceps</loc><lastmod>2026-01-09T15:22:55.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/19/large_smg00290477.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97287/box-of-alpine-bristle-brushes</loc><lastmod>2026-01-09T15:22:55.466Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/533/large_smg00293474.jpg</image:loc><image:title>Box of &quot;Alpine&quot; bristle brushes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97135/gas-burner</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/645/large_smg00308245.jpg</image:loc><image:title>Gas burner</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97149/tin-of-dentruset-impression-plaster</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/85/large_smg00307307.jpg</image:loc><image:title>Tin of &quot;Dentruset&quot; impression plaster</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092933/thornton-pickard-roller-blind-shutter</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/923/large_smg00454086.jpg</image:loc><image:title>Thornton-Pickard Roller-Blind Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372036/mcvitie-weston-valve-collection-cossor-valve-type-b</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/397/large_smg00313135.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type B</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/845/large_smg00313135.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97153/plastic-bag-of-6-blue-vinyl-saliva-ejector-heads</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/783/large_smg00308677.jpg</image:loc><image:title>Plastic bag of 6&quot; blue vinyl saliva ejector heads</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100327/box-of-evenwet-plastic-polishing-strips</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/418/large_smg00296936.jpg</image:loc><image:title>Box of &quot;Evenwet&quot; plastic polishing strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372042/mcvitie-weston-valve-collection-osram-valve-type-u5</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/84/large_smg00261235.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96818/dental-descaler</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240905/miller-95mm-cine-camera</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092852/model-va-telephoto-lens-75mm-fl</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/674/large_smg00452597.jpg</image:loc><image:title>Model Va. telephoto lens 75mm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093094/the-williamson-cine-camera</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/688/large_smg00452674.jpg</image:loc><image:title>The Williamson Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97629/pascord-9-gingival-retraction-cord</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/913/large_smg00294415.jpg</image:loc><image:title>&quot;Pascord 9&quot; gingival retraction cord</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614674/bottle-labelled-to-contain-salol</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362107/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/4/large_smg00259804.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625591/component-associated-with-the-ferranti-freescan-map-digitiser</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/879/large_smg00177656.jpg</image:loc><image:title>Component associated with the Ferranti Freescan map digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614683/paper-wrapped-metal-tine-labelled-vaporol</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092785/ross-homocentric-lens</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/769/large_smg00453226.jpg</image:loc><image:title>Ross Homocentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96873/dental-ecavator</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372066/mcvitie-weston-valve-collection-mazda-valve-type-u65550</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/101/large_smg00261261.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U65/550</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96863/dental-elevator</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241332/kodak-instamatic-m4-camera</loc><lastmod>2026-01-09T15:22:56.709Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/934/large_smg00359260.jpg</image:loc><image:title>Kodak Instamatic M4 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97519/plastic-packet-of-pulpadent-root-reamers</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/861/large_smg00294803.jpg</image:loc><image:title>Plastic packet of &quot;Pulpadent&quot; root reamers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97593/boxed-shade-guide-for-peridon-acrylic-teeth</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/902/large_smg00305877.jpg</image:loc><image:title>Boxed shade guide for &quot;Peridon&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100183/box-of-perfection-polishing-strips</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/395/large_smg00296912.jpg</image:loc><image:title>Box of &quot;Perfection&quot; polishing strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372254/mcvitie-weston-valve-collection-rca-prototype-weagent-valve</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/367/large_smg00313103.jpg</image:loc><image:title>McVitie Weston valve collection, RCA prototype Weagent valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093024/weston-photronic-exposure-meter</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/222/large_smg00453364.jpg</image:loc><image:title>Weston Photronic Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102294/bottle-of-kryptex-silicophosphate-cement-powder-by-the-ss-white-co</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092840/double-achromatic-cylinder-lens</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/229/large_smg00452588.jpg</image:loc><image:title>Double Achromatic Cylinder Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98083/small-bottle-of-974-dental-alloy</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372397/mcvitie-weston-valve-collection-royal-ediswan-valve-type-ar</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/579/large_smg00262968.jpg</image:loc><image:title>McVitie Weston valve collection, Royal Ediswan valve, type AR</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092632/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:22:56.810Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/655/large_smg00452527.jpg</image:loc><image:title>brass mounted symmetrical lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97537/box-of-ash-celluloid-pulp-caps</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/242/large_smg00296759.jpg</image:loc><image:title>Box of Ash celluloid pulp caps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96997/philips-metalix-dental-x-ray-tube</loc><lastmod>2026-01-09T15:22:56.812Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/543/large_smg00308143.jpg</image:loc><image:title>Philips &quot;Metalix&quot; dental X-ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113827/shop-round-for-tincture-of-camphor</loc><lastmod>2026-01-09T15:22:57.118Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362084/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/408/large_smg00262795.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241130/eumig-s3-zoom-8mm-cine-camera</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372446/mcvitie-weston-valve-collection-bth-valve-type-b5</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/517/large_smg00263595.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.5.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100217/dental-bils-plastic-english-1965-1975</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/648/large_smg00308248.jpg</image:loc><image:title>Dental bils plastic, English, 1965-1975</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362217/fleming-oscillation-valve</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/50/large_smg00261150.jpg</image:loc><image:title>Fleming Oscillation Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092923/aldis-anastigmat-lens-f6</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/70/large_smg00452125.jpg</image:loc><image:title>Aldis Anastigmat lens F.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372477/mcvitie-weston-valve-collection-ediswan-valve-type-hf410</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/241/large_smg00262628.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type H.F.410</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96895/co2-activated-dental-water-spray</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96869/27-dental-excavators</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102313/plastic-bottle</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/352/large_smg00305113.jpg</image:loc><image:title>Plastic bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102213/2-sheets-of-ashs-weighted-brown-dental-rubbers</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/415/large_smg00307586.jpg</image:loc><image:title>2 sheets of Ash&apos;s weighted brown dental rubbers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97151/wax-anatomical-model</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/160/large_smg00307520.jpg</image:loc><image:title>Wax anatomical model</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372209/mcvitie-weston-valve-collection-aeg-raytheon-valve</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/444/large_smg00262831.jpg</image:loc><image:title>McVitie Weston valve collection, AEG Raytheon valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627782/surface-breccia-5-lead-and-8262-oz-silver-per-ton</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/423/large_smg00080241.jpg</image:loc><image:title>Surface breccia, 5% lead and 82.62 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372137/mcvitie-weston-valve-collection-arcturus-valve-type-180</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/156/large_smg00261319.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type 180</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372222/mcvitie-weston-valve-collection-cossor-valve-type-gdt4</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/22/large_smg00261122.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type GDT4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97061/dental-elevator</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/923/large_smg00290141.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96980/dental-forceps</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/11/large_smg00290469.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092760/no-5-sp-beck-steinheil-telephoto-lens</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/607/large_smg00453318.jpg</image:loc><image:title>No. 5 S.P. Beck-Steinheil Telephoto lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100040/shade-guide-for-all-de-treys-artificial-porecelain-teeth</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/910/large_smg00305885.jpg</image:loc><image:title>Shade guide for all de Trey&apos;s artificial porecelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100082/two-complete-sets</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093102/lancasters-condenser-enlarger</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372129/mcvitie-weston-valve-collection-stc-micromesh-valve-type-r2</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/151/large_smg00261313.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type R.2.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372410/mcvitie-weston-valve-collection-osram-valve-type-der</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/595/large_smg00262984.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D.E.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97709/box-of-starlite-matrix-strip</loc><lastmod>2026-01-09T15:22:58.202Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/255/large_smg00296772.jpg</image:loc><image:title>Box of Starlite matrix strip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100315/self-loading-pin-holding-tweezers</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/635/large_smg00308235.jpg</image:loc><image:title>Self-loading pin-holding tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96884/bottle-of-peridontal-pack</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100354/osteo-mitchell-cement-trimmer</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/989/large_smg00294999.jpg</image:loc><image:title>Osteo-Mitchell cement trimmer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100120/packet-of-barbed-broaches-by-the-crescent-dental-mfg-co</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/912/large_smg00294855.jpg</image:loc><image:title>Packet of barbed broaches by the Crescent Dental Mfg. Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093057/kodak-rollfilm-developing-tank-and-box</loc><lastmod>2026-01-09T15:22:58.333Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/831/large_smg00453889.jpg</image:loc><image:title>Kodak Rollfilm Developing Tank and Box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092916/a-wide-angle-rectilinear-lens</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/391/large_smg00453937.jpg</image:loc><image:title>A Wide Angle Rectilinear Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092626/taylor-taylor-hobson-anastigmat-lens</loc><lastmod>2026-01-09T15:22:58.293Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/749/large_smg00453108.jpg</image:loc><image:title>Taylor Taylor Hobson Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97205/two-boxed-bottles-of-temp-cavity-lining-and-temporary-filling-material</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092613/universal-lens-no3-f5-14-inch-fl-with-waterhouse-stops-ross</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/14/large_smg00452205.jpg</image:loc><image:title>Universal lens No.3 F.5 14 inch f.l with WAterhouse stops. Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241399/siemens-16mm-projector</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372087/mcvitie-weston-valve-collection-ediswan-valve-type-nu2</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/300/large_smg00313032.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type NU2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97193/3-dental-scalers</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/601/large_smg00304543.jpg</image:loc><image:title>3 dental scalers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97148/box-of-dfl-exact-brown-impression-compound</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/274/large_smg00308044.jpg</image:loc><image:title>Box of DFL &apos;Exact&apos; brown impression compound</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97130/glass-mortar-and-pestle</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/192/large_smg00304510.jpg</image:loc><image:title>Glass mortar and pestle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372051/mcvitie-weston-valve-collection-osram-valve-type-u14</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/28/large_smg00261128.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U14</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96978/robert-richter-cotton-roll-clamp</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/235/large_smg00296752.jpg</image:loc><image:title>Robert Richter cotton roll clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092914/brass-mounted-symmetrical-lens</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/757/smg00453141.jpg</image:loc><image:title>Brass Mounted Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241050/cnopm-3-8mm-camera</loc><lastmod>2026-01-09T15:22:58.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/464/large_smg00451465.jpg</image:loc><image:title>Cnopm-3 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97523/box-of-12-books-of-ash-thin-articulating-paper</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/903/large_smg00294215.jpg</image:loc><image:title>Box of 12 books of Ash thin articulating paper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372395/mcvitie-weston-valve-collection-ediswan-valve-type-ar</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/577/large_smg00262966.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AR</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372424/mcvitie-weston-valve-collection-marconi-valve-type-deh-612</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/536/large_smg00263614.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type DEH 612</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113923/shop-round-for-compound-tincture-of-gentian</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97115/napkin-box</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/646/large_smg00308246.jpg</image:loc><image:title>Napkin box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372034/mcvitie-weston-valve-collection-marconi-erect-valve</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/399/large_smg00313137.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi Erect valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/847/large_smg00313137.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi Erect valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362053/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/497/large_smg00263574.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97509/dental-anaesthetic-syringe</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97622/3-packets-of-polythene-separating-sheets-for-use-with-acrylic-denture-base-materials</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/909/large_smg00294221.jpg</image:loc><image:title>3 packets of polythene separating sheets for use with acrylic denture base materials</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100114/boxed-bottle-of-hemofibrine-haemostatic-sponges</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/133/large_smg00307492.jpg</image:loc><image:title>Boxed bottle of &quot;Hemofibrine&quot; haemostatic sponges</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372070/mcvitie-weston-valve-collection-mazda-valve-type-uu3</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/104/large_smg00261264.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type UU3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372476/mcvitie-weston-valve-collection-ediswan-valve-type-lf210</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/240/large_smg00262627.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type L.F.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98067/lidded-bottle-stand</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/511/large_smg00313344.jpg</image:loc><image:title>Lidded bottle stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9022092/units-for-wireless-station-a510-c-1965</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241327/cinette-eclair-ce30-8mm-projector</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/938/large_smg00359264.jpg</image:loc><image:title>Cinette Eclair CE30 8mm Projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100054/box-of-formatrix-alminium-dental-matrixes</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/234/large_smg00296751.jpg</image:loc><image:title>Box of &quot;Formatrix&quot; alminium dental matrixes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100184/box-of-fp-polishing-strips</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/396/large_smg00296913.jpg</image:loc><image:title>Box of &quot;F.P.&quot; polishing strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241330/kodak-instamatic-m24-camera</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/935/large_smg00359261.jpg</image:loc><image:title>Kodak Instamatic M24 Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092907/beck-symmetrical-lens</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/357/large_smg00453146.jpg</image:loc><image:title>Beck Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100346/cased-set-of-anchor-bands-with-extension-screw-posts</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/728/large_smg00307126.jpg</image:loc><image:title>Cased set of anchor bands with extension screw-posts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372063/mcvitie-weston-valve-collection-mov-valve-type-e388</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/99/large_smg00261259.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type E.388</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97612/kaebers-separating-saw</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/352/large_smg00296869.jpg</image:loc><image:title>Kaeber&apos;s separating saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113936/shop-round-for-liquid-extract-of-sacred-bark</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96845/cutting-instrument</loc><lastmod>2026-01-09T15:22:59.673Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362071/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/303/large_smg00262690.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240911/polavision-outfit</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97538/abbott-automatic-mallet</loc><lastmod>2026-01-09T15:22:59.950Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/594/large_smg00294254.jpg</image:loc><image:title>Abbott automatic mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362212/valve-from-the-mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093017/watkins-indoor-exposure-meter</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/813/smg00453362.jpg</image:loc><image:title>Watkins Indoor Exposure Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102246/boxed-bottle-of-peralvex-solution</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362203/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:22:59.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/569/large_smg00257694.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372126/mcvitie-weston-valve-collection-ferranti-valve-type-r4</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/150/large_smg00261312.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti valve, type R4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98035/poison-bottle-of-adrenaline-tartrate-solution</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97165/glass-tumbler-for-mouthwash</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092943/bausch-and-lomb-pneumatic-shutter</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/742/large_smg00452173.jpg</image:loc><image:title>Bausch &amp; Lomb Pneumatic Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96907/bottle-of-ribbon-gauze</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241408/adsonic-66-recording-unit</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97357/hot-water-sterilizer</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362116/ediswan-at50-triode-valve-mcvitie-weston-valve-collection-1906-1957</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/986/large_1972_0141_1317__0001_.jpg</image:loc><image:title>Ediswan AT.50 triode valve, McVitie Weston valve collection, 1906-1957</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/987/large_1972_0141_1317__0002_.jpg</image:loc><image:title>Ediswan AT.50 triode valve, McVitie Weston valve collection, 1906-1957</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/314/large_smg00259311.jpg</image:loc><image:title>Ediswan AT.50 triode valve, McVitie Weston valve collection, 1906-1957</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100090/boxed-disc-shield-no109-with-disco</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/358/large_smg00305119.jpg</image:loc><image:title>Boxed disc shield no.109 with disco</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97737/excavator-hone</loc><lastmod>2026-01-09T15:23:00.368Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/786/large_smg00308680.jpg</image:loc><image:title>Excavator hone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100166/enamel-chisel</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/844/large_smg00294786.jpg</image:loc><image:title>Enamel chisel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372136/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux28</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/42/large_smg00261142.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX28</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362061/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/523/large_smg00263601.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co502032/signal-cable-plugs</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/515/large_smg00457848.jpg</image:loc><image:title>Signal cable plugs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240993/b-and-h-speaker-spare</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092619/goerz-anastigmat-lens</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/795/large_smg00453134.jpg</image:loc><image:title>Goerz Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240914/alef-95mm-toy-projector</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241402/thd-loop-projector-type-103a</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/703/large_smg00451852.jpg</image:loc><image:title>THD loop projector type 103A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96255/plaque-showing-the-development-of-a-human-embryo</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/737/large_a600051_0008.jpg</image:loc><image:title>Plaque showing the development of a human embryo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8094662/galaxy-lapel-badge</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372299/mcvitie-weston-valve-collection-bth-valve-type-r7</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/477/large_smg00262865.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type R7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092651/double-anastigmat-lens-f68</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/216/large_smg00453291.jpg</image:loc><image:title>Double anastigmat lens F.6.8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96947/dental-forceps</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/434/large_smg00289743.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102304/glass-bottle-of-coe-flex-adhesive</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/448/large_smg00292762.jpg</image:loc><image:title>Glass bottle of Coe-Flex adhesive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96829/dental-probe</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97684/dental-burnisher-no28</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/12/large_smg00295022.jpg</image:loc><image:title>Dental burnisher No.28</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241155/pathescope-95mm-motocamera-b</loc><lastmod>2026-01-09T15:23:01.218Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/81/smg00451133.jpg</image:loc><image:title>Pathescope 9.5mm Motocamera B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372417/mcvitie-weston-valve-collection-osram-valve-type-de6</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/603/large_smg00262992.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D.E.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97545/dental-bur-stand</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/774/large_smg00308668.jpg</image:loc><image:title>Dental bur stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8619527/bronze-presentation-plaque</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/663/675/large_smg00018004__0002_.jpg</image:loc><image:title>Bronze presentation plaque</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/663/674/large_smg00018004__0001_.jpg</image:loc><image:title>Bronze presentation plaque</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372441/mcvitie-weston-valve-collection-osram-miniature-valve-type-h11</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/510/large_smg00263588.jpg</image:loc><image:title>McVitie Weston valve collection, Osram miniature valve, type H11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372090/mcvitie-weston-valve-collection-mullard-valve-type-du10</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/120/large_smg00261280.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type DU/10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97522/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/158/large_smg00304373.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092928/goerz-telephoto-attachment-change-of-focal-length-is-operated-by-rack-and-pinion</loc><lastmod>2026-01-09T15:23:01.367Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/217/large_smg00214783.jpg</image:loc><image:title>Goerz telephoto attachment change of focal length is operated by rack and pinion</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97152/box-of-unmounted-abrasive-discs</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100065/two-packets-of-6-flat-fissure-cross-cut-dental-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/136/large_smg00304351.jpg</image:loc><image:title>Two packets of 6 flat fissure cross cut dental burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372098/mcvitie-weston-valve-collection-mullard-valve-type-ur3</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/127/large_smg00261288.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type UR3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98044/dental-elevator</loc><lastmod>2026-01-09T15:23:01.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/951/large_smg00290169.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102286/boxed-bottle-of-super-wernets-denture-fixative-powder</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241090/cine-kodak-eight-model-25-8mm-camera</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/557/large_smg00451299.jpg</image:loc><image:title>Cine Kodak Eight Model 25 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97754/langenbeck-finger-protector</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/789/large_smg00308683.jpg</image:loc><image:title>Langenbeck finger protector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093016/watkins-bee-meter</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/808/large_smg00453357.jpg</image:loc><image:title>Watkins Bee Meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97630/pascord-10-gingival-retraction-cord</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/914/large_smg00294416.jpg</image:loc><image:title>&quot;Pascord 10&quot; gingival retraction cord</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372059/mcvitie-weston-valve-collection-osram-valve-type-u16</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/92/large_smg00261243.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U16</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98079/box-containing-calcipulpe-pulp-cap-and-syringe</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100352/dental-cutting-instrument</loc><lastmod>2026-01-09T15:23:01.914Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/841/large_smg00294783.jpg</image:loc><image:title>Dental cutting instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092944/automatic-pneumatic-shutter</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/743/large_smg00452174.jpg</image:loc><image:title>Automatic Pneumatic Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97956/dental-excavator</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/824/large_smg00294765.jpg</image:loc><image:title>Dental excavator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362095/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/965/large_smg00259765.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9027561/seats-and-interior-trim-for-lockheed-10a-electra-serial-no-1037-1935</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98081/box-of-bibulous-paper-points-europe-1930-1965</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/244/large_smg00296761.jpg</image:loc><image:title>Box of bibulous paper points, Europe, 1930-1965</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97694/box-of-roll-of-excelsior-rubber-dam</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/955/large_smg00294964.jpg</image:loc><image:title>Box of roll of &quot;Excelsior&quot; rubber dam</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100159/dental-gauze</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/449/large_smg00292763.jpg</image:loc><image:title>Dental gauze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241063/kopil-zoom-ee-8mm-cine-camera</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/467/large_smg00451478.jpg</image:loc><image:title>Kopil Zoom EE 8mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96894/glass-bottle-of-dentoloid-sodium-perborate-tables</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372111/mcvitie-weston-valve-collection-lion-valve</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/38/large_smg00261138.jpg</image:loc><image:title>McVitie Weston valve collection, Lion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241071/keystone-executive-16mm-camera-model-k-51</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/535/large_smg00451029.jpg</image:loc><image:title>Keystone Executive 16mm camera Model K-51</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372301/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-v24</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/479/large_smg00262867.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Round valve, type V24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100200/shade-guide-for-ashs-mineral-teeth</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/197/large_smg00306991.jpg</image:loc><image:title>Shade guide for Ash&apos;s mineral teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98022/poison-bottle-of-chloroform</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97033/box-of-alpine-finishing-points</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/400/large_smg00296917.jpg</image:loc><image:title>Box of &quot;Alpine&quot; finishing points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362050/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97586/shade-guide-for-myersons-characterized-acrylic-teeth</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/205/large_smg00306999.jpg</image:loc><image:title>Shade guide for &quot;Myerson&apos;s Characterized&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100194/packet-of-6-tapered-fissure-cross-cut-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/140/large_smg00304355.jpg</image:loc><image:title>Packet of 6 tapered fissure cross cut burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372453/mcvitie-weston-valve-collection-bth-valve-type-b22</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/525/large_smg00263603.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B22</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093105/horizontal-enlarger-for-negatives-up-to-12-plate</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/162/smg00452204.jpg</image:loc><image:title>Horizontal Enlarger for Negatives up to 1/2 plate.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628871/component</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/124/large_smg00045524.jpg</image:loc><image:title>component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97676/set-of-crown-measuring-rings-with-scale</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/212/large_smg00307981.jpg</image:loc><image:title>Set of crown measuring rings with scale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092911/symmetrical-lens</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/499/large_smg00453046.jpg</image:loc><image:title>symmetrical lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362108/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/22/large_smg00259822.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98082/boxed-bottle-of-sevriton-acrylic-cement-sealant</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98094/tube-of-gutta-percha-nerve-canal-points</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/932/large_smg00294927.jpg</image:loc><image:title>Tube of gutta percha nerve canal points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97708/box-of-incisaform-incisal-matrices</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/254/large_smg00296771.jpg</image:loc><image:title>Box of &apos;Incisaform&apos; incisal matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96822/dental-descaler</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co501984/three-heavy-mult-core-cables-tagged-x</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/465/large_smg00457762.jpg</image:loc><image:title>Three heavy mult-core cables tagged X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241099/universel-95mm-camera</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/693/large_smg00451316.jpg</image:loc><image:title>Universel 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8228676/magic-lantern-slide-showing-scene-from-alices-adventures-or-the-queen-of-hearts-and-the-stolen-tarts</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/180/490/large_1951_305_3.jpg</image:loc><image:title>Magic lantern slide showing scene from &apos;Alice&apos;s Adventures or The Queen of Hearts and the Stolen Tarts&apos;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/735/990/large_1951_0305_0003__0001_.jpg</image:loc><image:title>Magic lantern slide showing scene from &apos;Alice&apos;s Adventures or The Queen of Hearts and the Stolen Tarts&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100326/packet-of-tempryte-steel-polishing-strips</loc><lastmod>2026-01-09T15:23:02.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/417/large_smg00296935.jpg</image:loc><image:title>Packet of &quot;Tempryte&quot; steel polishing strips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98093/7-compartmented-plastic-boxes-for-nerve-canal-points</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/931/large_smg00294926.jpg</image:loc><image:title>7 Compartmented plastic boxes for nerve canal points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97950/two-apical-elevators</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/938/large_smg00290156.jpg</image:loc><image:title>Two apical elevators</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372041/mcvitie-weston-valve-collection-marconi-valve-type-u5</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/350/large_smg00313086.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type U5</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/836/large_smg00313086.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type U5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97601/boxed-shade-guide-for-anatoform-preceptor-porcelain-teeth</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/455/large_smg00307665.jpg</image:loc><image:title>Boxed shade guide for &quot;Anatoform Preceptor&quot; porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97124/dental-elevator</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/946/large_smg00290164.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102186/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/170/large_smg00304385.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96832/dental-probe</loc><lastmod>2026-01-09T15:23:03.044Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102219/cotton-roll-clamp</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/230/large_smg00296747.jpg</image:loc><image:title>Cotton roll clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241406/robert-rigby-ltd-premier-lamp-house</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97164/four-dental-swivel-pins-on-card</loc><lastmod>2026-01-09T15:23:03.155Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372345/mcvitie-weston-valve-collection-mullard-ora-valve</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/514/large_smg00262903.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard ORA valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113825/shop-round-for-gum-tragacanth</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372152/mcvitie-weston-valve-collection-tungsram-valve-type-v2018</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/169/large_smg00261332.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type V2018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372330/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-v24</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/502/large_smg00262890.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Round valve, type V24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372290/mcvitie-weston-valve-collection-cosmos-valve-type-r</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102272/bottle-for-six-eighty-dental-alloy</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362109/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/995/large_smg00259795.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092603/simple-landscape-lens</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/111/large_smg00452804.jpg</image:loc><image:title>Simple landscape lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093056/premo-film-pack-developing-tank</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/821/large_smg00453870.jpg</image:loc><image:title>Premo film-pack developing tank</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100573/double-ended-dental-plastic-instrument-with-nickel-plated-handle</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/29/large_smg00295039.jpg</image:loc><image:title>Double-ended dental plastic instrument with nickel-plated handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372187/mcvitie-weston-valve-collection-osram-valve-type-gu1</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/425/large_smg00262812.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type GU1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241195/simplex-ampro-premier-20-16mm-sound-projector-with-speaker</loc><lastmod>2026-01-09T15:23:03.514Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/793/large_smg00355996.jpg</image:loc><image:title>Simplex Ampro Premier 20 16mm Sound Projector with Speaker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96841/cutting-instrument</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625593/component-associated-with-the-ferranti-freescan-map-digitiser</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/875/large_smg00177652.jpg</image:loc><image:title>Component associated with the Ferranti Freescan map digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97113/bottle-stand</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/196/large_smg00304515.jpg</image:loc><image:title>Bottle stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8352934/16mm-magazine-for-newman-sinclair-ns400-cine-camera</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/145/large_smg00354360.jpg</image:loc><image:title>16mm magazine for Newman Sinclair NS400 cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100333/dental-mirror</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/557/large_smg00308157.jpg</image:loc><image:title>Dental mirror</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100158/box-of-50-xylocaine-and-adrenaline-local-anaesthetic-injection-cartridges</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372045/mcvitie-weston-valve-collection-osram-valve-type-u8</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/391/large_smg00313129.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U8</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/839/large_smg00313129.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372172/mcvitie-weston-valve-collection-ediswan-valve-type-u222</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/18/large_smg00261118.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type U222</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241375/28mm-combined-winder-splicer</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/879/large_smg00451213.jpg</image:loc><image:title>28mm combined winder / splicer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241271/anon-toy-35mm-projector</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/473/large_smg00451532.jpg</image:loc><image:title>Anon Toy 35mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372198/mcvitie-weston-valve-collection-tungsram-valve-type-rg2503000</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/12/large_smg00261111.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type RG250/3000</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625592/component-associated-with-the-ferranti-freescan-map-digitiser</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/878/large_smg00177655.jpg</image:loc><image:title>Component associated with the Ferranti Freescan map digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241407/grundig-tk23l-tape-recorder</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/725/694/large_smg00451859.jpg</image:loc><image:title>Grundig TK23L tape recorder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362245/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/568/large_smg00257693.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96985/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/34/large_smg00295044.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co112791/bottlepainted-inscription-for-drug-no-z88</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/424/393/large_smg00201607.jpg</image:loc><image:title>Bottle,painted inscription, for drug no. Z88</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97362/electric-dry-instrument-heater</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100322/2-boxes-of-cuttle-fish-paper-polishing-discs</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/413/large_smg00296931.jpg</image:loc><image:title>2 boxes of cuttle fish paper polishing discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372118/mcvitie-weston-valve-collection-cossor-valve-type-442-bu</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/143/large_smg00261305.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 442 BU</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96984/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/33/large_smg00295043.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97058/dental-elevator</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/922/large_smg00290140.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240991/b-and-h-speaker-spare</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97159/bur-stand</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372021/mcvitie-weston-valve-collection-gecosram-valve-type-a373</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/69/large_smg00261220.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/Osram valve, type A373</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372471/mcvitie-weston-valve-collection-ediswan-valve-type-rc2</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/235/large_smg00262622.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R.C.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372161/mcvitie-weston-valve-collection-ostar-ganz-valve-type-eg100</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/419/large_smg00262806.jpg</image:loc><image:title>McVitie Weston valve collection, Ostar-Ganz valve, type EG100</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372225/mcvitie-weston-valve-collection-cooper-hewitt-mercury-arc-rectifier-valve-type-c190810</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102221/ainsworth-rubber-dam-punch</loc><lastmod>2026-01-09T15:23:04.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/205/large_smg00296722.jpg</image:loc><image:title>Ainsworth rubber dam punch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96492/two-packets-of-combined-contraceptive-pills</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/463/large_smg00242387.jpg</image:loc><image:title>Two packets of combined contraceptive pills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092673/pentac-lens</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/18/large_smg00452209.jpg</image:loc><image:title>Pentac Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97096/flexigun-amalgam-carrier</loc><lastmod>2026-01-09T15:23:04.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/891/large_smg00294203.jpg</image:loc><image:title>&quot;Flexigun&quot; amalgam carrier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97098/dental-bils</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/649/large_smg00308249.jpg</image:loc><image:title>Dental bils</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97478/plastic-dental-instrument</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372450/mcvitie-weston-valve-collection-bth-valve-type-b8</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/521/large_smg00263599.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372095/mcvitie-weston-valve-collection-mullard-valve-type-ur-1c</loc><lastmod>2026-01-09T15:23:04.729Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241149/zeiss-ikon-kinamo-s10-16mm-camera</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/870/large_smg00451121.jpg</image:loc><image:title>Zeiss Ikon Kinamo S10 16mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100030/shade-guide-for-acrylic-teeth</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/915/large_smg00305890.jpg</image:loc><image:title>Shade guide for acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092769/teleros-telephoto-lens</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/149/large_smg00452134.jpg</image:loc><image:title>Teleros telephoto lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97029/two-boxes</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/201/large_smg00307970.jpg</image:loc><image:title>Two boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372310/mcvitie-weston-valve-collection-mullard-valve-type-r8</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/487/large_smg00262875.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type R8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372327/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-v24</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/499/large_smg00262887.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Round valve, type V.24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019487/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96959/lead-filled-mallet</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/776/large_smg00294080.jpg</image:loc><image:title>Lead-filled mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100464/boxed-bottle-of-zinc-oxyphosphate-cement</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100062/box-of-5-flat-fissure-cross-cut-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:23:05.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/141/large_smg00304356.jpg</image:loc><image:title>Box of 5 flat fissure cross cut burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362105/mcvitie-weston-valve-collection-hivac-tetrode-miniature-valve-type-xsg</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/110/large_smg00259931.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac tetrode miniature valve type X(SG)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97132/glass-mortar-and-pestle</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98051/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/43/large_smg00295053.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97635/bottle-of-eugenol</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372101/mcvitie-weston-valve-collection-mullard-valve-type-iw2a</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/129/large_smg00261291.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type IW2A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092890/aldis-anastigmat-lens</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/164/large_smg00452214.jpg</image:loc><image:title>Aldis Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625590/component-associated-with-the-ferranti-freescan-map-digitiser</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/876/large_smg00177653.jpg</image:loc><image:title>Component associated with the Ferranti Freescan map digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362131/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/633/large_smg00257760.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241394/film-processingdrying-drum</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/924/large_smg00359250.jpg</image:loc><image:title>Film Processing/Drying Drum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97192/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/632/large_smg00294315.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241077/cine-kodak-model-bb-junior-16mm-camera</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/103/large_smg00451288.jpg</image:loc><image:title>Cine Kodak Model BB Junior 16mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97663/box-of-kerr-type-1-red-impression-compound</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/627/large_smg00293965.jpg</image:loc><image:title>Box of Kerr type 1 red impression compound</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241187/kodascope-16mm-projector-model-k</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/98/large_smg00451280.jpg</image:loc><image:title>Kodascope 16mm projector Model K</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97361/hot-water-sterilizer</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96990/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/0/large_smg00295010.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96900/bur-cleaning-brush</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8228671/magic-lantern-slide-showing-scene-from-alices-adventures-or-the-queen-of-hearts-and-the-stolen-tarts</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8234002/hipp-chronoscope-with-small-galvanometer-and-key</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/46/218/large_1889_0038_0001__0002_.jpg</image:loc><image:title>Hipp chronoscope with small galvanometer and key</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/46/217/large_1889_0038_0001__0001_.jpg</image:loc><image:title>Hipp chronoscope with small galvanometer and key</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/452/large_smg00083011.jpg</image:loc><image:title>Hipp chronoscope with small galvanometer and key</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97137/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/162/large_smg00304377.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97603/shade-guide-for-univac-polychrome</loc><lastmod>2026-01-09T15:23:05.906Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/450/large_smg00307660.jpg</image:loc><image:title>Shade guide for &quot;Univac Polychrome&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97134/spirit-burner</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102303/four-boxed-tubes-of-orthofil-activator-tablets</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96251/wax-plaque-showing-a-dissected-female-figure</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/733/large_a600051_0004.jpg</image:loc><image:title>Wax plaque showing a dissected female figure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102200/dental-plastic-instrument</loc><lastmod>2026-01-09T15:23:06.009Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/32/large_smg00295042.jpg</image:loc><image:title>Dental plastic instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362077/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/313/large_smg00262700.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co501988/additional-or-alternative-crt-monitor-for-the-co-ordinate-measuring-machine</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/436/large_smg00457760.jpg</image:loc><image:title>Additional or alternative C.R.T. monitor for the co-ordinate measuring machine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241397/speaker</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98055/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/16/large_smg00295026.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240988/projector-stand</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241281/bingoscope-95mm-projector</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/132/large_smg00451548.jpg</image:loc><image:title>Bingoscope 9.5mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96486/norinyl-1-oral-contraceptive-pills</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/541/large_1986_1248_0611.jpg</image:loc><image:title>&apos;Norinyl-1&apos; oral contraceptive pills</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/492/large_smg00242655.jpg</image:loc><image:title>&apos;Norinyl-1&apos; oral contraceptive pills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97649/dental-forceps</loc><lastmod>2026-01-09T15:23:06.247Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/24/large_smg00290482.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97049/glass-pestle-english-1920-1960</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/195/large_smg00304514.jpg</image:loc><image:title>Glass pestle, English, 1920-1960</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092593/brass-mounted-busch-rapid-aplanat-no3-lens-f8-10-inch-fl</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/656/large_smg00452528.jpg</image:loc><image:title>Brass mounted Busch Rapid Aplanat No.3 lens F.8 10 inch f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092839/petzal-type-of-portrait-lens</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97658/boxed-ethyl-chloride-anaesthetic-spray</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019480/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372475/mcvitie-weston-valve-collection-ediswan-valve-type-rc210</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/239/large_smg00262626.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R.C.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628869/incandescent-capless-lamp</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/122/large_smg00045522.jpg</image:loc><image:title>Incandescent capless lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092947/split-image-rangefinder-in-case</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/776/large_smg00453245.jpg</image:loc><image:title>Split-image Rangefinder in Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372292/mcvitie-weston-valve-collection-dutch-valve-type-r</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/471/large_smg00262859.jpg</image:loc><image:title>McVitie Weston valve collection, Dutch valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8228674/magic-lantern-slide-showing-street-scene</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/181/171/large_100496_4.jpg</image:loc><image:title>Magic lantern slide showing street scene</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97015/towel-forceps</loc><lastmod>2026-01-09T15:23:06.773Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/131/large_smg00307489.jpg</image:loc><image:title>Towel forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372338/mcvitie-weston-valve-collection-movgec-valve-type-ls2</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/394/large_smg00313132.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type L.S.2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/842/large_smg00313132.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type L.S.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97597/boxed-shade-guide-for-anatoform-new-hue-porcelain-teeth</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/895/large_smg00305869.jpg</image:loc><image:title>Boxed shade guide for &quot;Anatoform New Hue&quot; porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372113/mcvitie-weston-valve-collection-fotos-valve-type-v2</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/138/large_smg00261300.jpg</image:loc><image:title>McVitie Weston valve collection, Fotos valve, type V.2.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372422/mcvitie-weston-valve-collection-marconi-valve-type-deh-610</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/608/large_smg00262997.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.H. 610</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97508/dental-anaesthetic-syringe</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98059/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/22/large_smg00295032.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97360/x-ray-intensifying-screen</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/521/798/large_smg00321986.jpg</image:loc><image:title>X-ray intensifying screen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97546/aluminium-tin-of-cas-crystal-sponge-gold</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/922/large_smg00294890.jpg</image:loc><image:title>Aluminium tin of CAS crystal sponge gold</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241067/yashica-8-8mm-camera</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/580/large_smg00451480.jpg</image:loc><image:title>Yashica-8 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102257/box-of-impregum-impression-material</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/266/large_smg00308036.jpg</image:loc><image:title>Box of &quot;Impregum&quot; impression material</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97138/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/157/large_smg00304372.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97339/castle-electric-hot-water-sterilizer</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092623/carl-zeiss-tessar-lens</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/344/large_smg00450580.jpg</image:loc><image:title>Carl Zeiss Tessar lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100036/shade-guide-for-reliance-acrylic-tooth</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/913/large_smg00305888.jpg</image:loc><image:title>Shade guide for &quot;Reliance&quot; acrylic tooth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96758/plasticene-model-of-human-uterine-supports</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/371/44/large_smg00053735.jpg</image:loc><image:title>Plasticene model of human uterine supports</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102236/ash-gutta-percha-temporary-stopping</loc><lastmod>2026-01-09T15:23:07.326Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97109/contra-angle-disc-shield-no-159</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/373/large_smg00305136.jpg</image:loc><image:title>Contra angle disc shield No. 159</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628873/incandescent-lamp-decorative-shape</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/126/large_smg00045526.jpg</image:loc><image:title>Incandescent lamp, decorative shape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372143/mcvitie-weston-valve-collection-sylvania-valve-type-12z3</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/160/large_smg00261323.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania  valve, type 12Z3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092771/clyptar-anastigmat-lens-f35-35mm-f1-with-a-ring-type-iris-diaphragm</loc><lastmod>2026-01-09T15:23:07.641Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/182/smg00452452.jpg</image:loc><image:title>Clyptar anastigmat lens F.3.5 35mm f.1 with a ring type iris diaphragm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372150/mcvitie-weston-valve-collection-six-sixty-valve-type-ssw462</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/167/large_smg00261330.jpg</image:loc><image:title>McVitie Weston valve collection, Six-Sixty valve, type S.S.W.462</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241000/bell-and-howell-168-pro-splicer</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/469/large_smg00451502.jpg</image:loc><image:title>Bell and Howell 16/8 Pro splicer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100098/dental-lancet-stainless-steel-germany-1955-1975</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/789/large_smg00294093.jpg</image:loc><image:title>Dental lancet, stainless steel, Germany, 1955-1975</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019481/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100314/2-pin-holding-tweezers</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/634/large_smg00308234.jpg</image:loc><image:title>2 pin-holding tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372442/mcvitie-weston-valve-collection-bth-valve-type-b4</loc><lastmod>2026-01-09T15:23:07.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/513/large_smg00263591.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102183/dental-descaler</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/608/large_smg00304550.jpg</image:loc><image:title>Dental descaler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372079/mcvitie-weston-valve-collection-cosmos-valve-type-sp45u</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/33/large_smg00261133.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type S.P.45/U</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97000/elliotts-amalgam-carrier</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/629/large_smg00294312.jpg</image:loc><image:title>Elliott&apos;s amalgam carrier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372206/mcvitie-weston-valve-collection-burndept-ethotron-valve</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/441/large_smg00262828.jpg</image:loc><image:title>McVitie Weston valve collection, Burndept Ethotron valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97711/box-of-celluloid-strip-matrices</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/258/large_smg00296775.jpg</image:loc><image:title>Box of celluloid strip matrices</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100208/set-of-upper-and-lower-posterior-diatoric-teeth</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/718/large_smg00307115.jpg</image:loc><image:title>Set of upper and lower posterior diatoric teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372324/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-q</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/493/large_smg00263198.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Round valve, type Q</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092962/fotoski-auto-declancheur-chronometreur</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/806/smg00453355.jpg</image:loc><image:title>Fotoski Auto Declancheur Chronometreur</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102191/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97492/dental-forceps</loc><lastmod>2026-01-09T15:23:08.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97543/box-of-15-sticks-of-exact-green-impression-compound</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/456/large_smg00308046.jpg</image:loc><image:title>Box of 15 sticks of &quot;Exact&quot; green impression compound</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96887/glass-bottle-of-mastic-temporary-cement</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241068/cine-kodak-magazine-16a-camera</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/579/large_smg00451479.jpg</image:loc><image:title>Cine-Kodak magazine 16A camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362197/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/874/large_smg00259673.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100359/2-angle-molar-anchor-bands</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/726/large_smg00307124.jpg</image:loc><image:title>2 Angle molar anchor bands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093115/rowsells-graphoscope-stereo-viewer</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/481/large_smg00453012.jpg</image:loc><image:title>Rowsell&apos;s Graphoscope stereo viewer.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092614/buschs-rapid-aplanat-no5</loc><lastmod>2026-01-09T15:23:08.855Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/648/large_smg00452268.jpg</image:loc><image:title>Busch&apos;s Rapid Aplanat No.5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100169/selection-of-crown-post-keys</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/193/large_smg00307962.jpg</image:loc><image:title>Selection of crown post keys</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092938/agc-pronto-shutter</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/739/large_smg00452170.jpg</image:loc><image:title>AGC Pronto Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372179/mcvitie-weston-valve-collection-ediswan-valve-type-mu2</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/5/large_smg00261103.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type MU2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97667/boxed-set-of-de-trey-zinc-oxide-eugenol-impression-paste</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/629/large_smg00293968.jpg</image:loc><image:title>Boxed set of De Trey zinc-oxide-eugenol impression paste</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97613/hand-held-pin-vice</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/878/large_smg00294190.jpg</image:loc><image:title>Hand held pin vice</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98052/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/44/large_smg00295054.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372108/mcvitie-weston-valve-collection-philips-miniwatt-valve-type-1821</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/134/large_smg00261296.jpg</image:loc><image:title>McVitie Weston valve collection, Philips Miniwatt valve, type 1821</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96854/octagonal-bottle-with-glass-stoppper</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96906/canister-of-double-cyanide-gauze</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241342/pathe-s-95mm-projector</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97291/box-of-ash-unmounted-abrasive-wheels-and-discs</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/406/large_smg00296924.jpg</image:loc><image:title>Box of &quot;Ash&quot; unmounted abrasive wheels and discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093058/assortment-of-contact-printing-frames</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/748/large_smg00453270.jpg</image:loc><image:title>Assortment of Contact Printing Frames</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362219/fleming-oscillation-valve</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/53/large_smg00261153.jpg</image:loc><image:title>Fleming Oscillation Valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241093/coronet-95mm-cine-camera-model-b</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/688/large_smg00451308.jpg</image:loc><image:title>Coronet 9.5mm cine camera Model B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9022093/speakeramplifier-for-wireless-station-a510-c-1965</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372321/mcvitie-weston-valve-collection-mov-valve-type-vr14a</loc><lastmod>2026-01-09T15:23:09.140Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/493/large_smg00262881.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type V.R.14A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97253/dentocoll-impression-compound-mixing-syringe</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/892/large_smg00294204.jpg</image:loc><image:title>&quot;Dentocoll&quot; impression compound mixing syringe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372420/mcvitie-weston-valve-collection-marconi-valve-type-de210</loc><lastmod>2026-01-09T15:23:09.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/606/large_smg00262995.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97141/empty-box</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/921/large_smg00294889.jpg</image:loc><image:title>Empty box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013057/components-for-model-ribbon-loom</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362115/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/70/large_smg00259891.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113882/shop-round-for-compound-cardamon-tincture</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241453/elgeet-cine-flex-reflex-viewer-8mm-camera</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98087/bottle-of-calxyl-root-dressing-powder</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97201/dental-probe-finetine-no-8</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/627/large_smg00308227.jpg</image:loc><image:title>Dental probe, finetine No. 8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96831/dental-probe</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372296/mcvitie-weston-valve-collection-bth-valve-type-b</loc><lastmod>2026-01-09T15:23:10.844Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/474/large_smg00262862.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372280/mcvitie-weston-valve-collection-z-electric-lamp-co-valve-type-r</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/459/large_smg00262846.jpg</image:loc><image:title>McVitie Weston valve collection, Z Electric Lamp Co. valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362010/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/118/large_smg00261278.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362014/fleming-diode</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/54/large_smg00261154.jpg</image:loc><image:title>Fleming Diode</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362201/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:10.844Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/536/large_smg00313291.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/355/large_smg00313291.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372043/mcvitie-weston-valve-collection-osram-valve-type-u6</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/351/large_smg00313087.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U6</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/837/large_smg00313087.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102283/tube-of-stera-fix-denture-fixative-powder</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100319/2-boxes-of-jota-mounted-abrasive</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/410/large_smg00296928.jpg</image:loc><image:title>2 boxes of &quot;Jota&quot; mounted abrasive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372123/mcvitie-weston-valve-collection-cossor-valve-type-experimental-double-diode</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/144/large_smg00261306.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type experimental double diode</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96248/wax-plaque-of-woman-showing-foetus-in-the-womb</loc><lastmod>2026-01-09T15:23:09.829Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/730/large_a600051_0001.jpg</image:loc><image:title>Wax plaque of woman showing foetus in the womb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019495/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100325/tube-of-unmounted-abrasive-wheels</loc><lastmod>2026-01-09T15:23:10.844Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/416/large_smg00296934.jpg</image:loc><image:title>Tube of unmounted abrasive wheels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co489156/servo-unit-for-mitutoyo-co-ordinate-measuring-machine</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100122/packet-of-spiral-broaches</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/913/large_smg00294856.jpg</image:loc><image:title>Packet of spiral broaches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98034/poison-bottle-of-tincture-of-iodine</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96857/automatic-mallet</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96977/towel-forceps</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/640/large_smg00308240.jpg</image:loc><image:title>Towel forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092838/triplet-achromatic-lensf8-115-inch-fl-with-waterhouse-stops-and-rack-and-pinion-adjustment</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/12/large_smg00452202.jpg</image:loc><image:title>Triplet Achromatic lensF.8 11.5 inch f.l with Waterhouse stops and rack and pinion adjustment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362189/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/829/large_smg00259628.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241054/rolls-automatic-8-8mm-camera</loc><lastmod>2026-01-09T15:23:10.844Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/741/large_smg00451469.jpg</image:loc><image:title>Rolls Automatic 8 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100365/selection-of-jack-screws</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/723/large_smg00307121.jpg</image:loc><image:title>Selection of jack screws</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240940/elmo-fp-8mm-projector</loc><lastmod>2026-01-09T15:23:10.844Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/895/large_smg00451410.jpg</image:loc><image:title>Elmo FP 8mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241458/pathescope-lamp-holder</loc><lastmod>2026-01-09T15:23:10.458Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372246/mcvitie-weston-valve-collection-gec-osram-valve-type-r2</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/360/large_smg00313096.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type R2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97087/2-boxes-of-6-tubes-of-6-2r2-interchangeable-hypodermic-needles-for-cartridge-syringes</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co502035/printer-unit-for-use-with-the-mitutoyo-co-ordinate-measuring-machine</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/435/large_smg00457759.jpg</image:loc><image:title>Printer unit for use with the Mitutoyo co-ordinate measuring machine</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362120/mcvitie-weston-valve-collection-early-western-electric-cat-valve</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362206/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/591/large_smg00257718.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96927/lower-dental-impression-tray</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/288/60/large_1980_1358_0468__0002_.jpg</image:loc><image:title>Lower dental impression tray</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/288/58/large_1980_1358_0468__0001_.jpg</image:loc><image:title>Lower dental impression tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092893/goerz-patent-double-anastigmat-lens</loc><lastmod>2026-01-09T15:23:10.692Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/724/291/large_smg00453614.jpg</image:loc><image:title>Goerz Patent Double Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100316/tweezers-used-by-a-dentist-but-probably-surgical</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/630/large_smg00308230.jpg</image:loc><image:title>Tweezers, used by a dentist but probably surgical</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372015/mcvitie-weston-valve-collection-mazda-valve-type-dd620</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/63/large_smg00261163.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type DD620</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372157/mcvitie-weston-valve-collection-tungsram-valve-type-pv-1002000</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/44/large_smg00261144.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type PV 100/2000</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98028/poison-bottle-of-sodium-fluoride-solution</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241185/ilford-elmo-zoom-8-tl-camera-outfit</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/99/large_smg00451282.jpg</image:loc><image:title>Ilford Elmo Zoom 8 TL camera outfit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241040/eumig-c4-8mm-camera</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/123/large_smg00451452.jpg</image:loc><image:title>Eumig C4 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241135/bolex-b8l-8mm-cine-camera</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/860/large_smg00451109.jpg</image:loc><image:title>Bolex B8L 8mm cine camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092926/wyar-lustrar-lens-f45</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/407/large_smg00453373.jpg</image:loc><image:title>Wyar Lustrar Lens F.4.5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100047/shade-guide-for-true-shade-acrylic-teeth</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100034/shade-guide-for-acrylucent-acrylic-teeth</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/917/large_smg00305892.jpg</image:loc><image:title>Shade guide for &quot;acrylucent&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102180/bottle-of-waites-3-procaine-and-adrenaline-solution</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97960/dental-plastic-instrument</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/9/large_smg00295019.jpg</image:loc><image:title>Dental plastic instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97738/glass-instrument-tray</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/642/large_smg00308242.jpg</image:loc><image:title>Glass instrument tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372186/mcvitie-weston-valve-collection-rca-radiotron-valve-type-866-a</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/10/large_smg00261109.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 866-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113929/shop-round-for-alcohol</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240990/projector-stand</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97727/four-plastic-pots-of-plastic-crown-forms</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/187/large_smg00307956.jpg</image:loc><image:title>Four plastic pots of plastic crown forms</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98039/bottle-of-eucalyptus-oil</loc><lastmod>2026-01-09T15:23:11.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97207/gartrells-gas-regulating-gauge</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092575/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/758/large_smg00453142.jpg</image:loc><image:title>Kodak Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372185/mcvitie-weston-valve-collection-western-electric-valve-type-263-a</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/9/large_smg00261108.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 263-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362020/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/529/large_smg00262918.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372104/mcvitie-weston-valve-collection-philips-valve-type-505</loc><lastmod>2026-01-09T15:23:11.942Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/132/large_smg00261294.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type 505</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628868/component</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/121/large_smg00045521.jpg</image:loc><image:title>component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628876/early-incandescent-lamp</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/129/large_smg00045540.jpg</image:loc><image:title>Early incandescent lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97699/two-no9-matrix-retainers</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/251/large_smg00296768.jpg</image:loc><image:title>Two No.9 matrix retainers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372184/mcvitie-weston-valve-collection-stc-valve-type-4017b</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/6/large_smg00261105.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4017B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019493/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092866/buschs-portrait-aplanat-no2-lens</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372440/mcvitie-weston-valve-collection-osram-valve-type-da60</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372154/mcvitie-weston-valve-collection-tungsram-valve-type-pv3018</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/172/large_smg00261335.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type PV3018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96846/cutting-instrument</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100458/dental-scaler</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/605/large_smg00304547.jpg</image:loc><image:title>Dental scaler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362192/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/839/large_smg00259638.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96785/chart-showing-anatomy-of-the-female-pelvis</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97671/box-of-beeswax</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/631/large_smg00293970.jpg</image:loc><image:title>Box of beeswax</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97963/dental-scaler</loc><lastmod>2026-01-09T15:23:12.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/598/large_smg00304540.jpg</image:loc><image:title>Dental scaler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97103/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/160/large_smg00304375.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97118/two-boxes-of-typon-contraste-dental-x-ray-film</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96976/towel-forceps</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/639/large_smg00308239.jpg</image:loc><image:title>Towel forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372249/mcvitie-weston-valve-collection-gec-osram-valve-type-d</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/363/large_smg00313099.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364284/propylaea-athens</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362205/osram-w30-vm-rf-catkin-pentode-valve-mcvitie-weston-valve-collection-1935-1972</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/52/736/large_1972_0141_1593__0003_.jpg</image:loc><image:title>Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/52/735/large_1972_0141_1593__0002_.jpg</image:loc><image:title>Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/52/734/large_1972_0141_1593__0001_.jpg</image:loc><image:title>Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/52/737/large_1972_0141_1593__0004_.jpg</image:loc><image:title>Osram W30 VM RF catkin pentode valve (McVitie Weston valve collection), 1935-1972</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624514/chest-x-ray-associated-with-the-rotalix-chest-radiography-plant</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/945/large_smg00080226.jpg</image:loc><image:title>Chest x-ray associated with the Rotalix chest radiography plant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092659/cooke-aviar-lens</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/165/smg00452215.jpg</image:loc><image:title>Cooke Aviar Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102190/contra-angle-handpiece</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/169/large_smg00304384.jpg</image:loc><image:title>Contra angle handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614682/paper-packet-labelled-tooth-stopping-burroughs-wellcome-and-company-limited</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092654/lustrar-lens</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/740/smg00453095.jpg</image:loc><image:title>Lustrar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96485/packet-of-combined-contraceptive-pills</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/457/large_smg00242381.jpg</image:loc><image:title>Packet of combined contraceptive pills</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362194/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/843/large_smg00259642.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372203/mcvitie-weston-valve-collection-raytheon-valve-type-b-h</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/438/large_smg00262825.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type B-H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96793/chart-showing-two-possible-positions-of-twins-in-the-womb</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98058/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/21/large_smg00295031.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113773/shop-round-for-mixed-cachous</loc><lastmod>2026-01-09T15:23:13.031Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co112113/bottle-of-livingstone-rousers-london-england-1880-1990</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/2/208/large_a630855_0004.jpg</image:loc><image:title>Bottle of &apos;Livingstone Rousers&apos;, London, England, 1880-1990</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113769/glass-drug-jar-for-chlorodyne</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372456/mcvitie-weston-valve-collection-ediswan-valve-type-ar06</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/529/large_smg00263607.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AR.06</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614680/parcel-labelled-to-contain-mustard-plasters</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092758/agfa-jgestar-anastigmat-lens-f77</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/603/large_smg00452137.jpg</image:loc><image:title>Agfa JGESTAR Anastigmat Lens F.7.7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241400/speaker</loc><lastmod>2026-01-09T15:23:14.866Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/319/large_smg00362913.jpg</image:loc><image:title>Speaker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8238447/green-glass-bottle-from-veterinary-medicine-chest</loc><lastmod>2026-01-09T15:23:14.401Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8615383/metal-tray-insert-for-tabloid-medicine-chest</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241433/super-sound-dual-gauge-8super-8-film-striper</loc><lastmod>2026-01-09T15:23:12.197Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/695/large_smg00451843.jpg</image:loc><image:title>Super sound dual gauge 8/super 8 film striper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97054/kocher-artery-forceps</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/767/large_smg00294071.jpg</image:loc><image:title>Kocher artery forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97511/dental-napkin-holder</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092884/megor-telephoto-lens</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/643/large_smg00452247.jpg</image:loc><image:title>MEGOR telephoto lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97520/tin-of-vaporole-amyl-nitrite-capsules</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362067/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/367/large_smg00262754.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97185/dental-excavator-no-243</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/840/large_smg00294782.jpg</image:loc><image:title>Dental excavator, No. 243</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372388/mcvitie-weston-valve-collection-loewe-valve-type-ar23</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/566/large_smg00262955.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type A.R.23</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8634086/air-speed-indicator-kelvin</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98060/stellite-dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/23/large_smg00295033.jpg</image:loc><image:title>Stellite dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372341/mcvitie-weston-valve-collection-bth-valve-type-r4</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/510/large_smg00262899.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type R4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100049/shade-guide-for-courtins-acrylic-teeth</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/908/large_smg00305883.jpg</image:loc><image:title>Shade guide for Courtin&apos;s acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102277/four-steradent-denture-cleaning-tablets</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102298/bottle-of-bio-trey-silicat-cement-powder</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/941/large_smg00295132.jpg</image:loc><image:title>Bottle of Bio-trey silicat cement powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100187/incomplete-set-of-coolite-inspection-lamp-heads</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/618/large_smg00308218.jpg</image:loc><image:title>Incomplete set of &quot;Coolite&quot; inspection lamp heads</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628875/component</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/128/large_smg00045529.jpg</image:loc><image:title>component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113851/shop-round-for-acetic-acid</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97619/welding-goggles-for-dental-use</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/893/large_smg00294205.jpg</image:loc><image:title>Welding goggles for dental use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372451/mcvitie-weston-valve-collection-bth-valve-type-b11</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/522/large_smg00263600.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100142/box-of-kerr-broach-reamers</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/899/large_smg00294841.jpg</image:loc><image:title>Box of Kerr broach reamers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96885/boxed-bottles-of-gosonol-temporary-cement</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96897/glass-bottle-of-carbolised-resin</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240956/elew-16mm-sound-projector</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/891/large_smg00451396.jpg</image:loc><image:title>Elew 16mm sound projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362190/vt60a-triode-807-valve-mcvitie-weston-valve-collection-1906-1972</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/56/179/large_1972_0141_1838__0002_.jpg</image:loc><image:title>VT60A triode 807 valve (McVitie Weston valve collection), 1906-1972</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/56/178/large_1972_0141_1838__0001_.jpg</image:loc><image:title>VT60A triode 807 valve (McVitie Weston valve collection), 1906-1972</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102205/dental-cutting-instrument</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/848/large_smg00294790.jpg</image:loc><image:title>Dental cutting instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092864/symmetrical-lens</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/753/large_smg00453332.jpg</image:loc><image:title>Symmetrical Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614668/bottle-labelled-to-contain-ginger-essence</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102218/p11-metalix-type-dental-x-ray-tube</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co489134/cmm-series-14-probe</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/504/large_smg00457796.jpg</image:loc><image:title>CMM series 14 probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100088/7-sets-of-4-porcelain-posterior-crowns-on-card</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/183/large_smg00307952.jpg</image:loc><image:title>7 sets of 4 porcelain posterior crowns on card</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372064/mcvitie-weston-valve-collection-bth-valve-type-rh1</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/98/large_smg00261258.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type RH1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8627779/cerussite-breccia-14-lead-and-4860-oz-silver-per-ton</loc><lastmod>2026-01-09T15:23:15.716Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/392/428/large_smg00080246.jpg</image:loc><image:title>Cerussite breccia, 14% lead and 48.60 oz. silver per ton</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241083/pathescope-motocamera-h-95mm-camera</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/552/large_smg00451294.jpg</image:loc><image:title>Pathescope Motocamera H 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372135/mcvitie-weston-valve-collection-rca-radiotron-valve-type-80</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/155/large_smg00261318.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 80</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372025/mcvitie-weston-valve-collection-mullard-valve-type-2d13</loc><lastmod>2026-01-09T15:23:15.531Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/74/large_smg00261225.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 2D13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97700/brewer-rubber-dam-clamp-forceps</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/218/large_smg00296735.jpg</image:loc><image:title>Brewer rubber dam clamp forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241024/rondo-cinelec-88md-8t-3-lens-turret-camera-8mm</loc><lastmod>2026-01-09T15:23:15.839Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/592/large_smg00451516.jpg</image:loc><image:title>Rondo Cinelec 88MD 8T 3 lens turret camera 8mm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372390/mcvitie-weston-valve-collection-gec-valve-type-ar</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/568/large_smg00262957.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type A.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092628/compound-homocentric-lens</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/346/large_smg00453080.jpg</image:loc><image:title>Compound Homocentric lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362240/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/326/large_smg00262713.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97190/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/3/large_smg00295013.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102223/bottle-of-harvard-oxyphosphate-cement-powder</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97302/bonnalie-applicator-for-gutta-percha-points</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/936/large_smg00294932.jpg</image:loc><image:title>Bonnalie applicator for gutta percha points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092959/optical-rangefinder-and-case</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/772/large_smg00453241.jpg</image:loc><image:title>Optical Rangefinder and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97740/small-agate-mortar-unsigned-europe-1925-1940</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/184/large_smg00304502.jpg</image:loc><image:title>Small agate mortar, unsigned, Europe, 1925-1940</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97653/bottle-of-xylotox-topical-anaesthetic-liquid</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/235/large_smg00304786.jpg</image:loc><image:title>Bottle of &quot;Xylotox&quot; topical anaesthetic liquid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092922/carl-zeiss-patent-tessar-lens-f45</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/621/large_smg00452156.jpg</image:loc><image:title>Carl Zeiss Patent Tessar lens F.4.5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372236/mcvitie-weston-valve-collection-audion-valve</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/357/large_smg00313093.jpg</image:loc><image:title>McVitie Weston valve collection, Audion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100180/dental-anaesthetic-syringe</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97177/matrix-retainer</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100086/set-of-diatoric-posterior-teeth</loc><lastmod>2026-01-09T15:23:16.290Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/721/large_smg00307118.jpg</image:loc><image:title>Set of diatoric posterior teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97355/x-ray-film-developing-timing-clock</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/531/large_smg00308126.jpg</image:loc><image:title>X-ray film developing timing clock</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102267/bottle-of-alston-oxyphosphate-cement-powder</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372071/mcvitie-weston-valve-collection-mazda-valve-type-uu30250</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/97/large_smg00261248.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U.U.30/250</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98236/case-book-of-cohesive-gold-leaves</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092658/ross-xpres-lens</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/211/large_smg00452568.jpg</image:loc><image:title>Ross Xpres Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97624/bottle-of-4-wannack-applicators</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/348/large_smg00296865.jpg</image:loc><image:title>Bottle of 4 Wannack applicators</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372392/mcvitie-weston-valve-collection-gec-valve-type-ar</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/569/large_smg00262958.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type A.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97696/packet-of-medium-assorted-ivory-no-1-matrix-bands</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/249/large_smg00296766.jpg</image:loc><image:title>Packet of medium assorted Ivory No. 1 matrix bands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372472/mcvitie-weston-valve-collection-ediswan-valve-type-rc2</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/236/large_smg00262623.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R.C.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372148/mcvitie-weston-valve-collection-hytron-valve-type-25z5</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/165/large_smg00261328.jpg</image:loc><image:title>McVitie Weston valve collection, Hytron valve, type 25Z5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372251/mcvitie-weston-valve-collection-valve-type-r</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/365/large_smg00313101.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97304/dental-file</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/353/large_smg00296870.jpg</image:loc><image:title>Dental file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372272/mcvitie-weston-valve-collection-gec-osram-valve-type-c</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/451/large_smg00262838.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100344/dental-forceps-for-upper-roots</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/430/large_smg00289739.jpg</image:loc><image:title>Dental forceps for upper roots</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97623/box-of-pip-denture-fitting-indicator-paste</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/910/large_smg00294222.jpg</image:loc><image:title>Box of &quot;PIP&quot; denture fitting indicator paste</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102194/boxed-bottle-of-bio-trey-silicate-filling-cement</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/485/large_smg00313317.jpg</image:loc><image:title>Boxed bottle of &quot;Bio-Trey&quot; silicate filling cement</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092578/kodak-anastigmat-lens</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/343/large_smg00453077.jpg</image:loc><image:title>Kodak Anastigmat Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97080/box-of-3-tubes</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092653/contessa-nettel-conastigmat-lens</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/484/large_smg00453016.jpg</image:loc><image:title>Contessa Nettel Conastigmat lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8233512/le-praxinoscope</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372122/mcvitie-weston-valve-collection-cossor-valve-type-v4</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/145/large_smg00261307.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type V4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362168/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/739/large_smg00259508.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co112785/sydenhams-laudanum-bottle</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/54/363/large_a660589_0002__0002_.jpg</image:loc><image:title>Sydenham&apos;s laudanum bottle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/54/362/large_a660589_0002__0001_.jpg</image:loc><image:title>Sydenham&apos;s laudanum bottle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/424/399/large_smg00201656.jpg</image:loc><image:title>Sydenham&apos;s laudanum bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372385/mcvitie-weston-valve-collection-seddig-vacuum-triode-valve</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/564/large_smg00262953.jpg</image:loc><image:title>McVitie Weston valve collection, Seddig vacuum triode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092649/carl-zeiss-tessar-lens</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/739/large_smg00453094.jpg</image:loc><image:title>Carl Zeiss Tessar Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96908/bottle-of-eugenol</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100345/dental-forceps</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/431/large_smg00289740.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362172/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/754/large_smg00259552.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97743/napkin-holder-probably-german-1930-1940</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/754/large_smg00308259.jpg</image:loc><image:title>Napkin holder, probably German, 1930-1940</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96868/dental-plastic-instrument</loc><lastmod>2026-01-09T15:23:17.305Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372147/mcvitie-weston-valve-collection-arcturus-valve-type-25z5</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/164/large_smg00261327.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type 25Z5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100056/box-of-alpine-finishing-points</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/398/large_smg00296915.jpg</image:loc><image:title>Box of &quot;Alpine&quot; finishing points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372210/mcvitie-weston-valve-collection-bth-valve-type-bt1</loc><lastmod>2026-01-09T15:23:17.255Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372144/mcvitie-weston-valve-collection-arcturus-valve-type-12z3</loc><lastmod>2026-01-09T15:23:17.370Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/161/large_smg00261324.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type 12Z3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241028/rolls-automatic-8-8mm-camera</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/596/large_smg00451520.jpg</image:loc><image:title>Rolls automatic 8 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372191/mcvitie-weston-valve-collection-sylvania-valve-type-82</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/428/large_smg00262815.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania  valve, type 82</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96256/plaque-showing-the-development-of-a-human-embryo</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/738/large_a600051_0009.jpg</image:loc><image:title>Plaque showing the development of a human embryo</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372318/mcvitie-weston-valve-collection-ediswan-valve-type-nr13</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/490/large_smg00262878.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type N.R.13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092952/split-image-rangefinder</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/775/large_smg00453244.jpg</image:loc><image:title>Split-image Rangefinder.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240938/bauer-t10t-8mm-projector</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/894/large_smg00451407.jpg</image:loc><image:title>Bauer T10T 8mm projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364282/balbek-collones-du-grande-temple-vue-du-sud</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97682/dental-burnisher-no6</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/10/large_smg00295020.jpg</image:loc><image:title>Dental burnisher No.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240933/toei-talkie-8mm-projector</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372078/mcvitie-weston-valve-collection-cosmos-valve-type-sp42u</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/32/large_smg00261132.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type S.P.42/U</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092802/dallmeyer-projection-lens</loc><lastmod>2026-01-09T15:23:18.865Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/756/large_smg00452257.jpg</image:loc><image:title>Dallmeyer Projection Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372033/mcvitie-weston-valve-collection-stc-valve-type-d1-miniature</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/83/large_smg00261234.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type D1 miniature</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625594/component-associated-with-the-ferranti-freescan-map-digitiser</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/361/874/large_smg00177651.jpg</image:loc><image:title>Component associated with the Ferranti Freescan map digitiser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97628/pascord-8-gingival-retraction-cord-in-plastic-bottle-with-instructions</loc><lastmod>2026-01-09T15:23:17.822Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/912/large_smg00294414.jpg</image:loc><image:title>&quot;Pascord 8&quot; gingival retraction cord in plastic bottle with instructions</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092612/brass-mounted-euryscop-iv-lens-c-1880</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/763/large_smg00453208.jpg</image:loc><image:title>Brass mounted &apos;Euryscop&apos; IV lens, c 1880</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241180/premier-16mm-diagonal-film-joiner</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/84/large_smg00451138.jpg</image:loc><image:title>Premier 16mm diagonal film joiner</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092631/brass-mounted-rapid-paragon-lens</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/745/large_smg00452176.jpg</image:loc><image:title>Brass Mounted Rapid Paragon Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372402/mcvitie-weston-valve-collection-ediswan-valve-type-vr12c</loc><lastmod>2026-01-09T15:23:18.865Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/586/large_smg00262975.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type VR12C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241064/rondo-8mm-camera</loc><lastmod>2026-01-09T15:23:19.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/578/large_smg00451477.jpg</image:loc><image:title>Rondo 8mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092968/leitz-short-base-rangefinder-and-case</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/239/large_smg00453231.jpg</image:loc><image:title>Leitz Short Base Rangefinder and Case.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092606/brass-mounted-rectigraph-symmetrical-lens</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/299/large_smg00452910.jpg</image:loc><image:title>Brass-Mounted Rectigraph Symmetrical Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372469/mcvitie-weston-valve-collection-ediswan-valve-type-h607</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/233/large_smg00262620.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type H607</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093062/flash-lamp-for-open-flash-with-flash-powder</loc><lastmod>2026-01-09T15:23:18.865Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co114501/test-tube</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/507/202/large_smg00268250.jpg</image:loc><image:title>Test tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092650/goerz-patent-double-anastigmat-lens</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/787/smg00453301.jpg</image:loc><image:title>Goerz patent Double Anastigmat lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092863/doublet-combination-lens-set</loc><lastmod>2026-01-09T15:23:18.819Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/153/large_smg00452166.jpg</image:loc><image:title>Doublet Combination Lens Set.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97675/artilk-articulating-silk</loc><lastmod>2026-01-09T15:23:18.865Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/908/large_smg00294220.jpg</image:loc><image:title>&apos;Artilk&apos; Articulating Silk</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97621/ampoule-saw</loc><lastmod>2026-01-09T15:23:19.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/656/large_smg00308256.jpg</image:loc><image:title>Ampoule saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240939/agfa-family-set-for-super-8-film</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/518/large_smg00362917.jpg</image:loc><image:title>Agfa family set for super 8 film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372141/mcvitie-weston-valve-collection-rca-radiotron-valve-type-5z4</loc><lastmod>2026-01-09T15:23:18.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/159/large_smg00261322.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 5Z4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624513/chest-x-ray-associated-with-the-rotalix-chest-radiography-plant</loc><lastmod>2026-01-09T15:23:19.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/946/large_smg00080227.jpg</image:loc><image:title>Chest x-ray associated with the Rotalix chest radiography plant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97500/rubber-dam-frame</loc><lastmod>2026-01-09T15:23:19.474Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97521/card-of-cervical-dental-foils</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/241/large_smg00296758.jpg</image:loc><image:title>Card of cervical dental foils</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372121/mcvitie-weston-valve-collection-cossor-valve-type-pr640</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/39/large_smg00261139.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type P.R.640</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97606/half-round-stubs-file</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/872/large_smg00294183.jpg</image:loc><image:title>Half-round stubs file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97187/2-hueys-mandrels</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/129/large_smg00304344.jpg</image:loc><image:title>2 Huey&apos;s mandrels</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97631/bottle-of-f-tabs-sodium-fluoride-tablets</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093121/kromskop-stereo-viewer</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/731/992/large_smg00452113.jpg</image:loc><image:title>Kromskop Stereo Viewer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013458/six-disk-packs-for-nova-minicomputer</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102250/box-of-micropore-surgical-tape</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/446/large_smg00292760.jpg</image:loc><image:title>Box of &quot;Micropore&quot; surgical tape</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96880/boxed-bottle-of-euphenco-cavity-lining</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100348/box-of-dental-cervix-matrixs</loc><lastmod>2026-01-09T15:23:19.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/233/large_smg00296750.jpg</image:loc><image:title>Box of dental cervix matrixs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113803/shop-round-for-cinnamon-powder</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102228/boxed-bottles-of-ashs-zincup-oxyphosphate-cement</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97184/packet-for-10-wheel-plain-cut-dental-burs-for-straight-handpieces</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/128/large_smg00304343.jpg</image:loc><image:title>Packet for 10 wheel plain cut dental burs for straight handpieces</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093095/model-80-revere-projector-for-8mm-film-intended-for-the-american-market</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/33/large_smg00454946.jpg</image:loc><image:title>Model 80 Revere projector for 8mm film intended for the American market</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092604/brass-mounted-simple-landscape-lens-meniscus</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/296/large_smg00452907.jpg</image:loc><image:title>Brass Mounted Simple Landscape Lens (meniscus)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96918/self-illuminating-dental-mirror</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100318/2-boxes-of-jota-mounted-abrasive</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/409/large_smg00296927.jpg</image:loc><image:title>2 boxes of &quot;Jota&quot; mounted abrasive</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97688/ivory-double-bow-separator</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/351/large_smg00296868.jpg</image:loc><image:title>Ivory double-bow separator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96253/wax-plaque-showing-a-dissected-female-figure</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/735/large_a600051_0006.jpg</image:loc><image:title>Wax plaque showing a dissected female figure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100057/box-of-alpine-mounted-abrasive-points</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/399/large_smg00296916.jpg</image:loc><image:title>Box of &quot;Alpine&quot; mounted abrasive points</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96675/pelvimeter-nickel-plated</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/376/684/large_smg00054478.jpg</image:loc><image:title>Pelvimeter, nickel plated</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102316/mercury-dispenser</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372271/mcvitie-weston-valve-collection-gec-osram-valve-type-c</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/382/large_smg00313119.jpg</image:loc><image:title>McVitie Weston valve collection, GEC Osram valve, type C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364281/le-sphinx-armachis-caire</loc><lastmod>2026-01-09T15:23:21.069Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97632/spray-bottle-of-compound-flavazole-and-penicillin</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/350/large_1981_1717_0053__0001_.jpg</image:loc><image:title>Spray bottle of compound flavazole and penicillin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/351/large_1981_1717_0053__0002_.jpg</image:loc><image:title>Spray bottle of compound flavazole and penicillin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372080/mcvitie-weston-valve-collection-ediswan-valve-type-cr1</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/113/large_smg00261273.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type CR1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372284/mcvitie-weston-valve-collection-bth-valve-type-r</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/465/large_smg00262852.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362049/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/573/large_smg00262962.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113776/pastille-jar-for-linseed-and-chlorodyne</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97013/mercury-dispenser</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372171/mcvitie-weston-valve-collection-ediswan-valve-type-u222</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/17/large_smg00261117.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type U222</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97636/dropping-bottle-of-novaseptic-antiseptic</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97139/cylindrical-stepped-bur-stand</loc><lastmod>2026-01-09T15:23:21.266Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/777/large_smg00308671.jpg</image:loc><image:title>Cylindrical stepped bur stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97580/boxed-shade-guide-for-ss-white-porcelain</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/203/large_smg00306997.jpg</image:loc><image:title>Boxed shade guide for S.S. White porcelain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97482/dental-elevator</loc><lastmod>2026-01-09T15:23:21.330Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093108/lantern-slide-projector</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/528/large_smg00455503.jpg</image:loc><image:title>Lantern slide projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092776/aplanat-or-simple-landscape-lens</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/636/large_smg00452240.jpg</image:loc><image:title>Aplanat or Simple Landscape Lens.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092924/zeiss-novar-anastigmat-lens-f63-12-cm-fl</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/72/large_smg00452127.jpg</image:loc><image:title>Zeiss Novar Anastigmat Lens F.6.3 12 cm f.l.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100360/boxed-selection-of-screw-wire-for-making-dental-crown-posts</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/197/large_smg00307966.jpg</image:loc><image:title>Boxed selection of screw wire for making dental crown posts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102176/local-anaesthestic-mixing-thimble</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/835/large_1980_1358_0156__0001_.jpg</image:loc><image:title>Local anaesthestic mixing thimble</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/838/large_1980_1358_0157__0001_.jpg</image:loc><image:title>Local anaesthestic mixing thimble</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/841/large_1980_1358_0157__0002_.jpg</image:loc><image:title>Local anaesthestic mixing thimble</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092847/double-anastigmat-series-1b-lens</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/647/large_smg00452252.jpg</image:loc><image:title>Double anastigmat Series 1B lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113935/shop-round-for-tincture-of-ginger</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100138/tube-of-smooth-nerve-canal-broaches</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/893/large_smg00294835.jpg</image:loc><image:title>Tube of smooth nerve canal broaches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372252/mcvitie-weston-valve-collection-electra-valve-type-r</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/366/large_smg00313102.jpg</image:loc><image:title>McVitie Weston valve collection, Electra valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100182/dental-anaesthetic-syringe</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96683/foetal-stethoscope</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/728/large_smg00242088.jpg</image:loc><image:title>Foetal stethoscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98065/cement-conveyor</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/26/large_smg00295036.jpg</image:loc><image:title>Cement conveyor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8236927/two-wooden-cubes-painted-grey</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/397/717/large_smg00158993.jpg</image:loc><image:title>Two wooden cubes, painted grey</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093076/cine-kodak-royal-magazine-camera</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/678/large_smg00452661.jpg</image:loc><image:title>Cine Kodak Royal Magazine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100095/microstyle-handpiece-wrist-slip-joint</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/362/large_smg00305123.jpg</image:loc><image:title>&quot;Microstyle&quot; handpiece wrist slip joint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092666/ross-compound-homocentric-lens</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/767/large_smg00452271.jpg</image:loc><image:title>Ross Compound Homocentric Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97136/dental-amalgam-carrier</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/630/large_smg00294313.jpg</image:loc><image:title>Dental amalgam carrier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97188/dental-excavator</loc><lastmod>2026-01-09T15:23:21.945Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/839/large_smg00294781.jpg</image:loc><image:title>Dental excavator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97625/boxed-set-of-skapyor-gingival-ampoules</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372188/mcvitie-weston-valve-collection-osram-valve-type-gu1</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/426/large_smg00262813.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type GU1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97617/double-ended-wax-knife</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/882/large_smg00294194.jpg</image:loc><image:title>Double-ended wax knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372208/mcvitie-weston-valve-collection-telefunken-aeg-raytheon-valve-type-rgn-1500</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/443/large_smg00262830.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken AEG Raytheon valve, type RGN 1500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97710/box-of-raformer-plastic-facing-forms</loc><lastmod>2026-01-09T15:23:23.281Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/256/large_smg00296773.jpg</image:loc><image:title>Box of &apos;Raformer&apos; plastic facing forms</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102306/bottle-of-diafil-silicate-cement-powder</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/943/large_smg00295138.jpg</image:loc><image:title>Bottle of Diafil silicate cement powder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372073/mcvitie-weston-valve-collection-mazda-valve-type-uu120500</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/108/large_smg00261268.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U.U.120/500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100127/tube-of-barbed-nerve-canal-broaches</loc><lastmod>2026-01-09T15:23:23.281Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/878/large_smg00294820.jpg</image:loc><image:title>Tube of barbed nerve canal broaches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100046/shade-guide-for-petralit-silicate-filling-material</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/448/large_smg00307658.jpg</image:loc><image:title>Shade guide for &quot;Petralit&quot; silicate filling material</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97095/treymanns-crown-hook</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/202/large_smg00307971.jpg</image:loc><image:title>Treymann&apos;s crown hook</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372452/mcvitie-weston-valve-collection-bth-valve-type-b12</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/524/large_smg00263602.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225532/orthicon-imaging-tube</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102227/ash-rubber-dam-clamp</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/209/large_smg00296726.jpg</image:loc><image:title>Ash rubber dam clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100334/dental-magnifier</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/553/large_smg00308153.jpg</image:loc><image:title>Dental magnifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241333/paillard-bolex-stereo-attachments</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/933/large_smg00359259.jpg</image:loc><image:title>Paillard Bolex Stereo Attachments</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98040/boxed-tube-of-pulpomixine-antibiotic-ointment</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093033/excelsior-photo-electric-exposure-meter</loc><lastmod>2026-01-09T15:23:22.645Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/212/large_smg00453257.jpg</image:loc><image:title>Excelsior photo-electric exposure meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97495/dental-forceps-no40-type-for-childs-lower-molars</loc><lastmod>2026-01-09T15:23:23.281Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113867/shop-round-for-pyrethrum-tincture</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8236289/mercury-switch-hg-enclosed-mounted-on-white-friable-board</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100336/lidded-bur-stand</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/780/large_smg00308674.jpg</image:loc><image:title>Lidded bur stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092663/double-anastigmat-series-1b-celor</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/727/57/large_smg00451981.jpg</image:loc><image:title>Double Anastigmat Series 1b. Celor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372378/mcvitie-weston-valve-collection-telefunken-valve-type-eve173</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/556/large_smg00262945.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EVE173</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100050/shade-guide-for-acrylite-acrylic-teeth</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/903/large_smg00305878.jpg</image:loc><image:title>Shade guide for &quot;Acrylite&quot; acrylic teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96684/oil-lamp-used-by-midwives-in-salford1865-1900</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/385/732/large_smg00242096.jpg</image:loc><image:title>Oil lamp, used by midwives in Salford,1865-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013460/two-vdus-for-data-general-nova-210-minicomputer</loc><lastmod>2026-01-09T15:23:23.281Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092588/zeiss-protar-combinable-or-convertible-lens</loc><lastmod>2026-01-09T15:23:22.832Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/727/large_smg00452014.jpg</image:loc><image:title>Zeiss Protar Combinable or Convertible Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96893/box-of-hydroflex-sand-abrasive-discs</loc><lastmod>2026-01-09T15:23:22.790Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093030/utilo-photo-electric-exposure-meter</loc><lastmod>2026-01-09T15:23:23.281Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/817/large_smg00453232.jpg</image:loc><image:title>Utilo Photo-electric Exposure Meter.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9013462/cables-for-nova-minicomputer</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8233514/coloured-backdrop-card-for-praxinoscope</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241455/pathescope-ace-continuous-projection-attachment</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co498493/two-disc-mitutoyo-drive-unit</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/742/508/large_smg00457800.jpg</image:loc><image:title>Two disc Mitutoyo drive unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97067/dental-elevator</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/943/large_smg00290161.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614676/cylindrical-container-labelled-to-contain-paregoric</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241112/pathescope-prince-95mm-camera</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/570/large_smg00451343.jpg</image:loc><image:title>Pathescope Prince 9.5mm camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96986/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/35/large_smg00295045.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372304/mcvitie-weston-valve-collection-movgec-valve-type-nr7</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/481/large_smg00262869.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type N.R.7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362243/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/323/large_smg00262710.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372316/mcvitie-weston-valve-collection-movgec-valve-type-nr13</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/488/large_smg00262876.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type N.R.13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372479/mcvitie-weston-valve-collection-ediswan-valve-type-rc410</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/243/large_smg00262630.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R.C.410</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092935/pneumatic-shutter</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/733/264/large_smg00452169.jpg</image:loc><image:title>Pneumatic Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97040/tongue-depressor</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/654/large_smg00308254.jpg</image:loc><image:title>Tongue depressor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100066/8-packets-of-6-wheel-plain-cut-burs-for-straight-handpiece</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/133/large_smg00304348.jpg</image:loc><image:title>8 packets of 6 wheel plain cut burs for straight handpiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372131/mcvitie-weston-valve-collection-gecusa-kenotron-valve-type-tb1</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092752/anastigmat-apotar-lens-f45</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372175/mcvitie-weston-valve-collection-ediswan-valve-type-43</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9019500/autochrome-by-ej-laing</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372168/mcvitie-weston-valve-collection-philips-valve-type-no328</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/423/large_smg00262810.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type No.328</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8614679/cardboard-box-containing-two-cylinders-of-anaesthetic-compound</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97052/cotton-roll-holder</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/819/large_1980_1358_0593__0001_.jpg</image:loc><image:title>Cotton roll holder</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/284/820/large_1980_1358_0593__0002_.jpg</image:loc><image:title>Cotton roll holder</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/238/large_smg00296755.jpg</image:loc><image:title>Cotton roll holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372313/mcvitie-weston-valve-collection-mullard-valve-type-nr10x</loc><lastmod>2026-01-09T15:23:23.934Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/385/large_smg00313122.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type NR10X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372182/mcvitie-weston-valve-collection-ediswan-valve-type-esu75</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/8/large_smg00261107.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type ESU75</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362179/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/760/large_smg00259558.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9022089/unit-for-wireless-station-a510-c-1965</loc><lastmod>2026-01-09T15:23:24.402Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97020/safe-sided-cervical-file</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/342/large_smg00296859.jpg</image:loc><image:title>Safe sided cervical file</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093020/practos-extinction-calculator</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/197/large_smg00453235.jpg</image:loc><image:title>Practos extinction calculator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241469/technicolour-cassette-player</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372459/mcvitie-weston-valve-collection-ediswan-valve-type-pv2</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/532/large_smg00263610.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type P.V.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96923/plaster-cast</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97605/fahnstocks-wax-knife</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/871/large_smg00294182.jpg</image:loc><image:title>Fahnstock&apos;s wax knife</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97173/siqveland-self-adjusting-matrix-clamp</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97725/box-of-crown-forms</loc><lastmod>2026-01-09T15:23:24.389Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/185/large_smg00307954.jpg</image:loc><image:title>Box of crown forms</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co98050/dental-plastics-instrument</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/42/large_smg00295052.jpg</image:loc><image:title>Dental plastics instrument</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372142/mcvitie-weston-valve-collection-rca-valve-type-878</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/170/large_smg00261333.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 878</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241325/lapierre-95mm-projector</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/939/large_smg00359265.jpg</image:loc><image:title>Lapierre 9.5mm Projector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092773/kodak-retina-xenon-lens-f</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/183/large_smg00452453.jpg</image:loc><image:title>Kodak Retina Xenon lens F</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092919/double-anastigmat-series-1b-celor-lens</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/395/large_smg00453319.jpg</image:loc><image:title>Double anastigmat Series 1B &apos;Celor&apos; Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092675/aldis-anastigmat-lens-c-1910</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/155/large_smg00452168.jpg</image:loc><image:title>Aldis Anastigmat Lens, c 1910</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100152/small-glass-rectangular-instrument-tray</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/182/large_smg00304500.jpg</image:loc><image:title>Small glass rectangular instrument tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96939/upper-denture-1955-1975</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/508/774/large_smg00282786.jpg</image:loc><image:title>Upper denture, 1955-1975.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96860/dental-forceps</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97211/dental-cotton-roll-tweezers</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/644/large_smg00308244.jpg</image:loc><image:title>Dental cotton roll tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97620/ampoule-saw</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/651/large_smg00308251.jpg</image:loc><image:title>Ampoule saw</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092964/zeiss-albada-direct-vision-optical-viewfinder</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/198/large_smg00453236.jpg</image:loc><image:title>Zeiss Albada Direct Vision Optical Viewfinder.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100072/set-of-4-upper-posterior-tube-teeth</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/713/large_smg00307110.jpg</image:loc><image:title>Set of 4 upper posterior tube teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8352662/ignition-key-for-post-office-television-detector-van-c1963</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100087/set-of-lower-posterior-diatoric-teeth</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/511/722/large_smg00307119.jpg</image:loc><image:title>Set of lower posterior diatoric teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372067/mcvitie-weston-valve-collection-mazda-valve-type-u65550</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/96/large_smg00261247.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type U65/550</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97648/dental-forceps</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/23/large_smg00290481.jpg</image:loc><image:title>Dental forceps</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372407/mcvitie-weston-valve-collection-osram-valve-type-devx</loc><lastmod>2026-01-09T15:23:24.791Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/590/large_smg00262979.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type DEVX</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113855/shop-round-for-cajuput-oil</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372242/mcvitie-weston-valve-collection-marconi-wt-co-round-valve-type-n</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/346/large_smg00313082.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co., round valve, type N</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102193/set-of-achatit-silicate-filling-materials</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/504/489/large_smg00313321.jpg</image:loc><image:title>Set of &quot;achatit&quot; silicate filling materials</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96488/packet-of-combined-contraceptive-pills-monophasic-ovulen-50</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/370/459/large_smg00242383.jpg</image:loc><image:title>Packet of combined contraceptive pills, monophasic &quot;Ovulen 50&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372096/mcvitie-weston-valve-collection-mullard-valve-type-ur2</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/125/large_smg00261286.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type UR2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092940/kodak-kodex-ever-set-shutter</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/740/large_smg00452171.jpg</image:loc><image:title>Kodak Kodex Ever-Set Shutter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092872/trioplan-lens-f28</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/646/large_smg00452251.jpg</image:loc><image:title>Trioplan lens F.2.8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372250/mcvitie-weston-valve-collection-royal-ediswan-valve-type-d</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/364/large_smg00313100.jpg</image:loc><image:title>McVitie Weston valve collection, Royal Ediswan valve, type D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093042/actino-photo-exposure-meter</loc><lastmod>2026-01-09T15:23:25.499Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/218/large_smg00214784.jpg</image:loc><image:title>Actino photo-exposure meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372055/mcvitie-weston-valve-collection-osram-valve-type-mu12</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/90/large_smg00261241.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type M.U.12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362200/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/623/large_smg00285383.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372133/mcvitie-weston-valve-collection-rca-rectron-valve-type-ux-216-b</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100330/two-dental-mirrors</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/555/large_smg00308155.jpg</image:loc><image:title>Two dental mirrors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362122/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/543/large_smg00257668.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96838/cutting-instrument</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97595/boxed-shade-guide-for-vita-lumin-porcelain-teeth-by-vita-zahnfabrik</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/899/large_smg00305873.jpg</image:loc><image:title>Boxed shade guide for &quot;Vita Lumin&quot; porcelain teeth by Vita Zahnfabrik</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092783/aldis-anastigmat-lens</loc><lastmod>2026-01-09T15:23:27.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/791/large_smg00453129.jpg</image:loc><image:title>Aldis Anastigmat Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100468/two-loose-ingots-of-copper-amalgam</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co102312/engine-driven-automatic-mallet</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/502/598/large_smg00294258.jpg</image:loc><image:title>Engine driven automatic mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362163/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/717/large_smg00259486.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97072/packet-of-moyco-finishing-strips-by-the-j-bird-moyer-co</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/403/large_smg00296920.jpg</image:loc><image:title>Packet of &quot;Moyco&quot; finishing strips by the J. Bird Moyer Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362164/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/726/large_smg00259495.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100351/dental-post-extractor-kit-in-wooden-box</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/196/large_smg00307965.jpg</image:loc><image:title>Dental post extractor kit in wooden box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113802/shop-round-for-gum-arabic-containing-some-white-powder</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97062/dental-elevator</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/509/912/large_smg00290130.jpg</image:loc><image:title>Dental elevator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113928/shop-round-for-oil-of-eucalyptus</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092589/busch-vademecum-lens-set</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/798/large_smg00453346.jpg</image:loc><image:title>Busch Vademecum Lens Set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96866/dental-instrument-no-35</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372411/mcvitie-weston-valve-collection-marconi-osram-valve-type-der</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96961/lead-filled-mallet</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/510/778/large_smg00294082.jpg</image:loc><image:title>Lead filled mallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co240907/cine-nizo-9-12-mod-k-95mm-cine-camera</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093117/graphoscope-viewer</loc><lastmod>2026-01-09T15:23:25.875Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/750/large_smg00453109.jpg</image:loc><image:title>Graphoscope Viewer.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8092647/velos-anastigmat-lens-in-ensign-sector-shutter-c-1920</loc><lastmod>2026-01-09T15:23:26.001Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/728/330/large_smg00453048.jpg</image:loc><image:title>Velos anastigmat lens in Ensign Sector shutter, c 1920</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97596/boxed-shade-guide-for-anatoform-new-hue-porcelain-teeth</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/503/900/large_smg00305874.jpg</image:loc><image:title>Boxed shade guide for &quot;Anatoform New Hue&quot; porcelain teeth</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8093041/photo-electric-exposure-meter-model-627</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/220/large_smg00453304.jpg</image:loc><image:title>photo-electric exposure meter model 627</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9022076/unit-for-wireless-station-a510-c-1965</loc><lastmod>2026-01-09T15:23:26.340Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co241328/eumig-viennette-super-8-cine-camera</loc><lastmod>2026-01-09T15:23:27.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/937/large_smg00359263.jpg</image:loc><image:title>Eumig Viennette Super 8 Cine Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8362017/mcvitie-weston-valve-collection</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/87/large_smg00261238.jpg</image:loc><image:title>McVitie Weston valve collection</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374070/mcvitie-weston-valve-collection-valve-type-nr74</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/964/large_smg00257890.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR74</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96788/chart-showing-amniotic-sac-position</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373161/mcvitie-weston-valve-collection-tekade-valve-type-4k170</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/472/large_smg00313214.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type 4K170</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/914/large_smg00313214.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type 4K170</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374224/mcvitie-weston-valve-collection-ediswan-valve-type-au7</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/595/large_smg00313416.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AU7</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/986/large_smg00313416.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AU7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co97673/box-of-assorted-copper-bands</loc><lastmod>2026-01-09T15:23:27.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/512/210/large_smg00307979.jpg</image:loc><image:title>Box of assorted copper bands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co113799/shop-round-for-quinine-tincture</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374299/mcvitie-weston-valve-collection-western-electric-valve-type-357a</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/273/large_smg00257667.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 357A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373242/mcvitie-weston-valve-collection-stc-valve-type-4036a</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/939/large_smg00259346.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4036A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372675/mcvitie-weston-valve-collection-tekade-valve-type-vt129</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/613/large_smg00263002.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type VT129</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373044/mcvitie-weston-valve-collection-tungsram-valve-type-s210</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/312/large_smg00262463.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type S.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374233/mcvitie-weston-valve-collection-mov-valve-type-e1457</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/604/large_smg00313425.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type E.1457</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372574/mcvitie-weston-valve-collection-mullard-valve-type-ac044</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/402/large_smg00262789.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type AC044</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co100247/electric-dental-elevator-london-england-1932</loc><lastmod>2026-01-09T15:23:27.405Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/280/large_1980_1865_0002.jpg</image:loc><image:title>Electric dental elevator, London, England, 1932</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373574/mcvitie-weston-valve-collection-tungsram-valve-type-pp4018</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/712/large_smg00259481.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type PP4018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372805/mcvitie-weston-valve-collection-western-electric-valve-type-101dw</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/488/large_smg00313231.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101DW</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/930/large_smg00313231.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101DW</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241909/marconi-sync-pulse-generator</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242027/lens-hood-and-script-holder</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/683/large_smg00353386.jpg</image:loc><image:title>Lens Hood and Script Holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374258/mcvitie-weston-valve-collection-valve-type-vu133</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/259/large_smg00257653.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU133</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241875/link-iii-zoom-control</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/592/large_smg00221677.jpg</image:loc><image:title>Link III Zoom Control</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373498/mcvitie-weston-valve-collection-osram-valve-type-dh42</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/614/large_smg00257741.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type DH42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373624/mcvitie-weston-valve-collection-mullard-valve-type-pm24m</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/771/large_smg00259569.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM24M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241936/television-camera-base-station</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373967/mcvitie-weston-valve-collection-stc-valve-type-4h180e</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/410/large_smg00313150.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4H/180E</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/857/large_smg00313150.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4H/180E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518078/printer-and-paper-for-microdensitometer</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373642/mcvitie-weston-valve-collection-valve-type-a286</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/790/large_smg00259589.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type A286</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372875/mcvitie-weston-valve-collection-cossor-valve-type-m61lf</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/945/large_smg00259744.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type M61LF</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373154/mcvitie-weston-valve-collection-marconi-valve-type-det1</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/285/large_smg00313017.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.T.1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/818/large_smg00313017.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.T.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246399/effects-power-supply-unit-rca</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/395/large_smg00353090.jpg</image:loc><image:title>Effects Power Supply Unit, RCA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co522143/electromechanical-counter-unit-with-input-valve</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/112/large_smg00296349.jpg</image:loc><image:title>Electromechanical counter unit with input valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373414/mcvitie-weston-valve-collection-stc-early-tetrode-valve</loc><lastmod>2026-01-09T15:23:28.043Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/560/large_smg00257685.jpg</image:loc><image:title>McVitie Weston valve collection, STC early tetrode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374024/mcvitie-weston-valve-collection-napl-valve-type-vu394</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/255/large_smg00257649.jpg</image:loc><image:title>McVitie Weston valve collection, NAPL valve, type VU39/4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121958/enamelled-baby-bath</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372899/mcvitie-weston-valve-collection-rca-radiotron-valve-type-uy227</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/970/large_smg00259770.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UY227</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373579/mcvitie-weston-valve-collection-mullard-valve-type-sp13</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/718/large_smg00259487.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type SP13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372772/mcvitie-weston-valve-collection-helikon-miniwatt-valve</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/703/large_smg00263093.jpg</image:loc><image:title>McVitie Weston valve collection, Helikon Miniwatt valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635955/crop-of-crystals-obtained-from-the-seventh-pot-pattinsons-process</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/9/large_smg00080259.jpg</image:loc><image:title>Crop of crystals obtained from the seventh pot, Pattinson&apos;s Process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246690/television-camera-component</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/351/large_smg00221271.jpg</image:loc><image:title>Television Camera Component</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373518/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-79</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/634/large_smg00257763.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 79</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372588/mcvitie-weston-valve-collection-hivac-valve-type-px230</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/462/large_smg00263167.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type PX230</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909908/infrared-cheek-movement-sensor-for-communication</loc><lastmod>2026-01-09T15:23:27.981Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/551/large_smg00721963__0001_.jpg</image:loc><image:title>infrared cheek movement sensor for communication</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374311/mcvitie-weston-valve-collection-stc-valve-type-cv53</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/241/large_smg00257632.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type CV53</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373142/mcvitie-weston-valve-collection-moorhead-valve-type-b</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/445/large_smg00262604.jpg</image:loc><image:title>McVitie Weston valve collection, Moorhead valve, type B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372573/mcvitie-weston-valve-collection-mullard-valve-type-dfa9</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/341/large_smg00262728.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type D.F.A.9</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374102/mcvitie-weston-valve-collection-rca-valve-type-80</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/981/large_smg00257907.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 80</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777492/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373627/mcvitie-weston-valve-collection-mullard-valve-type-pm24</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/774/large_smg00259572.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373950/mcvitie-weston-valve-collection-cossor-valve-type-vr122</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/397/large_smg00281528.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type V.R.122</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246718/glass-phial-of-hyoscine-hydrobromide</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777489/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372716/mcvitie-weston-valve-collection-mazda-valve-type-r</loc><lastmod>2026-01-09T15:23:28.320Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/653/large_smg00263042.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type R</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/710/large_smg00263042.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9028504/plastic-syringe</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636234/spare-mr6-valve-for-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374132/mcvitie-weston-valve-collection-mov-valve-type-nr82</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/139/large_smg00257528.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR82</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373744/mcvitie-weston-valve-collection-valve-type-cv64</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/908/large_smg00259707.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV64</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372894/mcvitie-weston-valve-collection-stc-micromesh-valve-type-hla1</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/964/large_smg00259764.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type HLA1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373855/mcvitie-weston-valve-collection-valve-type-vu120a</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/359/large_smg00259445.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.U.120A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372654/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux-245</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/383/large_smg00262770.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX-245</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373853/mcvitie-weston-valve-collection-valve-type-cv980</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/356/large_smg00259442.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type C.V.980</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373590/mcvitie-weston-valve-collection-brimar-valve</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/731/large_smg00259500.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910579/magazine-of-the-perimeter-institute-for-theoretical-physics-an-organization-closely-associated-with-hawking</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/625/large_smg00722014__0002_.jpg</image:loc><image:title>Magazine of the Perimeter Institute for Theoretical Physics, an organization closely associated with Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/624/large_smg00722014__0001_.jpg</image:loc><image:title>Magazine of the Perimeter Institute for Theoretical Physics, an organization closely associated with Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/626/large_smg00722014__0003_.jpg</image:loc><image:title>Magazine of the Perimeter Institute for Theoretical Physics, an organization closely associated with Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373377/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux867</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/267/large_smg00257996.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX867</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373928/mcvitie-weston-valve-collection-valve-type-vr135</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/386/large_smg00259472.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.135</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635966/iron-ore-from-yxem-lake</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/390/281/large_smg00080267.jpg</image:loc><image:title>Iron ore from Yxem Lake</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384391/father-and-son-in-front-of-skylight</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373602/mcvitie-weston-valve-collection-tungsram-valve-type-sp4b</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/746/large_smg00259515.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type SP4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910359/framed-photograph-of-albert-einstein-on-a-bicycle</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/330/large_smg00721985__0002_.jpg</image:loc><image:title>Framed photograph of Albert Einstein on a bicycle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/329/large_smg00721985__0001_.jpg</image:loc><image:title>Framed photograph of Albert Einstein on a bicycle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/331/large_smg00721985__0003_.jpg</image:loc><image:title>Framed photograph of Albert Einstein on a bicycle</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/332/large_smg00721985__0004_.jpg</image:loc><image:title>Framed photograph of Albert Einstein on a bicycle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373882/mcvitie-weston-valve-collection-valve-type-210det</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/302/large_smg00261365.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 210DET</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246404/hdtv-digital-image-enlarger</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/694/large_smg00221781.jpg</image:loc><image:title>HDTV Digital Image Enlarger</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373992/mcvitie-weston-valve-collection-valve-type-cv1103</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/435/large_smg00313175.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1103</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/880/large_smg00313175.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1103</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372804/mcvitie-weston-valve-collection-western-electric-valve-type-101-d</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/487/large_smg00313230.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101-D</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/929/large_smg00313230.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242058/television-camera-headset</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/698/large_smg00353401.jpg</image:loc><image:title>Television Camera Headset</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372563/mcvitie-weston-valve-collection-mullard-valve-type-pm5</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/328/large_smg00262715.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374151/mcvitie-weston-valve-collection-valve-type-6v6g</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/256/large_smg00257650.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6V6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373949/mcvitie-weston-valve-collection-valve-type-nr73</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/401/large_smg00281533.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR73</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372762/mcvitie-weston-valve-collection-puratone-rubon-valve-type-pr2</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/694/large_smg00263083.jpg</image:loc><image:title>McVitie Weston valve collection, Puratone Rubon valve, type P.R.2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/751/large_smg00263083.jpg</image:loc><image:title>McVitie Weston valve collection, Puratone Rubon valve, type P.R.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373691/mcvitie-weston-valve-collection-sylvania-valve-type-1231</loc><lastmod>2026-01-09T15:23:28.903Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/848/large_smg00259647.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 1231</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373570/mcvitie-weston-valve-collection-telefunken-valve-type-edd11</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/692/large_smg00257822.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EDD11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373952/mcvitie-weston-valve-collection-valve-type-cv85</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/404/large_smg00281536.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV.85</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910771/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/366/large_smg00722041__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/367/large_smg00722041__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384490/interior-of-larder</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374183/mcvitie-weston-valve-collection-mazda-valve-type-cv190</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/200/large_smg00257591.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type CV190</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9028503/pre-injection-swab</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373766/mcvitie-weston-valve-collection-valve-type-cv397</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/917/large_smg00259716.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV397</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909765/group-photograph-at-stephen-hawkings-60th-birthday-conference</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/282/large_smg00721681__0001_.jpg</image:loc><image:title>Group photograph at Stephen Hawking&apos;s 60th Birthday conference</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/283/large_smg00721681__0002_.jpg</image:loc><image:title>Group photograph at Stephen Hawking&apos;s 60th Birthday conference</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373736/mcvitie-weston-valve-collection-sfr-horned-valve-type-e604</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/222/large_smg00257613.jpg</image:loc><image:title>McVitie Weston valve collection, SFR horned valve, type E604</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373468/mcvitie-weston-valve-collection-osram-valve-type-ktz41</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/581/large_smg00257707.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KTZ41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372591/mcvitie-weston-valve-collection-hivac-midget-valve-type-xd</loc><lastmod>2026-01-09T15:23:29.343Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/351/large_smg00262738.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac midget valve type XD</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373189/mcvitie-weston-valve-collection-movgec-valve-type-t4b</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/929/large_smg00259336.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type T.4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373209/mcvitie-weston-valve-collection-gec-valve-type-6rr3</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/316/large_smg00259313.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type 6RR3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373728/mcvitie-weston-valve-collection-brimar-valve-type-5z4gt</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/887/large_smg00259686.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 5Z4GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373993/mcvitie-weston-valve-collection-valve-type-cv1103</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/436/large_smg00313176.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1103</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/881/large_smg00313176.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1103</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373875/mcvitie-weston-valve-collection-rca-valve-type-6b7</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/297/large_smg00261360.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6B7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372822/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-68</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/738/large_smg00263128.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No. 68</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912753/fabric-case-with-plastic-window-and-straps-for-messagemate-40-communications-device</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/692/large_smg00722289__0001_.jpg</image:loc><image:title>Fabric case with plastic window and straps, for MessageMate 40 communications device</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372717/mcvitie-weston-valve-collection-metal-valve-type-cl124</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/654/large_smg00263043.jpg</image:loc><image:title>McVitie Weston valve collection, Metal valve, type C.L.124</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/711/large_smg00263043.jpg</image:loc><image:title>McVitie Weston valve collection, Metal valve, type C.L.124</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374120/mcvitie-weston-valve-collection-mullard-valve-type-vr91</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/169/large_smg00257559.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VR91</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372542/mcvitie-weston-valve-collection-cossor-valve-type-215p</loc><lastmod>2026-01-09T15:23:29.409Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/299/large_smg00262686.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 215P</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372990/mcvitie-weston-valve-collection-mullard-valve-type-pm12</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/68/large_smg00259889.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373122/mcvitie-weston-valve-collection-mov-valve-type-e222-exptl</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/364/large_smg00262521.jpg</image:loc><image:title>McVitie Weston valve collection, MOV  valve, type E.222 (Exptl.)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374167/mcvitie-weston-valve-collection-osram-valve-type-nr61</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/184/large_smg00257575.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR61</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373421/mcvitie-weston-valve-collection-rca-radiotron-valve-type-47</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/622/large_smg00285382.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 47</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374142/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-tt11</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/134/large_smg00257523.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type TT11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374273/mcvitie-weston-valve-collection-osram-valve-type-px25</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/247/large_smg00257638.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PX25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374016/mcvitie-weston-valve-collection-ken-rad-valve-type-6f7</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/903/large_smg00257828.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 6F7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374198/mcvitie-weston-valve-collection-stc-valve-type-g1370k</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/215/large_smg00257606.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type G1/370K</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246701/top-and-bottom-covers-for-waveform-monitor</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/348/large_smg00221268.jpg</image:loc><image:title>Top and Bottom Covers for Waveform Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910846/discover-magazine-issue-with-feature-article-about-stephen-hawking-information-paradox</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/40/large_smg00722063__0001_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/43/large_smg00722063__0004_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/42/large_smg00722063__0003_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/41/large_smg00722063__0002_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/412/large_smg00722063__0005_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/413/large_smg00722063__0006_.jpg</image:loc><image:title>Discover Magazine issue with feature article about Stephen Hawking&apos; information paradox</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372561/mcvitie-weston-valve-collection-mullard-valve-type-pm256</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/321/large_smg00262708.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM256</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373232/mcvitie-weston-valve-collection-tungsram-valve-type-0-2002500</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122410/two-white-cotton-collars-with-pointed-collar-tips</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374048/mcvitie-weston-valve-collection-valve-type-nr42</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/937/large_smg00257862.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241946/peto-scott-line-monitor</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/287/large_smg00221173.jpg</image:loc><image:title>Peto Scott Line Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373248/mcvitie-weston-valve-collection-western-electric-valve-type-260a</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373012/mcvitie-weston-valve-collection-national-union-valve-type-36</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/91/large_smg00259912.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 36</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373080/mcvitie-weston-valve-collection-ediswan-triple-experimental-anode-valve</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/328/large_smg00262481.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan triple experimental anode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241983/colour-cathode-ray-tube-crt-370-hjb-22-evb</loc><lastmod>2026-01-09T15:23:29.675Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/331/large_smg00447348.jpg</image:loc><image:title>Colour Cathode Ray Tube (CRT) 370-HJB-22 EVB</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373125/mcvitie-weston-valve-collection-vacuum-science-products-augetron-valve</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/367/large_smg00262524.jpg</image:loc><image:title>McVitie Weston valve collection, Vacuum Science Products Augetron valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373346/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/401/large_smg00262560.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373958/mcvitie-weston-valve-collection-stc-valve-type-k252l</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/410/large_smg00281543.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type K25/2L</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911739/rheostat-for-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373087/mcvitie-weston-valve-collection-raytheon-valve-type-12a7</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/335/large_smg00262488.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 12A7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374064/mcvitie-weston-valve-collection-valve-type-vr108</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/950/large_smg00257875.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.108</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911442/analogue-signal-processor-blink-for-hawkings-cheek-movement-detector-without-enclosure</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/923/large_smg00722144__0001_.jpg</image:loc><image:title>Analogue signal processor (&apos;Blink&apos;) for Hawking&apos;s cheek movement detector, without enclosure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637228/metal-component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/954/large_smg00183299.jpg</image:loc><image:title>Metal component from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372492/mcvitie-weston-valve-collection-ediswan-valve-type-es75h</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/546/large_smg00263624.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type E.S.75.H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373904/mcvitie-weston-valve-collection-valve-type-vr27</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/278/large_smg00259306.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR27</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373112/mcvitie-weston-valve-collection-western-electric-valve-type-313a</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/354/large_smg00262508.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 313A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373725/mcvitie-weston-valve-collection-brimar-valve-type-6b8</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/884/large_smg00259683.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 6B8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373567/mcvitie-weston-valve-collection-tungsram-valve-type-pp36</loc><lastmod>2026-01-09T15:23:30.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/686/large_smg00257816.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type PP36</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372999/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux222</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/78/large_smg00259899.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX222</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374103/mcvitie-weston-valve-collection-valve-type-6x5g</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/979/large_smg00257905.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6X5G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373842/mcvitie-weston-valve-collection-valve-type-cv90</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/357/large_smg00259443.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV90</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373279/mcvitie-weston-valve-collection-osram-osglim-neon-lamp-valve</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/381/large_smg00262540.jpg</image:loc><image:title>McVitie Weston valve collection, Osram Osglim Neon lamp valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121347/section-of-miniature-hospital-including-x-ray-department</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910785/binder-with-draft-versions-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/381/large_smg00722048__0002_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/380/large_smg00722048__0001_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/382/large_smg00722048__0003_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373399/mcvitie-weston-valve-collection-osram-valve-type-pt2</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/530/large_smg00313284.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/348/large_smg00313284.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373874/mcvitie-weston-valve-collection-mov-valve-type-x41</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/300/large_smg00261363.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type X41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372648/mcvitie-weston-valve-collection-aeriotron-valve-type-wr21</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/377/large_smg00262764.jpg</image:loc><image:title>McVitie Weston valve collection, Aeriotron valve, type WR21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373597/mcvitie-weston-valve-collection-mullard-valve-type-el37</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/740/large_smg00259509.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type EL37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373862/mcvitie-weston-valve-collection-westinghouse-radiotron-valve-type-vu71</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/360/large_smg00259446.jpg</image:loc><image:title>McVitie Weston valve collection, Westinghouse Radiotron valve, type VU71</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373067/mcvitie-weston-valve-collection-loewe-valve-type-3nfw</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/293/large_smg00262444.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 3NFW</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373640/mcvitie-weston-valve-collection-stc-valve-type-4043c</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/788/large_smg00259587.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4043C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373457/mcvitie-weston-valve-collection-osram-valve-type-x41</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/571/large_smg00257696.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type X41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373426/mcvitie-weston-valve-collection-tungsram-valve-type-p26500</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/575/large_smg00283627.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type P26/500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8642386/iron-railway-sleeper-coalbrookdale</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373847/mcvitie-weston-valve-collection-valve-type-nr77</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/352/large_smg00259438.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR77</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637235/metal-component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/952/large_smg00183297.jpg</image:loc><image:title>Metal component from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373714/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/871/large_smg00259670.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co522149/electromechanical-timing-unit</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/45/large_smg00333478.jpg</image:loc><image:title>Electromechanical timing unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373780/mcvitie-weston-valve-collection-valve-type-208j-exptl</loc><lastmod>2026-01-09T15:23:30.724Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/271/large_smg00258000.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 208J (Exptl)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373511/mcvitie-weston-valve-collection-brunswick-valve-type-238</loc><lastmod>2026-01-09T15:23:30.659Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/628/large_smg00257755.jpg</image:loc><image:title>McVitie Weston valve collection, Brunswick valve, type 238</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373503/mcvitie-weston-valve-collection-stc-valve-type-8a1</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/620/large_smg00257747.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 8A.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374263/mcvitie-weston-valve-collection-emi-valve-type-cv109</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/270/large_smg00257664.jpg</image:loc><image:title>McVitie Weston valve collection, EMI valve, type CV109</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372889/mcvitie-weston-valve-collection-mullard-valve-type-904v</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/959/large_smg00259759.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 904V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373990/mcvitie-weston-valve-collection-napl-valve-type-6b6g</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/433/large_smg00313173.jpg</image:loc><image:title>McVitie Weston valve collection, NAPL valve, type 6B6G</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/878/large_smg00313173.jpg</image:loc><image:title>McVitie Weston valve collection, NAPL valve, type 6B6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372726/mcvitie-weston-valve-collection-tungsram-valve-type-mr3</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/663/large_smg00263052.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type MR3</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/720/large_smg00263052.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type MR3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372372/mcvitie-weston-valve-collection-telefunken-valve-type-env171</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/552/large_smg00262941.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type ENV171</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374010/mcvitie-weston-valve-collection-mullard-valve-type-vr41</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/910/large_smg00257835.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VR41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374244/mcvitie-weston-valve-collection-ken-rad-valve-type-vtt-118</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/615/large_smg00313436.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type VTT-118</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/3/large_smg00313436.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type VTT-118</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121949/pram-letchworth-england-1901-1970</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/17/277/large_1982_0561_0086__0004_.jpg</image:loc><image:title>Pram, Letchworth, England, 1901-1970</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/17/276/large_1982_0561_0086__0003_.jpg</image:loc><image:title>Pram, Letchworth, England, 1901-1970</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/17/274/large_1982_0561_0086__0001_.jpg</image:loc><image:title>Pram, Letchworth, England, 1901-1970</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/17/275/large_1982_0561_0086__0002_.jpg</image:loc><image:title>Pram, Letchworth, England, 1901-1970</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373529/mcvitie-weston-valve-collection-champion-valve-type-6c6</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/646/large_smg00257775.jpg</image:loc><image:title>McVitie Weston valve collection, Champion valve, type 6C6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373556/mcvitie-weston-valve-collection-sfr-valve-type-r27</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/676/large_smg00257805.jpg</image:loc><image:title>McVitie Weston valve collection, S.F.R. valve, type R27</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373756/mcvitie-weston-valve-collection-stc-valve</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/909/large_smg00259708.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910757/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/16/large_smg00722034__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/359/large_smg00722034__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372370/mcvitie-weston-valve-collection-aeg-triode-valve</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/550/large_smg00262939.jpg</image:loc><image:title>McVitie Weston valve collection, AEG Triode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374286/mcvitie-weston-valve-collection-valve-type-cv52</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/764/large_smg00283623.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV52</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372836/mcvitie-weston-valve-collection-ediswan-valve-type-vt-no95</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/750/large_smg00263140.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type V.T. No.95</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242042/4-12-inch-image-othicon</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/910/large_smg00447364.jpg</image:loc><image:title>4 1/2 inch Image Othicon</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242031/spare-valves-for-television-cameras</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/80/large_smg00354182.jpg</image:loc><image:title>Spare Valves For Television Cameras</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373483/mcvitie-weston-valve-collection-osram-valve-type-wd40</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/597/large_smg00257724.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type WD40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373960/mcvitie-weston-valve-collection-osram-valve-type-nt62a</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/403/large_smg00313143.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NT62A</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/850/large_smg00313143.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NT62A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372876/mcvitie-weston-valve-collection-cossor-valve-type-m41p</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/946/large_smg00259745.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type M.41.P</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373213/mcvitie-weston-valve-collection-gec-valve-type-at250</loc><lastmod>2026-01-09T15:23:31.088Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910573/physics-world-magazine-issue-with-article-on-third-detected-black-hole-merger</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/608/large_smg00722008__0003_.jpg</image:loc><image:title>Physics World magazine issue with article on third detected black hole merger</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/607/large_smg00722008__0002_.jpg</image:loc><image:title>Physics World magazine issue with article on third detected black hole merger</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/606/large_smg00722008__0001_.jpg</image:loc><image:title>Physics World magazine issue with article on third detected black hole merger</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518073/computer-monitor-for-microdensitometer</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9028753/packaging-for-valu-set-brand</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372494/mcvitie-weston-valve-collection-cosmos-valve-type-sp18-blue</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/253/large_smg00262640.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type S.P.18 (blue)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910551/physics-world-magazine-issue-from-early-2018-with-articles-on-the-recently-observed-merger-of-two-neutron-stars</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/555/large_smg00721991__0001_.jpg</image:loc><image:title>Physics World magazine issue from early 2018 with articles on the recently observed merger of two neutron stars</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/557/large_smg00721991__0003_.jpg</image:loc><image:title>Physics World magazine issue from early 2018 with articles on the recently observed merger of two neutron stars</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/556/large_smg00721991__0002_.jpg</image:loc><image:title>Physics World magazine issue from early 2018 with articles on the recently observed merger of two neutron stars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374267/mcvitie-weston-valve-collection-valve-type-cv56b</loc><lastmod>2026-01-09T15:23:31.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/698/large_smg00257971.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV56B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373721/mcvitie-weston-valve-collection-stc-micromesh-valve-type-pena1</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/880/large_smg00259679.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type Pen.A.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637241/three-metal-components-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/935/large_smg00183279.jpg</image:loc><image:title>Three metal components from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373899/mcvitie-weston-valve-collection-valve-type-vr137</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/310/large_smg00261374.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR137</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373607/mcvitie-weston-valve-collection-tungsram-valve-type-hp4101</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/752/large_smg00259550.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type HP4101</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372879/mcvitie-weston-valve-collection-cossor-valve-type-41mp</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/948/large_smg00259748.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 41M.P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372508/mcvitie-weston-valve-collection-bth-mazda-valve-type-rc407</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/501/large_smg00263578.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type R.C.407</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373742/mcvitie-weston-valve-collection-rca-valve-type-1628</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/896/large_smg00259695.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 1628</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241872/bbclink-scriptholder</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/597/large_smg00221682.jpg</image:loc><image:title>BBC/Link Scriptholder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910747/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/9/large_smg00722026__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/8/large_smg00722026__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373470/mcvitie-weston-valve-collection-osram-valve-type-vp21</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/583/large_smg00257709.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type VP21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384343/portrait-of-man</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384355/man-in-embroidered-waistcoat</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242021/203-spare-modules-for-television-camera</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/680/large_smg00353383.jpg</image:loc><image:title>203 Spare Modules for Television Camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121978/packet-containing-double-cyanide-gauze</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122085/baby-food-for-over-four-months-old</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/693/large_smg00167479.jpg</image:loc><image:title>Baby food, for over four months old</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373064/mcvitie-weston-valve-collection-loewe-valve-type-rnf7</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/290/large_smg00262441.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type R.N.F.7.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372592/mcvitie-weston-valve-collection-bsa-standard-valve-type-g-225</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/463/large_smg00263168.jpg</image:loc><image:title>McVitie Weston valve collection, BSA Standard valve, type G 225</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373994/mcvitie-weston-valve-collection-rca-radiotron-valve-type-42</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/437/large_smg00313177.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 42</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/882/large_smg00313177.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384401/three-men-in-a-boat</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384367/young-man</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374190/mcvitie-weston-valve-collection-rca-valve-type-6ss7</loc><lastmod>2026-01-09T15:23:31.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/207/large_smg00257598.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6SS7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373592/mcvitie-weston-valve-collection-marconi-valve-type-vp21</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/734/large_smg00259503.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type VP21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372703/mcvitie-weston-valve-collection-triotron-valve-type-t10</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/640/large_smg00263029.jpg</image:loc><image:title>McVitie Weston valve collection, Triotron valve, type T10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241886/angenieux-36350mm-zoom-lens</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/697/large_smg00353400.jpg</image:loc><image:title>Angénieux 36/350mm Zoom Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372773/mcvitie-weston-valve-collection-barum-valve-type-hf</loc><lastmod>2026-01-09T15:23:31.998Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/704/large_smg00263094.jpg</image:loc><image:title>McVitie Weston valve collection, Barum valve, type H.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373857/mcvitie-weston-valve-collection-sylvania-valve-type-6k6gtg</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/361/large_smg00259447.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 6K6GT/G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373216/mcvitie-weston-valve-collection-ediswan-valve-type-vt-no-63</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373961/mcvitie-weston-valve-collection-stc-valve-type-44a160m</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/404/large_smg00313144.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 44A/160M</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/851/large_smg00313144.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 44A/160M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384371/portrait-of-a-man</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co115383/seven-specimen-tubes-from-gloucester-infirmary</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/507/191/large_smg00268239.jpg</image:loc><image:title>Seven specimen tubes from Gloucester Infirmary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120944/elastoplast-dressing-box</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/403/585/large_smg00166855.jpg</image:loc><image:title>&quot;Elastoplast&quot; dressing box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373760/mcvitie-weston-valve-collection-rca-valve-type-vt-118</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/912/large_smg00259711.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type VT-118</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373906/mcvitie-weston-valve-collection-raytheon-valve-type-crp705a</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/277/large_smg00259305.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type CRP705A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518080/4-way-plug-connector-for-microdensitometer</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373404/mcvitie-weston-valve-collection-dario-ac-polyodion-valve</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/550/large_smg00257675.jpg</image:loc><image:title>McVitie Weston valve collection, Dario A.C. Polyodion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372959/mcvitie-weston-valve-collection-osram-valve-type-kt66</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/32/large_smg00259849.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KT66</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373794/mcvitie-weston-valve-collection-valve-type-vr21</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373099/mcvitie-weston-valve-collection-mullard-negatron-valve</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/346/large_smg00262499.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard Negatron valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372677/mcvitie-weston-valve-collection-tekade-valve-type-4n08</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/615/large_smg00263004.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type 4N08</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246127/view-of-the-national-gallery</loc><lastmod>2026-01-09T15:23:32.398Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372491/mcvitie-weston-valve-collection-ediswan-valve-type-es75h</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/545/large_smg00263623.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type E.S.75.H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373351/mcvitie-weston-valve-collection-westinghouse-valve</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/406/large_smg00262565.jpg</image:loc><image:title>McVitie Weston valve collection, Westinghouse valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374136/mcvitie-weston-valve-collection-national-union-valve-type-77</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/143/large_smg00257532.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 77</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372718/mcvitie-weston-valve-collection-metal-valve-type-cl502</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/655/large_smg00263044.jpg</image:loc><image:title>McVitie Weston valve collection, Metal valve, type C.L.502</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/712/large_smg00263044.jpg</image:loc><image:title>McVitie Weston valve collection, Metal valve, type C.L.502</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373733/mcvitie-weston-valve-collection-bth-valve-type-bt19</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/891/large_smg00259690.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type BT.19</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374251/mcvitie-weston-valve-collection-sylvania-valve-type-1625</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/265/large_smg00257659.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 1625</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373927/mcvitie-weston-valve-collection-osram-valve-type-x64</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/383/large_smg00259469.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type X64</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637214/metal-cog-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/406/458/large_smg00194002.jpg</image:loc><image:title>Metal cog from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909905/cardboard-box-used-to-store-the-main-and-backup-voice-synthesisers</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/552/large_smg00721966__0001_.jpg</image:loc><image:title>Cardboard box used to store the main and backup voice synthesisers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374140/mcvitie-weston-valve-collection-valve-type-vgt-128</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/147/large_smg00257536.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VGT 128</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373179/mcvitie-weston-valve-collection-mullard-valve-type-vt13</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/327/large_smg00313063.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VT13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373263/mcvitie-weston-valve-collection-valve-type-vt114</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/303/large_smg00258039.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VT114</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910754/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/13/large_smg00722031__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/355/large_smg00722031__0004_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/353/large_smg00722031__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/354/large_smg00722031__0003_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/356/large_smg00722031__0005_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372688/mcvitie-weston-valve-collection-loewe-valve</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/625/large_smg00263014.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637212/metal-cog-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/406/459/large_smg00194003.jpg</image:loc><image:title>Metal cog from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373810/mcvitie-weston-valve-collection-valve-type-vr18</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/293/large_smg00258026.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.18</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373045/mcvitie-weston-valve-collection-tungsram-valve-type-as4110</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/313/large_smg00262464.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type AS4110</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373182/mcvitie-weston-valve-collection-ediswan-valve-type-vt34</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/331/large_smg00259330.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type VT34</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372559/mcvitie-weston-valve-collection-mullard-valve-type-pm2</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/320/large_smg00262707.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372979/mcvitie-weston-valve-collection-ediswan-valve-type-sg215</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/55/large_smg00259872.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type S.G.215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373301/mcvitie-weston-valve-collection-stc-valve-type-4050bbx</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909914/dipole-antenna-from-a510-wireless-station</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122405/four-sets-of-white-cotton-sleeve-band-cuffs-for-the-queens-institute-of-district-nursing-uniform</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373003/mcvitie-weston-valve-collection-rca-radiotron-valve-type-uy-224-a</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/82/large_smg00259903.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UY 224-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373849/mcvitie-weston-valve-collection-valve-type-w5600</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/226/large_smg00257617.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type W5600</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372922/mcvitie-weston-valve-collection-osram-valve-type-dg2</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/996/large_smg00259796.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type DG2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374022/mcvitie-weston-valve-collection-valve-type-vw48</loc><lastmod>2026-01-09T15:23:32.809Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/919/large_smg00257844.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.W.48</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372485/mcvitie-weston-valve-collection-ediswan-valve-type-p625a</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/250/large_smg00262637.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type P625A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242060/12-12-inch-tv88-prime-telephoto-lens</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/366/large_smg00221309.jpg</image:loc><image:title>12 1/2 Inch TV88 Prime Telephoto Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373758/mcvitie-weston-valve-collection-stc-valve-type-5a153m</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/910/large_smg00259709.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 5A/153M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373084/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-89</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/332/large_smg00262485.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 89</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373863/mcvitie-weston-valve-collection-westinghouse-radiotron-valve-type-vu71</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/366/large_smg00259452.jpg</image:loc><image:title>McVitie Weston valve collection, Westinghouse Radiotron valve, type VU71</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373548/mcvitie-weston-valve-collection-valve-type-r</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/665/large_smg00257794.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373482/mcvitie-weston-valve-collection-sylvania-valve-type-78</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/596/large_smg00257723.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 78</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372360/mcvitie-weston-valve-collection-nelson-multi-valve</loc><lastmod>2026-01-09T15:23:33.220Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/537/large_smg00262926.jpg</image:loc><image:title>McVitie Weston valve collection, Nelson Multi valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373389/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:33.337Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/433/large_smg00262592.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121982/first-aid-pack-marked-navy-medical</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/371/large_1983_0122__0010__0004_.jpg</image:loc><image:title>First aid pack marked Navy Medical</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/373/large_1983_0122_0007__0001_.jpg</image:loc><image:title>First aid pack marked Navy Medical</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/374/large_1983_0122_0007__0002_.jpg</image:loc><image:title>First aid pack marked Navy Medical</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/372/large_1983_0122__0010__0005_.jpg</image:loc><image:title>First aid pack marked Navy Medical</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/429/701/large_smg00164065.jpg</image:loc><image:title>First aid pack marked Navy Medical</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373566/mcvitie-weston-valve-collection-tungsram-valve-type-tx4</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/685/large_smg00257815.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type TX4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241873/bbclink-scriptholder</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/596/large_smg00221681.jpg</image:loc><image:title>BBC/Link Scriptholder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373411/mcvitie-weston-valve-collection-lissen-valve-type-avc2</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/557/large_smg00257682.jpg</image:loc><image:title>McVitie Weston valve collection, Lissen valve, type AVC2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372484/mcvitie-weston-valve-collection-ediswan-valve-type-p425</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/249/large_smg00262636.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type P425</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372544/mcvitie-weston-valve-collection-cossor-valve-type-230-xp</loc><lastmod>2026-01-09T15:23:34.601Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/301/large_smg00262688.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 230 X.P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373802/mcvitie-weston-valve-collection-valve-type-6f6g</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/289/large_smg00258022.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6F6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374209/mcvitie-weston-valve-collection-osram-valve-type-nr66</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/584/large_smg00313402.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR66</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/975/large_smg00313402.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR66</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372501/mcvitie-weston-valve-collection-cosmos-valve-type-sp-50</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/260/large_smg00262647.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type SP 50</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373746/mcvitie-weston-valve-collection-valve-type-cv67</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/574/large_smg00283626.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV67</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246727/aluminium-case-for-syringe-set</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242012/television-camera-interconnecting-cables</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/673/large_smg00353376.jpg</image:loc><image:title>Television Camera Interconnecting Cables</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372550/mcvitie-weston-valve-collection-cossor-valve-type-xxp640</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/547/large_smg00263625.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type XXP640</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373166/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-e44a</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/318/large_smg00313053.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type E.44A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372564/mcvitie-weston-valve-collection-mullard-valve-type-pm5a</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/329/large_smg00262716.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM5A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373872/mcvitie-weston-valve-collection-valve-type-vy39</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/291/large_smg00261354.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VY39</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637204/two-nuts-and-two-bolts-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/930/large_smg00183263.jpg</image:loc><image:title>Two nuts and two bolts from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373190/mcvitie-weston-valve-collection-osram-valve-type-t15</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/464/large_smg00313206.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type T.15</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/906/large_smg00313206.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type T.15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384397/woman-in-velvet-cape-and-hat</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8244661/calotypes-of-leaf</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372534/mcvitie-weston-valve-collection-cossor-point-one-rc-valve</loc><lastmod>2026-01-09T15:23:35.026Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/289/large_smg00262676.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor point one R.C. valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8646012/empty-cardboard-sleeve</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373789/mcvitie-weston-valve-collection-valve-type-cv1039</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/279/large_smg00258008.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1039</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373202/mcvitie-weston-valve-collection-bth-valve-type-at40</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/456/large_smg00313198.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type A.T.40</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/899/large_smg00313198.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type A.T.40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374211/mcvitie-weston-valve-collection-osram-valve-type-d41</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373806/mcvitie-weston-valve-collection-valve-type-6q7g</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372659/mcvitie-weston-valve-collection-raytheon-valve-type-ray-x-171a</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/386/large_smg00262773.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type RAY X 171A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372516/mcvitie-weston-valve-collection-bth-mazda-valve-type-p215</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/272/large_smg00262659.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type P.215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373542/mcvitie-weston-valve-collection-six-sixty-valve-type-ss</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/659/large_smg00257788.jpg</image:loc><image:title>McVitie Weston valve collection, Six-Sixty valve, type S.S.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372956/mcvitie-weston-valve-collection-rca-radiotron-valve-type-48</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/29/large_smg00259846.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 48</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373938/mcvitie-weston-valve-collection-osram-valve-type-vt107</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/394/large_smg00259480.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type VT107</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241902/marconi-mk-iii-vision-mixer</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373819/mcvitie-weston-valve-collection-valve-type-nt68a</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/225/large_smg00257616.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NT68A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373638/mcvitie-weston-valve-collection-osram-valve-type-d41</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/786/large_smg00259585.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372768/mcvitie-weston-valve-collection-neutron-tetrode-valve</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/700/large_smg00263089.jpg</image:loc><image:title>McVitie Weston valve collection, Neutron tetrode valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/757/large_smg00263089.jpg</image:loc><image:title>McVitie Weston valve collection, Neutron tetrode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636204/filament-wire-associated-with-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:35.423Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/471/704/large_smg00292332.jpg</image:loc><image:title>Filament Wire Associated with the 2LO Transmitter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373032/mcvitie-weston-valve-collection-six-sixty-valve-type-ss4075</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/112/large_smg00259933.jpg</image:loc><image:title>McVitie Weston valve collection, Six Sixty valve, type S.S.4075</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372628/mcvitie-weston-valve-collection-western-electric-valve-type-231-d</loc><lastmod>2026-01-09T15:23:35.662Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/359/large_smg00262746.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 231-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242047/4-12-inch-image-orthicon-faceplate</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/316/large_smg00447309.jpg</image:loc><image:title>4 1/2 inch Image Orthicon Faceplate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373451/mcvitie-weston-valve-collection-ken-rad-valve-type-6f7</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/315/large_smg00313050.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 6F7*</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/322/large_smg00313050.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 6F7*</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374321/mcvitie-weston-valve-collection-ediswan-valve-type-a197</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/593/large_smg00263743.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type A197</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373947/mcvitie-weston-valve-collection-valve-type-arp38</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/400/large_smg00281532.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type ARP38</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373869/mcvitie-weston-valve-collection-stc-valve-type-9d2</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/294/large_smg00261357.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 9D2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373604/mcvitie-weston-valve-collection-rca-valve-type-12a6</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/748/large_smg00259546.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 12A6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373473/mcvitie-weston-valve-collection-osram-valve-type-msp41</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/587/large_smg00257713.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MSP41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373580/mcvitie-weston-valve-collection-mullard-valve-type-hx2</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/719/large_smg00259488.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type HX2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373773/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:35.500Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/924/large_smg00259723.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373481/mcvitie-weston-valve-collection-mazda-valve-type-vp1321</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/595/large_smg00257722.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VP/1321</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373706/mcvitie-weston-valve-collection-rca-cunningham-valve-type-6l7</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/863/large_smg00259662.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham valve, type 6L7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374235/mcvitie-weston-valve-collection-mazda-valve-type-a40</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/606/large_smg00313427.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type A40</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/995/large_smg00313427.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type A40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373149/mcvitie-weston-valve-collection-mullard-valve-type-030b</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/289/large_smg00313021.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 0.30B</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/822/large_smg00313021.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 0.30B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374310/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/572/large_smg00263698.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373564/mcvitie-weston-valve-collection-tungsram-valve-type-hp210</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/683/large_smg00257813.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type HP210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373930/mcvitie-weston-valve-collection-valve-type-cv52</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/387/large_smg00259473.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV52</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637239/five-nuts-two-screws-and-five-metal-components-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/944/large_smg00183289.jpg</image:loc><image:title>Five nuts, two screws, and five metal components from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373167/mcvitie-weston-valve-collection-movgec-valve-type-nt9</loc><lastmod>2026-01-09T15:23:36.092Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373397/mcvitie-weston-valve-collection-ferranti-valve-type-vpt4</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/545/large_smg00257670.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti valve, type V.P.T.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372737/mcvitie-weston-valve-collection-nlv-co-ltd-valve-type-pp</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/269/large_smg00313001.jpg</image:loc><image:title>McVitie Weston valve collection, N.L.V. Co. Ltd. valve, type P.P.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/803/large_smg00313001.jpg</image:loc><image:title>McVitie Weston valve collection, N.L.V. Co. Ltd. valve, type P.P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374215/mcvitie-weston-valve-collection-valve-type-6k7gt</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/586/large_smg00313407.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6K7GT</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/977/large_smg00313407.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6K7GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373121/mcvitie-weston-valve-collection-osram-valve-type-e104</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/363/large_smg00262520.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type E104</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373530/mcvitie-weston-valve-collection-hytron-valve-type-43</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/647/large_smg00257776.jpg</image:loc><image:title>McVitie Weston valve collection, Hytron valve, type 43</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374121/mcvitie-weston-valve-collection-stc-valve-type-4260a</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/240/large_smg00257631.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4260A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373180/mcvitie-weston-valve-collection-stc-valve-type-vt13c</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/330/large_smg00313066.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type V.T.13.C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374087/mcvitie-weston-valve-collection-sylvania-valve-type-6j7g</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/972/large_smg00257898.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 6J7G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242046/television-camera-modules</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/696/large_smg00353399.jpg</image:loc><image:title>Television Camera Modules</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373171/mcvitie-weston-valve-collection-movgec-valve-type-nt13x</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/321/large_smg00313057.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type NT13X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372687/mcvitie-weston-valve-collection-loewe-valve-type-la74</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/624/large_smg00263013.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type L.A.74</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374242/mcvitie-weston-valve-collection-westinghouse-valve-type-2a3</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/613/large_smg00313434.jpg</image:loc><image:title>McVitie Weston valve collection, Westinghouse valve, type 2A3</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/1/large_smg00313434.jpg</image:loc><image:title>McVitie Weston valve collection, Westinghouse valve, type 2A3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373095/mcvitie-weston-valve-collection-mullard-double-triode-experimental-valve</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/342/large_smg00262495.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard double triode experimental valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373405/mcvitie-weston-valve-collection-triotron-valve-type-p225</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/551/large_smg00257676.jpg</image:loc><image:title>McVitie Weston valve collection, Triotron valve, type P225</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374126/mcvitie-weston-valve-collection-valve-type-cv6</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/153/large_smg00257542.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373198/mcvitie-weston-valve-collection-bth-valve-type-at26</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/335/large_smg00313071.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type A.T.26</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636065/rf-ammeter-spare-for-2lo-transmitter-9</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/472/529/large_smg00306348.jpg</image:loc><image:title>RF Ammeter: spare for 2LO transmitter (9)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372493/mcvitie-weston-valve-collection-cosmos-valve-type-sp18</loc><lastmod>2026-01-09T15:23:36.630Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/252/large_smg00262639.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type S.P.18</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374177/mcvitie-weston-valve-collection-mazda-valve-type-vt50</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/194/large_smg00257585.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VT50</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372909/mcvitie-weston-valve-collection-tungsram-valve-type-hl4-plus</loc><lastmod>2026-01-09T15:23:36.727Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/981/large_smg00259781.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type HL4 plus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374051/mcvitie-weston-valve-collection-valve-type-arp4</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/934/large_smg00257859.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type ARP4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374178/mcvitie-weston-valve-collection-mazda-valve-type-vt50</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/195/large_smg00257586.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VT50</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910775/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/373/large_smg00722044__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/372/large_smg00722044__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373549/mcvitie-weston-valve-collection-mazda-valve-type-vp210</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/666/large_smg00257795.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VP210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373645/mcvitie-weston-valve-collection-mazda-valve-type-pen-220</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/793/large_smg00259592.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type Pen 220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373507/mcvitie-weston-valve-collection-mullard-valve-type-tsp4</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/624/large_smg00257751.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type TSP4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374038/mcvitie-weston-valve-collection-gecusa-valve-type-gl-211</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/235/large_smg00257626.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/USA valve, type GL-211</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373629/mcvitie-weston-valve-collection-stc-valve-type-4102d</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/777/large_smg00259575.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372842/mcvitie-weston-valve-collection-marconi-valve-type-kh1</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/755/large_smg00263145.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type KH1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384369/young-girl-in-profile</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373054/mcvitie-weston-valve-collection-radiofotos-grammont-valve-type-bc-150</loc><lastmod>2026-01-09T15:23:36.932Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/321/large_smg00262473.jpg</image:loc><image:title>McVitie Weston valve collection, Radiofotos Grammont valve, type B.C. 150</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374004/mcvitie-weston-valve-collection-mullard-valve-type-sp4b</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/445/large_smg00313185.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type SP4B</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/890/large_smg00313185.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type SP4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912732/wheelchair-joystick</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/598/large_smg00722268__0001_.jpg</image:loc><image:title>Wheelchair joystick</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373531/mcvitie-weston-valve-collection-movgec-valve-type-der</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/648/large_smg00257777.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type D.E.R.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910850/japanese-graphic-science-magazine-with-article-about-stephen-hawking</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/25/large_smg00722059__0005_.jpg</image:loc><image:title>Japanese graphic science magazine with article about Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/411/large_smg00722059__0004_.jpg</image:loc><image:title>Japanese graphic science magazine with article about Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/408/large_smg00722059__0001_.jpg</image:loc><image:title>Japanese graphic science magazine with article about Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/409/large_smg00722059__0002_.jpg</image:loc><image:title>Japanese graphic science magazine with article about Stephen Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/410/large_smg00722059__0003_.jpg</image:loc><image:title>Japanese graphic science magazine with article about Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242020/2001-de-gaussing-probe</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/681/large_smg00353384.jpg</image:loc><image:title>2001 De-Gaussing Probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373425/mcvitie-weston-valve-collection-double-diode-valve</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/627/large_smg00285387.jpg</image:loc><image:title>McVitie Weston valve collection, Double diode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372739/mcvitie-weston-valve-collection-penton-valve-type-he4</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/293/large_smg00313025.jpg</image:loc><image:title>McVitie Weston valve collection, Penton valve, type H.E.4</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/826/large_smg00313025.jpg</image:loc><image:title>McVitie Weston valve collection, Penton valve, type H.E.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637259/steel-rod-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/331/701/large_smg00183269.jpg</image:loc><image:title>Steel rod from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373384/mcvitie-weston-valve-collection-valve-type-x21</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/428/large_smg00262587.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type X.21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910580/annual-report-of-the-bulletin-of-the-atomic-scientists-organization-with-hawking-in-its-board-of-sponsors</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/627/large_smg00722015__0001_.jpg</image:loc><image:title>Annual Report of the Bulletin of the Atomic Scientists, organization with Hawking in its board of sponsors</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/628/large_smg00722015__0002_.jpg</image:loc><image:title>Annual Report of the Bulletin of the Atomic Scientists, organization with Hawking in its board of sponsors</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/631/large_smg00722015__0005_.jpg</image:loc><image:title>Annual Report of the Bulletin of the Atomic Scientists, organization with Hawking in its board of sponsors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241964/bbc-mu3a-mains-unit-for-oba8-sound-mixer</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/368/large_smg00221311.jpg</image:loc><image:title>BBC MU/3A Mains Unit for OBA/8 Sound Mixer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373717/mcvitie-weston-valve-collection-cunningham-valve-type-82</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/875/large_smg00259674.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type 82</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373545/mcvitie-weston-valve-collection-double-two-valve-type-lx230</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/662/large_smg00257791.jpg</image:loc><image:title>McVitie Weston valve collection, Double Two valve, type LX230</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122086/baby-food-for-over-four-months-old</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/687/large_smg00167470.jpg</image:loc><image:title>Baby food, for over four months old</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373903/mcvitie-weston-valve-collection-rogers-valve-type-vr54</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/314/large_smg00261378.jpg</image:loc><image:title>McVitie Weston valve collection, Rogers valve, type V.R.54</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637234/twenty-six-metal-components-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/942/large_smg00183287.jpg</image:loc><image:title>Twenty-six metal components from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372751/mcvitie-weston-valve-collection-scott-taggart-valve-type-st62</loc><lastmod>2026-01-09T15:23:37.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/683/large_smg00263072.jpg</image:loc><image:title>McVitie Weston valve collection, Scott Taggart valve, type ST62</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/740/large_smg00263072.jpg</image:loc><image:title>McVitie Weston valve collection, Scott Taggart valve, type ST62</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372713/mcvitie-weston-valve-collection-dario-resistron-valve</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/650/large_smg00263039.jpg</image:loc><image:title>McVitie Weston valve collection, Dario Resistron valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/707/large_smg00263039.jpg</image:loc><image:title>McVitie Weston valve collection, Dario Resistron valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372871/mcvitie-weston-valve-collection-mazda-valve-type-ac2hl</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/938/large_smg00259737.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC2/HL</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372376/mcvitie-weston-valve-collection-telefunken-valve-type-eve173</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/277/large_smg00313009.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EVE173</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/810/large_smg00313009.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EVE173</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8643073/nt46-or-nt57-silica-triode-valve-from-the-early-ground-radar-transmitter-type-tf3-1936</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/462/687/large_smg00279961.jpg</image:loc><image:title>NT46 or NT57 silica triode valve from the early ground radar transmitter type TF3, 1936</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911740/rheostat-for-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372788/mcvitie-weston-valve-collection-western-electric-valve-type-208a</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/482/large_smg00313225.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 208A</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/924/large_smg00313225.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 208A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384472/portrait-of-a-woman</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372694/mcvitie-weston-valve-collection-frelat-valve</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/631/large_smg00263020.jpg</image:loc><image:title>McVitie Weston valve collection, Frelat valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373816/mcvitie-weston-valve-collection-valve-type-nr38</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/296/large_smg00258029.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR38</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8647093/data-general-nova-210-minicomputer</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/726/333/large_smg00448716.jpg</image:loc><image:title>Data General Nova 2/10 minicomputer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373406/mcvitie-weston-valve-collection-osram-valve-type-pt2</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/552/large_smg00257677.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373917/mcvitie-weston-valve-collection-valve-type-6k8g</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/375/large_smg00259461.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6K8G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373014/mcvitie-weston-valve-collection-philco-valve-type-36e</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/93/large_smg00259914.jpg</image:loc><image:title>McVitie Weston valve collection, Philco valve, type 36E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373569/mcvitie-weston-valve-collection-telefunken-valve-type-ef11</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/691/large_smg00257821.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EF11</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372691/mcvitie-weston-valve-collection-ultra-valve-type-u110</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/628/large_smg00263017.jpg</image:loc><image:title>McVitie Weston valve collection, Ultra valve, type U.110</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373368/mcvitie-weston-valve-collection-valve-type-x23</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/418/large_smg00262577.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type X.23</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910574/journal-of-the-royal-astronomical-society-of-canada-from-june-2017</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/611/large_smg00722009__0003_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from June 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/610/large_smg00722009__0002_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from June 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/609/large_smg00722009__0001_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from June 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373356/mcvitie-weston-valve-collection-gecosram-valve</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/410/large_smg00262569.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/Osram valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372657/mcvitie-weston-valve-collection-cunningham-valve-type-cx-350</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/415/large_smg00262802.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type CX 350</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373926/mcvitie-weston-valve-collection-osram-valve-type-x64</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/384/large_smg00259470.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type X64</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373898/mcvitie-weston-valve-collection-western-electric-valve-type-705a</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/317/large_smg00261381.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 705A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372603/mcvitie-weston-valve-collection-western-electric-valve-type-101-b</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/471/large_smg00263176.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101-B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373292/mcvitie-weston-valve-collection-braun-wehnelt-tube-valve</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373385/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/429/large_smg00262588.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373867/mcvitie-weston-valve-collection-sylvania-valve-type-5ze</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/370/large_smg00259456.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 5ZE</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373281/mcvitie-weston-valve-collection-neon-indicator-lamp-valve</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/383/large_smg00262542.jpg</image:loc><image:title>McVitie Weston valve collection, Neon Indicator Lamp valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373247/mcvitie-weston-valve-collection-stc-valve-type-4282-b</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/949/large_smg00259359.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4282 B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373394/mcvitie-weston-valve-collection-king-valve</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/438/large_smg00262597.jpg</image:loc><image:title>McVitie Weston valve collection, King valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373264/mcvitie-weston-valve-collection-mullard-valve-type-nu22</loc><lastmod>2026-01-09T15:23:37.927Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636229/spare-mr6-valve-for-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373738/mcvitie-weston-valve-collection-x-ray-tube-valve</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/224/large_smg00257615.jpg</image:loc><image:title>McVitie Weston valve collection, X-Ray tube valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384381/contractor-holding-plans</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374208/mcvitie-weston-valve-collection-marconi-wt-co-catkin-valve-type-mpt4</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/582/large_smg00313400.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Catkin valve, type MPT4</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/973/large_smg00313400.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co Catkin valve, type MPT4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373877/mcvitie-weston-valve-collection-ken-rad-valve-type-58</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/289/large_smg00261352.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 58</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373105/mcvitie-weston-valve-collection-ediswan-four-anode-fleming-valve-valve</loc><lastmod>2026-01-09T15:23:38.003Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/282/large_smg00313014.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan four-anode Fleming Valve valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/815/large_smg00313014.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan four-anode Fleming Valve valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241895/marconi-mk-iv-sync-pulse-unit</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/589/large_smg00221674.jpg</image:loc><image:title>Marconi Mk IV Sync Pulse Unit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373939/mcvitie-weston-valve-collection-osram-valve-type-nr44</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/402/large_smg00281534.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR44</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373090/mcvitie-weston-valve-collection-tekade-valve-type-vt126</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/338/large_smg00262491.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type VT126</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373495/mcvitie-weston-valve-collection-cossor-valve-type-210-spt</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372867/mcvitie-weston-valve-collection-mazda-valve-type-acp</loc><lastmod>2026-01-09T15:23:38.253Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/933/large_smg00259732.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/P</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373053/mcvitie-weston-valve-collection-dario-tetrode-valve-type-sg</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/320/large_smg00262472.jpg</image:loc><image:title>McVitie Weston valve collection, Dario Tetrode valve, type S.G.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637176/fiberous-component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372850/mcvitie-weston-valve-collection-mov-valve-type-mh4</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/931/large_smg00259730.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type MH4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374257/mcvitie-weston-valve-collection-valve-type-vu133</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/258/large_smg00257652.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU133</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373492/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-77</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/608/large_smg00257735.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 77</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373914/mcvitie-weston-valve-collection-valve-type-vu39a</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/373/large_smg00259459.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU39A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372925/mcvitie-weston-valve-collection-mullard-tetrode-valve-type-r</loc><lastmod>2026-01-09T15:23:38.548Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/999/large_smg00259799.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard tetrode valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372666/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux-250</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/278/large_smg00313010.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX-250</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/811/large_smg00313010.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX-250</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910737/tray</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/385/large_smg00722050__0001_.jpg</image:loc><image:title>Tray</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/386/large_smg00722050__0002_.jpg</image:loc><image:title>Tray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373739/mcvitie-weston-valve-collection-jackson-x-ray-tube-valve</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/578/large_smg00283630.jpg</image:loc><image:title>McVitie Weston valve collection, Jackson X-Ray tube valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372499/mcvitie-weston-valve-collection-cosmos-valve-type-sp-16-red</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/258/large_smg00262645.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type SP 16 Red</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373588/mcvitie-weston-valve-collection-mazda-valve-type-actp</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/728/large_smg00259497.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/TP</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372633/mcvitie-weston-valve-collection-stc-valve-type-es-755-1</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/412/large_smg00262799.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type E.S. 755-1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121973/two-plastic-nipple-shields</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/467/126/large_smg00167827.jpg</image:loc><image:title>Two plastic nipple shields</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372609/mcvitie-weston-valve-collection-western-electric-valve-type-102-d</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/477/large_smg00263182.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 102-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637202/metal-rod-component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/958/large_smg00184876.jpg</image:loc><image:title>Metal rod component from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373063/mcvitie-weston-valve-collection-loewe-valve-type-rnf7</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/289/large_smg00262440.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type RNF7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384425/emily-c-ainger</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912741/infrared-sound-touch-switch-for-communications-by-words</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/615/large_smg00722277__0001_.jpg</image:loc><image:title>Infrared / Sound / Touch switch for communications by Words+</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/616/large_smg00722277__0002_.jpg</image:loc><image:title>Infrared / Sound / Touch switch for communications by Words+</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373944/mcvitie-weston-valve-collection-ken-rad-valve-type-vt-65</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/396/large_smg00281527.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type VT-65</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372861/mcvitie-weston-valve-collection-metrovick-valve-type-kliacr</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/458/large_smg00263163.jpg</image:loc><image:title>McVitie Weston valve collection, Metrovick valve, type KLI.AC/R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372843/mcvitie-weston-valve-collection-osram-valve-type-kh1</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/756/large_smg00263146.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KH1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373568/mcvitie-weston-valve-collection-mullard-valve-type-pen26</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/690/large_smg00257820.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PEN26</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372621/mcvitie-weston-valve-collection-stc-valve-type-4211ex</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/356/large_smg00262743.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4211EX</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384361/boy-holding-a-hat</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373316/mcvitie-weston-valve-collection-cossor-cathode-ray-tube-valve-type-3232c</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/229/large_smg00257917.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor Cathode Ray Tube valve, type 3232C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372969/mcvitie-weston-valve-collection-osram-valve-type-ms4b</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/42/large_smg00259859.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MS4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777487/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372780/mcvitie-weston-valve-collection-valve-type-pova-no-1</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/478/large_smg00313220.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type PO/VA No. 1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/920/large_smg00313220.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type PO/VA No. 1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372661/mcvitie-weston-valve-collection-rvc-radiotron-valve-type-uy-199</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/388/large_smg00262775.jpg</image:loc><image:title>McVitie Weston valve collection, RVC Radiotron valve, type UY-199</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372636/mcvitie-weston-valve-collection-stc-valve</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/490/large_smg00263195.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374328/mcvitie-weston-valve-collection-mullard-valve</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/585/large_smg00263735.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374320/mcvitie-weston-valve-collection-ediswan-valve-type-d2x</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/591/large_smg00263741.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type D2X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912738/hand-controller-made-by-possum</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/609/large_smg00722274__0001_.jpg</image:loc><image:title>Hand controller made by Possum</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/610/large_smg00722274__0002_.jpg</image:loc><image:title>Hand controller made by Possum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241935/power-supply-backpack-for-television-camera</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372841/mcvitie-weston-valve-collection-marconi-valve-type-kl1</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/272/large_smg00313004.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type KL1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/806/large_smg00313004.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type KL1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241956/pye-mk-ii-405-line-monitor</loc><lastmod>2026-01-09T15:23:39.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/697/large_smg00221784.jpg</image:loc><image:title>Pye Mk II 405 Line Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374110/mcvitie-weston-valve-collection-valve-type-vu72</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/163/large_smg00257553.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU72</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373004/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-24a</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/83/large_smg00259904.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 24A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384368/balding-man</loc><lastmod>2026-01-09T15:23:39.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372919/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-5rr1lfa</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/992/large_smg00259792.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type 5RR1L.F.(A)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373524/mcvitie-weston-valve-collection-raytheon-valve-type-79</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/641/large_smg00257770.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 79</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911438/analogue-signal-processor-for-infrared-cheek-sensor-serialized</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/509/large_smg00722152__0002_.jpg</image:loc><image:title>Analogue signal processor for infrared cheek sensor (serialized)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/508/large_smg00722152__0001_.jpg</image:loc><image:title>Analogue signal processor for infrared cheek sensor (serialized)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374155/mcvitie-weston-valve-collection-tung-sol-valve-type-846z4</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/173/large_smg00257563.jpg</image:loc><image:title>McVitie Weston valve collection, Tung-Sol valve, type 84/6Z4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372597/mcvitie-weston-valve-collection-western-electric-wecovalve-valve-type-4215a</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/468/large_smg00263173.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric Wecovalve valve, type 4215A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373876/mcvitie-weston-valve-collection-rca-valve-type-6b7</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/298/large_smg00261361.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6B7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372513/mcvitie-weston-valve-collection-bth-mazda-valve-type-hf210</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/269/large_smg00262656.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type H.F.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373770/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/921/large_smg00259720.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373910/mcvitie-weston-valve-collection-mullard-valve-type-cy31</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/282/large_smg00259310.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type CY31</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372939/mcvitie-weston-valve-collection-siemens-halske-valve-type-gelr16a</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/13/large_smg00259813.jpg</image:loc><image:title>McVitie Weston valve collection, Siemens-Halske valve, type G.elr.16a</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373616/mcvitie-weston-valve-collection-mullard-valve-type-354v</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/764/large_smg00259562.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 354V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518093/power-leads-for-microdensitometer</loc><lastmod>2026-01-09T15:23:39.698Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373600/mcvitie-weston-valve-collection-mazda-valve-type-sp215</loc><lastmod>2026-01-09T15:23:39.837Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/743/large_smg00259512.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type SP215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372622/mcvitie-weston-valve-collection-stc-valve-type-4212d</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/483/984/large_smg00261096.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4212D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372967/mcvitie-weston-valve-collection-osram-valve-type-ms4</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/40/large_smg00259857.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type M.S.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372807/mcvitie-weston-valve-collection-stc-valve-type-4102d</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/489/large_smg00313232.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/931/large_smg00313232.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911741/small-black-plastic-cone</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/552/large_smg00722190__0002_.jpg</image:loc><image:title>Small black plastic cone</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/551/large_smg00722190__0001_.jpg</image:loc><image:title>Small black plastic cone</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384406/girl-seated-with-urn</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372817/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no41</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/270/large_smg00313002.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No.41</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/804/large_smg00313002.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No.41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372520/mcvitie-weston-valve-collection-bth-mazda-valve-type-p615</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/276/large_smg00262663.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type P.615</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241926/marconi-v6-114-mono-television-monitor</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373047/mcvitie-weston-valve-collection-tungsram-sunbeam-valve-type-se2018</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/315/large_smg00262466.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram Sunbeam valve, type SE2018</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372740/mcvitie-weston-valve-collection-cossor-valve-type-de</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/670/large_smg00263059.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type DE</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/727/large_smg00263059.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type DE</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373386/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/430/large_smg00262589.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635959/iron-ore-from-langban-mines-wermland-sweden</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/798/large_smg00080263.jpg</image:loc><image:title>Iron ore from Långban Mines, Wermland, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372679/mcvitie-weston-valve-collection-telefunken-valve-type-re97</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/617/large_smg00263006.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type RE97</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373428/mcvitie-weston-valve-collection-valve-type-r</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/526/large_smg00313280.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372511/mcvitie-weston-valve-collection-bth-mazda-valve-type-gp607</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/267/large_smg00262654.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type G.P.607</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910554/journal-of-the-royal-astronomical-society-of-canada-from-april-2017</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/563/large_smg00721994__0002_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from April 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/564/large_smg00721994__0003_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from April 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/562/large_smg00721994__0001_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from April 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246694/image-orthicon-and-television-camera-power-unit-pye</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/174/large_smg00221238.jpg</image:loc><image:title>Image Orthicon and Television Camera Power Unit, Pye</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373484/mcvitie-weston-valve-collection-mazda-valve-type-actp</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/598/large_smg00257725.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/TP</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384366/young-man</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384464/portrait-of-e-darcy-irving</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373082/mcvitie-weston-valve-collection-rca-valve-type-46</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/330/large_smg00262483.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 46</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373963/mcvitie-weston-valve-collection-stc-valve-type-g1502d</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/406/large_smg00313146.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type G150/2D</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/853/large_smg00313146.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type G150/2D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912748/proprietary-lock-for-words-communications-equipment</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/627/large_smg00722284__0001_.jpg</image:loc><image:title>Proprietary lock for Words+ communications equipment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/628/large_smg00722284__0002_.jpg</image:loc><image:title>Proprietary lock for Words+ communications equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372618/mcvitie-weston-valve-collection-western-electric-valve-type-205-d</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/486/large_smg00263191.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 205-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372860/mcvitie-weston-valve-collection-mov-valve-type-vt-no-90</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/457/large_smg00263162.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type VT No 90</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373540/mcvitie-weston-valve-collection-mullard-valve</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/657/large_smg00257786.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372724/mcvitie-weston-valve-collection-lissen-valve-type-p220</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/661/large_smg00263050.jpg</image:loc><image:title>McVitie Weston valve collection, Lissen valve, type P220</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/718/large_smg00263050.jpg</image:loc><image:title>McVitie Weston valve collection, Lissen valve, type P220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373195/mcvitie-weston-valve-collection-gec-valve-type-at25x2</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/451/large_smg00313193.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type AT25X2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/894/large_smg00313193.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type AT25X2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373208/mcvitie-weston-valve-collection-movgec-valve-type-at40x</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/460/large_smg00313202.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type AT40X</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/903/large_smg00313202.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type AT40X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8642408/3-dispensing-bottle-tops</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372634/mcvitie-weston-valve-collection-western-electric-valve-type-cw-1344</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/363/large_smg00262750.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type CW-1344</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8781776/a-hollow-fire-making-appliance</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/485/856/large_smg00297253.jpg</image:loc><image:title>A hollow fire-making appliance</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374078/mcvitie-weston-valve-collection-movgec-valve-type-nr51</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373783/mcvitie-weston-valve-collection-valve-type-cv981</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/284/large_smg00258013.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV981</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373011/mcvitie-weston-valve-collection-brunswick-valve-type-236</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/90/large_smg00259911.jpg</image:loc><image:title>McVitie Weston valve collection, Brunswick valve, type 236</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373258/mcvitie-weston-valve-collection-osram-valve-type-pt6</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/945/large_smg00259355.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373901/mcvitie-weston-valve-collection-sylvania-valve-type-6j6</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/312/large_smg00261376.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 6J6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373712/mcvitie-weston-valve-collection-western-electric-valve-type-216a</loc><lastmod>2026-01-09T15:23:40.664Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/869/large_smg00259668.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 216A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372912/mcvitie-weston-valve-collection-dario-super-valve-type-hf-ih</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/984/large_smg00259784.jpg</image:loc><image:title>McVitie Weston valve collection, Dario Super valve, type H.F. I.H.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373442/mcvitie-weston-valve-collection-bth-valve-type-ck2</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/312/large_smg00313047.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type CK2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/319/large_smg00313047.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type CK2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372800/mcvitie-weston-valve-collection-bth-valve-type-b5</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/722/large_smg00263112.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type B5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372770/mcvitie-weston-valve-collection-louden-valve-type-feri</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/702/large_smg00263091.jpg</image:loc><image:title>McVitie Weston valve collection, Louden valve, type F.E.R.I.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/759/large_smg00263091.jpg</image:loc><image:title>McVitie Weston valve collection, Louden valve, type F.E.R.I.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373956/mcvitie-weston-valve-collection-valve-type-cv43</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/407/large_smg00281539.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV43</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373387/mcvitie-weston-valve-collection-king-valve-type-k6</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/431/large_smg00262590.jpg</image:loc><image:title>McVitie Weston valve collection, King valve, type K.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384410/two-ambrotypes-butler-and-housekeeper-and-boy-with-basket</loc><lastmod>2026-01-09T15:23:40.730Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373734/mcvitie-weston-valve-collection-stc-micromesh-valve-type-pa1</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/892/large_smg00259691.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type PA1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372820/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-66</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/736/large_smg00263126.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No. 66</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373831/mcvitie-weston-valve-collection-osram-valve-type-nr15a</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/340/large_smg00259426.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR15A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372613/mcvitie-weston-valve-collection-western-electric-valve-type-203-a</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/481/large_smg00263186.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 203-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373700/mcvitie-weston-valve-collection-telefunken-valve-type-el12</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/857/large_smg00259656.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type EL12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374047/mcvitie-weston-valve-collection-osram-valve-type-nr42</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/938/large_smg00257863.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374268/mcvitie-weston-valve-collection-valve-type-cv64</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/702/large_smg00257975.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV64</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372480/mcvitie-weston-valve-collection-ediswan-valve-type-lf410</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/244/large_smg00262631.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type L.F.410</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242052/camera-control-units</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372795/mcvitie-weston-valve-collection-movgec-valve-type-vt-no-25</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/717/large_smg00263107.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VT No. 25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384399/young-man-in-bowtie</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373318/mcvitie-weston-valve-collection-cossor-valve-type-3234j</loc><lastmod>2026-01-09T15:23:40.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373788/mcvitie-weston-valve-collection-valve-type-cv1039</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/280/large_smg00258009.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1039</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372721/mcvitie-weston-valve-collection-splendor-valve-type-h612</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/658/large_smg00263047.jpg</image:loc><image:title>McVitie Weston valve collection, Splendor valve, type H.612</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/715/large_smg00263047.jpg</image:loc><image:title>McVitie Weston valve collection, Splendor valve, type H.612</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242030/valves-and-other-equipment-for-television-cameras</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/532/79/large_smg00354181.jpg</image:loc><image:title>Valves and Other Equipment for Television Cameras</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372708/mcvitie-weston-valve-collection-triotron-valve-type-e235</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/645/large_smg00263034.jpg</image:loc><image:title>McVitie Weston valve collection, Triotron valve, type E235</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/702/large_smg00263034.jpg</image:loc><image:title>McVitie Weston valve collection, Triotron valve, type E235</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373655/mcvitie-weston-valve-collection-dario-valve-type-te434</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/803/large_smg00259602.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve, type TE434</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373658/mcvitie-weston-valve-collection-brimar-valve-type-15d1</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/804/large_smg00259603.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 15D1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372375/mcvitie-weston-valve-collection-telefunken-valve-type-env171</loc><lastmod>2026-01-09T15:23:41.166Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/554/large_smg00262943.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type ENV171</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372934/mcvitie-weston-valve-collection-dario-valve-type-303m</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/8/large_smg00259808.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve, type 303M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373514/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-6f7</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/631/large_smg00257758.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 6F7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373240/mcvitie-weston-valve-collection-gec-split-anode-magnetron-valve-type-e465</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374149/mcvitie-weston-valve-collection-valve-type-nr87</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/148/large_smg00257537.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR87</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374049/mcvitie-weston-valve-collection-valve-type-vr65</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/936/large_smg00257861.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR65</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384443/officer</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374085/mcvitie-weston-valve-collection-valve-type-cv1065</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/970/large_smg00257896.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1065</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242053/marconi-mk-iii-lens-kit</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373371/mcvitie-weston-valve-collection-western-electric-valve-type-1-a</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/265/large_smg00257994.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 1-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373413/mcvitie-weston-valve-collection-tungsram-valve-type-pp610</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/559/large_smg00257684.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type PP610</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372760/mcvitie-weston-valve-collection-puratone-rubon-valve</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/692/large_smg00263081.jpg</image:loc><image:title>McVitie Weston valve collection, Puratone Rubon valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/749/large_smg00263081.jpg</image:loc><image:title>McVitie Weston valve collection, Puratone Rubon valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373707/mcvitie-weston-valve-collection-loewe-valve</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/864/large_smg00259663.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911418/chicken-gravy-granules</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/914/large_smg00722117__0001_.jpg</image:loc><image:title>Chicken gravy granules</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910558/physics-world-magazine-issue-from-january-2017</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/578/large_smg00721998__0003_.jpg</image:loc><image:title>Physics World magazine issue from January 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/576/large_smg00721998__0001_.jpg</image:loc><image:title>Physics World magazine issue from January 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/577/large_smg00721998__0002_.jpg</image:loc><image:title>Physics World magazine issue from January 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374158/mcvitie-weston-valve-collection-mov-valve-type-nr64</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/176/large_smg00257566.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR64</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372358/mcvitie-weston-valve-collection-ferranti-extraudion-valve</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/534/large_smg00262923.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti Extraudion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384379/man-seated</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8641766/three-detachable-wheel-shields-from-the-alcock-and-browns-vickers-vimy-biplane</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373723/mcvitie-weston-valve-collection-hytron-valve-type-vr53</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/882/large_smg00259681.jpg</image:loc><image:title>McVitie Weston valve collection, Hytron valve, type VR53</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374067/mcvitie-weston-valve-collection-valve-type-nv12</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/948/large_smg00257873.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NV12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373684/mcvitie-weston-valve-collection-brimar-valve-type-25u4gt</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/836/large_smg00259635.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 25U4GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372619/mcvitie-weston-valve-collection-stc-valve-type-4205e</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/487/large_smg00263192.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4205E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372923/mcvitie-weston-valve-collection-marconi-osram-valve-type-bg4</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/997/large_smg00259797.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi-Osram valve, type BG4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373422/mcvitie-weston-valve-collection-osram-valve-type-d41</loc><lastmod>2026-01-09T15:23:41.892Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/624/large_smg00285384.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type D41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384400/girl-with-hoop</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374269/mcvitie-weston-valve-collection-mov-valve-type-nt18</loc><lastmod>2026-01-09T15:23:41.886Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/703/large_smg00257976.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NT18</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246659/rack-mounted-focus-power-supply-unit-marconi-mk-iii</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/353/large_smg00221273.jpg</image:loc><image:title>Rack Mounted Focus Power Supply Unit, Marconi MK III</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373437/mcvitie-weston-valve-collection-benjamin-valve-type-sp18green</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/534/large_smg00313288.jpg</image:loc><image:title>McVitie Weston valve collection, Benjamin valve, type S.P.18.GREEN</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/352/large_smg00313288.jpg</image:loc><image:title>McVitie Weston valve collection, Benjamin valve, type S.P.18.GREEN</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373210/mcvitie-weston-valve-collection-movgec-valve-type-at50</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/315/large_smg00259312.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type AT.50</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372369/mcvitie-weston-valve-collection-aeg-valve-type-k6</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/549/large_smg00262938.jpg</image:loc><image:title>McVitie Weston valve collection, AEG valve, type K6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373076/mcvitie-weston-valve-collection-ediswan-valve-type-bts215</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/324/large_smg00262477.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type B.T.S.215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909926/synthesizer-voice-emulation-prototype</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/548/large_smg00721947__0001_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373135/mcvitie-weston-valve-collection-gecusa-valve-type-cg1162</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372972/mcvitie-weston-valve-collection-osram-valve-type-vms4</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/48/large_smg00259865.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type VMS4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374027/mcvitie-weston-valve-collection-cossor-valve-type-210hl</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/916/large_smg00257841.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 210H.L.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372887/mcvitie-weston-valve-collection-mullard-valve-type-244v</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/956/large_smg00259756.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 244V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372734/mcvitie-weston-valve-collection-europa-valve-type-sp460</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/292/large_smg00313024.jpg</image:loc><image:title>McVitie Weston valve collection, Europa valve, type SP460</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/825/large_smg00313024.jpg</image:loc><image:title>McVitie Weston valve collection, Europa valve, type SP460</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373667/mcvitie-weston-valve-collection-brimar-valve-type-vt61a</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/813/large_smg00259612.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type V.T.61.A.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241978/bbc-mn6-waveform-monitor</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/277/large_smg00221163.jpg</image:loc><image:title>BBC MN6 Waveform Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372996/mcvitie-weston-valve-collection-mullard-valve-type-s4vb</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/75/large_smg00259896.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type S4VB</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374265/mcvitie-weston-valve-collection-valve-type-cv15</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/699/large_smg00257972.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518082/four-rubber-feet-for-microdensitometer</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373895/mcvitie-weston-valve-collection-valve-type-vr78</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/305/large_smg00261368.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR78</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/483/997/large_smg00261368.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR78</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241952/pye-mk-iii-line-monitor</loc><lastmod>2026-01-09T15:23:42.186Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/282/large_smg00221168.jpg</image:loc><image:title>Pye Mk III Line Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373513/mcvitie-weston-valve-collection-dario-valve-type-te444</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/630/large_smg00257757.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve, type TE444</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372905/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-56</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/977/large_smg00259777.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 56</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374106/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-hl2</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/159/large_smg00257549.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type HL2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374095/mcvitie-weston-valve-collection-valve-type-vr109</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/987/large_smg00257913.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.109</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373395/mcvitie-weston-valve-collection-valve-type-m62</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/221/large_smg00257612.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type M62</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373257/mcvitie-weston-valve-collection-western-electric-valve-type-306a</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/946/large_smg00259356.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 306A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372966/mcvitie-weston-valve-collection-osram-valve-type-s8</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/39/large_smg00259856.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type S8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374216/mcvitie-weston-valve-collection-valve-type-6k7gt</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/587/large_smg00313408.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6K7GT</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/978/large_smg00313408.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6K7GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384487/portrait-of-a-young-man</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373727/mcvitie-weston-valve-collection-brimar-valve-type-5z4gt</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/886/large_smg00259685.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 5Z4GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373165/mcvitie-weston-valve-collection-small-transmitting-triode-valve</loc><lastmod>2026-01-09T15:23:42.416Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/317/large_smg00313052.jpg</image:loc><image:title>McVitie Weston valve collection, Small transmitting triode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247035/glass-specimen-jar-one-of-eleven-empty-english</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373493/mcvitie-weston-valve-collection-cossor-valve-type-ddpen</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/610/large_smg00257737.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type D.D.PEN</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374260/mcvitie-weston-valve-collection-mov-valve-type-nr47</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/242/large_smg00257633.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR47</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912737/hand-controller-made-by-possum</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/607/large_smg00722273__0001_.jpg</image:loc><image:title>Hand controller made by Possum</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/608/large_smg00722273__0002_.jpg</image:loc><image:title>Hand controller made by Possum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372699/mcvitie-weston-valve-collection-six-sixty-valve-type-ss8</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/636/large_smg00263025.jpg</image:loc><image:title>McVitie Weston valve collection, Six-Sixty valve, type S.S.8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384395/boy-holding-a-daguerreotype</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910891/invitation-from-the-institute-of-physics-2016</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/430/large_smg00722081__0002_.jpg</image:loc><image:title>Invitation from the Institute of Physics, 2016</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/429/large_smg00722081__0001_.jpg</image:loc><image:title>Invitation from the Institute of Physics, 2016</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373861/mcvitie-weston-valve-collection-osram-valve-type-nr31</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/365/large_smg00259451.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR31</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384438/babbitts-view-of-niagra</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372936/mcvitie-weston-valve-collection-tungsram-valve-type-dg210</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/10/large_smg00259810.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type DG210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241911/marconi-mk-ii-monitor</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384428/boy-wearing-a-top-hat</loc><lastmod>2026-01-09T15:23:43.930Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242019/two-marconi-television-camera-power-supply-unit-circuit-boards</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/676/large_smg00353379.jpg</image:loc><image:title>Two Marconi Television Camera Power Supply Unit Circuit Boards</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373868/mcvitie-weston-valve-collection-sylvania-valve-type-5ze</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/371/large_smg00259457.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 5ZE</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373085/mcvitie-weston-valve-collection-raytheon-valve-type-6b5</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/333/large_smg00262486.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 6B5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374165/mcvitie-weston-valve-collection-cossor-valve-type-vr19</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373654/mcvitie-weston-valve-collection-mov-valve-type-e633</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/802/large_smg00259601.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type E633</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373787/mcvitie-weston-valve-collection-mov-valve-type-cv1182</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/276/large_smg00258005.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type CV1182</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373265/mcvitie-weston-valve-collection-valve-type-vt506</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/305/large_smg00258041.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VT506</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384344/portrait-of-a-young-man</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246408/kch-1000-hdtv-camera</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/365/large_smg00221308.jpg</image:loc><image:title>KCH 1000 HDTV camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373999/mcvitie-weston-valve-collection-mazda-valve-type-artp1</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/440/large_smg00313180.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type ARTP.1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/885/large_smg00313180.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type ARTP.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372940/mcvitie-weston-valve-collection-siemens-halske-valve-type-or</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/14/large_smg00259814.jpg</image:loc><image:title>McVitie Weston valve collection, Siemens-Halske valve, type OR</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372665/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux210</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/393/large_smg00262780.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246664/focus-power-supply-studio-version-marconi-mk-iii</loc><lastmod>2026-01-09T15:23:43.974Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/354/large_smg00221274.jpg</image:loc><image:title>Focus Power Supply, Studio Version, Marconi MK III</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372890/mcvitie-weston-valve-collection-mullard-valve-type-hl20</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/960/large_smg00259760.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type HL20</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911367/case-and-accessories-for-eclair-npr-16mm-cine-camera</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/346/large_smg00446756.jpg</image:loc><image:title>Case and Accessories for Eclair NPR 16mm Cine Camera.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373833/mcvitie-weston-valve-collection-valve-type-kt61</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/341/large_smg00259427.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type KT61</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910559/physics-world-magazine-issue-including-analysis-of-stephen-hawkings-last-work-on-the-black-hole-information-paradox</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/579/large_smg00721999__0001_.jpg</image:loc><image:title>Physics World magazine issue including analysis of Stephen Hawking&apos;s last work on the black hole information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/581/large_smg00721999__0003_.jpg</image:loc><image:title>Physics World magazine issue including analysis of Stephen Hawking&apos;s last work on the black hole information paradox</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/580/large_smg00721999__0002_.jpg</image:loc><image:title>Physics World magazine issue including analysis of Stephen Hawking&apos;s last work on the black hole information paradox</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373688/mcvitie-weston-valve-collection-stc-valve-type-ls723</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/844/large_smg00259643.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type LS723</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373253/mcvitie-weston-valve-collection-rca-radiotron-valve-type-802</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/948/large_smg00259358.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 802</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121950/wickerwork-cradle</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373852/mcvitie-weston-valve-collection-osram-valve-type-nr27a</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/901/large_smg00257646.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR27A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372948/mcvitie-weston-valve-collection-aneloy-valve-type-ap412p</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/23/large_smg00259823.jpg</image:loc><image:title>McVitie Weston valve collection, Aneloy valve, type A.P.412P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373807/mcvitie-weston-valve-collection-valve-type-6q7g</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373383/mcvitie-weston-valve-collection-valve-type-x14</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/427/large_smg00262586.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type X.14</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373824/mcvitie-weston-valve-collection-valve-type-vr100</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/245/large_smg00257935.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR100</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373933/mcvitie-weston-valve-collection-rca-valve-type-6g6g</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/390/large_smg00259476.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6G6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372799/mcvitie-weston-valve-collection-movgec-valve-type-vt-no-28</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/721/large_smg00263111.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VT No. 28</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372844/mcvitie-weston-valve-collection-marconi-valve-type-kl1</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/757/large_smg00263147.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type KL1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384831/portrait-bust-of-lord-kelvin-1896</loc><lastmod>2026-01-09T15:23:44.262Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/65/318/large_1969_0296_0001__0002_.jpg</image:loc><image:title>Portrait bust of Lord Kelvin, 1896</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/65/317/large_1969_0296_0001__0001_.jpg</image:loc><image:title>Portrait bust of Lord Kelvin, 1896</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/65/320/large_1969_0296_0001__0004_.jpg</image:loc><image:title>Portrait bust of Lord Kelvin, 1896</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/65/321/large_1969_0296_0001__0005_.jpg</image:loc><image:title>Portrait bust of Lord Kelvin, 1896</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/65/319/large_1969_0296_0001__0003_.jpg</image:loc><image:title>Portrait bust of Lord Kelvin, 1896</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372593/mcvitie-weston-valve-collection-bsa-standard-valve-type-p425</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/464/large_smg00263169.jpg</image:loc><image:title>McVitie Weston valve collection, BSA Standard valve, type P425</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241891/fujinon-tv-zoom-lens-for-link-130-television-camera</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241933/television-camera-backpack</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518075/electronic-switch-box-for-microdensitometer</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373192/mcvitie-weston-valve-collection-cossor-valve-type-at25</loc><lastmod>2026-01-09T15:23:44.582Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/466/large_smg00313208.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type A.T.25</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/908/large_smg00313208.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type A.T.25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374039/mcvitie-weston-valve-collection-valve-type-cv171</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/581/large_smg00283633.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV171</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373891/mcvitie-weston-valve-collection-valve-type-vu508</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/316/large_smg00261380.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU508</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373784/mcvitie-weston-valve-collection-valve-type-cv1410</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/281/large_smg00258010.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1410</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373086/mcvitie-weston-valve-collection-national-union-valve-type-12a7</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/334/large_smg00262487.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 12A7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373516/mcvitie-weston-valve-collection-cossor-valve-type-210-vpt</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384470/portrait-of-children-claudets</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373603/mcvitie-weston-valve-collection-mazda-valve-type-tp2620</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/747/large_smg00259545.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type TP2620</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241932/television-camera-mounting-cradle</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122427/stiffened-white-linen-nurses-collars</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637206/metal-chain-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/929/large_smg00183262.jpg</image:loc><image:title>Metal chain from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372667/mcvitie-weston-valve-collection-rca-radiotron-valve-type-841</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/394/large_smg00262781.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 841</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911737/cable-guard-for-desktop-computer</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/527/large_smg00722170__0001_.jpg</image:loc><image:title>Cable guard for desktop computer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373678/mcvitie-weston-valve-collection-tungsram-valve-type-app4g</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/830/large_smg00259629.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type APP4G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384392/portrait-of-a-man</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120938/medicine-glass-and-minim-measure-1870-1930</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/423/large_1982_0561_0004.jpg</image:loc><image:title>Medicine glass and minim measure, 1870-1930</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/756/large_smg00166787.jpg</image:loc><image:title>Medicine glass and minim measure, 1870-1930</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373347/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/402/large_smg00262561.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373779/mcvitie-weston-valve-collection-valve-type-vcr-138a</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/272/large_smg00258001.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VCR 138A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372758/mcvitie-weston-valve-collection-britannia-valve-type-hf</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/690/large_smg00263079.jpg</image:loc><image:title>McVitie Weston valve collection, Britannia valve, type H.F.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/747/large_smg00263079.jpg</image:loc><image:title>McVitie Weston valve collection, Britannia valve, type H.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373287/mcvitie-weston-valve-collection-oscillite-valve</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/0/large_smg00261091.jpg</image:loc><image:title>McVitie Weston valve collection, Oscillite valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912750/proprietary-lock-for-words-communications-equipment</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/632/large_smg00722286__0002_.jpg</image:loc><image:title>Proprietary lock for Words+ communications equipment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/631/large_smg00722286__0001_.jpg</image:loc><image:title>Proprietary lock for Words+ communications equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372488/mcvitie-weston-valve-collection-ediswan-valve-type-es75</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/548/large_smg00263626.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type E.S.75</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910571/journal-of-the-royal-astronomical-society-of-canada-from-december-2017</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/601/large_smg00722006__0001_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from December 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/602/large_smg00722006__0002_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from December 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/603/large_smg00722006__0003_.jpg</image:loc><image:title>Journal of the Royal Astronomical Society of Canada, from December 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374204/mcvitie-weston-valve-collection-marconi-valve-type-6k6g</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/579/large_smg00313397.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type 6K6G</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/970/large_smg00313397.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type 6K6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373058/mcvitie-weston-valve-collection-loewe-valve-type-2hf</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/115/large_smg00259936.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 2HF</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372627/mcvitie-weston-valve-collection-western-electric-valve-type-221-d</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/358/large_smg00262745.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 221-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372692/mcvitie-weston-valve-collection-von-ardenne-experimental-valve-type-20</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/629/large_smg00263018.jpg</image:loc><image:title>McVitie Weston valve collection, Von Ardenne Experimental valve, type 20</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373782/mcvitie-weston-valve-collection-osramgec-valve-type-cv981</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/283/large_smg00258012.jpg</image:loc><image:title>McVitie Weston valve collection, Osram/GEC valve, type CV981</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120931/pyrex-feeding-bottle</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/401/761/large_smg00166792.jpg</image:loc><image:title>Pyrex feeding bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372777/mcvitie-weston-valve-collection-eagle-valve</loc><lastmod>2026-01-09T15:23:45.226Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/708/large_smg00263098.jpg</image:loc><image:title>McVitie Weston valve collection, Eagle valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374213/mcvitie-weston-valve-collection-movgec-valve-type-vmp4g</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374079/mcvitie-weston-valve-collection-osram-valve-type-vr505</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/957/large_smg00257882.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type V.R.505</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374275/mcvitie-weston-valve-collection-osram-valve-type-px25a</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/271/large_smg00257665.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PX25A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373361/mcvitie-weston-valve-collection-tungsram-valve-type-nava</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/412/large_smg00262571.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type NAVA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374153/mcvitie-weston-valve-collection-mullard-valve-type-sp2</loc><lastmod>2026-01-09T15:23:45.227Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/171/large_smg00257561.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type SP2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636061/rf-ammeter-spare-for-2lo-transmitter-7</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/472/528/large_smg00306347.jpg</image:loc><image:title>RF Ammeter: spare for 2LO transmitter (7)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372798/mcvitie-weston-valve-collection-movgec-valve-type-vt-no-28</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/720/large_smg00263110.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VT No. 28</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637218/metal-pipe-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:45.588Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/956/large_smg00183303.jpg</image:loc><image:title>Metal pipe from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373915/mcvitie-weston-valve-collection-valve-type-vu39a</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/372/large_smg00259458.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU39A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910885/invitation-to-the-feast-of-st-cuthbert-at-university-college-oxford-2016</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/56/large_smg00722075__0001_.jpg</image:loc><image:title>Invitation to the Feast of St Cuthbert at University College Oxford, 2016</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372944/mcvitie-weston-valve-collection-sator-valve-type-ndg4</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/18/large_smg00259818.jpg</image:loc><image:title>McVitie Weston valve collection, Sator valve, type NDG4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374317/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/582/large_smg00263732.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373243/mcvitie-weston-valve-collection-stc-valve-type-4036a</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/940/large_smg00259347.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4036A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373476/mcvitie-weston-valve-collection-osram-valve-type-55</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/589/large_smg00257716.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type 55</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637189/rubber-from-wheel-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/936/large_smg00183280.jpg</image:loc><image:title>Rubber from wheel from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373344/mcvitie-weston-valve-collection-mazda-valve-type-pe7b</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/399/large_smg00262558.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type PE7B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373851/mcvitie-weston-valve-collection-osram-valve-type-nr27a</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/900/large_smg00257645.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR27A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374254/mcvitie-weston-valve-collection-raytheon-valve-type-vt127</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/268/large_smg00257662.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type V.T.127</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373237/mcvitie-weston-valve-collection-marconigenova-valve-type-43a</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373420/mcvitie-weston-valve-collection-r-valve</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/621/large_smg00285381.jpg</image:loc><image:title>McVitie Weston valve collection, R valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373608/mcvitie-weston-valve-collection-mullard-valve-type-pen20</loc><lastmod>2026-01-09T15:23:45.738Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/753/large_smg00259551.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PEN20</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373683/mcvitie-weston-valve-collection-stc-valve-type-5b252m</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/835/large_smg00259634.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 5B/252M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372870/mcvitie-weston-valve-collection-mazda-valve-type-ac2hl</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/937/large_smg00259736.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC2/HL</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241934/television-camera-backpack</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372837/mcvitie-weston-valve-collection-mazda-valve-type-vt-no-100</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/751/large_smg00263141.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VT No 100</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374266/mcvitie-weston-valve-collection-mov-valve-type-vs68</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/700/large_smg00257973.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type VS68</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373730/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/888/large_smg00259687.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373352/mcvitie-weston-valve-collection-griffin-valve</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/407/large_smg00262566.jpg</image:loc><image:title>McVitie Weston valve collection, Griffin valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373238/mcvitie-weston-valve-collection-marconigenova-valve-type-43b</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637188/rubber-from-wheel-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/932/large_smg00183275.jpg</image:loc><image:title>Rubber from wheel from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373178/mcvitie-weston-valve-collection-ediswan-valve-type-vt9b</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/483/987/large_smg00261099.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type V.T.9.B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374071/mcvitie-weston-valve-collection-valve-type-nr74</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/963/large_smg00257889.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR74</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373664/mcvitie-weston-valve-collection-stc-micromesh-valve-type-7a2</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/810/large_smg00259609.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type 7A.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374050/mcvitie-weston-valve-collection-valve-type-vr65a</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/935/large_smg00257860.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR65A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241969/image-orthicon-tube</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/905/large_smg00447359.jpg</image:loc><image:title>Image Orthicon Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374014/mcvitie-weston-valve-collection-mov-valve-type-d63</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/906/large_smg00257831.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type D63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372709/mcvitie-weston-valve-collection-hova-der-klub-valve</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/646/large_smg00263035.jpg</image:loc><image:title>McVitie Weston valve collection, Hova Der Klub valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/703/large_smg00263035.jpg</image:loc><image:title>McVitie Weston valve collection, Hova Der Klub valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122391/two-pairs-of-white-linen-stiffened-cuffs-with-buttonholes</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373954/mcvitie-weston-valve-collection-stc-valve-type-2v400a</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374249/mcvitie-weston-valve-collection-rca-valve-type-808</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/263/large_smg00257657.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 808</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912723/plastic-holder-for-air-freshener</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/586/large_smg00722262__0001_.jpg</image:loc><image:title>Plastic holder for air freshener</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/587/large_smg00722262__0002_.jpg</image:loc><image:title>Plastic holder for air freshener</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374218/mcvitie-weston-valve-collection-valve-type-cv193</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/261/large_smg00257655.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV193</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373485/mcvitie-weston-valve-collection-mazda-valve-type-acvp1</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/599/large_smg00257726.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/VP1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372802/mcvitie-weston-valve-collection-stc-valve-type-4101d</loc><lastmod>2026-01-09T15:23:46.474Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/485/large_smg00313228.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4101D</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/927/large_smg00313228.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4101D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372365/mcvitie-weston-valve-collection-junot-triode-amplifier-valve</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/544/large_smg00262933.jpg</image:loc><image:title>McVitie Weston valve collection, Junot triode amplifier valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373735/mcvitie-weston-valve-collection-osram-valve-type-px25a</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/580/large_smg00283632.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PX25A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374053/mcvitie-weston-valve-collection-osram-valve-type-ktw63</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/939/large_smg00257864.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KTW63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373285/mcvitie-weston-valve-collection-experimental-electron-beam-indicator-lamp-valve</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/387/large_smg00262546.jpg</image:loc><image:title>McVitie Weston valve collection, Experimental Electron beam indicator lamp valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121983/first-aid-pack-pads-and-bandages</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/371/large_1983_0122__0010__0004_.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/375/large_1983_0122_0008__0001_.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/377/large_1983_0122_0008__0003_.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/372/large_1983_0122__0010__0005_.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/376/large_1983_0122_0008__0002_.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/429/702/large_smg00164066.jpg</image:loc><image:title>First Aid pack, pads and bandages.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373068/mcvitie-weston-valve-collection-loewe-valve-type-3nfk</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/294/large_smg00262445.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 3N.F.K.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373140/mcvitie-weston-valve-collection-osramgec-valve-type-b</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/375/large_smg00262534.jpg</image:loc><image:title>McVitie Weston valve collection, Osram/GEC valve, type B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372366/mcvitie-weston-valve-collection-grammont-valve-type-r</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/546/large_smg00262935.jpg</image:loc><image:title>McVitie Weston valve collection, Grammont valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372695/mcvitie-weston-valve-collection-frelat-valve</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/632/large_smg00263021.jpg</image:loc><image:title>McVitie Weston valve collection, Frelat valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373729/mcvitie-weston-valve-collection-admiralty-valve-type-ns2</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/587/large_smg00283639.jpg</image:loc><image:title>McVitie Weston valve collection, Admiralty valve, type NS2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373948/mcvitie-weston-valve-collection-valve-type-nr73</loc><lastmod>2026-01-09T15:23:46.625Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/406/large_smg00281538.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR73</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373051/mcvitie-weston-valve-collection-dario-valve-type-te524</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/319/large_smg00262470.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve, type TE524</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911440/intel-circuit-board-for-hawkings-communications-equipment</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/504/large_smg00722148__0001_.jpg</image:loc><image:title>Intel circuit board for Hawking&apos;s communications equipment</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/505/large_smg00722148__0002_.jpg</image:loc><image:title>Intel circuit board for Hawking&apos;s communications equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373826/mcvitie-weston-valve-collection-osram-valve-type-u17</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/242/large_smg00257931.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U17</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372928/mcvitie-weston-valve-collection-mullard-valve-type-de-dg</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/1/large_smg00259801.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type DE-DG</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373737/mcvitie-weston-valve-collection-x-ray-tube-valve</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/223/large_smg00257614.jpg</image:loc><image:title>McVitie Weston valve collection, X-Ray tube valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247033/glass-specimen-jar-one-of-eleven-empty-english</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374212/mcvitie-weston-valve-collection-osram-valve-type-d41</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374156/mcvitie-weston-valve-collection-tung-sol-valve-type-846z4</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/174/large_smg00257564.jpg</image:loc><image:title>McVitie Weston valve collection, Tung-Sol valve, type 84/6Z4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372808/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no32a</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/725/large_smg00263115.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No.32A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384378/couple-in-costume</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373558/mcvitie-weston-valve-collection-mazda-valve-type-sp41</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/678/large_smg00257807.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type S.P.41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372854/mcvitie-weston-valve-collection-osram-valve-type-mh4</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/765/large_smg00263156.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MH4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373775/mcvitie-weston-valve-collection-valve-type-218a-exptl</loc><lastmod>2026-01-09T15:23:46.970Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/926/large_smg00259725.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 218A (Exptl)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241880/television-camera-head</loc><lastmod>2026-01-09T15:23:46.781Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373796/mcvitie-weston-valve-collection-valve-type-cv1090</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/286/large_smg00258017.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1090</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777495/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372946/mcvitie-weston-valve-collection-cossor-valve-type-dp</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/20/large_smg00259820.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type D.P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373007/mcvitie-weston-valve-collection-raytheon-valve-type-35</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/86/large_smg00259907.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 35</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910572/physics-world-magazine-issue-from-december-2017</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/604/large_smg00722007__0001_.jpg</image:loc><image:title>Physics World magazine issue from December 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/605/large_smg00722007__0002_.jpg</image:loc><image:title>Physics World magazine issue from December 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374105/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-hl2</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/158/large_smg00257548.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type HL2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373953/mcvitie-weston-valve-collection-mazda-valve-type-v2024</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/408/large_smg00281541.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type V2024</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372881/mcvitie-weston-valve-collection-mullard-valve-type-104v</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/950/large_smg00259750.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 104V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374128/mcvitie-weston-valve-collection-valve-type-vr116</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/155/large_smg00257544.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR116</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372529/mcvitie-weston-valve-collection-cossor-valve-type-w2</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/283/large_smg00262670.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type W.2.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246650/main-distribution-block-marconi-mk-iii</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/169/large_smg00221213.jpg</image:loc><image:title>Main Distribution Block, Marconi Mk III.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372828/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-78</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/743/large_smg00263133.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type VT. No 78</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384440/young-man-with-brother</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121985/packet-containing-first-field-dressing</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/371/large_1983_0122__0010__0004_.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/368/large_1983_0122__0010__0001_.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/370/large_1983_0122__0010__0003_.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/372/large_1983_0122__0010__0005_.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/369/large_1983_0122__0010__0002_.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/429/699/large_smg00164059.jpg</image:loc><image:title>Packet containing First Field Dressing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247965/cathode-ray-tube</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8642407/green-leather-hinged-case</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374279/mcvitie-weston-valve-collection-valve-type-vt90</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/551/large_smg00263677.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VT90</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121951/childs-cot</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373866/mcvitie-weston-valve-collection-mov-valve-type-h63</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/369/large_smg00259455.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type H63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911213/name-plate-of-stephen-hawkings-office</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/467/large_smg00722114__0002_.jpg</image:loc><image:title>Name plate of Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/468/large_smg00722114__0003_.jpg</image:loc><image:title>Name plate of Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/469/large_smg00722114__0004_.jpg</image:loc><image:title>Name plate of Stephen Hawking&apos;s office</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/466/large_smg00722114__0001_.jpg</image:loc><image:title>Name plate of Stephen Hawking&apos;s office</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384466/portrait-of-young-man</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373155/mcvitie-weston-valve-collection-marconi-valve-type-det1</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/286/large_smg00313018.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.T.1</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/819/large_smg00313018.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type D.E.T.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122148/white-cotton-cover-for-cot-pillow</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373060/mcvitie-weston-valve-collection-loewe-valve-type-hf30</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/117/large_smg00259938.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type HF30</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373669/mcvitie-weston-valve-collection-stc-valve-type-4074-a</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/816/large_smg00259615.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4074-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373745/mcvitie-weston-valve-collection-valve-type-cv67</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/577/large_smg00283629.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV67</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372641/mcvitie-weston-valve-collection-ceco-valve-type-201-a</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/370/large_smg00262757.jpg</image:loc><image:title>McVitie Weston valve collection, CeCo valve, type 201-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373668/mcvitie-weston-valve-collection-stc-valve-type-5b251m</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/815/large_smg00259614.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 5B/251M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373030/mcvitie-weston-valve-collection-hivac-valve-type-sg210</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/109/large_smg00259930.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type SG210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373975/mcvitie-weston-valve-collection-ft-and-rc-valve-type-cft-15e</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/418/large_smg00313158.jpg</image:loc><image:title>McVitie Weston valve collection, F.T. and R.C. valve, type CFT-15E</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/863/large_smg00313158.jpg</image:loc><image:title>McVitie Weston valve collection, F.T. and R.C. valve, type CFT-15E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373077/mcvitie-weston-valve-collection-ediswan-valve-type-bts215</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/325/large_smg00262478.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type B.T.S.215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242022/television-camera-equipment</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/107/large_smg00362576.jpg</image:loc><image:title>Television Camera Equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242015/cathode-ray-tube</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/537/large_smg00221620.jpg</image:loc><image:title>Cathode ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373913/mcvitie-weston-valve-collection-valve-type-vr57</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/279/large_smg00259307.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.57</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372816/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-40</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/733/large_smg00263123.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No 40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241916/adaptor-for-zoom-lens</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121952/wickerwork-rocking-cradle</loc><lastmod>2026-01-09T15:23:47.676Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372864/mcvitie-weston-valve-collection-cosmos-valve-type-ac-red-spot</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/461/large_smg00263166.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type A.C. Red Spot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241976/rca-vidicon-tube</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/343/large_smg00221257.jpg</image:loc><image:title>RCA Vidicon Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241993/cathode-ray-tube</loc><lastmod>2026-01-09T15:23:47.761Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/333/large_smg00447350.jpg</image:loc><image:title>Cathode ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374091/mcvitie-weston-valve-collection-valve-type-vu72</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/976/large_smg00257902.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU72</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910555/brochure-from-starmus-festival-in-tenerife-canary-islands-spain-celebrating-hawking</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/566/large_smg00721995__0002_.jpg</image:loc><image:title>Brochure from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/565/large_smg00721995__0001_.jpg</image:loc><image:title>Brochure from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/567/large_smg00721995__0003_.jpg</image:loc><image:title>Brochure from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/568/large_smg00721995__0004_.jpg</image:loc><image:title>Brochure from Starmus festival in Tenerife (Canary Islands, Spain) celebrating Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374176/mcvitie-weston-valve-collection-valve-type-vr66</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/193/large_smg00257584.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR66</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242037/television-camera-interconnect-cable</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/689/large_smg00353392.jpg</image:loc><image:title>Television Camera Interconnect Cable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373370/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/420/large_smg00262579.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909772/mcvitie-weston-valve-collection-mercury-arc-valve</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373261/mcvitie-weston-valve-collection-stc-valve-type-3j160e</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/951/large_smg00259361.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 3J/160E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384389/woman</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373713/mcvitie-weston-valve-collection-stc-valve-type-4102d</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/870/large_smg00259669.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372651/mcvitie-weston-valve-collection-rca-radiotron-valve-type-30</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/380/large_smg00262767.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 30</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373825/mcvitie-weston-valve-collection-osram-valve-type-u17</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/243/large_smg00257932.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U17</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372794/mcvitie-weston-valve-collection-ediswan-valve-type-vt-no-25</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/716/large_smg00263106.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type VT No. 25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373334/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/575/large_smg00263725.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373270/mcvitie-weston-valve-collection-german-valve</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373186/mcvitie-weston-valve-collection-marconi-valve-type-mt3f</loc><lastmod>2026-01-09T15:23:48.161Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/463/large_smg00313205.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type M.T.3.F.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/905/large_smg00313205.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type M.T.3.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384448/girl-in-straw-hat-with-posy</loc><lastmod>2026-01-09T15:23:48.053Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637223/seven-metal-springs-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/946/large_smg00183291.jpg</image:loc><image:title>Seven metal springs from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121977/packet-containing-open-wove-bandage</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/429/700/large_smg00164060.jpg</image:loc><image:title>Packet containing open wove bandage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373800/mcvitie-weston-valve-collection-valve-type-nt13</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/287/large_smg00258020.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NT13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372921/mcvitie-weston-valve-collection-marconi-osram-valve-type-de7</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/994/large_smg00259794.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi-Osram valve, type D.E.7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374054/mcvitie-weston-valve-collection-osram-valve-type-ktw63</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/940/large_smg00257865.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KTW63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372514/mcvitie-weston-valve-collection-bth-mazda-valve-type-hl210</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/270/large_smg00262657.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type H.L.210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637216/metal-cog-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/953/large_smg00183298.jpg</image:loc><image:title>Metal cog from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373539/mcvitie-weston-valve-collection-nlv-co-lion-valve</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/656/large_smg00257785.jpg</image:loc><image:title>McVitie Weston valve collection, N.L.V. Co. Lion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373322/mcvitie-weston-valve-collection-mullard-valve-type-mp-s4</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/233/large_smg00257922.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type MP-S4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373565/mcvitie-weston-valve-collection-tungsram-valve-type-mh1118</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/684/large_smg00257814.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type MH1118</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373755/mcvitie-weston-valve-collection-valve-type-cv127</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/905/large_smg00259704.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV127</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241908/marconi-sync-pulse-generator</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372589/mcvitie-weston-valve-collection-hivac-midget-valve-type-xd</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/349/large_smg00262736.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac midget valve type XD</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910773/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/368/large_smg00722042__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/369/large_smg00722042__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372886/mcvitie-weston-valve-collection-mullard-valve-type-164v</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/955/large_smg00259755.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 164V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242014/television-camera-lens-hoods</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/678/large_smg00353381.jpg</image:loc><image:title>Television Camera Lens Hoods</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373671/mcvitie-weston-valve-collection-national-union-valve-type-371b</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/818/large_smg00259617.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 371B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372635/mcvitie-weston-valve-collection-western-electric-valve-type-cw-1344</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/364/large_smg00262751.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type CW-1344</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373902/mcvitie-weston-valve-collection-valve-type-vr37</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/313/large_smg00261377.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374318/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/583/large_smg00263733.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372522/mcvitie-weston-valve-collection-mazda-valve-type-p650</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/278/large_smg00262665.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type P.650</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372885/mcvitie-weston-valve-collection-mullard-valve-type-154v</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/954/large_smg00259754.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 154V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372598/mcvitie-weston-valve-collection-western-electric-wecovalve-valve-type-4215a</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/469/large_smg00263174.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric Wecovalve valve, type 4215A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373256/mcvitie-weston-valve-collection-stc-valve-type-4069a</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/942/large_smg00259352.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4069A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373108/mcvitie-weston-valve-collection-tungsram-valve-type-tim4</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/352/large_smg00262506.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type TIM4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372913/mcvitie-weston-valve-collection-ostar-ganz-valve-type-a520</loc><lastmod>2026-01-09T15:23:48.929Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/985/large_smg00259785.jpg</image:loc><image:title>McVitie Weston valve collection, Ostar-Ganz valve, type A520</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373881/mcvitie-weston-valve-collection-valve-type-210det</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/301/large_smg00261364.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 210DET</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242002/cathode-ray-tube</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/534/large_smg00221617.jpg</image:loc><image:title>Cathode ray tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242029/mw-36-24-cathode-ray-tube</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/538/large_smg00221621.jpg</image:loc><image:title>MW 36-24 Cathode Ray Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372685/mcvitie-weston-valve-collection-arcotron-valve-type-301</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/24/large_smg00259824.jpg</image:loc><image:title>McVitie Weston valve collection, Arcotron valve, type 301</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373139/mcvitie-weston-valve-collection-osramgec-valve-type-b</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/374/large_smg00262533.jpg</image:loc><image:title>McVitie Weston valve collection, Osram/GEC valve, type B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242036/marconi-television-camera-equipment</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/531/690/large_smg00353393.jpg</image:loc><image:title>Marconi Television Camera Equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374292/mcvitie-weston-valve-collection-rca-valve-type-1628</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/560/large_smg00263686.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 1628</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373552/mcvitie-weston-valve-collection-mazda-valve-type-pendd4020</loc><lastmod>2026-01-09T15:23:48.868Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/670/large_smg00257799.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type PEN/DD/4020</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372958/mcvitie-weston-valve-collection-mazda-valve-type-ac4pen</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/31/large_smg00259848.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC4/PEN</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373111/mcvitie-weston-valve-collection-ediswan-valve</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/283/large_smg00313015.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/816/large_smg00313015.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8643074/nt46-or-nt57-silica-triode-valve-from-the-early-ground-radar-transmitter-type-tf3</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373887/mcvitie-weston-valve-collection-cossor-valve-type-arp6</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/307/large_smg00261370.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type ARP6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909930/signal-processor-for-infrared-cheek-sensor</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/676/large_smg00721938__0002_.jpg</image:loc><image:title>Signal processor for infrared cheek sensor</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/675/large_smg00721938__0001_.jpg</image:loc><image:title>Signal processor for infrared cheek sensor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122458/two-portia-baby-suspension-scales</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/726/large_smg00167513.jpg</image:loc><image:title>Two &apos;Portia&apos; baby suspension scales</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373206/mcvitie-weston-valve-collection-movgec-valve-type-at40</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/458/large_smg00313200.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.T.40</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/901/large_smg00313200.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.T.40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374090/mcvitie-weston-valve-collection-raytheon-valve-type-1a7gt</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/975/large_smg00257901.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 1A7GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909925/synthesizer-voice-emulation-prototype</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/858/large_smg00721948__0002_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/862/large_smg00721948__0006_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/857/large_smg00721948__0001_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/861/large_smg00721948__0005_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/860/large_smg00721948__0004_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/859/large_smg00721948__0003_.jpg</image:loc><image:title>Synthesizer voice emulation prototype</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910778/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/379/large_smg00722047__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/378/large_smg00722047__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912145/glass-specimen-jar</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373596/mcvitie-weston-valve-collection-mullard-valve-type-pen4v</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/588/large_smg00283640.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PEN4V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372730/mcvitie-weston-valve-collection-tungsram-valve-type-hr210</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/667/large_smg00263056.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type HR210</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/724/large_smg00263056.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type HR210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373109/mcvitie-weston-valve-collection-mullard-valve-type-tse4</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/353/large_smg00262507.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type TSE4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910862/stamp-that-prints-right-thumb-print-of-sw-hawking-witnessed-by</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/680/large_smg00722066__0001_.jpg</image:loc><image:title>Stamp that prints &quot;“Right thumb-print of S.W. Hawking witnessed by”</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/675/681/large_smg00722066__0002_.jpg</image:loc><image:title>Stamp that prints &quot;“Right thumb-print of S.W. Hawking witnessed by”</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373617/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/765/large_smg00259563.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242013/television-camera-viewfinders</loc><lastmod>2026-01-09T15:23:49.375Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/729/908/large_smg00447362.jpg</image:loc><image:title>Television Camera Viewfinders</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372931/mcvitie-weston-valve-collection-burndept-valve-type-n6</loc><lastmod>2026-01-09T15:23:49.428Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/5/large_smg00259805.jpg</image:loc><image:title>McVitie Weston valve collection, Burndept valve, type N6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384495/view-of-crystal-palace</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373572/mcvitie-weston-valve-collection-mullard-valve-type-pen-a4</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/695/large_smg00257825.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PEN A4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372483/mcvitie-weston-valve-collection-ediswan-valve-type-b12</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/248/large_smg00262635.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type B.12</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373146/mcvitie-weston-valve-collection-mullard-valve-type-030a</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/449/large_smg00262608.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 0.30A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372882/mcvitie-weston-valve-collection-mullard-valve-type-104v</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/951/large_smg00259751.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 104V</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373200/mcvitie-weston-valve-collection-mullard-valve-type-at40</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/454/large_smg00313196.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type AT40</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/897/large_smg00313196.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type AT40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373110/mcvitie-weston-valve-collection-experimental-deflexion-valve</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/357/large_smg00262514.jpg</image:loc><image:title>McVitie Weston valve collection, Experimental deflexion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373284/mcvitie-weston-valve-collection-bts-television-neon-lamp-valve</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/386/large_smg00262545.jpg</image:loc><image:title>McVitie Weston valve collection, BTS Television Neon Lamp valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373656/mcvitie-weston-valve-collection-osram-valve-type-px25</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/579/large_smg00283631.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PX25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374117/mcvitie-weston-valve-collection-rca-valve-type-872a</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/238/large_smg00257629.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 872A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637252/glass-component-from-the-three-wheeled-motor-car</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/938/large_smg00183282.jpg</image:loc><image:title>Glass component from the three wheeled motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241962/ferguson-sync-pulse-generator-wg62</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/275/large_smg00221161.jpg</image:loc><image:title>Ferguson Sync Pulse Generator WG62</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373804/mcvitie-weston-valve-collection-valve-type-1d5</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/302/large_smg00258035.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 1D5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373151/mcvitie-weston-valve-collection-mullard-valve-type-t25d</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/452/large_smg00262611.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type T.25.D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373431/mcvitie-weston-valve-collection-frelat-triode-valve</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/528/large_smg00313282.jpg</image:loc><image:title>McVitie Weston valve collection, Frelat Triode valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/346/large_smg00313282.jpg</image:loc><image:title>McVitie Weston valve collection, Frelat Triode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374195/mcvitie-weston-valve-collection-valve-type-vr92</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/212/large_smg00257603.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VR92</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374237/mcvitie-weston-valve-collection-mullard-valve-type-pen-a4</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/608/large_smg00313429.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PEN A4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373628/mcvitie-weston-valve-collection-mullard-valve-type-pm22c</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/776/large_smg00259574.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM22C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374196/mcvitie-weston-valve-collection-rca-valve-type-vt-103</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/213/large_smg00257604.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type VT-103</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373366/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/416/large_smg00262575.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372623/mcvitie-weston-valve-collection-western-electric-valve-type-4215a</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/492/large_smg00263197.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 4215A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372607/mcvitie-weston-valve-collection-western-electric-valve-type-4102d</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/475/large_smg00263180.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373582/mcvitie-weston-valve-collection-mullard-valve-type-vp4b</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/721/large_smg00259490.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VP4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373561/mcvitie-weston-valve-collection-mazda-valve-type-tp1340</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/681/large_smg00257810.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type TP1340</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374166/mcvitie-weston-valve-collection-cossor-valve-type-vr19</loc><lastmod>2026-01-09T15:23:50.040Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/183/large_smg00257574.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type V.R.19</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373811/mcvitie-weston-valve-collection-valve-type-vr18</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/294/large_smg00258027.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.18</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373687/mcvitie-weston-valve-collection-stc-micromesh-valve-type-9a1</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/841/large_smg00259640.jpg</image:loc><image:title>McVitie Weston valve collection, STC Micromesh valve, type 9.A.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373680/mcvitie-weston-valve-collection-brimar-valve-type-77e</loc><lastmod>2026-01-09T15:23:50.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/832/large_smg00259631.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 77E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384441/toiletry-box-with-daguerreotype-portrait-of-george-dolland</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373520/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-58</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/637/large_smg00257766.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 58</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373591/mcvitie-weston-valve-collection-brimar-valve</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/732/large_smg00259501.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373750/mcvitie-weston-valve-collection-stc-valve-type-3a146j</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/900/large_smg00259699.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 3A/146J</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372764/mcvitie-weston-valve-collection-dreadnought-triode-valve</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/696/large_smg00263085.jpg</image:loc><image:title>McVitie Weston valve collection, Dreadnought triode valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/753/large_smg00263085.jpg</image:loc><image:title>McVitie Weston valve collection, Dreadnought triode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635961/iron-ore-from-the-stor-mine-petersberg-wermland-sweden</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/804/large_smg00080744.jpg</image:loc><image:title>Iron ore from the Stor Mine, Petersberg, Wermland, Sweden</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122220/wooden-high-chair-converts-to-playing-board-and-seat</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374036/mcvitie-weston-valve-collection-stc-valve-type-33a100a</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/929/large_smg00257854.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 33A/100A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374180/mcvitie-weston-valve-collection-mazda-valve-type-cv24</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/197/large_smg00257588.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type CV24</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372749/mcvitie-weston-valve-collection-burndept-supervalve-valve-type-l525</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/681/large_smg00263070.jpg</image:loc><image:title>McVitie Weston valve collection, Burndept Supervalve valve, type L.525</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/738/large_smg00263070.jpg</image:loc><image:title>McVitie Weston valve collection, Burndept Supervalve valve, type L.525</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636210/filament-connecting-wire-associated-with-2lo-transmitter-25</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/471/702/large_smg00292329.jpg</image:loc><image:title>Filament connecting wire, associated with 2LO transmitter. (25)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120920/graduated-jug</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/656/large_smg00167347.jpg</image:loc><image:title>Graduated jug</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372353/mcvitie-weston-valve-collection-cossor-valve-type-p1</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/523/large_smg00262912.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type P.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121348/section-of-miniature-hospital-adult-and-childrens-wards</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/3/629/large_a603147__0005_.jpg</image:loc><image:title>Section of miniature hospital, adult and children&apos;s wards</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/3/627/large_a603147__0003_.jpg</image:loc><image:title>Section of miniature hospital, adult and children&apos;s wards</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373955/mcvitie-weston-valve-collection-stc-valve-type-2v400a</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372954/mcvitie-weston-valve-collection-hivac-valve-type-acyy</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/27/large_smg00259844.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type AC/YY</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910362/ethernet-cable-for-desktop-computer</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/333/large_smg00721988__0001_.jpg</image:loc><image:title>Ethernet cable for desktop computer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374223/mcvitie-weston-valve-collection-ediswan-valve-type-au7</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/594/large_smg00313415.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AU7</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/985/large_smg00313415.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type AU7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372924/mcvitie-weston-valve-collection-osram-experimental-valve-type-e328</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/998/large_smg00259798.jpg</image:loc><image:title>McVitie Weston valve collection, Osram Experimental valve, type E328</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374007/mcvitie-weston-valve-collection-mov-valve-type-ktz63</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/448/large_smg00313188.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type KTZ63</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/893/large_smg00313188.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type KTZ63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373982/mcvitie-weston-valve-collection-valve-type-vr32</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/424/large_smg00313164.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.32</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/869/large_smg00313164.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.32</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374307/mcvitie-weston-valve-collection-valve-type-cv968</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373685/mcvitie-weston-valve-collection-brimar-valve-type-35l6gt</loc><lastmod>2026-01-09T15:23:50.617Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/837/large_smg00259636.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 35L6GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372690/mcvitie-weston-valve-collection-loewe-valve-type-la101</loc><lastmod>2026-01-09T15:23:50.752Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/627/large_smg00263016.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type L.A.101.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909767/danish-poster-with-geometric-figures-titled-albert-einstein</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/779/large_smg00721679__0001_.jpg</image:loc><image:title>Danish poster with geometric figures titled Albert Einstein</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372655/mcvitie-weston-valve-collection-majestic-valve-type-g45</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/384/large_smg00262771.jpg</image:loc><image:title>McVitie Weston valve collection, Majestic valve, type G45</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372825/mcvitie-weston-valve-collection-stc-valve-type-4019-b</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/741/large_smg00263131.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4019-B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372791/mcvitie-weston-valve-collection-movgec-valve-type-vt-no-15</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/484/large_smg00313227.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VT No. 15</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/926/large_smg00313227.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VT No. 15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374303/mcvitie-weston-valve-collection-sylvania-valve-type-6j6</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/565/large_smg00263691.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 6J6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384356/portrait-of-man-looking-to-right</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373749/mcvitie-weston-valve-collection-raytheon-valve-type-723ab</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/899/large_smg00259698.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 723A/B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372612/mcvitie-weston-valve-collection-western-electric-valve-type-104-d</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/480/large_smg00263185.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 104-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373133/mcvitie-weston-valve-collection-western-electric-valve-type-s</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/442/large_smg00262601.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type S</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637264/piece-of-floor-timber-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/396/370/large_smg00091311.jpg</image:loc><image:title>Piece of floor timber from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374021/mcvitie-weston-valve-collection-brimar-valve-type-7d5</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/920/large_smg00257845.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 7D5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372602/mcvitie-weston-valve-collection-western-electric-valve-type-101b</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/470/large_smg00263175.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 101B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910761/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/19/large_smg00722037__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/20/large_smg00722037__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372594/mcvitie-weston-valve-collection-bsa-standard-valve-type-p612</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/465/large_smg00263170.jpg</image:loc><image:title>McVitie Weston valve collection, BSA Standard valve, type P612</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372678/mcvitie-weston-valve-collection-tekade-valve-type-vt111</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/616/large_smg00263005.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type VT111</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372535/mcvitie-weston-valve-collection-cossor-point-one-lf-valve</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/290/large_smg00262677.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor point one L.F. valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co522205/laboratory-equipment-with-two-cubes-that-slide-between-pieces-of-wood</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/446/large_smg00156622.jpg</image:loc><image:title>Laboratory equipment, with two cubes that slide between pieces of wood.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374018/mcvitie-weston-valve-collection-mov-valve-type-d42</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/313/large_smg00258052.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type D42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373061/mcvitie-weston-valve-collection-loewe-valve-type-3nf</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/118/large_smg00259939.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 3NF</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373380/mcvitie-weston-valve-collection-sc-valve</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/269/large_smg00257998.jpg</image:loc><image:title>McVitie Weston valve collection, SC valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372821/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-67</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/737/large_smg00263127.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No. 67</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372801/mcvitie-weston-valve-collection-ediswan-valve-type-vt28</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/723/large_smg00263113.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type V.T.28</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122140/cot-mattress</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373698/mcvitie-weston-valve-collection-hivac-valve-type-ddt220</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/855/large_smg00259654.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type DDT/220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373174/mcvitie-weston-valve-collection-mov-valve-type-vt-1a</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/325/large_smg00313061.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type V.T. 1A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372616/mcvitie-weston-valve-collection-western-electric-valve-type-203e</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/484/large_smg00263189.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 203E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373661/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/807/large_smg00259606.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242048/five-cathode-ray-tubes</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/732/317/large_smg00447310.jpg</image:loc><image:title>Five Cathode Ray Tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384473/portrait-of-a-woman-with-two-children</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909768/danish-poster-with-geometric-figures-titled-stephen-hawking</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/781/large_smg00721680__0001_.jpg</image:loc><image:title>Danish poster with geometric figures titled Stephen Hawking</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373832/mcvitie-weston-valve-collection-osram-valve-type-nr15a</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/339/large_smg00259425.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR15A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372994/mcvitie-weston-valve-collection-mullard-valve-type-s4va</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/73/large_smg00259894.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type S4VA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374143/mcvitie-weston-valve-collection-cossor-valve-type-210-hf</loc><lastmod>2026-01-09T15:23:51.406Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/135/large_smg00257524.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 210 H.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518085/part-for-microdensitometer</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910561/skynews-magazine-issue-with-article-announcing-upcoming-observation-of-black-holes-by-the-event-horizon-telescope</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/587/large_smg00722001__0002_.jpg</image:loc><image:title>SkyNews Magazine issue with article announcing upcoming observation of black holes by the Event Horizon Telescope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/586/large_smg00722001__0001_.jpg</image:loc><image:title>SkyNews Magazine issue with article announcing upcoming observation of black holes by the Event Horizon Telescope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/588/large_smg00722001__0003_.jpg</image:loc><image:title>SkyNews Magazine issue with article announcing upcoming observation of black holes by the Event Horizon Telescope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372851/mcvitie-weston-valve-collection-mov-valve-type-mh4</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/763/large_smg00263153.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type MH4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372869/mcvitie-weston-valve-collection-mazda-valve-type-achl-exptl</loc><lastmod>2026-01-09T15:23:51.313Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/936/large_smg00259735.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/HL (exptl)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374283/mcvitie-weston-valve-collection-cossor-valve-type-ngt1</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/555/large_smg00263681.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type NG.T1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374060/mcvitie-weston-valve-collection-valve-type-vt6115</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/954/large_smg00257879.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VT61/15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373305/mcvitie-weston-valve-collection-ediswan-valve</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/999/large_smg00261090.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373025/mcvitie-weston-valve-collection-cossor-valve-type-sg220</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/104/large_smg00259925.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type S.G.220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120917/feeding-tube</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/777/large_smg00167781.jpg</image:loc><image:title>Feeding tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374080/mcvitie-weston-valve-collection-gecusa-valve-type-6b8</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/956/large_smg00257881.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/USA valve, type 6B8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374152/mcvitie-weston-valve-collection-valve-type-6v6g</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/257/large_smg00257651.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6V6G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373878/mcvitie-weston-valve-collection-ken-rad-valve-type-58</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/290/large_smg00261353.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 58</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120921/pail-with-cover</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/407/439/large_smg00161569.jpg</image:loc><image:title>Pail, with cover</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373829/mcvitie-weston-valve-collection-osram-valve-type-nr26</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/244/large_smg00257934.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR26</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374125/mcvitie-weston-valve-collection-valve-type-cv6</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/152/large_smg00257541.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910578/2017-issue-of-magazine-by-the-riken-research-organization-in-japan-summer-issue</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/623/large_smg00722013__0003_.jpg</image:loc><image:title>2017 issue of  magazine by the RIKEN research organization in Japan (Summer issue)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/622/large_smg00722013__0002_.jpg</image:loc><image:title>2017 issue of  magazine by the RIKEN research organization in Japan (Summer issue)</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/621/large_smg00722013__0001_.jpg</image:loc><image:title>2017 issue of  magazine by the RIKEN research organization in Japan (Summer issue)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373475/mcvitie-weston-valve-collection-osram-valve-type-mpt41</loc><lastmod>2026-01-09T15:23:52.273Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/588/large_smg00257715.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MPT41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242743/washable-hospital-masks-to-prevent-streptococcal-infections</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373870/mcvitie-weston-valve-collection-stc-valve-type-9d2</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/293/large_smg00261356.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 9D2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372528/mcvitie-weston-valve-collection-cossor-valve-type-w1</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/282/large_smg00262669.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type W.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373013/mcvitie-weston-valve-collection-crossley-ken-rad-valve-type-36</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/92/large_smg00259913.jpg</image:loc><image:title>McVitie Weston valve collection, Crossley Ken-Rad valve, type 36</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374193/mcvitie-weston-valve-collection-tung-sol-valve-type-6k7gt</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/210/large_smg00257601.jpg</image:loc><image:title>McVitie Weston valve collection, Tung-Sol valve, type 6K7GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372904/mcvitie-weston-valve-collection-sylvania-valve-type-45</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/976/large_smg00259776.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 45</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372830/mcvitie-weston-valve-collection-stc-valve-type-vt-no81</loc><lastmod>2026-01-09T15:23:52.315Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/271/large_smg00313003.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type V.T. No.81</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/805/large_smg00313003.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type V.T. No.81</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911423/felt-discs</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/921/large_smg00722140__0001_.jpg</image:loc><image:title>Felt discs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372856/mcvitie-weston-valve-collection-osram-valve-type-h30</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/453/large_smg00263158.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type H30</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374230/mcvitie-weston-valve-collection-mullard-valve-type-nr43</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/601/large_smg00313422.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type N.R.43</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/992/large_smg00313422.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type N.R.43</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372863/mcvitie-weston-valve-collection-cosmos-valve-type-acx</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/460/large_smg00263165.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type A.C/X</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910581/bulletin-of-the-american-academy-of-arts-and-sciences-organization-where-hawking-was-an-honorary-member</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/632/large_smg00722016__0001_.jpg</image:loc><image:title>Bulletin of the American Academy of Arts and Sciences, organization where Hawking was an honorary member</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/633/large_smg00722016__0002_.jpg</image:loc><image:title>Bulletin of the American Academy of Arts and Sciences, organization where Hawking was an honorary member</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373268/mcvitie-weston-valve-collection-valve-type-nt36</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/307/large_smg00258043.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NT36</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373769/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/920/large_smg00259719.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384347/jabez-hogg-with-walter-and-nellie-hogg</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/373/428/large_1990_5037_a6__0002_.jpg</image:loc><image:title>Jabez Hogg with Walter and Nellie Hogg</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/373/427/large_1990_5037_a6__0001_.jpg</image:loc><image:title>Jabez Hogg with Walter and Nellie Hogg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373398/mcvitie-weston-valve-collection-osram-valve-type-pt2</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/546/large_smg00257671.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374290/mcvitie-weston-valve-collection-valve-type-cv210</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/249/large_smg00257640.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV210</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374033/mcvitie-weston-valve-collection-valve-type-cv67</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/234/large_smg00257625.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV67</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373101/mcvitie-weston-valve-collection-mullard-valve-type-4</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/348/large_smg00262501.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374052/mcvitie-weston-valve-collection-valve-type-arp4</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/933/large_smg00257858.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type ARP4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372502/mcvitie-weston-valve-collection-cosmos-valve-type-sp50-red</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/261/large_smg00262648.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type SP50 RED</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911444/electronic-equipment-related-to-stephen-hawkings-communications</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/925/large_smg00722146__0001_.jpg</image:loc><image:title>Electronic equipment related to Stephen Hawking&apos;s communications</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373323/mcvitie-weston-valve-collection-rca-radiotron-valve-type-913</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/390/large_smg00262549.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 913</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910766/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/22/large_smg00722039__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/364/large_smg00722039__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373550/mcvitie-weston-valve-collection-mazda-valve-type-vp215</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/667/large_smg00257796.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VP215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8244662/contact-paper-negative-engraving-of-a-bird</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373659/mcvitie-weston-valve-collection-mazda-valve-type-19h4</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/805/large_smg00259604.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type 19H4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373809/mcvitie-weston-valve-collection-national-union-valve-type-76</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/298/large_smg00258031.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 76</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373647/mcvitie-weston-valve-collection-mazda-tetrode-valve</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/795/large_smg00259594.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda Tetrode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373969/mcvitie-weston-valve-collection-philips-valve-type-c1c</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/413/large_smg00313153.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type C1C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373827/mcvitie-weston-valve-collection-sylvania-valve-type-41</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/240/large_smg00257929.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373276/mcvitie-weston-valve-collection-experimental-beam-tube-valve</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/953/large_smg00259363.jpg</image:loc><image:title>McVitie Weston valve collection, Experimental beam tube valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912726/curved-metal-pole</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/592/large_smg00722265__0001_.jpg</image:loc><image:title>Curved metal pole</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372363/mcvitie-weston-valve-collection-cac-valve</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/543/large_smg00262932.jpg</image:loc><image:title>McVitie Weston valve collection, CAC valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372983/mcvitie-weston-valve-collection-mazda-valve-type-acsg</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/61/large_smg00259882.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/SG</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637207/component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246681/camera-control-unit-and-power-supply-unit-rca</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/510/large_smg00221593.jpg</image:loc><image:title>Camera Control Unit and Power Supply Unit, RCA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374154/mcvitie-weston-valve-collection-mullard-valve-type-sp2</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/172/large_smg00257562.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type SP2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372756/mcvitie-weston-valve-collection-radion-valve-type-x7</loc><lastmod>2026-01-09T15:23:52.955Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/688/large_smg00263077.jpg</image:loc><image:title>McVitie Weston valve collection, Radion valve, type X7</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/745/large_smg00263077.jpg</image:loc><image:title>McVitie Weston valve collection, Radion valve, type X7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246692/sync-pulse-generator-mk-iii-pye</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/529/170/large_smg00221215.jpg</image:loc><image:title>Sync Pulse Generator, Mk III, Pye</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372832/mcvitie-weston-valve-collection-mullard-valve-type-gpo-vt-no-83</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/746/large_smg00263136.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type G.P.O. V.T. No. 83</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910893/thank-you-card-from-richard-branson-and-virgin</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/439/large_smg00722083__0006_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/434/large_smg00722083__0001_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/437/large_smg00722083__0004_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/436/large_smg00722083__0003_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/435/large_smg00722083__0002_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/438/large_smg00722083__0005_.jpg</image:loc><image:title>Thank you card, from Richard Branson and Virgin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9028739/packaging-for-syringe-barrel-and-plunger</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373120/mcvitie-weston-valve-collection-marconi-wt-co-valve-type-e27</loc><lastmod>2026-01-09T15:23:52.959Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/362/large_smg00262519.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi WT Co valve, type E27</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373462/mcvitie-weston-valve-collection-ken-rad-valve-type-35z5-gt</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/576/large_smg00257701.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type 35Z5 GT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374160/mcvitie-weston-valve-collection-valve-type-5z4g</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/178/large_smg00257568.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 5Z4G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373523/mcvitie-weston-valve-collection-raytheon-valve-type-6a7</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/640/large_smg00257769.jpg</image:loc><image:title>McVitie Weston valve collection, Raytheon valve, type 6A7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374059/mcvitie-weston-valve-collection-valve-type-nr37</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/945/large_smg00257870.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373533/mcvitie-weston-valve-collection-philips-valve-type-th5</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/650/large_smg00257779.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type Th5</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373215/mcvitie-weston-valve-collection-valve-type-vt5b</loc><lastmod>2026-01-09T15:23:53.269Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/936/large_smg00259343.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.T.5.B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372362/mcvitie-weston-valve-collection-louden-valve-type-f2</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/541/large_smg00262930.jpg</image:loc><image:title>McVitie Weston valve collection, Louden valve, type F2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372663/mcvitie-weston-valve-collection-cunningham-valve-type-cx-299</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/391/large_smg00262778.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type CX-299</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373417/mcvitie-weston-valve-collection-movgec-valve-type-r</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/563/large_smg00257688.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374182/mcvitie-weston-valve-collection-mazda-valve-type-cv190</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/199/large_smg00257590.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type CV190</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373294/mcvitie-weston-valve-collection-cossor-hot-cathode-braun-tube-valve</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373010/mcvitie-weston-valve-collection-rca-cunningham-radiotron-valve-type-36</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/89/large_smg00259910.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Cunningham Radiotron valve, type 36</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373369/mcvitie-weston-valve-collection-arcturus-valve-type-p4</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/419/large_smg00262578.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type P4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373690/mcvitie-weston-valve-collection-brimar-valve-type-6a7</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/846/large_smg00259645.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 6A7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373626/mcvitie-weston-valve-collection-mullard-valve-type-pm24c</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/773/large_smg00259571.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM24C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372714/mcvitie-weston-valve-collection-dario-valve</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/651/large_smg00263040.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/708/large_smg00263040.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373929/mcvitie-weston-valve-collection-valve-type-vr135</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/385/large_smg00259471.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.135</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637250/ten-assorted-metal-components-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:53.504Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/940/large_smg00183284.jpg</image:loc><image:title>Ten assorted metal components from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372669/mcvitie-weston-valve-collection-rca-radiotron-valve-type-ux864</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/396/large_smg00262783.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UX864</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637219/metal-component-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/948/large_smg00183293.jpg</image:loc><image:title>Metal component from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373410/mcvitie-weston-valve-collection-cossor-valve-type-41mh</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/556/large_smg00257681.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 41MH</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373185/mcvitie-weston-valve-collection-movgec-valve-type-mt3</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/462/large_smg00313204.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type M.T.3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373273/mcvitie-weston-valve-collection-ediswan-barretter-valve-type-htb1</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/377/large_smg00262536.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan Barretter valve, type H.T.B.1.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372943/mcvitie-weston-valve-collection-siemens-halske-valve-type-or</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/17/large_smg00259817.jpg</image:loc><image:title>McVitie Weston valve collection, Siemens-Halske valve, type OR</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373128/mcvitie-weston-valve-collection-telefunken-valve-type-rs5</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372583/mcvitie-weston-valve-collection-ferranti-valve-type-lp4</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/410/large_smg00262797.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti valve, type L.P.4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8779557/two-fragmenst-from-the-case</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121971/two-ceramic-plates</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911443/analogue-signal-processor-blink-for-hawkings-cheek-movement-detector-without-enclosure</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/924/large_smg00722145__0001_.jpg</image:loc><image:title>Analogue signal processor (&apos;Blink&apos;) for Hawking&apos;s cheek movement detector, without enclosure</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9028754/needle-guard</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373412/mcvitie-weston-valve-collection-cossor-valve</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/558/large_smg00257683.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372566/mcvitie-weston-valve-collection-mullard-valve-type-pm6</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/332/large_smg00262719.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type P.M.6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373543/mcvitie-weston-valve-collection-valve-type-r</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/660/large_smg00257789.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type R</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372530/mcvitie-weston-valve-collection-cossor-valve-type-wr2</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/284/large_smg00262671.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type W.R.2.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372727/mcvitie-weston-valve-collection-tungsram-valve-type-de4</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/664/large_smg00263053.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type DE4</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/721/large_smg00263053.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type DE4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373932/mcvitie-weston-valve-collection-valve-type-cv1065</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/389/large_smg00259475.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV1065</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372745/mcvitie-weston-valve-collection-engineer-valve-type-gp</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/676/large_smg00263065.jpg</image:loc><image:title>McVitie Weston valve collection, Engineer valve, type G.P.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/733/large_smg00263065.jpg</image:loc><image:title>McVitie Weston valve collection, Engineer valve, type G.P.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372668/mcvitie-weston-valve-collection-rca-radiotron-valve-type-uv845</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/395/large_smg00262782.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type UV845</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374239/mcvitie-weston-valve-collection-mullard-valve-type-cl33</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/610/large_smg00313431.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type CL33</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/998/large_smg00313431.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type CL33</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372630/mcvitie-weston-valve-collection-western-electric-valve-type-239-a</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/361/large_smg00262748.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 239-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372985/mcvitie-weston-valve-collection-mazda-valve-type-acs2</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/63/large_smg00259884.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/S2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373102/mcvitie-weston-valve-collection-mullard-valve-type-7</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/349/large_smg00262502.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373836/mcvitie-weston-valve-collection-valve-type-6c5g</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/343/large_smg00259429.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6C5G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372541/mcvitie-weston-valve-collection-cossor-valve-type-210-lf</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/297/large_smg00262684.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 210 L.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242023/cathode-ray-tube</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/723/108/large_smg00362577.jpg</image:loc><image:title>Cathode Ray Tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384471/mr-ratcliffe</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373049/mcvitie-weston-valve-collection-tungsram-valve-type-77</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/317/large_smg00262468.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type 77</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373078/mcvitie-weston-valve-collection-ediswan-valve-type-es220-one-der</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/326/large_smg00262479.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type ES220 One-Der</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637224/copper-pipe-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:54.208Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/949/large_smg00183294.jpg</image:loc><image:title>Copper pipe from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373196/mcvitie-weston-valve-collection-movgec-valve-type-at26</loc><lastmod>2026-01-09T15:23:54.204Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/468/large_smg00313210.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type AT26</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/910/large_smg00313210.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type AT26</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910852/issue-of-french-magazine-ciel-et-espace-including-article-that-translates-as-the-strange-universe-of-mr-hawking</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/402/large_smg00722058__0001_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/405/large_smg00722058__0004_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/406/large_smg00722058__0005_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/403/large_smg00722058__0002_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/407/large_smg00722058__0006_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/404/large_smg00722058__0003_.jpg</image:loc><image:title>Issue of French Magazine &apos;Ciel et Espace&apos; including article that translates as &quot;The Strange Universe of Mr. Hawking&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372865/mcvitie-weston-valve-collection-cosmos-shortpath-valve-type-acp2</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/273/large_smg00313005.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos Shortpath valve, type A.C/P2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/807/large_smg00313005.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos Shortpath valve, type A.C/P2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374288/mcvitie-weston-valve-collection-valve-type-cv52</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/558/large_smg00263684.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV52</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372518/mcvitie-weston-valve-collection-bth-mazda-valve-type-hl607</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/274/large_smg00262661.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type H.L.607</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373000/mcvitie-weston-valve-collection-arcturus-valve-type-124</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/79/large_smg00259900.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type 124</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/483/932/large_smg00259900.jpg</image:loc><image:title>McVitie Weston valve collection, Arcturus valve, type 124</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373682/mcvitie-weston-valve-collection-brimar-valve-type-101</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/834/large_smg00259633.jpg</image:loc><image:title>McVitie Weston valve collection, Brimar valve, type 101</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384449/young-boy-in-uniform</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372587/mcvitie-weston-valve-collection-hivac-valve-type-p220</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/348/large_smg00262735.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type P220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518086/five-hermetically-sealed-electrical-components-for-microdensitometer</loc><lastmod>2026-01-09T15:23:54.442Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373244/mcvitie-weston-valve-collection-rca-radiotron-valve-type-807</loc><lastmod>2026-01-09T15:23:54.539Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/938/large_smg00259345.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 807</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372962/mcvitie-weston-valve-collection-marconi-valve-type-s625</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/35/large_smg00259852.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type S625</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373459/mcvitie-weston-valve-collection-mullard-valve-type-pm2ba</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/573/large_smg00257698.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM2BA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373821/mcvitie-weston-valve-collection-rca-valve-type-83</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/248/large_smg00257938.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 83</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241991/8-inch-display-monitor</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/276/large_smg00221162.jpg</image:loc><image:title>8 Inch Display Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372859/mcvitie-weston-valve-collection-osram-valve-type-ml4</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/456/large_smg00263161.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type ML4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372567/mcvitie-weston-valve-collection-mullard-valve-type-pm6d</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/333/large_smg00262720.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM6D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373665/mcvitie-weston-valve-collection-national-union-valve-type-371b</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/811/large_smg00259610.jpg</image:loc><image:title>McVitie Weston valve collection, National Union valve, type 371B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373586/mcvitie-weston-valve-collection-valve-type-kc1</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/725/large_smg00259494.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type KC1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373631/mcvitie-weston-valve-collection-stc-valve-type-4102d</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/779/large_smg00259577.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372812/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-37</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/729/large_smg00263119.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No 37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374112/mcvitie-weston-valve-collection-valve-type-vt51</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/165/large_smg00257555.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.T.51</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373491/mcvitie-weston-valve-collection-arco-valve-type-2a7</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/607/large_smg00257734.jpg</image:loc><image:title>McVitie Weston valve collection, Arco valve, type 2A7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373325/mcvitie-weston-valve-collection-mullard-valve-type-em3</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/392/large_smg00262551.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type EM3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373662/mcvitie-weston-valve-collection-osram-valve-type-mhd4</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/808/large_smg00259607.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MHD4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372700/mcvitie-weston-valve-collection-six-sixty-valve-type-ss10</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/637/large_smg00263026.jpg</image:loc><image:title>McVitie Weston valve collection, Six-Sixty valve, type S.S.10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121346/section-of-miniature-hospital-including-entrance-and-staircase</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/3/635/large_a603147__0011_.jpg</image:loc><image:title>Section of miniature hospital including entrance and staircase</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373433/mcvitie-weston-valve-collection-osram-valve-type-da30</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/589/large_smg00283641.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type DA30</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372614/mcvitie-weston-valve-collection-western-electric-valve-type-203a</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/482/large_smg00263187.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 203A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373995/mcvitie-weston-valve-collection-rca-radiotron-valve-type-42</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/438/large_smg00313178.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 42</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/883/large_smg00313178.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384078/mcvitie-weston-valve-collection-valve-type-nr38</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/295/large_smg00258028.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR38</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373227/mcvitie-weston-valve-collection-mullard-valve-type-p01jc</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/319/large_smg00259318.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type P0/1JC</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373920/mcvitie-weston-valve-collection-hmv-valve-type-a915</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/378/large_smg00259464.jpg</image:loc><image:title>McVitie Weston valve collection, H.M.V. valve, type A915</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372576/mcvitie-weston-valve-collection-mullard-valve-type-d0-10</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/343/large_smg00262730.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type D0 10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373973/mcvitie-weston-valve-collection-ken-rad-valve-type-vt-104</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/416/large_smg00313156.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type VT-104</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/861/large_smg00313156.jpg</image:loc><image:title>McVitie Weston valve collection, Ken-Rad valve, type VT-104</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373897/mcvitie-weston-valve-collection-valve-type-cv118</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/303/large_smg00261366.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV118</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373697/mcvitie-weston-valve-collection-hivac-valve-type-vp216</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/854/large_smg00259653.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type VP216</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373674/mcvitie-weston-valve-collection-mazda-tetrode-exptl-valve</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/821/large_smg00259620.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda Tetrode (Exptl) valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373776/mcvitie-weston-valve-collection-valve-type-231a-exptl</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/927/large_smg00259726.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 231A (Exptl)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373792/mcvitie-weston-valve-collection-valve-type-ats25</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/274/large_smg00258003.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type ATS.25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8911446/static-shielding-bag</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/498/large_smg00722142__0001_.jpg</image:loc><image:title>Static shielding bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373502/mcvitie-weston-valve-collection-sylvania-valve-type-53</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/618/large_smg00257745.jpg</image:loc><image:title>McVitie Weston valve collection, Sylvania valve, type 53</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373896/mcvitie-weston-valve-collection-valve-type-cv118</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/304/large_smg00261367.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV118</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372517/mcvitie-weston-valve-collection-bth-mazda-valve-type-p220</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/273/large_smg00262660.jpg</image:loc><image:title>McVitie Weston valve collection, BTH Mazda valve, type P.220</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242750/copy-of-medieval-swaddling-clothes</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372732/mcvitie-weston-valve-collection-tungsram-valve-type-p60500</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/279/large_smg00313011.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type P60/500</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/812/large_smg00313011.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type P60/500</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372368/mcvitie-weston-valve-collection-tekade-valve-type-k1</loc><lastmod>2026-01-09T15:23:55.400Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/548/large_smg00262937.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type K1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372824/mcvitie-weston-valve-collection-bth-valve-type-l2</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/740/large_smg00263130.jpg</image:loc><image:title>McVitie Weston valve collection, BTH valve, type L2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8640069/book-of-blueprints-associated-with-the-german-twin-gyro-vertical-stabiliser-unit</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910751/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/12/large_smg00722030__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/352/large_smg00722030__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241924/marconi-mk-iv-television-camera-module</loc><lastmod>2026-01-09T15:23:55.419Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374191/mcvitie-weston-valve-collection-gecusa-valve-type-6j5-gtg</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/208/large_smg00257599.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/USA valve, type 6J5 GT/G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372640/mcvitie-weston-valve-collection-cunningham-valve-type-cx-301-a</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/369/large_smg00262756.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type CX-301-A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374240/mcvitie-weston-valve-collection-mullard-valve-type-cl33</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/611/large_smg00313432.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type CL33</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/999/large_smg00313432.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type CL33</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373644/mcvitie-weston-valve-collection-osram-valve-type-u19</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/792/large_smg00259591.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type U19</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374019/mcvitie-weston-valve-collection-mov-valve-type-d42</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/312/large_smg00258051.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type D42</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374065/mcvitie-weston-valve-collection-valve-type-vr108</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/951/large_smg00257876.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type V.R.108</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373205/mcvitie-weston-valve-collection-gec-valve-type-at40</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/457/large_smg00313199.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type AT40</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/900/large_smg00313199.jpg</image:loc><image:title>McVitie Weston valve collection, GEC valve, type AT40</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910763/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/21/large_smg00722038__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/363/large_smg00722038__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373340/mcvitie-weston-valve-collection-osramgec-filament-lamp-valve-type-9v100a</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/220/large_smg00257611.jpg</image:loc><image:title>McVitie Weston valve collection, Osram/GEC filament lamp valve, type 9V100A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373445/mcvitie-weston-valve-collection-tungsram-valve-type-br201</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/309/large_smg00313044.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type BR201</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/316/large_smg00313044.jpg</image:loc><image:title>McVitie Weston valve collection, Tungsram valve, type BR201</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374145/mcvitie-weston-valve-collection-movgec-valve-type-nr51</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/137/large_smg00257526.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type NR51</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373115/mcvitie-weston-valve-collection-cossor-valve-type-41-mts</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/358/large_smg00262515.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 41 M.T.S.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co522208/quinks-tubes</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372359/mcvitie-weston-valve-collection-ferranti-extraudion-valve</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/535/large_smg00262924.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti Extraudion valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372907/mcvitie-weston-valve-collection-six-sixty-valve-type-ss4gpac</loc><lastmod>2026-01-09T15:23:55.589Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/979/large_smg00259779.jpg</image:loc><image:title>McVitie Weston valve collection, Six-sixty valve, type S.S.4.GP.AC</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372580/mcvitie-weston-valve-collection-mullard-valve-type-d025</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/407/large_smg00262794.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type D025</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373048/mcvitie-weston-valve-collection-tetrode-valve</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/316/large_smg00262467.jpg</image:loc><image:title>McVitie Weston valve collection, Tetrode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373069/mcvitie-weston-valve-collection-loewe-valve-type-wg33</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/295/large_smg00262446.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type WG33</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372553/mcvitie-weston-valve-collection-cossor-valve-type-d06</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/310/large_smg00262697.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type D.06</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373765/mcvitie-weston-valve-collection-valve-type-cv15</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/916/large_smg00259715.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373319/mcvitie-weston-valve-collection-cossor-valve-type-3273</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/230/large_smg00257918.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 3273</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372545/mcvitie-weston-valve-collection-cossor-stentor-two-valve</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/302/large_smg00262689.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor Stentor Two valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372579/mcvitie-weston-valve-collection-mullard-valve-type-d025</loc><lastmod>2026-01-09T15:23:55.745Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/406/large_smg00262793.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type D025</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372676/mcvitie-weston-valve-collection-tekade-valve-type-4l15</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/614/large_smg00263003.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type 4L15</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373989/mcvitie-weston-valve-collection-valve-type-nr52</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/432/large_smg00313172.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR52</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/877/large_smg00313172.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NR52</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373403/mcvitie-weston-valve-collection-osram-valve-type-pt16</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/573/large_smg00283625.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PT16</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374284/mcvitie-weston-valve-collection-valve-type-cv127</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/556/large_smg00263682.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV127</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374058/mcvitie-weston-valve-collection-valve-type-1616</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/943/large_smg00257868.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 1616</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374214/mcvitie-weston-valve-collection-movgec-valve-type-vmp4g</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/585/large_smg00313406.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VMP4G</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/976/large_smg00313406.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type VMP4G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246720/glass-phial-of-digitalone-tablets</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373970/mcvitie-weston-valve-collection-philips-valve-type-c1c</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/412/large_smg00313152.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type C1C</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/858/large_smg00313152.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type C1C</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374138/mcvitie-weston-valve-collection-mov-valve-type-nr76</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/145/large_smg00257534.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR76</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518083/technical-diagram-of-densitometer-arrangement</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121939/tin-hat-worn-by-nurses-and-midwives</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372537/mcvitie-weston-valve-collection-cossor-valve-type-210-hf</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/292/large_smg00262679.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 210 H.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241953/pye-mk-iii-television-camera-head</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/700/large_smg00221787.jpg</image:loc><image:title>Pye Mk III Television Camera Head</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372684/mcvitie-weston-valve-collection-telefunken-valve-type-ren-914</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/622/large_smg00263011.jpg</image:loc><image:title>McVitie Weston valve collection, Telefunken valve, type REN 914</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635972/wrought-iron-plate-coated-with-magnetic-oxide-of-iron-by-bowers-and-barffs-process</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/402/620/large_smg00080289.jpg</image:loc><image:title>Wrought-iron plate coated with magnetic oxide of iron by Bowers and Barffs&apos; process</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373145/mcvitie-weston-valve-collection-mullard-valve-type-010</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/448/large_smg00262607.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type 0.10</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374197/mcvitie-weston-valve-collection-rca-valve-type-6sk7-gtg</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/214/large_smg00257605.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6SK7 GT/G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373031/mcvitie-weston-valve-collection-lissen-valve-type-sg215</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/111/large_smg00259932.jpg</image:loc><image:title>McVitie Weston valve collection, Lissen valve, type SG215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373559/mcvitie-weston-valve-collection-mazda-valve-type-vp1321</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/679/large_smg00257808.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type VP.1321</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374248/mcvitie-weston-valve-collection-stc-valve-type-nt37</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/401/large_smg00313140.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type NT.37</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/849/large_smg00313140.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type NT.37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910787/binder-with-copies-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/384/large_smg00722049__0002_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/383/large_smg00722049__0001_.jpg</image:loc><image:title>Binder with copies of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373699/mcvitie-weston-valve-collection-hivac-valve-type-j240</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/856/large_smg00259655.jpg</image:loc><image:title>McVitie Weston valve collection, Hivac valve, type J240</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373065/mcvitie-weston-valve-collection-loewe-valve-type-3nfb</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/291/large_smg00262442.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 3NFB</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372658/mcvitie-weston-valve-collection-cunningham-valve-type-cx-371</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/385/large_smg00262772.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type CX 371</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374098/mcvitie-weston-valve-collection-valve-type-vt105</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/985/large_smg00257911.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VT105</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372482/mcvitie-weston-valve-collection-ediswan-valve-type-rc610</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/247/large_smg00262634.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type R.C.610</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372771/mcvitie-weston-valve-collection-amrex-valve</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912749/software-keyboard-emulator</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/629/large_smg00722285__0001_.jpg</image:loc><image:title>Software keyboard emulator</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/630/large_smg00722285__0002_.jpg</image:loc><image:title>Software keyboard emulator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374312/mcvitie-weston-valve-collection-valve-type-cv199</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373275/mcvitie-weston-valve-collection-mullard-potential-divider-valve</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/452/952/large_smg00259362.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard potential divider valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373467/mcvitie-weston-valve-collection-osram-valve-type-b21</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/580/large_smg00257706.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type B21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637197/competition-plate-associated-with-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:56.441Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/331/710/large_smg00183306.jpg</image:loc><image:title>Competition plate, associated with the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373194/mcvitie-weston-valve-collection-movgec-valve-type-at25</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/452/large_smg00313194.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.T.25</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/895/large_smg00313194.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type A.T.25</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912730/wheelchair-programmer</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/594/large_smg00722266__0002_.jpg</image:loc><image:title>Wheelchair programmer</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/593/large_smg00722266__0001_.jpg</image:loc><image:title>Wheelchair programmer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637237/oil-resevoir-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/394/947/large_smg00183292.jpg</image:loc><image:title>Oil resevoir from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373937/mcvitie-weston-valve-collection-osram-valve-type-vt107</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/337/large_smg00259364.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type VT107</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373277/mcvitie-weston-valve-collection-philips-miniwatt-valve-type-c1</loc><lastmod>2026-01-09T15:23:56.587Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/379/large_smg00262538.jpg</image:loc><image:title>McVitie Weston valve collection, Philips Miniwatt valve, type C.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373918/mcvitie-weston-valve-collection-valve-type-vu120a</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/377/large_smg00259463.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU120A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246688/television-camera-electronics-coffin-camera-marconi</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/350/large_smg00221270.jpg</image:loc><image:title>Television Camera Electronics, Coffin Camera, Marconi</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373378/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/425/large_smg00262584.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373708/mcvitie-weston-valve-collection-mazda-valve-type-acpen</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/865/large_smg00259664.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/PEN</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122307/state-registered-nurses-shoulder-flash</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/427/large_1982_0561_0148.jpg</image:loc><image:title>State Registered Nurse&apos;s shoulder flash</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246723/syringe</loc><lastmod>2026-01-09T15:23:56.853Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372993/mcvitie-weston-valve-collection-mullard-valve-type-s4va</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/72/large_smg00259893.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type S4VA</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373681/mcvitie-weston-valve-collection-mov-valve-type-cv6</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/833/large_smg00259632.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type CV6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373217/mcvitie-weston-valve-collection-mullard-valve-type-sw1</loc><lastmod>2026-01-09T15:23:56.984Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372988/mcvitie-weston-valve-collection-mazda-valve-type-s215-vm</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/66/large_smg00259887.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type S.215 VM.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121345/section-of-miniature-hospital-including-kitchen-and-theatre</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/3/636/large_a603147__0012_.jpg</image:loc><image:title>Section of miniature hospital including kitchen and theatre</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373581/mcvitie-weston-valve-collection-mullard-valve-type-tdd2a</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/720/large_smg00259489.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type TDD2A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372367/mcvitie-weston-valve-collection-tekade-valve-type-t1</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/547/large_smg00262936.jpg</image:loc><image:title>McVitie Weston valve collection, TeKaDe valve, type T.1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373441/mcvitie-weston-valve-collection-marconi-valve-type-p2</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/531/large_smg00313285.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type P2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/492/349/large_smg00313285.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type P2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374069/mcvitie-weston-valve-collection-cossor-valve-type-41-mpt</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/946/large_smg00257871.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 41 MPT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373703/mcvitie-weston-valve-collection-loewe-valve-type-2hmd</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/860/large_smg00259659.jpg</image:loc><image:title>McVitie Weston valve collection, Loewe valve, type 2HMD</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373957/mcvitie-weston-valve-collection-valve-type-cv43</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/411/large_smg00281544.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV43</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8912745/infrared-sound-touch-switch-for-communications-by-words</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/622/large_smg00722281__0001_.jpg</image:loc><image:title>Infrared / Sound / Touch switch for communications by Words+</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/623/large_smg00722281__0002_.jpg</image:loc><image:title>Infrared / Sound / Touch switch for communications by Words+</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372823/mcvitie-weston-valve-collection-stc-valve-type-4020a</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/739/large_smg00263129.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4020A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373469/mcvitie-weston-valve-collection-osram-valve-type-kt32</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/582/large_smg00257708.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type KT32</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372858/mcvitie-weston-valve-collection-osram-valve-type-a577</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/455/large_smg00263160.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type A577</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373764/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/907/large_smg00259706.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120940/male-urinal</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/490/669/large_smg00278644.jpg</image:loc><image:title>Male urinal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373605/mcvitie-weston-valve-collection-mazda-valve-type-l21dd</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/749/large_smg00259547.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type L21DD</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372811/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-37</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/728/large_smg00263118.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No 37</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373219/mcvitie-weston-valve-collection-mullard-transmitting-triode-valve-type-100w</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372991/mcvitie-weston-valve-collection-mullard-valve-type-pm13</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/69/large_smg00259890.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372866/mcvitie-weston-valve-collection-ediswan-valve-type-m</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/932/large_smg00259731.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan valve, type M</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373374/mcvitie-weston-valve-collection-valve-type-d-86702</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/422/large_smg00262581.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type D-86702</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374044/mcvitie-weston-valve-collection-osram-valve-type-nr16a</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/924/large_smg00257849.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR16A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373790/mcvitie-weston-valve-collection-rca-valve-type-801a</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/277/large_smg00258006.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 801A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8635970/iron-ore-from-gellivara</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/399/803/large_smg00080741.jpg</image:loc><image:title>Iron ore from Gellivara</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241898/marconi-coffin-camera-power-supply-incomplete</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/289/large_smg00221175.jpg</image:loc><image:title>Marconi Coffin Camera Power Supply (Incomplete)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374001/mcvitie-weston-valve-collection-mov-valve-type-kt2</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/442/large_smg00313182.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type KT2</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/887/large_smg00313182.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type KT2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373716/mcvitie-weston-valve-collection-ferranti-valve-type-vr21</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/873/large_smg00259672.jpg</image:loc><image:title>McVitie Weston valve collection, Ferranti valve, type V.R.21</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373940/mcvitie-weston-valve-collection-osram-valve-type-px4</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/403/large_smg00281535.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type PX4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374210/mcvitie-weston-valve-collection-osram-valve-type-nr66</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/583/large_smg00313401.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR66</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/974/large_smg00313401.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type NR66</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373510/mcvitie-weston-valve-collection-philco-valve-type-6a7e</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/627/large_smg00257754.jpg</image:loc><image:title>McVitie Weston valve collection, Philco valve, type 6A7E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372558/mcvitie-weston-valve-collection-mullard-valve-type-pm1lf</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/319/large_smg00262706.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type PM1LF</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373306/mcvitie-weston-valve-collection-ediswan-projection-tube-valve-type-20kv</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/254/large_smg00257983.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan projection tube valve, type 20kV</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373822/mcvitie-weston-valve-collection-osram-valve-type-vu111</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/247/large_smg00257937.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type VU111</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910748/binder-with-draft-versions-of-preprints-for-distribution</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/0/large_smg00722022__0001_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/3/large_smg00722022__0006_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/1/large_smg00722022__0002_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/2/large_smg00722022__0003_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/345/large_smg00722022__0005_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/344/large_smg00722022__0004_.jpg</image:loc><image:title>Binder with draft versions of preprints for distribution</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372918/mcvitie-weston-valve-collection-marconi-valve-type-fe2</loc><lastmod>2026-01-09T15:23:58.132Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/991/large_smg00259791.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type F.E.2</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372945/mcvitie-weston-valve-collection-tetrode-valve</loc><lastmod>2026-01-09T15:23:58.158Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/19/large_smg00259819.jpg</image:loc><image:title>McVitie Weston valve collection, Tetrode valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241881/equipment-with-three-lenses</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co518072/electronics-switch-box-for-microdensitometer</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/746/562/large_smg00650210.jpg</image:loc><image:title>Electronics/ Switch Box for Microdensitometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637211/metal-component-with-spring-attached-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/406/457/large_smg00194001.jpg</image:loc><image:title>Metal component with spring attached from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372539/mcvitie-weston-valve-collection-cossor-valve-type-210-rc</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/294/large_smg00262681.jpg</image:loc><image:title>McVitie Weston valve collection, Cossor valve, type 210 R.C.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372647/mcvitie-weston-valve-collection-daven-valve-type-mu-20</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/376/large_smg00262763.jpg</image:loc><image:title>McVitie Weston valve collection, Daven valve, type MU-20</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373839/mcvitie-weston-valve-collection-valve-type-vs110</loc><lastmod>2026-01-09T15:23:58.378Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/347/large_smg00259433.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VS.110</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372495/mcvitie-weston-valve-collection-cosmos-valve-type-sp18-green-spot</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/254/large_smg00262641.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type S.P.18 (Green spot)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374159/mcvitie-weston-valve-collection-valve-type-5z4g</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/177/large_smg00257567.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 5Z4G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372827/mcvitie-weston-valve-collection-osram-valve-type-p625a</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/490/large_smg00313233.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type P625A</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/932/large_smg00313233.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type P625A</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373551/mcvitie-weston-valve-collection-mazda-valve-type-ac2pen</loc><lastmod>2026-01-09T15:23:58.486Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/668/large_smg00257797.jpg</image:loc><image:title>McVitie Weston valve collection, Mazda valve, type AC/2/PEN</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777491/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910360/framed-photograph-of-albert-einstein-in-a-leather-jacket</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372833/mcvitie-weston-valve-collection-mov-gec-valve-type-vt-no-86</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/747/large_smg00263137.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/ GEC valve, type V.T. No. 86</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373986/mcvitie-weston-valve-collection-rca-valve-type-6a6</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/429/large_smg00313169.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6A6</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/874/large_smg00313169.jpg</image:loc><image:title>McVitie Weston valve collection, RCA valve, type 6A6</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373943/mcvitie-weston-valve-collection-valve-type-6ab71853</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/398/large_smg00281530.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6AB7/1853</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372506/mcvitie-weston-valve-collection-cosmos-valve-type-de55</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/265/large_smg00262652.jpg</image:loc><image:title>McVitie Weston valve collection, Cosmos valve, type DE55</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910553/academic-journal-notes-and-records-of-the-royal-society-journal-of-the-history-of-science-from-june-2017</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/560/large_smg00721993__0001_.jpg</image:loc><image:title>Academic Journal: Notes and Records of the Royal Society, Journal of the History of Science, from June 2017</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/662/561/large_smg00721993__0002_.jpg</image:loc><image:title>Academic Journal: Notes and Records of the Royal Society, Journal of the History of Science, from June 2017</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373119/mcvitie-weston-valve-collection-gecusa-valve-type-fp54</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/361/large_smg00262518.jpg</image:loc><image:title>McVitie Weston valve collection, GEC/USA valve, type FP54</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8246676/television-camera-head-portable-version</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/349/large_smg00221269.jpg</image:loc><image:title>Television Camera Head, Portable Version</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372930/mcvitie-weston-valve-collection-mullard-valve-type-vt-exptl</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/3/large_smg00259803.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VT (Exptl.)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374056/mcvitie-weston-valve-collection-movgec-valve-type-nr27</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/941/large_smg00257866.jpg</image:loc><image:title>McVitie Weston valve collection, MOV/GEC valve, type NR27</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374109/mcvitie-weston-valve-collection-valve-type-vu72</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/162/large_smg00257552.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type VU72</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374161/mcvitie-weston-valve-collection-mov-valve-type-nr41</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/179/large_smg00257569.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372711/mcvitie-weston-valve-collection-radio-micro-valve-type-rt</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/648/large_smg00263037.jpg</image:loc><image:title>McVitie Weston valve collection, Radio Micro valve, type RT</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/705/large_smg00263037.jpg</image:loc><image:title>McVitie Weston valve collection, Radio Micro valve, type RT</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373116/mcvitie-weston-valve-collection-lustrolux-anti-microphonic-valve</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/359/large_smg00262516.jpg</image:loc><image:title>McVitie Weston valve collection, Lustrolux Anti-microphonic valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co122279/small-white-enamel-jug-with-blue-rim</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/405/748/large_smg00167539.jpg</image:loc><image:title>Small white enamel jug with blue rim</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8636205/filament-wire-associated-with-the-2lo-transmitter</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/471/705/large_smg00292333.jpg</image:loc><image:title>Filament Wire Associated with the 2LO Transmitter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373618/mcvitie-weston-valve-collection-philips-valve-type-e443h</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/766/large_smg00259564.jpg</image:loc><image:title>McVitie Weston valve collection, Philips valve, type E443H</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8448469/rainhill-locomotive-model</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/754/928/large_2015_7089.jpg</image:loc><image:title>Rainhill locomotive model</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373838/mcvitie-weston-valve-collection-valve-type-6x5g</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/345/large_smg00259431.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type 6X5G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373343/mcvitie-weston-valve-collection-rca-radiotron-valve-type-868</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/398/large_smg00262557.jpg</image:loc><image:title>McVitie Weston valve collection, RCA Radiotron valve, type 868</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372878/mcvitie-weston-valve-collection-cossor-valve-type-41-mhl</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777486/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247036/glass-specimen-jar</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8777488/part-of-marconi-15kw-transmitter-used-by-2lo</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384434/serious-young-woman</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372855/mcvitie-weston-valve-collection-osram-valve-type-mh41</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/766/large_smg00263157.jpg</image:loc><image:title>McVitie Weston valve collection, Osram valve, type MH41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384374/woman-seated-in-chair</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373774/mcvitie-weston-valve-collection-valve</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/925/large_smg00259724.jpg</image:loc><image:title>McVitie Weston valve collection, valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374011/mcvitie-weston-valve-collection-mullard-valve-type-vr41</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/909/large_smg00257834.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VR41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373732/mcvitie-weston-valve-collection-mullard-valve-type-nr43</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/890/large_smg00259689.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type NR43</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372927/mcvitie-weston-valve-collection-mullard-valve-type-dg</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/0/large_smg00259800.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type D.G</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373859/mcvitie-weston-valve-collection-valve-type-nu7</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/362/large_smg00259448.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type NU7</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373964/mcvitie-weston-valve-collection-stc-valve-type-g10240e</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/405/large_smg00313145.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type G10/240E</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/852/large_smg00313145.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type G10/240E</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372643/mcvitie-weston-valve-collection-cunningham-valve-type-cx310</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/372/large_smg00262759.jpg</image:loc><image:title>McVitie Weston valve collection, Cunningham valve, type CX310</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co121979/packet-containing-double-cyanide-gauze</loc><lastmod>2026-01-09T15:23:59.383Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374162/mcvitie-weston-valve-collection-mov-valve-type-nr41</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/180/large_smg00257570.jpg</image:loc><image:title>McVitie Weston valve collection, MOV valve, type NR41</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372608/mcvitie-weston-valve-collection-western-electric-valve-type-102-d</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/476/large_smg00263181.jpg</image:loc><image:title>McVitie Weston valve collection, Western Electric valve, type 102-D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374135/mcvitie-weston-valve-collection-valve-type-cv63</loc><lastmod>2026-01-09T15:23:59.372Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/449/142/large_smg00257531.jpg</image:loc><image:title>McVitie Weston valve collection, valve, type CV63</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247342/television-stand-for-bang-and-olufsen-beovision-mx2000-colour-television-and-vcr</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/533/901/large_smg00357701.jpg</image:loc><image:title>Television Stand For Bang and Olufsen Beovision MX2000 Colour Television And VCR</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373338/mcvitie-weston-valve-collection-x-ray-tube-cold-cathode-boiling-valve</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/451/239/large_smg00257928.jpg</image:loc><image:title>McVitie Weston valve collection, X-Ray tube, cold cathode, boiling valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373537/mcvitie-weston-valve-collection-american-valve-type-kg4</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/654/large_smg00257783.jpg</image:loc><image:title>McVitie Weston valve collection, American valve, type KG4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373830/mcvitie-weston-valve-collection-osram-valve-type-nr26</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372935/mcvitie-weston-valve-collection-dario-valve-type-p-3</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/9/large_smg00259809.jpg</image:loc><image:title>McVitie Weston valve collection, Dario valve, type P(  )3</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373170/mcvitie-weston-valve-collection-mullard-valve-type-nt13</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/331/large_smg00313067.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type N.T.13</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373350/mcvitie-weston-valve-collection-king-valve-type-k2short</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/405/large_smg00262564.jpg</image:loc><image:title>McVitie Weston valve collection, King valve, type K2(short)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372903/mcvitie-weston-valve-collection-majestic-valve-type-g-27-s</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/975/large_smg00259775.jpg</image:loc><image:title>McVitie Weston valve collection, Majestic valve, type G-27-S</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373307/mcvitie-weston-valve-collection-ediswan-special-cr-tube-valve</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/1/large_smg00261092.jpg</image:loc><image:title>McVitie Weston valve collection, Ediswan Special C.R. tube valve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241905/television-camera-head</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373001/mcvitie-weston-valve-collection-ever-ready-raytheon-valve-type-er224</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/80/large_smg00259901.jpg</image:loc><image:title>McVitie Weston valve collection, Ever Ready Raytheon valve, type ER224</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241958/pye-842844-triple-standard-monitor</loc><lastmod>2026-01-09T15:23:59.616Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/369/large_smg00221312.jpg</image:loc><image:title>Pye 842844 Triple Standard Monitor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241899/marconi-coffin-camera-power-supply</loc><lastmod>2026-01-09T15:23:59.820Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/530/288/large_smg00221174.jpg</image:loc><image:title>Marconi Coffin Camera Power Supply</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373584/mcvitie-weston-valve-collection-mullard-valve-type-vp4f</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/723/large_smg00259492.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VP4F</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372759/mcvitie-weston-valve-collection-britannia-valve-type-hf</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/453/691/large_smg00263080.jpg</image:loc><image:title>McVitie Weston valve collection, Britannia valve, type H.F.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/748/large_smg00263080.jpg</image:loc><image:title>McVitie Weston valve collection, Britannia valve, type H.F.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8637215/eight-assorted-components-from-the-three-wheeled-benz-motor-car</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/406/463/large_smg00194007.jpg</image:loc><image:title>Eight assorted components from the three wheeled Benz motor car</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373630/mcvitie-weston-valve-collection-stc-valve-type-4102d</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/455/778/large_smg00259576.jpg</image:loc><image:title>McVitie Weston valve collection, STC valve, type 4102D</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8374228/mcvitie-weston-valve-collection-mullard-valve-type-vp4b</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/486/599/large_smg00313420.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VP4B</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/491/990/large_smg00313420.jpg</image:loc><image:title>McVitie Weston valve collection, Mullard valve, type VP4B</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8372963/mcvitie-weston-valve-collection-marconi-valve-type-s215</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/456/36/large_smg00259853.jpg</image:loc><image:title>McVitie Weston valve collection, Marconi valve, type S215</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910888/thank-you-card-for-help-making-a-film</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/905/large_smg00722078__0001_.jpg</image:loc><image:title>Thank you card for help making a film</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/646/909/large_smg00722078__0003_.jpg</image:loc><image:title>Thank you card for help making a film</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8909910/infrared-cheek-movement-sensor-for-communication</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/903/large_smg00721962__0001_.jpg</image:loc><image:title>infrared cheek movement sensor for communication</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/645/904/large_smg00721962__0002_.jpg</image:loc><image:title>infrared cheek movement sensor for communication</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384429/boy-wearing-a-straw-hat</loc><lastmod>2026-01-09T15:24:00.559Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415522/aerial-anomast-television-aerial</loc><lastmod>2026-01-09T17:16:49.733Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/742/large_cd0686_056_120423_2012_15_36_aerialite_anomast_aerial.jpg</image:loc><image:title>Aerial Anomast television aerial</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8349730/himmlers-body</loc><lastmod>2026-01-09T17:16:49.732Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608094/muslim-refugees-climbing-onto-a-train-bound-for-pakistan</loc><lastmod>2026-01-09T17:16:49.733Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co214261/war-department-workmans-train-pass</loc><lastmod>2026-01-09T17:16:49.732Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409323/ferranti-shell-proximity-fuze</loc><lastmod>2026-01-09T17:16:49.733Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/591/large_smg00249435__0001_.jpg</image:loc><image:title>Ferranti Shell Proximity Fuze</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/592/large_smg00249435__0002_.jpg</image:loc><image:title>Ferranti Shell Proximity Fuze</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8817922/copper-oxygen-pipe-from-nhs-nightingale-north-west</loc><lastmod>2026-01-09T17:16:49.732Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/719/570/large_2022_0038__0001_.jpg</image:loc><image:title>Copper Oxygen Pipe from NHS Nightingale North West</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608676/intravenous-pole-for-use-in-healthcare-settings</loc><lastmod>2026-01-09T17:16:49.732Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8608091/muslim-refugees-on-new-delhi-station-platform-and-a-train-bound-for-pakistan</loc><lastmod>2026-01-09T17:17:02.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co221872/oil-can-hull-and-selby-railway</loc><lastmod>2026-01-09T17:17:02.196Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co226728/victoria-bridge-over-the-river-wear</loc><lastmod>2026-01-09T20:27:39.848Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/9/79/pic_1992_7816.jpg</image:loc><image:title>Victoria Bridge over the River Wear</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co227624/letchworth-station</loc><lastmod>2026-01-09T20:27:39.848Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/13/396/pic_1983_8607.jpg</image:loc><image:title>Letchworth Station</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co131/photograph-of-an-old-clock-from-a-german-monastary</loc><lastmod>2026-01-09T20:27:41.700Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8458224/thermostatic-trap</loc><lastmod>2026-01-09T20:27:41.700Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/254/652/large_y1990_0123_0016__0001_.jpg</image:loc><image:title>thermostatic 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Pullman</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co85547/plaster-copy-of-sarcophagus-cover-of-the-hydrocephalic-dwarf-zeher</loc><lastmod>2026-01-09T20:27:42.036Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8237217/zippy-from-rainbow</loc><lastmod>2026-01-09T20:27:42.036Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8028592/discover-britains-scenic-railway</loc><lastmod>2026-01-09T20:27:41.920Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/713/534/large_2003_7904.jpg</image:loc><image:title>Discover Britain&apos;s Scenic Railway</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co226786/second-class-the-parting</loc><lastmod>2026-01-09T20:27:42.640Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/9/535/pic_1975_8509.jpg</image:loc><image:title>Second Class: The Parting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8047570/watercolour-diseased-condition-of-toenails</loc><lastmod>2026-01-09T20:27:42.640Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co107087/small-bone-snuff-box</loc><lastmod>2026-01-09T20:27:42.640Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/432/227/large_smg00165388.jpg</image:loc><image:title>Small bone snuff box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8047581/watercolour-showing-severe-infantile-eczema</loc><lastmod>2026-01-09T20:27:43.944Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9357922/shunting-pole-from-london-midland-and-scottish-railway</loc><lastmod>2026-01-09T20:27:44.440Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8353295/audio-cassette-travelling-time</loc><lastmod>2026-01-09T20:27:45.615Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co226811/first-class-the-meeting</loc><lastmod>2026-01-09T20:27:45.615Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/11/337/pic_1975_8534.jpg</image:loc><image:title>First Class: The Meeting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co211531/model-of-brunels-disc-and-crossbar-signal</loc><lastmod>2026-01-09T20:27:45.234Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8047674/watercolour-left-ventricle</loc><lastmod>2026-01-09T20:27:46.932Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co142998/two-penter-enema-syringes-with-nozzles</loc><lastmod>2026-01-09T20:27:46.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/484/186/large_smg00265432.jpg</image:loc><image:title>Two penter enema syringes with nozzles</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8047682/watercolour-embolism-of-central-retinal-artery</loc><lastmod>2026-01-09T20:27:46.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8047683/watercolour-shoulder-girdle</loc><lastmod>2026-01-09T20:27:46.899Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728441/wooden-tobacco-pipe-with-elongated-stem-and-round-bowl</loc><lastmod>2026-01-09T20:27:47.929Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8728440/wooden-carved-tobacco-pipe</loc><lastmod>2026-01-09T20:27:47.929Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co205775/steam-locomotive-beattie-well-tank</loc><lastmod>2026-01-09T20:27:46.854Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co227107/oil-painting-depicting-robert-stephenson</loc><lastmod>2026-01-09T20:27:46.854Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/9/364/pic_1977_5837.jpg</image:loc><image:title>Oil painting depicting Robert Stephenson</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8192836/amuletic-bronze-pendant-in-form-of-priapus</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co148421/instruction-leaflet-concerning-use-of-helmet-gas-mask</loc><lastmod>2026-01-09T21:20:03.893Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96126/instructions-for-racial-brand-pessaries</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co152524/3-paper-instrument-scales-for-a-tonometer</loc><lastmod>2026-01-09T21:20:03.893Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8556557/glass-bottle-containing-suspected-opium-tincture-london-england-1871-1900</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8652757/leather-case-containing-a-set-of-surgical-tools</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co178963/copy-of-photograph-of-lister-and-other-house-surgeons-in-edinburgh</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91399/vaginal-speculum</loc><lastmod>2026-01-09T21:20:03.893Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/367/29/large_smg00094951.jpg</image:loc><image:title>Vaginal speculum</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co73300/medal-bronze-in-honour-of-dr-jean-martin-charcot</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/650/97/large_smg00003933__0002_.jpg</image:loc><image:title>Medal, bronze, in honour of Dr. Jean Martin Charcot</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/650/96/large_smg00003933__0001_.jpg</image:loc><image:title>Medal, bronze, in honour of Dr. Jean Martin Charcot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co81851/plaster-copy-of-sarcophagus-cover-of-the-hydrocephalic-dwarf-zeher</loc><lastmod>2026-01-09T21:20:03.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/497/836/large_smg00203939.jpg</image:loc><image:title>Plaster copy of sarcophagus cover of the hydrocephalic dwarf Zeher</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co104370/sheet-b-of-body-designs-painted-on-roll-of-paper-of-akwa-people</loc><lastmod>2026-01-09T21:20:08.025Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96128/instructions-for-racial-brand-pessaries</loc><lastmod>2026-01-09T21:20:08.037Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193875/case-for-clovers-portable-regulating-ether-inhaler</loc><lastmod>2026-01-09T21:20:08.037Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co1289/sand-glass-five-pillared-wooden-mount-matching-stand</loc><lastmod>2026-01-09T21:20:08.025Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/378/851/large_smg00083259.jpg</image:loc><image:title>Sand-glass, five pillared wooden mount, matching stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co69292/bronze-medal</loc><lastmod>2026-01-09T21:20:08.358Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/660/822/large_smg00015148__0002_.jpg</image:loc><image:title>Bronze medal</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/660/821/large_smg00015148__0001_.jpg</image:loc><image:title>Bronze medal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co104372/sheet-d-of-body-designs-painted-on-roll-of-paper-by-akwa-people</loc><lastmod>2026-01-09T21:20:08.037Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8418145/bailey-and-waddington-davy-lamp</loc><lastmod>2026-01-09T21:20:08.025Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/131/24/large_cd0659_060_110809_lcmc_t0522_bailey___waddington_davy_lamp.jpg</image:loc><image:title>Bailey &amp; Waddington Davy lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co143057/instructions-for-nasal-spray-for-use-with-delta-fenox</loc><lastmod>2026-01-09T21:20:08.025Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8713835/probe</loc><lastmod>2026-01-09T21:20:08.037Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/457/427/large_smg00280911.jpg</image:loc><image:title>Probe</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co96127/instructions-for-racial-brand-pessaries</loc><lastmod>2026-01-09T21:20:08.358Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625199/telescopic-eyepiece</loc><lastmod>2026-01-09T21:20:08.196Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/674/large_smg00029531.jpg</image:loc><image:title>telescopic eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co131231/drawing-of-tablet-making-machine</loc><lastmod>2026-01-09T21:20:10.621Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8095210/bronze-medal</loc><lastmod>2026-01-09T21:20:10.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/656/252/large_smg00010045__0001_.jpg</image:loc><image:title>Bronze medal</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/656/253/large_smg00010045__0002_.jpg</image:loc><image:title>Bronze medal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8790667/smoking-pipe</loc><lastmod>2026-01-09T21:20:10.675Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co175390/pocket-surgical-instrument-set-in-leather-wallet</loc><lastmod>2026-01-09T21:20:10.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/367/70/large_smg00094976.jpg</image:loc><image:title>Pocket surgical instrument set in leather wallet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8183246/glass-candlestick-flask-roman-151-251ad</loc><lastmod>2026-01-09T21:20:10.621Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/365/600/large_smg00189734.jpg</image:loc><image:title>Glass candlestick flask, Roman, 151-251AD</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8413624/electric-lamp-coal-mining</loc><lastmod>2026-01-09T21:20:10.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/130/248/large_cd0664_001_111004_lcmc_t389_electric_lamp.jpg</image:loc><image:title>Electric lamp, coal mining.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co141352/instructions-for-glaseptic-atomizer-for-nasal-or-throat-use</loc><lastmod>2026-01-09T21:20:10.533Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8820973/centigrade-thermometer</loc><lastmod>2026-01-09T21:20:10.533Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/505/460/large_smg00127259.jpg</image:loc><image:title>Centigrade thermometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8821316/badge-for-the-london-school-of-occupational-therapy-and-college-of-occupational-therapists</loc><lastmod>2026-01-12T19:19:04.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/755/84/large_2022_1279__0001_.jpg</image:loc><image:title>Badge for the London School of Occupational Therapy and College of Occupational Therapists</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8821307/badge-for-association-of-occupational-therapists</loc><lastmod>2026-01-12T19:19:04.179Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/755/85/large_2022_1278__0001_.jpg</image:loc><image:title>Badge for Association of Occupational Therapists</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8199/salts-bedside-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/59/large_smg00024622.jpg</image:loc><image:title>Salt&apos;s Bedside microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8313/box-form-of-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/822/large_smg00027087.jpg</image:loc><image:title>Box form of microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8555/microscope-by-r-and-j-beck-ltd-london</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/649/large_smg00071852.jpg</image:loc><image:title>Microscope by R. &amp; J. Beck Ltd. London</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8310/copy-of-divinis-compound-microscope-1667-8</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/290/446/large_1925_0131__0001_.jpg</image:loc><image:title>Copy of Divinis&apos; compound microscope, 1667-8</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/290/449/large_1925_0131__0004_.jpg</image:loc><image:title>Copy of Divinis&apos; compound microscope, 1667-8</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/290/448/large_1925_0131__0003_.jpg</image:loc><image:title>Copy of Divinis&apos; compound microscope, 1667-8</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/290/447/large_1925_0131__0002_.jpg</image:loc><image:title>Copy of Divinis&apos; compound microscope, 1667-8</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/836/large_smg00027101.jpg</image:loc><image:title>Copy of Divinis&apos; compound microscope, 1667-8</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8140/triocular-bodied-microscope-by-nachet-et-fils</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/60/large_smg00024623.jpg</image:loc><image:title>Triocular-bodied microscope by Nachet et Fils</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415533/socket-mount</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/752/large_cd0686_066_120423_2012_15_47_wooden_socket_mount.jpg</image:loc><image:title>Socket mount</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8552/beck-monocular-microscope-dated-1946</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/185/large_smg00071850.jpg</image:loc><image:title>Beck Monocular Microscope, dated 1946</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415504/box-of-34-pure-rubber-strip</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/720/large_cd0686_034_120423_2012_15_18_pure_rubber_strip.jpg</image:loc><image:title>Box of 3/4&quot; pure rubber strip</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8143/microscope-for-the-investigation-of-newtons-rings</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/267/large_smg00023556.jpg</image:loc><image:title>Microscope for the investigation of Newton&apos;s Rings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8558/adams-variable-microscope-with-accessories-in-fitted-mahogany-case</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/446/large_smg00069657.jpg</image:loc><image:title>Adams &apos;Variable&apos; microscope with accessories in fitted mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415501/box-of-100-mc00-wiring-clips</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/718/large_cd0686_032_120423_2012_15_15_box_of_100_wiring_clips.jpg</image:loc><image:title>Box of 100 MC00 wiring clips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8559/leitz-microscope-with-camera-attachment</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415502/box-of-ajax-insulated-staples</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/719/large_cd0686_033_120423_2012_15_16_box_of_ajax_insulated_staples.jpg</image:loc><image:title>Box of Ajax insulated staples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8144/two-examples-of-the-hemispherical-or-kettledrum-condensor</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/568/large_smg00029288.jpg</image:loc><image:title>Two examples of the Hemispherical or &quot;Kettledrum&quot; condensor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8175/riddells-binocular-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/588/large_smg00069935.jpg</image:loc><image:title>Riddell&apos;s Binocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8383/crookes-binocular-spectrum-microscope</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/356/large_1928_0898__0002_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/361/large_1928_0898__0007_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/358/large_1928_0898__0004_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/357/large_1928_0898__0003_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/355/large_1928_0898__0001_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/359/large_1928_0898__0005_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/28/360/large_1928_0898__0006_.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/275/large_smg00023564.jpg</image:loc><image:title>Crookes Binocular Spectrum Microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8384/original-abbe-apertometer-made-1871</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/523/large_smg00027190.jpg</image:loc><image:title>Original Abbe apertometer, &quot;made 1871&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8556/microscope-by-c-baker</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8389/copy-of-leeuwenhoek-microscope-1670-1675</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/3/801/large_1929_0802.jpg</image:loc><image:title>Copy of Leeuwenhoek microscope, 1670-1675</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/54/471/large_1929_0802.jpg</image:loc><image:title>Copy of Leeuwenhoek microscope, 1670-1675</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/327/805/large_smg00028687.jpg</image:loc><image:title>Copy of Leeuwenhoek microscope, 1670-1675</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419506/light-fitting</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8179/dark-well-pocket-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/404/large_smg00025693.jpg</image:loc><image:title>Dark well pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8387/crookess-original-microscope-slides-in-case</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/705/large_smg00029300.jpg</image:loc><image:title>Crookes&apos;s original microscope slides, in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8562/large-sliding-microtome</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/915/large_smg00024329.jpg</image:loc><image:title>Large Sliding Microtome</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8388/mahogany-optical-cabinet-by-martin</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/764/large_smg00024529.jpg</image:loc><image:title>Mahogany optical cabinet by Martin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8149/monocular-microscope</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/895/large_smg00029260.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419516/light-fitting-made-by-ward-and-goldstone</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415550/dorman-smith-fuses</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/57/large_cd0687_002_120423_2012_15_60_3_d_s_fuses.jpg</image:loc><image:title>Dorman Smith fuses</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/34/large_smg00246203.jpg</image:loc><image:title>Dorman Smith fuses</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/765/large_cd0686_079_120423_2012_15_60_d_s_fused_plug___fuses.jpg</image:loc><image:title>Dorman Smith fuses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419517/light-fitting</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8321/microscope-by-passemant</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/625/large_smg00071562.jpg</image:loc><image:title>Microscope by Passemant</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8150/microscope-for-photographic-work</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/248/large_smg00023537.jpg</image:loc><image:title>Microscope for photographic work</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8540/compound-microscope-french</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/706/large_smg00024310.jpg</image:loc><image:title>Compound microscope, ? French</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8563/13-microphotographs-mounted-on-glass-slides</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/703/large_smg00029295.jpg</image:loc><image:title>13 Microphotographs mounted on glass slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8151/service-microscope</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/188/large_smg00072441.jpg</image:loc><image:title>Service microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8393/scroll-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/342/large_smg00025740.jpg</image:loc><image:title>Scroll microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415527/light-switch-mount</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/746/large_cd0686_060_120423_2012_15_41_wooden_lightswitch_mount.jpg</image:loc><image:title>Light switch mount</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8564/stathams-combined-telescope-and-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/651/large_smg00072790.jpg</image:loc><image:title>Statham&apos;s combined telescope and microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8542/scroll-type-culpeper-microscope-1746</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/812/large_smg00024663.jpg</image:loc><image:title>Scroll-type Culpeper microscope, 1746</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8183/portable-microscope-in-case</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/645/large_smg00030922.jpg</image:loc><image:title>Portable microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8326/portable-compound-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/306/large_smg00025123.jpg</image:loc><image:title>Portable compound microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8181/wollastons-doublet-microscope-by-dollond</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/327/806/large_smg00028688.jpg</image:loc><image:title>Wollaston&apos;s Doublet microscope by Dollond</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8548/compound-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/744/large_smg00024428.jpg</image:loc><image:title>Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8545/achromatic-compound-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/180/large_smg00071555.jpg</image:loc><image:title>Achromatic Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8152/varleys-first-vial-microscope</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/412/large_smg00024096.jpg</image:loc><image:title>Varley&apos;s first Vial microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8394/microscope-with-rack-coarse-adjustment-of-unusual-design-on-square-box-base</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/556/large_smg00069649.jpg</image:loc><image:title>Microscope with rack coarse adjustment of unusual design on square box base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8331/the-first-diamond-lens-made-by-andrew-pritchard</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/887/large_b680929.jpg</image:loc><image:title>The first diamond lens made by Andrew Pritchard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8307/compass-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/325/large_smg00025722.jpg</image:loc><image:title>Compass microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8573/watson-microscope-no17615-with-binocular-attachment-of-the-watson-conrady-bicor-type-and-other-accessories</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/655/large_smg00072433.jpg</image:loc><image:title>Watson Microscope No.17615 with binocular attachment of the Watson-Conrady &quot;BICOR&quot; type and other accessories</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8398/portable-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:27.894Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/657/large_smg00025738.jpg</image:loc><image:title>Portable microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8550/universal-compound-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/451/large_smg00023492.jpg</image:loc><image:title>Universal Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8551/x-ray-projection-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8335/microscope-of-unusual-design</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/559/large_smg00069653.jpg</image:loc><image:title>Microscope of unusual design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8195/hand-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/413/large_smg00025813.jpg</image:loc><image:title>Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8192/hand-microscope-with-ball-and-socket-joint</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/408/large_smg00025808.jpg</image:loc><image:title>Hand microscope with ball and socket joint</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8193/hand-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/409/large_smg00025809.jpg</image:loc><image:title>Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8198/dr-mallasiss-skin-microscope</loc><lastmod>2026-01-12T21:01:27.895Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/307/large_smg00024029.jpg</image:loc><image:title>Dr Mallasis&apos;s skin microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8336/compound-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/97/large_smg00030781.jpg</image:loc><image:title>Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8355/microphotograph-of-andrew-pritchard</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/317/large_smg00025714.jpg</image:loc><image:title>Microphotograph of Andrew Pritchard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8597/kypselos-binocular-microscope-stand-by-james-swift-and-son</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/166/large_smg00071483.jpg</image:loc><image:title>&quot;Kypselos&quot; binocular microscope stand by James Swift &amp; Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8612/microscopic-attachment-for-a-lantern</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/387/large_smg00053491.jpg</image:loc><image:title>Microscopic attachment for a lantern</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8118/ayscoughs-universal-microscope</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/309/large_smg00025126.jpg</image:loc><image:title>Ayscough&apos;s Universal microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7970/collection-of-15-microscopic-slides-in-small-cardboard-box</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/776/large_smg00030330.jpg</image:loc><image:title>Collection of 15 microscopic slides in small cardboard box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8359/microscope-attachment-for-oblique-illumination</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/563/large_smg00029283.jpg</image:loc><image:title>Microscope attachment for oblique illumination</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8618/electric-microscope-lamp-by-c-baker</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/756/large_smg00024453.jpg</image:loc><image:title>Electric microscope lamp by C. Baker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8103/granger-type-simple-pocket-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/323/281/large_smg00029974.jpg</image:loc><image:title>Granger-type simple pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8363/manuscript-magnifying-powers-in-diameters-of-standard-achromatic-microscope</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/959/large_smg00023918.jpg</image:loc><image:title>Manuscript magnifying powers in diameters of standard achromatic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8364/pamphlet-a-description-of-the-compound-commonly-calld-the-reflecting-or-double-microscope-with-great-improvements</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/957/large_smg00023916.jpg</image:loc><image:title>Pamphlet - &quot;A description of the Compound (commonly call&apos;d the Reflecting or Double) microscope. With Great Improvements&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8104/screw-barrel-microscope-by-edmund-culpeper-1728-1730</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/26/large_smg00029538.jpg</image:loc><image:title>Screw-barrel MIcroscope by Edmund Culpeper, 1728-1730</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8588/electron-microscope-specimen-support-grid</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/403/large_smg00086700.jpg</image:loc><image:title>Electron microscope specimen support grid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8346/brass-culpeper-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/465/large_smg00024507.jpg</image:loc><image:title>Brass Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8125/dr-witherings-botanical-microscope</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/323/275/large_smg00029964.jpg</image:loc><image:title>Dr. Witherings botanical microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8367/pamphlet-the-description-of-lanes-improved-portable-microscope</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/949/large_smg00023907.jpg</image:loc><image:title>Pamphlet - &quot;The description of Lane&apos;s improved portable microscope&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7979/microscope-by-a-ross-with-this-are-6-objectives</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/595/large_smg00071792.jpg</image:loc><image:title>Microscope by A. Ross. With this are 6 objectives</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8721544/switch-and-indicator-light</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8102/universal-pocket-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/341/large_smg00025739.jpg</image:loc><image:title>Universal pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8344/culpeper-microscope-by-geo-sterrop</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/321/3/large_smg00078748.jpg</image:loc><image:title>Culpeper microscope by Geo. Sterrop</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7983/cabinet-containing-various-microscope-slides</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/784/large_smg00030340.jpg</image:loc><image:title>Cabinet containing various microscope slides</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8620/compound-microscope-made-by-e-kelly-maxwell-while-serving-in-france-during-the-first-world-war</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/258/large_smg00023732.jpg</image:loc><image:title>Compound microscope made by E. Kelly Maxwell while serving in France during the First World War</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8129/small-single-microscope</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/402/large_smg00025802.jpg</image:loc><image:title>Small single microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8107/compound-coddington-microscope-made-by-cary-about-1830</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8369/classified-catalogue-of-microscope-accessories</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/956/large_smg00023915.jpg</image:loc><image:title>Classified catalogue of microscope accessories</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8349/dellebarre-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/707/large_smg00024311.jpg</image:loc><image:title>Dellebarre microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8108/compass-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/326/large_smg00025723.jpg</image:loc><image:title>Compass microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8621/a-rectangular-aspheric-magnifying-glass-x2-with-handle</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/8/large_smg00023971.jpg</image:loc><image:title>A rectangular aspheric magnifying glass (x2) with handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7987/culpeper-microscope-by-t-wright-in-oak-case</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/818/large_smg00024669.jpg</image:loc><image:title>Culpeper microscope by T. Wright in oak case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8625/a-bar-magnifier</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/1/large_smg00023964.jpg</image:loc><image:title>A bar magnifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8589/microscope-specimen-support-grid</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/402/large_smg00086699.jpg</image:loc><image:title>Microscope specimen support grid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622/a-set-of-four-watchmakers-eyeglasses</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/14/large_smg00023977.jpg</image:loc><image:title>A set of four watchmaker&apos;s eyeglasses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8106/dr-lawrence-smiths-inverted-microscope-for-chemical-researches</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/865/large_smg00027132.jpg</image:loc><image:title>Dr. Lawrence Smith&apos;s inverted microscope for chemical researches</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8133/microscope-by-marshall-c-1700</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/243/large_1919_0311__0002_.jpg</image:loc><image:title>Microscope by Marshall, c. 1700</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/242/large_1919_0311.jpg</image:loc><image:title>Microscope by Marshall, c. 1700</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/441/187/large_smg00017237.jpg</image:loc><image:title>Microscope by Marshall, c. 1700</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8409632/ferranti-electric-meter</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/578/large_cd0468_008_081212_1996_10_300_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8375/early-achromatic-microscope-by-james-smith</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/650/large_smg00071853.jpg</image:loc><image:title>Early Achromatic microscope by James Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8721537/immersion-heater-switch-and-indicator-light</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8590/microscope-specimen-support-grid</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/387/404/large_smg00086701.jpg</image:loc><image:title>Microscope specimen support grid</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7991/microscope-in-case</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/344/large_smg00025742.jpg</image:loc><image:title>Microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8591/comparing-microscope-no15041-by-seibert-of-wetzlar-with-2-eyepieces-nos1-and-3</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/286/large_smg00023579.jpg</image:loc><image:title>&quot;Comparing&quot; microscope (no.15041) by Seibert of Wetzlar with 2 eyepieces (nos.1 &amp; 3)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8373/cuff-model-microscope-by-dollond</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/763/large_smg00024528.jpg</image:loc><image:title>Cuff model microscope by Dollond</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225422/portrait-of-young-woman-with-dog</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8110/blackhalls-simple-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/329/large_smg00025726.jpg</image:loc><image:title>Blackhall&apos;s simple microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7992/cased-wilson-type-microscope</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/407/large_smg00025807.jpg</image:loc><image:title>Cased Wilson-type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8594/ruling-engine-for-producing-stage-micrometers</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/727/large_smg00029363.jpg</image:loc><image:title>Ruling engine for producing stage micrometers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8353/micro-spectroscope-objective</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/508/large_smg00027170.jpg</image:loc><image:title>Micro-spectroscope objective</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8350/binocular-microscope-by-jb-dancer</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/703/large_smg00024328.jpg</image:loc><image:title>Binocular Microscope by J.B. Dancer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8134/three-original-microscope-screw-gauges</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8351/small-simple-dissecting-microscope-with-one-magnifier-x-10</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/385/large_smg00024067.jpg</image:loc><image:title>Small simple dissecting microscope with one magnifier ( x 10)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8135/microscope-by-thomas-harris-and-son</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/838/large_smg00024690.jpg</image:loc><image:title>Microscope by Thomas Harris and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8114/optical-cabinet</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/759/large_smg00024522.jpg</image:loc><image:title>Optical cabinet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8356/this-is-a-plano-convex-diamond-lens-set-in-a-gold-tiepin</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/26/887/large_b680929.jpg</image:loc><image:title>This is a plano-convex diamond lens set in a gold tiepin</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/518/large_smg00031491.jpg</image:loc><image:title>This is a plano-convex diamond lens set in a gold tiepin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8600/abbe-test-plate-for-checking-the-spherical-and-chromatic-aberration-of-microscope-objectives</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/531/large_smg00027198.jpg</image:loc><image:title>Abbe test plate (for checking the spherical and chromatic aberration of microscope objectives)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8115/universal-compound-microscope</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8357/scaleometer-micrometer-reading-direct-to-001</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/534/large_smg00027201.jpg</image:loc><image:title>Scaleometer micrometer reading direct to .001&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8139/compound-microscope-by-anderson-and-sons-london</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/595/large_smg00070298.jpg</image:loc><image:title>Compound microscope by Anderson and Sons London</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415565/cardboard-box-of-cable-clips</loc><lastmod>2026-01-12T21:01:32.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/70/large_cd0687_015_120423_2012_15_75_cable_clips.jpg</image:loc><image:title>Cardboard box of cable clips</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8113/solar-microscope-1775</loc><lastmod>2026-01-12T21:01:32.505Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/501/large_smg00025286.jpg</image:loc><image:title>Solar Microscope, 1775</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8605/abbes-small-camera-lucida-by-carl-zeiss</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/562/large_smg00069877.jpg</image:loc><image:title>Abbe&apos;s small camera lucida by Carl Zeiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8609/scanning-tunnelling-microscope-cambridge-england-1986</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/669/large_1989_0576__0002_.jpg</image:loc><image:title>Scanning Tunnelling Microscope, Cambridge, England, 1986</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/668/large_1989_0576__0001_.jpg</image:loc><image:title>Scanning Tunnelling Microscope, Cambridge, England, 1986</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/530/large_smg00031507.jpg</image:loc><image:title>Scanning Tunnelling Microscope, Cambridge, England, 1986</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8420267/moving-coil-galvanometer-made-by-kelvin-and-james-white-ltd</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404/scarlett-microscope-with-black-ivory-compound-body</loc><lastmod>2026-01-12T21:01:32.813Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/393/large_smg00025793.jpg</image:loc><image:title>Scarlett microscope with black ivory compound body</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8610/prism-projection-head-with-x10-widefield-eyepiece</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/724/large_smg00029360.jpg</image:loc><image:title>Prism projection head with X10 widefield eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8406/pocket-drum-microscope</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/714/large_smg00025135.jpg</image:loc><image:title>Pocket drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7935/metrovac-vacuum-coating-unit-type-12m</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8611/metallurgical-microscope-no-32604-by-carl-zeiss</loc><lastmod>2026-01-12T21:01:32.801Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/285/large_smg00023577.jpg</image:loc><image:title>Metallurgical microscope No. 32604 by Carl Zeiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7936/engell-demonstration-microscope-signed-queen-and-co</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/4/large_smg00024553.jpg</image:loc><image:title>ENGELL demonstration microscope signed &quot;Queen &amp; Co</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8263/wilson-microscope-in-wood</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/96/large_smg00030780.jpg</image:loc><image:title>Wilson microscope in wood</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8290/collins-aquarium-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/419/large_smg00024107.jpg</image:loc><image:title>Collin&apos;s aquarium microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8293/microscope-for-examining-lens-combinations</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/15/large_smg00024571.jpg</image:loc><image:title>Microscope for examining lens combinations</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7943/optical-microscope-by-vision-engineering-ltd</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8027/amicis-reflecting-microscope-with-5-eyepieces-and-other-fittings</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/53/3/large_1881_0003__0001_.jpg</image:loc><image:title>Amici&apos;s reflecting microscope with 5 eyepieces and other fittings</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/326/497/large_smg00028667.jpg</image:loc><image:title>Amici&apos;s reflecting microscope with 5 eyepieces and other fittings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8024/rosenbusch-fuess-petrographic-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/298/large_smg00023180.jpg</image:loc><image:title>Rosenbusch-Fuess petrographic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8412/gf-brander-fecit-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/233/large_smg00023682.jpg</image:loc><image:title>&quot;G.F. Brander Fecit&quot; microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8266/scent-bottle-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/730/large_smg00072623.jpg</image:loc><image:title>Scent Bottle microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8291/single-microscope-by-chevalier</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/428/large_smg00027272.jpg</image:loc><image:title>Single microscope by Chevalier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410/utschneider-and-frauhofer-microscope</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/308/large_smg00025125.jpg</image:loc><image:title>Utschneider and Frauhofer microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7944/greenhoughs-prism-rotator-in-fitted-case</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/433/large_smg00027277.jpg</image:loc><image:title>Greenhough&apos;s prism rotator in fitted case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415/achromatic-perfectionne-microscope-by-vincent-chevalier-and-son</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/675/large_smg00023428.jpg</image:loc><image:title>Achromatic &quot;Perfectionne&quot; microscope by Vincent Chevalier and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8298/universal-microscope-by-rb-bate</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/138/large_smg00070294.jpg</image:loc><image:title>Universal microscope by R.B. Bate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8271/hampdens-pocket-lens-dissecting-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/383/large_smg00024064.jpg</image:loc><image:title>Hampden&apos;s Pocket Lens Dissecting microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419833/electric-plug-by-mk-electric-ltd</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/204/658/large_cd0618_022_100430_7001_599_plug.jpg</image:loc><image:title>Electric plug by MK Electric Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8272/flower-microscope-fitted-with-coddington-lens</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/424/580/large_smg00030676.jpg</image:loc><image:title>Flower microscope fitted with Coddington lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8658/microscope-by-jecker-a-paris-1810-1820</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/440/large_smg00023456.jpg</image:loc><image:title>Microscope by Jecker, a Paris, 1810-1820</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8270/early-form-of-botanical-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/452/large_smg00025622.jpg</image:loc><image:title>Early form of Botanical microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7953/demonstration-hand-microscope</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/8/large_smg00024557.jpg</image:loc><image:title>Demonstration hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8033/solar-microscope-and-accessories</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/545/large_smg00027251.jpg</image:loc><image:title>Solar microscope and accessories</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7954/wooden-microscope-made-at-nuremburg</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/757/large_smg00024458.jpg</image:loc><image:title>Wooden microscope made at Nuremburg</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8296/four-small-hand-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/420/large_smg00025820.jpg</image:loc><image:title>Four small hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7951/culpeper-microscope-by-loft</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/837/large_smg00024689.jpg</image:loc><image:title>Culpeper microscope by Loft</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8275/mounted-coddington-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/319/large_smg00025716.jpg</image:loc><image:title>Mounted Coddington microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419/dellebarre-microscope</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/709/large_smg00024313.jpg</image:loc><image:title>Dellebarre microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7952/small-dissecting-microscope</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/382/large_smg00024063.jpg</image:loc><image:title>Small dissecting microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7957/compound-microscope-by-john-bleuler</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/164/large_smg00071481.jpg</image:loc><image:title>Compound microscope by John Bleuler</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8273/early-wilson-microscope-by-culpeper</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/403/large_smg00025803.jpg</image:loc><image:title>Early Wilson microscope by Culpeper</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8032/photograph-of-a-microscope-by-john-marshall</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/174/large_smg00026078.jpg</image:loc><image:title>Photograph of a microscope by John Marshall</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co91521/speculum-vaginal</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/369/536/large_smg00096849.jpg</image:loc><image:title>Speculum, vaginal</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7960/witherings-botanical-microscope</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/993/large_smg00024106.jpg</image:loc><image:title>Withering&apos;s botanical microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8299/microscope-stand</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/702/large_smg00024327.jpg</image:loc><image:title>Microscope stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410250/ferranti-model-mckf35-electric-meter</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/924/large_cd0445_001_081106_1996_10_918_ferranti_3e_electric_meter.jpg</image:loc><image:title>Ferranti model MCKF35 electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8035/small-photograph-by-count-castracaire</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co192958/dummy-tubes-of-hazeline-snow</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8420653/moving-coil-galvanometer</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8063/early-form-of-projection-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/956/large_smg00023596.jpg</image:loc><image:title>Early form of projection microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7965/small-microscope-and-case-by-philip-carpenter</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8060/platinotype-print</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8061/print-of-original-marshall-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7968/microscope-slides-cabinet</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/704/large_smg00029297.jpg</image:loc><image:title>Microscope slide&apos;s cabinet</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8066/two-compound-microscopes-of-bonanni</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8067/augsburg-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225413/flowers-and-stem</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8065/bonannis-horizontal-compound-microscope-platinotype-copy-of-plate-at-p28-of-bonannis-micrographia-curiosa</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8068/musschenbroeks-microscope-2nd-form-platinotype-copy-of-plate-at-p783-of-zahns-oculus-artificialis</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co2461/stephen-charles-triboudet-demainbray-electrician-and-astronomer-silhouette</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/287/740/large_1991_0109__0003_.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/287/738/large_1991_0109__0002_.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/287/737/large_1991_0109__0001_.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/287/739/large_1991_0109__0004_.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/288/232/large_1991_0109__0001_.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/338/792/large_smg00017711.jpg</image:loc><image:title>Stephen Charles Triboudet Demainbray, electrician and astronomer, silhouette</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8260/early-flea-microscope-handle-forms-telescope</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/406/large_smg00025806.jpg</image:loc><image:title>Early Flea microscope (handle forms telescope)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8070/pocket-microscope-in-case</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/318/large_smg00025715.jpg</image:loc><image:title>Pocket microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8282/portable-microscope-on-circular-brass-base</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/656/large_smg00072795.jpg</image:loc><image:title>Portable microscope on circular brass base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225414/leaves-on-a-stem</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8041/a-holmans-siphon-slide-for-the-microscope</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co133506/glass-vinaigrette-and-perfume-bottle</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/437/847/large_smg00224725.jpg</image:loc><image:title>Glass vinaigrette and perfume bottle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022/nachets-small-petrographic-microscope-accessory-apparatus-polarizing-eyepiece</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/289/large_smg00023587.jpg</image:loc><image:title>Nachet&apos;s small petrographic microscope. Accessory apparatus:- polarizing eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410002/ferranti-electric-meter</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/209/595/large_cd0469_004_081212_1996_10_678_ferranti_7e_electric_meter.jpg</image:loc><image:title>Ferranti electric meter</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8264/single-microscope</loc><lastmod>2026-01-12T21:01:35.737Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/400/large_smg00025800.jpg</image:loc><image:title>Single microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8280/microscope-for-examining-ones-own-face</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/306/large_smg00024028.jpg</image:loc><image:title>Microscope for examining one&apos;s own face</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8074/microscope-with-objectives</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/746/large_smg00024431.jpg</image:loc><image:title>Microscope with objectives</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8410241/electric-coils</loc><lastmod>2026-01-12T21:01:35.695Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/210/325/large_cd0452_003_081112_1996_10_909_ferranti_3e_electric_coil.jpg</image:loc><image:title>Electric coils</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8281/houstons-botanical-microscope-in-case</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/453/large_smg00025624.jpg</image:loc><image:title>Houston&apos;s Botanical microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8071/microphotographic-camera</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/412/large_smg00071113.jpg</image:loc><image:title>Microphotographic camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8044/small-pocket-microscope-with-simple-lens</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/334/large_smg00025731.jpg</image:loc><image:title>Small pocket microscope with simple lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8078/wilson-screw-barrel-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/414/large_smg00025814.jpg</image:loc><image:title>Wilson screw-barrel microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8043/coddington-lens</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/424/584/large_smg00030680.jpg</image:loc><image:title>Coddington Lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8081/american-reflecting-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/257/large_smg00025274.jpg</image:loc><image:title>American reflecting microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8085/simple-hand-or-stand-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/441/large_smg00027285.jpg</image:loc><image:title>Simple hand or stand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8682/monocular-microscope-no165762-by-e-leitz</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/325/417/large_smg00023175.jpg</image:loc><image:title>Monocular microscope no.165762 by E. Leitz</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8049/compound-culpeper-model-microscope-made-by-matthew-loft</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8083/clarkes-simple-pocket-microscope</loc><lastmod>2026-01-12T21:01:36.304Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/385/large_smg00025784.jpg</image:loc><image:title>Clarke&apos;s simple pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8046/william-rutherfords-freezing-microtome</loc><lastmod>2026-01-12T21:01:36.298Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/719/large_smg00029355.jpg</image:loc><image:title>William Rutherford&apos;s freezing microtome</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8091/botanical-microscope</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/451/large_smg00025621.jpg</image:loc><image:title>Botanical microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8202/ross-hand-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/410/large_smg00025810.jpg</image:loc><image:title>Ross hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8686/microcantilevers-for-use-with-atomic-force-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/380/509/large_smg00084278.jpg</image:loc><image:title>Microcantilevers for use with Atomic Force Microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415496/box-of-25-midget-connectors</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/713/large_cd0686_027_120423_2012_15_10_box_of_25_midget_connectors.jpg</image:loc><image:title>Box of 25 midget connectors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8224/slacks-dissecting-microscope</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/380/large_smg00024061.jpg</image:loc><image:title>Slack&apos;s dissecting microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/992/large_smg00024061.jpg</image:loc><image:title>Slack&apos;s dissecting microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8445/timothy-lanes-portable-microscope-by-harris</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/307/large_smg00025124.jpg</image:loc><image:title>Timothy Lane&apos;s portable microscope by Harris</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8687/field-ion-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/609/large_smg00069959.jpg</image:loc><image:title>Field-ion microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415493/box-of-kaleeco-two-way-porcelain-sheathed-connectors</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/710/large_cd0686_024_120423_2012_15_7_box_of_two_way_connectors.jpg</image:loc><image:title>Box of &apos;Kaleeco&apos; two-way porcelain sheathed connectors</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415492/mazda-80w-glass-starter-switch</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/709/large_cd0686_023_120423_2012_15_6_mazda_glass_starter_switch.jpg</image:loc><image:title>Mazda 80W glass starter switch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8201/dr-urban-pritchards-toenum-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/304/large_smg00024026.jpg</image:loc><image:title>Dr Urban Pritchard&apos;s Toenum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8660/monocular-microscope-by-h-crouch</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/448/large_smg00027292.jpg</image:loc><image:title>Monocular microscope by H. Crouch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8451/microscope-by-charles-perry-with-two-eyepieces-x-2-and-x-4</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/163/large_smg00071479.jpg</image:loc><image:title>Microscope by Charles Perry with two eyepieces x 2 and x 4</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8422/campani-microscope-unsigned</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/72/956/large_1928_0822.jpg</image:loc><image:title>Campani microscope (unsigned)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8464/g-and-s-student-lynx-microscope-no6</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/990/large_smg00024017.jpg</image:loc><image:title>G and S Student Lynx microscope (No.6)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8664/monocular-polarising-microscope-by-r-and-j-beck</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/645/large_smg00071847.jpg</image:loc><image:title>Monocular polarising microscope by R &amp; J Beck</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8210/darsorvals-water-focussing-microscope</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/462/large_smg00180531.jpg</image:loc><image:title>D&apos;arsorval&apos;s Water focussing microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8665/students-microscope-by-c-baker</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/634/large_smg00071836.jpg</image:loc><image:title>Student&apos;s microscope by C. Baker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8420/compound-culpeper-wilson-microscope-by-edward-scarlett</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/623/large_smg00026722.jpg</image:loc><image:title>Compound Culpeper-Wilson microscope by Edward Scarlett</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8229/microscope-ross-model</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/167/large_smg00071484.jpg</image:loc><image:title>Microscope, Ross model</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8668/small-drum-microscope</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/667/large_smg00023420.jpg</image:loc><image:title>Small drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8455/student-microscope-with-one-eyepiece</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/987/large_smg00024013.jpg</image:loc><image:title>Student microscope with one eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co1688/rotation-apparatus-of-unknown-function-and-probably-incomplete</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8669/demonstration-microscope-in-case</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/663/large_smg00023416.jpg</image:loc><image:title>Demonstration microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8424/compound-microscope-by-mann-and-ayscough-in-case</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/347/large_smg00025745.jpg</image:loc><image:title>Compound microscope by Mann and Ayscough in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8206/portable-microscope-by-t-harris-and-son</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/625/large_smg00026724.jpg</image:loc><image:title>Portable microscope by T. Harris and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8666/eclipse-monocular-polarising-microscope-by-ross</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/325/781/large_smg00049422.jpg</image:loc><image:title>&quot;Eclipse&quot; monocular polarising microscope by Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8207/pocket-microscope-by-andrew-pritchard</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/666/large_smg00072807.jpg</image:loc><image:title>Pocket microscope by Andrew Pritchard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8667/camera-lucida-for-use-with-a-microscope</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/546/large_smg00027222.jpg</image:loc><image:title>Camera lucida for use with a microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8456/students-microscope-signed-r-and-j-beck</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/55/large_smg00024618.jpg</image:loc><image:title>Students microscope signed &quot;R &amp; J Beck</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8204/dr-beales-demonstration-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/2/large_smg00024551.jpg</image:loc><image:title>Dr. Beale&apos;s demonstration microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8428/aquatic-microscope-after-leeuwenhock</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8205/tomkinss-diatom-detector</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/417/large_smg00025817.jpg</image:loc><image:title>Tomkins&apos;s Diatom Detector</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8232/small-achromatic-microscope-by-lerebours</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/345/large_smg00025743.jpg</image:loc><image:title>Small achromatic microscope by Lerebours</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8208/portable-microscope</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/400/large_smg00025689.jpg</image:loc><image:title>Portable microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8217/microscope-fraunhofer-model-by-chas-chevalier</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/116/large_smg00025604.jpg</image:loc><image:title>Microscope (Fraunhofer model) by Chas. Chevalier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8672/pillar-microscope-in-pyramidal-case</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/655/large_smg00072794.jpg</image:loc><image:title>Pillar microscope in pyramidal case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8457/microscope-signed-john-browning-london-377</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/598/large_smg00070305.jpg</image:loc><image:title>Microscope signed &quot;John Browning London 377&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415499/box-of-100-6x34-rawlplugs</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/716/large_cd0686_030_120423_2012_15_13_box_of_100_rawlplugs.jpg</image:loc><image:title>Box of 100 6x3/4&quot; rawlplugs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8471/microscope-in-cylindrical-boxwood-case</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/394/large_smg00025794.jpg</image:loc><image:title>Microscope, in cylindrical boxwood case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8670/microscope-illuminator</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/542/large_smg00027216.jpg</image:loc><image:title>Microscope illuminator</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415497/box-of-100-12x1-14-rawlplugs</loc><lastmod>2026-01-12T21:01:38.885Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/714/large_cd0686_028_120423_2012_15_11_box_of_100_rawlplugs.jpg</image:loc><image:title>Box of 100 12x1 1/4&quot; rawlplugs</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8434/culpeper-compound-microscope-signed-i-cuff</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/778/large_smg00024626.jpg</image:loc><image:title>Culpeper Compound microscope signed &quot;I. Cuff&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8235/binocular-microscope</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/644/large_smg00071846.jpg</image:loc><image:title>Binocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8676/ellis-aquatic-microscope-in-case</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/733/large_smg00072629.jpg</image:loc><image:title>Ellis aquatic microscope, in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8415489/box-of-cb-brown-porcelain-cleats</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/128/706/large_cd0686_020_120423_2012_15_3_box_of_porcelain_cleats.jpg</image:loc><image:title>Box of C.B. Brown porcelain cleats</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8673/large-drum-microscope-with-six-objectives</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/586/large_1992_0601__0001_.jpg</image:loc><image:title>Large drum microscope with six objectives</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/18/588/large_1992_0601__0003_.jpg</image:loc><image:title>Large drum microscope with six objectives</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/740/large_smg00024424.jpg</image:loc><image:title>Large drum microscope with six objectives</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8475/micrometer-test-object-made-by-nobert</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/525/large_smg00027192.jpg</image:loc><image:title>Micrometer test object, made by Nobert</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8679/dissecting-microscope-by-e-leitz</loc><lastmod>2026-01-12T21:01:38.826Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/296/large_smg00023176.jpg</image:loc><image:title>Dissecting microscope by E. Leitz</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8463/prowest-picture-monitor-type-pm125a-remarks-to-be-used-with-gillett-and-sibert-tv</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8238/culpeper-model-microscope</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/779/large_smg00024627.jpg</image:loc><image:title>Culpeper model microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8481/microscope-made-by-ross</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/734/large_smg00029370.jpg</image:loc><image:title>Microscope made by Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8461/microscope-immersion-objective</loc><lastmod>2026-01-12T21:01:39.388Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/507/large_smg00027169.jpg</image:loc><image:title>Microscope &quot;Immersion Objective&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8018/petrological-microscope-in-case</loc><lastmod>2026-01-12T21:01:41.623Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8489/microscope-with-stanhope-lens-and-light-limiting-shield</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/404/large_smg00025804.jpg</image:loc><image:title>Microscope with Stanhope lens and light-limiting shield</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8242/microscopic-cabinet-with-11-drawers</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/459/165/large_smg00069650.jpg</image:loc><image:title>Microscopic cabinet with 11 drawers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8002/small-pocket-microscope</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/330/large_smg00025727.jpg</image:loc><image:title>Small pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8482/simple-microscope-with-a-stanhope-type-lens</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/333/large_smg00025730.jpg</image:loc><image:title>Simple microscope with a &quot;Stanhope&quot; type lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8241/microphotographic-camera</loc><lastmod>2026-01-12T21:01:39.413Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/415/large_smg00071116.jpg</image:loc><image:title>Microphotographic camera</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8009/microscope-lamp</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8248/universal-pocket-microscope-by-martin-and-son</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/739/large_smg00024423.jpg</image:loc><image:title>Universal pocket microscope by Martin and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8225102/hammersmith-bridge</loc><lastmod>2026-01-12T21:01:41.623Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8491/electron-micrograms</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8250/pocket-museum-microscope-with-6-object-plates</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/724/large_smg00072384.jpg</image:loc><image:title>Pocket museum microscope with 6 object plates</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8492/electron-micrograms</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8508/microscope-lamp-of-john-quekett-to-burn-sperm-oil</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/327/809/large_smg00028691.jpg</image:loc><image:title>Microscope lamp of John Quekett, to burn sperm oil</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8490/electron-microgram-of-moth-wing-scale</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/31/579/large_1949_0203__0002_.jpg</image:loc><image:title>Electron microgram of moth wing scale</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/31/578/large_1949_0203__0001_.jpg</image:loc><image:title>Electron microgram of moth wing scale</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8527/silver-microscope-by-george-adams-c-1761</loc><lastmod>2026-01-12T21:01:42.366Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/429/large_1949_0116__0005_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/431/large_1949_0116__0007_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/426/large_1949_0116__0002_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/430/large_1949_0116__0006_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/432/large_1949_0116__0008_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/427/large_1949_0116__0003_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/428/large_1949_0116__0004_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/73/425/large_1949_0116__0001_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/582/large_1949_0116__0013_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/579/large_1949_0116__0010_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/578/large_1949_0116__0009_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/581/large_1949_0116__0012_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/409/580/large_1949_0116__0011_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/410/84/large_1949_0116__0014_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/410/86/large_1949_0116__0016_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/410/85/large_1949_0116__0015_.jpg</image:loc><image:title>Silver microscope by George Adams, c. 1761.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8254/seed-microscope-simple</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/648/large_smg00030926.jpg</image:loc><image:title>Seed microscope (simple)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8533/small-folding-pocket-microscope</loc><lastmod>2026-01-12T21:01:42.366Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/323/206/large_smg00026864.jpg</image:loc><image:title>Small folding pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8419310/thermionic-valve-photo-electric-cell</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/477/749/large_smg00244257.jpg</image:loc><image:title>Thermionic valve - photo-electric cell</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8252/wilson-microscope</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/423/large_smg00027267.jpg</image:loc><image:title>Wilson microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8494/electron-micrograms-of-a-06-carbon-steel-plastic-replica</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8510/micro-engraving-webbs-test-no15-the-lords-prayer</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/782/large_smg00030338.jpg</image:loc><image:title>Micro-engraving, Webb&apos;s test no.15. The Lord&apos;s Prayer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8257/microscope-on-brass-stand-cunos-form</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/660/large_smg00072799.jpg</image:loc><image:title>Microscope on brass stand, Cuno&apos;s form</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8752/microscope-lamp-on-stand-by-r-and-j-beck-ltd</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/748/large_smg00029574.jpg</image:loc><image:title>Microscope lamp on stand by R. &amp; J. Beck Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8534/18th-century-compound-microscope-by-w-storer</loc><lastmod>2026-01-12T21:01:42.366Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/175/large_smg00071492.jpg</image:loc><image:title>18th century Compound microscope by W. Storer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8511/g-jacksons-micrometer</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/526/large_smg00027193.jpg</image:loc><image:title>G. Jackson&apos;s micrometer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8514/micrometer-in-slider-by-j-cuff-london-1745</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/529/large_smg00027196.jpg</image:loc><image:title>Micrometer in slider by J. Cuff, London, 1745</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8256/flower-microscope</loc><lastmod>2026-01-12T21:01:41.288Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/448/large_smg00025618.jpg</image:loc><image:title>Flower microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8539/portable-compound-microscope</loc><lastmod>2026-01-12T21:01:42.366Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/599/large_smg00069949.jpg</image:loc><image:title>Portable Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8517/small-17th-century-compound-microscope-with-bonnani-stage-and-lower-part-of-stand-in-silver</loc><lastmod>2026-01-12T21:01:41.836Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8404909/set-of-seven-different-coloured-royal-ediswan-decorative-light-bulbs-by-edison-swan-electric-co-ltd</loc><lastmod>2026-01-12T21:01:42.366Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/181/large_smg00248251__0002_.jpg</image:loc><image:title>Set of seven different coloured Royal Ediswan decorative light bulbs by Edison Swan Electric Co Ltd</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/643/180/large_smg00248251__0001_.jpg</image:loc><image:title>Set of seven different coloured Royal Ediswan decorative light bulbs by Edison Swan Electric Co Ltd</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8392/count-gleichens-universal-microscope-in-case-with-2-drawers</loc><lastmod>2026-01-12T21:01:43.825Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/350/large_smg00025748.jpg</image:loc><image:title>Count Gleichen&apos;s Universal microscope in case with 2 drawers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co441152/two-examples-of-the-hemispherical-or-kettledrum-condensor</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/566/large_smg00029286.jpg</image:loc><image:title>Two examples of the Hemispherical or &quot;Kettledrum&quot; condensor</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8157/early-french-microscope</loc><lastmod>2026-01-12T21:01:43.825Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/672/large_smg00023425.jpg</image:loc><image:title>Early French microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8399/early-german-compass-microscope</loc><lastmod>2026-01-12T21:01:43.825Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/418/large_smg00025818.jpg</image:loc><image:title>Early German Compass microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624565/brass-component-no-glass-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co439283/stereoscan-600-scanning-electron-microscope-made-by-cambridge-scientific-instruments-ltd</loc><lastmod>2026-01-12T21:01:43.825Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624561/brass-eye-piece-component-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624568/brass-component-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624567/brass-end-cap-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co422673/zetopan-binocular-microscope-no-331220-by-reichert</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/406/large_smg00072489.jpg</image:loc><image:title>&apos;Zetopan binocular microscope No. 331220 by Reichert</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624569/brass-component-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co430626/foot-operated-accessory-for-controlling-the-focus-of-a-microscope</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/102/large_smg00029418.jpg</image:loc><image:title>Foot-operated accessory for controlling the focus of a microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co430625/sledge-microtome-1900-25</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/104/large_smg00029423.jpg</image:loc><image:title>Sledge microtome, 1900-25.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624555/brass-end-cap-for-universal-microscope</loc><lastmod>2026-01-12T21:01:44.356Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8547/cuff-type-microscope</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/627/large_smg00071564.jpg</image:loc><image:title>Cuff-type microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/900/large_smg00071564.jpg</image:loc><image:title>Cuff-type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8345/culpeper-microscope</loc><lastmod>2026-01-12T21:01:45.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/462/large_smg00024504.jpg</image:loc><image:title>Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8303/reproduction-of-model-leeuwenhock-aquatic-microscope</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/415/large_smg00024099.jpg</image:loc><image:title>Reproduction of model Leeuwenhock Aquatic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8197/reading-microscope-by-geneva-co</loc><lastmod>2026-01-12T21:01:43.825Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/949/large_smg00023580.jpg</image:loc><image:title>Reading microscope by Geneva Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624564/brass-eye-piece-component-no-glass-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624563/brass-eye-piece-component-no-glass-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:44.146Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8626781/compound-achromatic-microscope</loc><lastmod>2026-01-12T21:01:45.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/576/large_smg00070538.jpg</image:loc><image:title>Compound achromatic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622075/microscope-slide-containing-a-parietal-transverse-section-from-a-human-skull</loc><lastmod>2026-01-12T21:01:46.690Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8591169/wenham-type-achromatic-binocular-microscope</loc><lastmod>2026-01-12T21:01:46.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8358/scaleometer-reading-direct-to-110-mm-and-01</loc><lastmod>2026-01-12T21:01:45.419Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/527/large_smg00027194.jpg</image:loc><image:title>Scaleometer reading direct to 1/10 mm and .01&quot;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624582/brass-component-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:46.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624581/original-label-on-paper-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:46.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co523354/drawing-of-slit-and-two-prisms-from-spectroscopic-microscope</loc><lastmod>2026-01-12T21:01:46.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8628/microscrope-with-built-in-illumination-for-examining-objects-by-reflected-light</loc><lastmod>2026-01-12T21:01:46.690Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/288/large_smg00023177.jpg</image:loc><image:title>Microscrope with built in illumination for examining objects by reflected light</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8602/jw-gordons-apparatus-for-photomicrography</loc><lastmod>2026-01-12T21:01:46.624Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/417/large_smg00071118.jpg</image:loc><image:title>J.W. Gordon&apos;s apparatus for photomicrography</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624576/universal-microscope-dated-1782-signed-h-shuttl</loc><lastmod>2026-01-12T21:01:46.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622080/microscope-slide-displaying-a-vertical-section-of-skin</loc><lastmod>2026-01-12T21:01:46.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622081/microscope-slide-containing-part-of-the-ileum</loc><lastmod>2026-01-12T21:01:46.624Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8624579/unmounted-lens-associated-with-the-universal-microscope</loc><lastmod>2026-01-12T21:01:46.618Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7956/mechanical-finger-lentmayers-for-microscope</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/905/large_smg00029316.jpg</image:loc><image:title>Mechanical finger (Lentmayer&apos;s) for microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7959/lucernal-microscope</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8058420/petrological-microscope</loc><lastmod>2026-01-12T21:01:48.687Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/341/789/large_smg00173396.jpg</image:loc><image:title>Petrological Microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8276/microscope-by-cd-ahrens</loc><lastmod>2026-01-12T21:01:49.574Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/563/large_smg00069659.jpg</image:loc><image:title>Microscope by C.D. Ahrens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7966/brass-fish-plate-from-early-culpeper-microscope</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/907/large_smg00029318.jpg</image:loc><image:title>Brass fish-plate from early Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co7967/petrographical-microscope-eclipse</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/467/large_smg00029934.jpg</image:loc><image:title>Petrographical microscope &apos;Eclipse&apos;</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8058014/gardeners-pocket-microscope</loc><lastmod>2026-01-12T21:01:49.574Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/434/646/large_smg00030923.jpg</image:loc><image:title>Gardener&apos;s pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8269/jamins-hand-microscope</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/411/large_smg00025811.jpg</image:loc><image:title>Jamin&apos;s Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8029/microscope-with-eyepieces-and-objective</loc><lastmod>2026-01-12T21:01:48.699Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/292/large_smg00023811.jpg</image:loc><image:title>Microscope with eyepieces and objective</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co484183/photo-emission-electron-microscope-type-ke3-made-by-balzers-of-balzers</loc><lastmod>2026-01-12T21:01:49.574Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8055/compound-and-simple-microscope</loc><lastmod>2026-01-12T21:01:49.574Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/643/large_smg00071845.jpg</image:loc><image:title>Compound and simple microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8064/solar-microscope-by-george-adams</loc><lastmod>2026-01-12T21:01:50.626Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/527/large_smg00027232.jpg</image:loc><image:title>Solar microscope by George Adams</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8084/lindsays-pocket-microscope</loc><lastmod>2026-01-12T21:01:50.926Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/437/large_smg00027281.jpg</image:loc><image:title>Lindsay&apos;s pocket microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co415147/service-microscope-by-w-watson-and-sons-limited</loc><lastmod>2026-01-12T21:01:50.626Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/662/large_smg00072523.jpg</image:loc><image:title>Service microscope by W. Watson &amp; Sons Limited</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8433/demainbrays-compound-microscope</loc><lastmod>2026-01-12T21:01:51.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/420/681/large_1928_0790__0001_.jpg</image:loc><image:title>Demainbray&apos;s compound microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/420/682/large_1928_0790__0002_.jpg</image:loc><image:title>Demainbray&apos;s compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8247/horizontal-microscope</loc><lastmod>2026-01-12T21:01:51.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/795/large_smg00025490.jpg</image:loc><image:title>Horizontal microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8022902/micromanipulator-1950-1956</loc><lastmod>2026-01-12T21:01:50.926Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/739/large_smg00024391.jpg</image:loc><image:title>Micromanipulator, 1950-1956</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co430988/case-for-culpeper-microscope</loc><lastmod>2026-01-12T21:01:50.926Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/420/678/large_1928_0782_0003__0001_.jpg</image:loc><image:title>Case for Culpeper microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/420/680/large_1928_0782_0003__0003_.jpg</image:loc><image:title>Case for Culpeper microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/420/679/large_1928_0782_0003__0002_.jpg</image:loc><image:title>Case for Culpeper microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/289/328/large_1928_0782__0001_.jpg</image:loc><image:title>Case for Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8493/electron-micrograms-of-a-staphylococcal-bacteriophage-showing-lysed-coccus</loc><lastmod>2026-01-12T21:01:51.643Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co534759/vickers-m55-microscope-serial-no-m550241-regd-no-900267-patent-nos-936184</loc><lastmod>2026-01-12T21:01:50.626Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8221/achromatic-microscope-of-variable-magnifying-power-by-g-oberhauser</loc><lastmod>2026-01-12T21:01:51.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/712/large_smg00024316.jpg</image:loc><image:title>Achromatic microscope of variable magnifying power by G. Oberhauser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8258/microscope-on-wooden-stand-cunos-form-in-case</loc><lastmod>2026-01-12T21:01:51.643Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/665/large_smg00072804.jpg</image:loc><image:title>Microscope on wooden stand, Cuno&apos;s form, in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622072/microscope-slide-containing-hyaline-costal-cartilage</loc><lastmod>2026-01-12T21:01:51.031Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622068/microscope-slide-containing-unstriped-muscular-fibre</loc><lastmod>2026-01-12T21:01:51.031Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8622064/case-containing-10-microscope-slides-comprised-of-animal-specimens</loc><lastmod>2026-01-12T21:01:51.031Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/904/large_smg00029314.jpg</image:loc><image:title>Case containing 10 microscope slides comprised of animal specimens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8506/microscope-slide-with-the-lords-prayer-in-micro-writing-engraved-by-rj-farrants</loc><lastmod>2026-01-12T21:01:52.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/781/large_smg00030337.jpg</image:loc><image:title>Microscope slide with &quot;The Lord&apos;s Prayer&quot; (in micro-writing) engraved by R.J. Farrants</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8513/early-brass-slide-with-three-micrometers</loc><lastmod>2026-01-12T21:01:52.917Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/528/large_smg00027195.jpg</image:loc><image:title>Early brass slide with three micrometers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8008073/micro-hardness-tester-accessory-for-a-vickers-m55-microscope-made-by-vickers-instruments-ltd</loc><lastmod>2026-01-12T21:01:53.226Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co410195/a-bulls-eye-condenser-on-brass-stand</loc><lastmod>2026-01-12T21:01:53.863Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/101/large_smg00025079.jpg</image:loc><image:title>A Bulls Eye Condenser on brass stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118278/demonstration-microscope-by-e-leitz</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/971/large_smg00023612.jpg</image:loc><image:title>Demonstration microscope by E. Leitz</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118273/beale-type-microscope</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/692/large_a56396.jpg</image:loc><image:title>Beale-type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118246/microscope-with-papier-mache-body-tube</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/407/large_smg00025696.jpg</image:loc><image:title>Microscope with papier mache body tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118247/cuff-microscope-by-gilbert</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/801/large_smg00024652.jpg</image:loc><image:title>Cuff microscope by Gilbert</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118274/demonstration-microscope-with-wooden-handle</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/962/large_smg00023602.jpg</image:loc><image:title>Demonstration microscope with wooden handle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118254/compound-monocular-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/374/large_smg00025773.jpg</image:loc><image:title>Compound monocular microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118272/demonstration-microscope-by-acme-optical-works</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/963/large_smg00023603.jpg</image:loc><image:title>Demonstration microscope by Acme Optical Works</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118467/student-microscope-by-georges-oberhaeuser</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/49/large_smg00024612.jpg</image:loc><image:title>Student microscope by Georges Oberhaeuser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118487/compound-microscope</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/441/418/large_smg00030911.jpg</image:loc><image:title>Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118484/gould-microscope-on-jones-improved-type-stand</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/484/large_smg00026779.jpg</image:loc><image:title>Gould microscope on Jones &apos;Improved&apos; type stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118223/compound-monocular-microscope-by-smith-and-beck</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/472/large_smg00026759.jpg</image:loc><image:title>Compound monocular microscope by Smith &amp; Beck</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118485/aquarium-microscope</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/417/large_smg00024102.jpg</image:loc><image:title>Aquarium microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118465/boxfoot-cuff-microscope</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/787/large_smg00024636.jpg</image:loc><image:title>Boxfoot Cuff microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118220/boxfoot-culpeper-microscope-by-rb-bate</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/321/6/large_smg00078753.jpg</image:loc><image:title>Boxfoot Culpeper microscope by R.B. Bate</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8642368/microscope-slide-containing-the-hair-of-a-newborn-infant</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118221/aquatic-microscope-by-cary</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/435/large_smg00025605.jpg</image:loc><image:title>Aquatic microscope by Cary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118288/drum-microscope-second-half-of-19th-century</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/735/large_smg00024419.jpg</image:loc><image:title>Drum microscope, second half of 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118483/compound-monocular-microscope-by-andrew-pritchard</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/646/large_smg00072783.jpg</image:loc><image:title>Compound monocular microscope by Andrew Pritchard</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118287/drum-microscope</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/732/large_smg00024416.jpg</image:loc><image:title>Drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118262/small-gould-body-tube-on-stand-with-unsigned-centring-stage</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/645/large_smg00072781.jpg</image:loc><image:title>Small Gould body tube on stand with unsigned centring stage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118283/drum-microscope-with-spring-focusing</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/727/large_smg00024411.jpg</image:loc><image:title>Drum microscope with spring focusing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118217/chest-microscope-by-edward-blunt</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/315/large_smg00025712.jpg</image:loc><image:title>Chest microscope by Edward Blunt</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118459/incomplete-chest-microscope-by-nairne</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/607/large_smg00025704.jpg</image:loc><image:title>Incomplete chest microscope by Nairne</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118281/drum-microscope-french-mid-19th-century</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/734/large_smg00024418.jpg</image:loc><image:title>Drum microscope, French, mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118436/jones-type-compound-monocular-microscope-with-folding-tripod-foot</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/605/large_smg00025676.jpg</image:loc><image:title>Jones-type compound monocular microscope with folding tripod foot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118479/screwbarrel-microscope-dutch-style-1750-1800</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/357/large_smg00023398.jpg</image:loc><image:title>Screwbarrel microscope, Dutch style, 1750-1800</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118457/range-finder-used-as-eyepiece-on-tube-to-take-microscope-objective-at-base</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/504/large_smg00027166.jpg</image:loc><image:title>Range-finder used as eyepiece on tube to take microscope objective at base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910407/electron-microgram-e-slip-zones-on-aluminium-surface</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910408/electron-microgram-f-intersecting-slip-systems-on-aluminium-surface</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118216/binocular-microscope-serial-no-1764-by-watson-and-sons</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118477/compound-monocular-microscope-by-klonne-and-miller-of-berlin</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/418/large_smg00072517.jpg</image:loc><image:title>Compound monocular microscope by Klonne and Miller of Berlin</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118236/compound-monocular-microscope-with-staggered-tripod-stand</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/834/large_smg00024686.jpg</image:loc><image:title>Compound monocular microscope with staggered tripod stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118432/unsigned-drum-microscope</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/182/large_smg00071558.jpg</image:loc><image:title>Unsigned drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8910402/electron-micrograms-of-a-avian-tubercle-bacilli-b-bovine-tubercle-bacilli</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/31/576/large_1949_0201__0001_.jpg</image:loc><image:title>Electron micrograms of (a) Avian tubercle bacilli (b) Bovine tubercle bacilli</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/31/577/large_1949_0201__0002_.jpg</image:loc><image:title>Electron micrograms of (a) Avian tubercle bacilli (b) Bovine tubercle bacilli</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118233/compound-microscope</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/689/large_a56281.jpg</image:loc><image:title>Compound microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/290/513/large_1954_0421__0003_.jpg</image:loc><image:title>Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118455/screwbarrel-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/958/large_smg00023917.jpg</image:loc><image:title>Screwbarrel microscope in fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118209/viewer-formed-from-two-convex-lenses-with-aperture-disc-between-them</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/36/large_smg00024001.jpg</image:loc><image:title>Viewer formed from two convex lenses with aperture disc between them</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118214/binocular-microscope-by-lancaster-and-son-of-birmingham</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/579/large_smg00069903.jpg</image:loc><image:title>Binocular microscope by Lancaster and Son of Birmingham</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118206/2-viewers</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/35/large_smg00024000.jpg</image:loc><image:title>2 viewers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118258/unsigned-student-microscope</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/29/large_smg00024592.jpg</image:loc><image:title>Unsigned student microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118475/student-microscope</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/887/large_smg00050687.jpg</image:loc><image:title>Student microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118497/compound-monocular-microscope-by-powell-and-lealand</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/773/large_smg00024540.jpg</image:loc><image:title>Compound monocular microscope by Powell and Lealand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118453/boxfoot-culpeper-microscope-in-pyramidal-case</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118256/compound-monocular-microscope-on-oval-base</loc><lastmod>2026-01-12T21:01:55.106Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/73/large_smg00024951.jpg</image:loc><image:title>Compound monocular microscope on oval base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118212/demonstration-microscope</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/1/large_smg00024550.jpg</image:loc><image:title>Demonstration microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118204/drum-microscope-by-secker-of-paris-1801-1850</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/731/large_smg00024415.jpg</image:loc><image:title>Drum microscope by Secker of Paris, 1801-1850</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118476/student-microscope-of-unusual-pattern</loc><lastmod>2026-01-12T21:01:55.356Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/24/large_smg00024587.jpg</image:loc><image:title>Student microscope of unusual pattern</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118452/culpeper-microscope-in-pyramidal-box</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/474/large_smg00024694.jpg</image:loc><image:title>Culpeper microscope in pyramidal box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118205/pritchard-monocular-microscope</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/665/large_smg00072526.jpg</image:loc><image:title>Pritchard monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118450/boxfoot-microscope-1820-1840</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/379/large_smg00025778.jpg</image:loc><image:title>Boxfoot Microscope, 1820-1840</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118228/student-microscope-in-case</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/37/large_smg00024600.jpg</image:loc><image:title>Student microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118226/student-microscope-in-very-bad-condition</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/52/large_smg00024615.jpg</image:loc><image:title>Student microscope in very bad condition</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118444/simple-compass-microscope-with-accessories-five-objective-lenses</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/325/65/large_smg00029911.jpg</image:loc><image:title>simple compass microscope with accessories: five objective lenses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118419/patented-microscope-by-j-swift-and-son</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/449/large_smg00023468.jpg</image:loc><image:title>Patented microscope by J. Swift and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118468/compound-monocular-microscope-between-two-pillars-on-drawer-foot</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/830/large_smg00027095.jpg</image:loc><image:title>Compound monocular microscope between two pillars on drawer foot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118203/screwbarrel-and-aquatic-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118469/student-microscope-french-1850-1900</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/41/large_smg00024604.jpg</image:loc><image:title>Student microscope, French, 1850-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118417/nuremburg-type-drum-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/806/large_smg00027071.jpg</image:loc><image:title>Nuremburg-type drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118466/compound-monocular-microscope-french-1851-1900</loc><lastmod>2026-01-12T21:01:55.396Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/620/large_smg00071819.jpg</image:loc><image:title>Compound monocular microscope, French, 1851-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118415/nuremburg-microscope-with-boxfoot</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/801/large_smg00027066.jpg</image:loc><image:title>Nuremburg microscope with boxfoot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118200/culpeper-microscope-with-sliding-focus</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/321/9/large_smg00078757.jpg</image:loc><image:title>Culpeper microscope with sliding focus</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118440/gould-type-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/441/428/large_smg00030921.jpg</image:loc><image:title>Gould-type microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118416/nuremburg-type-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/804/large_smg00027069.jpg</image:loc><image:title>Nuremburg-type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118441/gould-type-microscope</loc><lastmod>2026-01-12T21:01:55.830Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/444/large_smg00026730.jpg</image:loc><image:title>Gould-type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118899/dery-comparison-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/441/large_a56778__0008_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/438/large_a56778__0005_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/440/large_a56778__0007_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/437/large_a56778__0004_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/442/large_a56778__0009_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/436/large_a56778__0003_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/435/large_a56778__0002_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/439/large_a56778__0006_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/443/large_a56778__0010_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/433/large_a56778__001_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/294/434/large_a56778__0001_.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/517/large_smg00069593.jpg</image:loc><image:title>Dery comparison microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118413/part-of-projection-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/502/large_smg00027164.jpg</image:loc><image:title>Part of projection microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118655/student-horizontal-microscope-by-klonne-and-muller</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/34/large_smg00024597.jpg</image:loc><image:title>Student horizontal microscope by Klonne and Muller</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118614/toy-microscope-stand-only-english-1881-1920</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/140/large_smg00026829.jpg</image:loc><image:title>Toy microscope, stand only, English, 1881-1920</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118421/compound-monocular-microscope-by-amadio</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/291/large_smg00023498.jpg</image:loc><image:title>Compound monocular microscope by Amadio</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118611/tiny-boxfoot-microscope-in-walnut-case</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/104/large_smg00025084.jpg</image:loc><image:title>Tiny boxfoot microscope in walnut case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118414/nuremburg-type-drum-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/805/large_smg00027070.jpg</image:loc><image:title>Nuremburg-type drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118898/high-pressure-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/641/large_smg00230027.jpg</image:loc><image:title>High pressure microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118854/student-microscope-by-jb-dancer</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/27/large_smg00024590.jpg</image:loc><image:title>Student microscope by J.B. Dancer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118411/drum-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/728/large_smg00024412.jpg</image:loc><image:title>Drum microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118638/simple-viewer</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118653/aquarium-microscope-by-andrew-ross</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/445/large_smg00025615.jpg</image:loc><image:title>Aquarium microscope by Andrew Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118610/concave-mirror-on-stand-with-two-ball-sockets-in-arm</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/881/large_smg00026998.jpg</image:loc><image:title>Concave mirror on stand with two ball-sockets in arm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118895/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/603/large_smg00071800.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118877/hand-magnifier-french-mid-19th-century</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/995/large_smg00023958.jpg</image:loc><image:title>Hand magnifier, French, mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118603/boxfoot-microscope-with-three-pillars</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/835/large_smg00024687.jpg</image:loc><image:title>Boxfoot microscope with three pillars</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118412/screwbarrel-microscope-in-case</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/362/large_smg00023403.jpg</image:loc><image:title>Screwbarrel microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118845/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/667/large_smg00072528.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118850/student-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/13/large_smg00024568.jpg</image:loc><image:title>Student microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118878/portable-microscope</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/111/large_smg00025092.jpg</image:loc><image:title>Portable microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118600/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/648/large_smg00072786.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118628/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/771/large_smg00024536.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118896/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/684/large_smg00023437.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118601/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/833/large_smg00027098.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118651/giant-microscope</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/275/large_smg00023791.jpg</image:loc><image:title>Giant microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118869/home-made-hand-microscope-probably-20th-century</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/78/large_smg00024959.jpg</image:loc><image:title>Home made hand microscope, probably 20th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118625/chest-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/91/large_smg00024972.jpg</image:loc><image:title>Chest microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118871/measuring-travelling-microscope</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/947/large_smg00023574.jpg</image:loc><image:title>Measuring (travelling) microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118410/compound-monocular-microscope-of-mixed-manufacture</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/770/large_smg00024535.jpg</image:loc><image:title>Compound monocular microscope of mixed manufacture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118839/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/720/large_smg00024324.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118894/folding-hand-microscope-english</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/899/large_smg00023357.jpg</image:loc><image:title>Folding hand microscope, English</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118650/large-monocular-microscope-by-bausch-and-lomb-optical-co</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/583/large_smg00069929.jpg</image:loc><image:title>Large monocular microscope by Bausch and Lomb Optical Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118892/walnut-stand-with-convex-lens-and-bent-brass-pin-to-hold-specimens</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/61/large_smg00024939.jpg</image:loc><image:title>Walnut stand with convex lens and bent brass pin to hold specimens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118833/simple-viewer</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/988/large_smg00023951.jpg</image:loc><image:title>Simple viewer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118828/double-lens-magnifier-american-circa-1900</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/983/large_smg00023945.jpg</image:loc><image:title>Double lens magnifier, American, circa 1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118409/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/721/large_smg00024325.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118829/simple-viewer-walnut-german-early-19th-century</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/20/large_smg00023984.jpg</image:loc><image:title>Simple viewer, walnut, German, early 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118890/micrometer-microscope-in-form-of-theodolite</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/263/large_smg00023552.jpg</image:loc><image:title>Micrometer microscope in form of theodolite</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118826/simple-viewer-with-facetted-condenser-lens</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/21/large_smg00023985.jpg</image:loc><image:title>Simple viewer with facetted condenser lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118406/binocular-microscope-by-charles-baker</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/636/large_smg00071838.jpg</image:loc><image:title>Binocular microscope by Charles Baker</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118830/linen-prover-english-mid-19th-century</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/97/large_smg00025074.jpg</image:loc><image:title>Linen prover, English, mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118407/student-microscope-by-w-e-and-f-newton</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118649/radial-microscope-by-a-ross</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/609/large_smg00071807.jpg</image:loc><image:title>Radial microscope by A. Ross</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118646/compound-monocular-microscope-with-radial-substage</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/584/large_smg00069930.jpg</image:loc><image:title>Compound monocular microscope with radial substage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118823/simple-viewer</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/22/large_smg00023986.jpg</image:loc><image:title>Simple viewer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118647/student-microscope-on-cast-iron-stand</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/40/large_smg00024603.jpg</image:loc><image:title>Student microscope on cast iron stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118429/compass-microscope-in-case-dutch-1825-1850</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/923/large_smg00023383.jpg</image:loc><image:title>Compass microscope, in case, Dutch, 1825-1850</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118644/museum-microscope-with-drum-having-20-samples</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/725/large_smg00072387.jpg</image:loc><image:title>Museum microscope with drum having 20 samples</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118424/small-monocular-microscope-of-composite-manufacture</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/693/large_smg00023446.jpg</image:loc><image:title>Small monocular microscope of composite manufacture</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118422/jones-type-botanic-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:01:57.632Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/156/large_smg00026880.jpg</image:loc><image:title>Jones-type botanic microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118887/dissecting-microscope-by-w-grund-prague</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/370/large_smg00024038.jpg</image:loc><image:title>Dissecting microscope, by W. Grund, Prague</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118606/compound-monocular-microscope-by-cutts</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/314/large_smg00025667.jpg</image:loc><image:title>Compound monocular microscope by Cutts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118804/compound-monocular-microscope-in-case-lacks-handle</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/607/large_smg00071830.jpg</image:loc><image:title>Compound monocular microscope in case (lacks handle)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118848/iron-pattern-microscope-in-brass</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/360/large_smg00070291.jpg</image:loc><image:title>Iron pattern microscope in brass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118803/compound-monocular-microscope-in-case</loc><lastmod>2026-01-12T21:01:58.767Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/357/large_smg00070288.jpg</image:loc><image:title>Compound monocular microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118849/compound-microscope-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/772/large_smg00024537.jpg</image:loc><image:title>Compound microscope microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118640/lens-set-in-cork-eye-cup-like-watchmakerss-glass</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/994/large_smg00023957.jpg</image:loc><image:title>Lens set in cork eye cup like watchmakers&apos;s glass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118882/beck-style-specimen-holder</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/741/large_smg00025233.jpg</image:loc><image:title>Beck style specimen holder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118604/compound-monocular-microscope-french-1776-1800</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/411/large_smg00025700.jpg</image:loc><image:title>Compound monocular microscope, French, 1776-1800</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118846/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/664/large_smg00072525.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118883/empty-microscope-objective-cannister</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/738/large_smg00025230.jpg</image:loc><image:title>Empty microscope objective cannister</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118847/compound-monocular-microscope</loc><lastmod>2026-01-12T21:01:58.360Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/989/large_a56527__0001_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/990/large_a56527__0002_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/16/991/large_a56527__0003_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/162/large_smg00071478.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118615/dissecting-microscope-by-bausch-and-lomb</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/379/large_smg00024060.jpg</image:loc><image:title>Dissecting microscope by Bausch and Lomb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118613/compressorium-in-the-style-of-bausch-and-lomb</loc><lastmod>2026-01-12T21:01:58.342Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/766/large_smg00026112.jpg</image:loc><image:title>Compressorium, in the style of Bausch and Lomb</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118196/screwbarrel-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/968/large_smg00023930.jpg</image:loc><image:title>Screwbarrel microscope in fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118187/case-for-mid-18th-century-compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/439/57/large_smg00107543.jpg</image:loc><image:title>Case for mid 18th century compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118197/parts-of-cuff-microscope-in-modern-box</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/628/large_smg00071568.jpg</image:loc><image:title>Parts of Cuff microscope in modern box</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/902/large_smg00071568.jpg</image:loc><image:title>Parts of Cuff microscope in modern box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118195/screwbarrel-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/363/large_smg00023404.jpg</image:loc><image:title>Screwbarrel microscope in fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701769/brass-stage-fitting-from-marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118193/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/498/large_smg00026793.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701765/objective-glass-lens-no-3-from-marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701764/objective-glass-lens-no-2-from-marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118186/lens-set-in-small-brass-tube-with-fob-for-watch-chain</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/986/large_smg00023949.jpg</image:loc><image:title>Lens set in small brass tube, with fob for watch chain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118183/home-made-hand-microscope</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/320/458/large_smg00029923.jpg</image:loc><image:title>Home made hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118184/culpeper-microscope-with-drawer-of-accessories-in-base</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118181/inverted-microscope-by-s-plossl-and-company-of-vienna</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/272/large_smg00027159.jpg</image:loc><image:title>Inverted microscope by S. Plossl and Company of Vienna</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118182/cornea-microscope-by-cg-collin-of-stockholm</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/953/large_smg00023586.jpg</image:loc><image:title>Cornea microscope by C.G. Collin of Stockholm</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701776/brass-pricker-from-marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118159/compound-monocular-body-tube-on-heavy-stand-with-curved-cast-pillar</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/418/large_smg00024103.jpg</image:loc><image:title>Compound monocular body tube on heavy stand with curved cast pillar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118156/pyser-drum-change-stereomicroscope</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701756/marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.395Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118179/inverted-microscope-for-chemical-use</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/273/large_smg00027160.jpg</image:loc><image:title>Inverted microscope for chemical use</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118154/microscope-stand</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/692/large_smg00030313.jpg</image:loc><image:title>Microscope stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118152/eight-microscope-objectives-in-case-for-twelve</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/100/large_smg00025078.jpg</image:loc><image:title>Eight microscope objectives in case for twelve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8701770/ivory-disc-for-brass-stage-fitting-from-marshalls-1715-compound-microscope</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118374/live-box-with-curved-discs-mid-19th-century</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/192/large_smg00026096.jpg</image:loc><image:title>Live box with curved discs mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118198/microscope-possibly-for-demonstrations-but-incomplete</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/965/large_smg00023605.jpg</image:loc><image:title>Microscope, possibly for demonstrations but incomplete</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118199/culpeper-boxfoot-microscope-with-inoperative-rack-focusing</loc><lastmod>2026-01-12T21:02:00.824Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/847/large_smg00024708.jpg</image:loc><image:title>Culpeper boxfoot microscope with inoperative rack focusing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118392/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/829/large_smg00024681.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118170/trichina-microscope</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/582/large_smg00050544.jpg</image:loc><image:title>Trichina microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118171/student-microscope-by-charles-chevalier</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/56/large_smg00024619.jpg</image:loc><image:title>Student microscope by Charles Chevalier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118373/botanic-microscope-in-maroon-leather-case</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/776/large_smg00026183.jpg</image:loc><image:title>Botanic microscope in maroon leather case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118369/mahogany-case-containing-microscope-components</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/844/large_smg00050689.jpg</image:loc><image:title>Mahogany case containing microscope components</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118391/dissecting-microscope-with-simple-lenses</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/390/large_smg00024073.jpg</image:loc><image:title>Dissecting microscope with simple lenses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118365/simple-microscope-by-davis-of-derby</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/63/large_smg00024941.jpg</image:loc><image:title>Simple microscope by Davis of Derby</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118189/brass-culpeper-microscope-with-wood-base</loc><lastmod>2026-01-12T21:02:00.923Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/845/large_smg00024706.jpg</image:loc><image:title>Brass Culpeper microscope with wood base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118169/apparatus-to-inspect-electrical-wiring-as-it-heats-up</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/274/large_smg00027161.jpg</image:loc><image:title>Apparatus to inspect electrical wiring as it heats up</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118167/aquarium-microscope-with-steel-pillar-and-clamp</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/436/large_smg00025606.jpg</image:loc><image:title>Aquarium microscope with steel pillar and clamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118361/culpeper-microscope-in-pyramidal-box</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/476/large_smg00024700.jpg</image:loc><image:title>Culpeper microscope in pyramidal box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118389/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/681/large_smg00023434.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118586/nuremburg-type-compound-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/777/large_smg00024481.jpg</image:loc><image:title>Nuremburg type compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118164/microscope-model-bactil-60</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/657/large_smg00072442.jpg</image:loc><image:title>Microscope, model Bactil-60</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118161/royal-society-of-arts-microscope-by-newton-and-son</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/12/large_smg00024567.jpg</image:loc><image:title>Royal Society of Arts microscope by Newton &amp; Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118584/nuremburg-culpeper-microscope-with-im-in-oval-branded-on-base</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/780/large_smg00024485.jpg</image:loc><image:title>Nuremburg Culpeper microscope with &quot;iM&quot; in oval branded on base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118388/compound-moncular-microscope-in-case-with-accessories-by-nachet-and-son</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/694/large_smg00023447.jpg</image:loc><image:title>Compound moncular microscope in case with accessories by Nachet and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118581/nuremburg-microscope-of-culpeper-type-with-three-short-legs-instead-of-tripod</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/775/large_smg00024479.jpg</image:loc><image:title>Nuremburg microscope of Culpeper type with three short legs instead of tripod</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118162/withering-botanic-microscope-in-red-leather-covered-case</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/854/large_smg00026913.jpg</image:loc><image:title>Withering botanic microscope in red leather-covered case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118556/unsigned-solar-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/507/large_smg00025292.jpg</image:loc><image:title>Unsigned solar microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118578/catgut-focusing-monocular-microscope-by-j-ames</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/643/large_smg00072405.jpg</image:loc><image:title>Catgut focusing monocular microscope by J. Ames</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118337/monocular-microscope</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/139/large_smg00070295.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118383/boxfoot-cuff-microscope</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/792/large_smg00024641.jpg</image:loc><image:title>Boxfoot Cuff microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118557/three-microscope-apertures-in-case</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/195/large_smg00026099.jpg</image:loc><image:title>Three microscope apertures in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118384/two-lens-compass-microscope-french-1820-1850</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/915/large_smg00023374.jpg</image:loc><image:title>Two lens compass microscope, French, 1820-1850</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118576/ornate-boxfoot-microscope</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/641/large_smg00072403.jpg</image:loc><image:title>Ornate boxfoot microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118796/gould-type-microscope-with-tube-narrow-at-base</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/371/large_smg00025770.jpg</image:loc><image:title>Gould type microscope with tube narrow at base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8988536/microscopical-mounting-outfit</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/505/94/large_smg00123638.jpg</image:loc><image:title>Microscopical Mounting Outfit</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118376/compass-microscope-in-brown-leather-case</loc><lastmod>2026-01-12T21:02:00.924Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/289/large_smg00023386.jpg</image:loc><image:title>Compass microscope in brown leather case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118359/culpeper-microscope-in-pyramid-case</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/493/large_smg00025109.jpg</image:loc><image:title>Culpeper microscope in pyramid case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118552/box-with-accessories-for-folding-tripod-foot-microscope-with-short-body-tube</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/457/large_smg00026743.jpg</image:loc><image:title>Box with accessories for folding tripod foot microscope with short body tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118333/stereoscopic-microscope</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/390/large_smg00023127.jpg</image:loc><image:title>Stereoscopic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118794/gould-type-microscope-with-home-made-adaptations</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/361/large_smg00025759.jpg</image:loc><image:title>Gould type microscope with home made adaptations</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118330/stereoscopic-microscope</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/733/large_smg00024384.jpg</image:loc><image:title>Stereoscopic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118357/culpeper-microscope-with-boxfoot-and-accessory-drawer</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/497/large_smg00025113.jpg</image:loc><image:title>Culpeper microscope with boxfoot and accessory drawer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118354/binocular-microscope-by-cd-ahrens-of-london</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/571/large_smg00069676.jpg</image:loc><image:title>Binocular microscope by C.D. Ahrens of London</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118787/two-lens-viewer-with-watchglass</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/224/large_smg00072566.jpg</image:loc><image:title>Two lens viewer with watchglass</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118792/gould-type-microscope-in-mahogany-box-with-rosewood-veneer-by-cary</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/362/large_smg00025760.jpg</image:loc><image:title>Gould type microscope in mahogany box with rosewood veneer by Cary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118570/screwbarrel-microscope-in-fish-skin-case</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/76/large_smg00024957.jpg</image:loc><image:title>Screwbarrel microscope in fish skin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118597/copy-of-nuremburg-type-microscope</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/782/large_smg00024488.jpg</image:loc><image:title>Copy of Nuremburg type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118594/monocular-microscope</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/633/large_smg00072395.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118543/simple-viewer-english-19th-century</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/30/large_smg00023995.jpg</image:loc><image:title>Simple viewer, English, 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973253/simple-brass-microtome</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/675/large_smg00103110.jpg</image:loc><image:title>Simple brass microtome</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118791/nuremburg-type-compound-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/807/large_smg00027072.jpg</image:loc><image:title>Nuremburg type compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118349/stand-to-hold-demonstration-body-tubes</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/981/large_smg00023623.jpg</image:loc><image:title>Stand to hold demonstration body tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118592/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/654/large_smg00072793.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118329/stereoscopic-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/734/large_smg00024385.jpg</image:loc><image:title>Stereoscopic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118786/gould-type-microscope</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/383/large_smg00025669.jpg</image:loc><image:title>Gould type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118351/student-microscope-by-nachet-and-son</loc><lastmod>2026-01-12T21:02:02.194Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/16/large_smg00024572.jpg</image:loc><image:title>Student microscope by Nachet and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118345/compound-monocular-microscope-by-c-collins</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/697/large_smg00023491.jpg</image:loc><image:title>Compound monocular microscope by C. Collins</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973248/g-and-s-conference-close-circuit-television-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118781/compound-monocular-microscope-of-the-no-2-form</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/679/large_smg00256653.jpg</image:loc><image:title>Compound monocular microscope of the no. 2 form</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8973249/cable-for-g-and-s-conference-close-circuit-television-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/566/large_smg00002473.jpg</image:loc><image:title>Cable for G &amp; S Conference close circuit television microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118585/nuremburg-type-compound-microscope</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/812/large_smg00027077.jpg</image:loc><image:title>Nuremburg type compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118344/cuff-type-compound-monocular-microscope-with-box-base</loc><lastmod>2026-01-12T21:02:02.554Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/789/large_smg00024638.jpg</image:loc><image:title>Cuff-type compound monocular microscope with box base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118540/compound-monocular-microscope-in-green-leather-case</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/448/large_smg00026734.jpg</image:loc><image:title>Compound monocular microscope in green leather case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118538/screwbarrel-microscope-in-brown-leather-case</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/952/large_smg00023911.jpg</image:loc><image:title>Screwbarrel microscope in brown leather case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118539/gould-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/376/large_smg00025775.jpg</image:loc><image:title>Gould microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118527/withering-style-botanic-microscope-in-case</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/849/large_smg00026908.jpg</image:loc><image:title>Withering style botanic microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118537/screwbarrel-microscope-in-fish-skin-case</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/107/large_smg00025088.jpg</image:loc><image:title>Screwbarrel microscope in fish skin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118779/brass-culpeper-microscope</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/449/large_smg00024489.jpg</image:loc><image:title>Brass Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118767/unsigned-boxfoot-culpeper-microscope</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/494/large_smg00025110.jpg</image:loc><image:title>Unsigned boxfoot Culpeper microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118518/simple-microscope-with-push-screw-focusing</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/47/large_smg00024924.jpg</image:loc><image:title>Simple microscope with push-screw focusing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118526/white-ivory-flea-microscope-english-18th-century</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/896/large_smg00023354.jpg</image:loc><image:title>White ivory flea microscope, English, 18th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118523/simple-viewer-with-lignum-vitae-case-and-stand</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/43/large_smg00024008.jpg</image:loc><image:title>Simple viewer with lignum vitae case and stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118549/cell-and-sleeves-for-simple-double-lens-magnifier</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118766/compound-microscope-with-folding-foot</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/629/large_smg00026728.jpg</image:loc><image:title>Compound microscope with folding foot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118545/telescope-like-optical-device-19th-century</loc><lastmod>2026-01-12T21:02:03.052Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/80/large_smg00024961.jpg</image:loc><image:title>Telescope like optical device 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118763/brass-linen-prover-english-late-18th-century</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/113/large_smg00025094.jpg</image:loc><image:title>Brass linen prover, English, late 18th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118514/rackbarrel-microscope-on-stand-by-urings</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/439/large_smg00027283.jpg</image:loc><image:title>Rackbarrel microscope on stand by Urings</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118522/homemade-microscope-in-ivory</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/41/large_smg00024006.jpg</image:loc><image:title>Homemade microscope in ivory</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118761/screwbarrel-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/301/large_smg00023922.jpg</image:loc><image:title>Screwbarrel microscope in fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118967/binocular-dissecting-microscope-no-46622-by-beck</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/296/large_smg00023707.jpg</image:loc><image:title>Binocular dissecting microscope no. 46622 by Beck</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118726/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/483/large_a60965__0006_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/482/large_a60965__0005_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/479/large_a60965__0002_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/480/large_a60965__0003_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/481/large_a60965__0004_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/55/478/large_a60965__0001_.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/844/large_smg00027109.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118760/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/385/large_smg00025671.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118968/low-power-binocular-fenestration-microscope-no101040</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/249/large_smg00023713.jpg</image:loc><image:title>Low-power binocular fenestration microscope no.101040</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118707/high-power-binocular-body-tube</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/564/large_smg00069669.jpg</image:loc><image:title>High power binocular body tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118512/compound-minocular-microscope-french-1851-1900</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/769/large_smg00024534.jpg</image:loc><image:title>Compound minocular microscope, French, 1851-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118754/student-microscope-by-jh-steward</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/19/large_smg00024577.jpg</image:loc><image:title>Student microscope by J.H. Steward</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118708/binocuular-body-tube</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/573/large_smg00069678.jpg</image:loc><image:title>Binocuular body tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118965/monocular-microscope-no26444-by-the-spencer-lens-co</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/247/large_smg00023711.jpg</image:loc><image:title>Monocular microscope no.26444 by the Spencer Lens Co</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118724/nuremburg-type-compound-microscope</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/764/large_smg00024467.jpg</image:loc><image:title>Nuremburg type compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118947/stand-for-condenser-lens</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/197/large_smg00026553.jpg</image:loc><image:title>Stand for condenser lens</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118732/polarization-microscope</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/689/large_smg00023442.jpg</image:loc><image:title>Polarization microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118706/barnards-calcite-binocular-body-tube-with-display-stand</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/572/large_smg00069677.jpg</image:loc><image:title>Barnard&apos;s calcite binocular body tube with display stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118752/dissecting-microscope-probably-french-1850-1900</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/402/large_smg00024086.jpg</image:loc><image:title>Dissecting microscope, probably French, 1850-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118722/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/825/large_smg00027090.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118945/binocular-body-tube-of-stephenson-type</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/122/large_smg00025254.jpg</image:loc><image:title>Binocular body tube of Stephenson type</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118753/stanhope-lens-in-ivory-mounting</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/229/large_smg00072582.jpg</image:loc><image:title>Stanhope lens in ivory mounting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118943/binocular-microscope-by-m-pillischer</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/594/large_smg00070297.jpg</image:loc><image:title>Binocular microscope by M. Pillischer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118962/compound-monocular-microscope-by-w-h-bulloch</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/586/large_smg00069932.jpg</image:loc><image:title>Compound monocular microscope by W. H. Bulloch</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118750/first-form-of-withering-botanic-microscope</loc><lastmod>2026-01-12T21:02:04.319Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/852/large_smg00026911.jpg</image:loc><image:title>First form of Withering botanic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118941/single-lens-in-horn-mounting-with-double-lens-in-pivoting-horn-mounting</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/980/large_smg00023942.jpg</image:loc><image:title>Single lens in horn mounting with double lens in pivoting horn mounting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118731/microscope-compendium-with-solar-microscope</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/766/large_smg00024531.jpg</image:loc><image:title>Microscope compendium with solar microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118942/lens-in-ivory-mounting</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/993/large_smg00023956.jpg</image:loc><image:title>Lens in ivory mounting</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118749/english-flea-microscope-18th-century</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/895/large_smg00023353.jpg</image:loc><image:title>English flea microscope, 18th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118747/beale-type-demonstration-microscope-in-black-velvet-bag</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/968/large_smg00023609.jpg</image:loc><image:title>Beale type demonstration microscope in black velvet bag</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118746/beale-type-demonstration-microscope-by-matthews</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/0/large_smg00024549.jpg</image:loc><image:title>Beale type demonstration microscope by Matthews</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co9038522/jem-6a-transmission-electron-microscope</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118928/hand-microscope</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/921/large_smg00023380.jpg</image:loc><image:title>Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118719/microscope-lamp-of-curious-design</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/545/large_smg00027219.jpg</image:loc><image:title>Microscope lamp of curious design</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118717/wolz-oil-lamp</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118950/folding-hand-microscope-in-leather-case</loc><lastmod>2026-01-12T21:02:05.080Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/931/large_smg00023392.jpg</image:loc><image:title>Folding hand microscope in leather case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118933/hand-microscope-in-case</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/908/large_smg00023367.jpg</image:loc><image:title>Hand microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118930/binocular-magnifier-with-screw-adjustment-of-interocular-distance-english</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/985/large_smg00023948.jpg</image:loc><image:title>Binocular magnifier with screw adjustment of interocular distance English</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118931/achromatic-objective-with-ross-thread</loc><lastmod>2026-01-12T21:02:05.329Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/791/large_smg00026565.jpg</image:loc><image:title>Achromatic objective with Ross thread</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8639644/alfred-swaine-taylors-microscope</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118900/tiny-linen-prover</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/79/large_smg00024960.jpg</image:loc><image:title>Tiny linen prover</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119100/two-convex-lenses-in-concentric-tubes</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/876/large_smg00026993.jpg</image:loc><image:title>Two convex lenses in concentric tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119126/linen-prover-probably-french-in-case-1850-1900</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/112/large_smg00025093.jpg</image:loc><image:title>Linen prover, probably French, in case, 1850-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119342/compound-monocular-microscope-by-e-leitz-of-wetzlar</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/282/large_smg00023800.jpg</image:loc><image:title>Compound monocular microscope by E. Leitz of Wetzlar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118929/hand-microscope</loc><lastmod>2026-01-12T21:02:05.864Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/81/large_smg00024962.jpg</image:loc><image:title>Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119341/small-compound-monocular-microscope-by-zeiss</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/270/large_smg00023780.jpg</image:loc><image:title>Small compound monocular microscope by Zeiss</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119583/dissecting-microscope-in-case</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/607/large_smg00071246.jpg</image:loc><image:title>Dissecting microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119364/microscope-with-cuff-type-focusing</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/456/large_smg00026742.jpg</image:loc><image:title>Microscope with Cuff type focusing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119582/box-containing-five-objectives-and-a-lieberkuhn</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/815/large_smg00026590.jpg</image:loc><image:title>Box containing five objectives and a lieberkuhn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119328/nuremburg-type-compound-microscope-marked-im-in-irregular-circle</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/772/large_smg00024475.jpg</image:loc><image:title>Nuremburg-type compound microscope marked &quot;iM&quot; in irregular circle</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119121/botanic-microscope-of-witherings-second-form</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/775/large_smg00026182.jpg</image:loc><image:title>Botanic microscope of Withering&apos;s second form</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119327/nuremburg-type-compound-microscope-marked-im-in-jagged-circle</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119120/objective-disc-with-four-objectives</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119569/binocular-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/150/large_smg00071466.jpg</image:loc><image:title>Binocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119580/simple-hand-microscope-by-m-pillischer</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/907/large_smg00023366.jpg</image:loc><image:title>Simple hand microscope by M. Pillischer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120106/pair-of-brass-tweezers</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/136/large_smg00025268.jpg</image:loc><image:title>Pair of brass tweezers</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119568/demonstration-microscope-with-box-stand</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/959/large_smg00023599.jpg</image:loc><image:title>Demonstration microscope with box stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119362/jones-most-improved-microscope</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/453/large_smg00026739.jpg</image:loc><image:title>Jones &quot;Most Improved&quot; microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119325/nuremberg-type-boxfoot-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/776/large_smg00024480.jpg</image:loc><image:title>Nuremberg-type boxfoot microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119567/body-tube-of-a56510</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/743/large_smg00025235.jpg</image:loc><image:title>Body tube of A56510</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119118/abbe-type-camera-lucida-in-case</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/350/large_smg00026967.jpg</image:loc><image:title>Abbe type camera lucida in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119138/screwbarrel-microscope-in-shagreen-case</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/364/large_smg00023405.jpg</image:loc><image:title>Screwbarrel microscope in shagreen case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119116/gould-microscope-with-box-used-as-base</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/363/large_smg00025761.jpg</image:loc><image:title>Gould microscope with box used as base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118268/unsigned-students-microscope</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/991/large_smg00024020.jpg</image:loc><image:title>Unsigned student&apos;s microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118291/student-microscope-by-e-hartnack</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/81/large_smg00072366.jpg</image:loc><image:title>Student microscope by E. Hartnack</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119137/culpeper-microscope-in-pyramidal-box</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/815/large_smg00024666.jpg</image:loc><image:title>Culpeper microscope in pyramidal box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119564/microscope-accessories</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/803/large_smg00026579.jpg</image:loc><image:title>Microscope accessories</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119379/screwbarrel-microscope-in-fishskin-case</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/361/large_smg00023402.jpg</image:loc><image:title>Screwbarrel microscope in fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119115/first-form-of-withering-botanic-microscope</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/851/large_smg00026910.jpg</image:loc><image:title>First form of Withering botanic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118231/compound-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/659/large_a56280__0003_.jpg</image:loc><image:title>Compound microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/658/large_a56280__0001_.jpg</image:loc><image:title>Compound microscope</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/375/660/large_a56280__0002_.jpg</image:loc><image:title>Compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co8644843/fourteen-microscope-slides</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118269/demonstration-microscope-by-e-lutz-of-boulivard-saint-germain</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/969/large_smg00023610.jpg</image:loc><image:title>Demonstration microscope by E. Lutz of  Boulivard Saint-Germain</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119129/wood-and-brass-microscope-case-english-1771-1800</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/811/large_smg00024662.jpg</image:loc><image:title>Wood and brass microscope case, English, 1771-1800</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119136/gould-microscope-by-john-braham-of-bristol</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/369/large_smg00025768.jpg</image:loc><image:title>Gould microscope by John Braham of Bristol</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119563/argand-lamp</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/569/large_smg00029565.jpg</image:loc><image:title>Argand lamp</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119320/powell-and-lealand-iron-monocular-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/575/large_smg00070527.jpg</image:loc><image:title>Powell and Lealand `iron&apos; monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119599/student-microscope-in-case</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/39/large_smg00024602.jpg</image:loc><image:title>Student microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119127/compound-monocular-microscope-with-lever-stage</loc><lastmod>2026-01-12T21:02:06.828Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119133/microscope-case-for-compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/271/large_smg00023781.jpg</image:loc><image:title>Microscope case for compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119598/royal-society-of-arts-microscope</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/325/large_smg00024574.jpg</image:loc><image:title>Royal Society of Arts microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119113/microscope-stand-attributed-to-gv-schleenstein-of-cologne</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/724/large_smg00025215.jpg</image:loc><image:title>Microscope stand attributed to G.V. Schleenstein of Cologne</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118267/student-microscope-jena-germany-1906-1945</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/408/large_a154131_0002__0001_.jpg</image:loc><image:title>Student microscope, Jena, Germany, 1906-1945</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/1/691/large_a56390__0002_.jpg</image:loc><image:title>Student microscope, Jena, Germany, 1906-1945</image:title></image:image><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/369/large_smg00024037.jpg</image:loc><image:title>Student microscope, Jena, Germany, 1906-1945</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119130/pyramidal-case</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/836/large_smg00024688.jpg</image:loc><image:title>Pyramidal case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119304/compound-monocular-chest-microscope-cuff-focusing</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/454/large_smg00026740.jpg</image:loc><image:title>Compound monocular chest microscope Cuff focusing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119109/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/775/large_smg00024542.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119355/gould-type-microscope-by-c-a-schmalcalder</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/381/large_smg00025780.jpg</image:loc><image:title>Gould type microscope by C. A. Schmalcalder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119108/drum-microscope-with-side-pillar</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/254/large_smg00025137.jpg</image:loc><image:title>Drum microscope with side pillar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118230/gould-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/449/large_smg00026735.jpg</image:loc><image:title>Gould microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119339/gould-type-microscope-by-cary</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/441/426/large_smg00030919.jpg</image:loc><image:title>Gould-type microscope by Cary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118264/chest-microscope-by-moginie</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/435/large_smg00027279.jpg</image:loc><image:title>Chest microscope by Moginie</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119349/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/587/large_smg00070243.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119302/drum-microscope-in-case-english-mid-19th-century</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/309/large_smg00071557.jpg</image:loc><image:title>Drum microscope in case, English, mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118249/boxfoot-microscope-in-pyramidal-case-unsigned</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/454/large_smg00027298.jpg</image:loc><image:title>Boxfoot microscope, in pyramidal case, unsigned</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118265/compound-monocular-microscope-with-folding-base</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/633/large_smg00071835.jpg</image:loc><image:title>Compound monocular microscope with folding base</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119353/oil-lamp-for-microscopy</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119105/culpeper-type-microscope</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/489/large_smg00025105.jpg</image:loc><image:title>Culpeper type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119336/nuremburg-type-compound-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/321/255/large_smg00181642.jpg</image:loc><image:title>Nuremburg-type compound microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119542/portable-microscope-in-case</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/948/large_smg00023906.jpg</image:loc><image:title>Portable microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119110/boxfoot-microscope-with-rectangular-mirror</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/851/large_smg00027116.jpg</image:loc><image:title>Boxfoot microscope with rectangular mirror</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119577/solar-microscope-with-screwbarrel</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/563/large_smg00069878.jpg</image:loc><image:title>Solar microscope with screwbarrel</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119334/nuremburg-type-compound-microscope-german-late-18th-century</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/878/large_smg00027211.jpg</image:loc><image:title>Nuremburg-type compound microscope; German; late 18th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119346/compound-monocular-microscope-by-george-adams</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/459/large_smg00029242.jpg</image:loc><image:title>Compound monocular microscope by George Adams</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119541/french-toy-microscope-in-case-late-19th-century</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/143/large_smg00026832.jpg</image:loc><image:title>French toy microscope in case, late 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119575/unsigned-solar-microscope-with-rackbarrel-onjective</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/509/large_smg00025294.jpg</image:loc><image:title>Unsigned solar microscope with rackbarrel onjective</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119587/112-inch-objective-lensrossenglish-mid-19th-century</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/167/large_smg00026071.jpg</image:loc><image:title>1/12 inch objective lens;Ross;English; mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119332/culpeper-microscope-with-black-shagreen-tube-and-brass-mount-to-eyepiece</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/775/large_smg00030295.jpg</image:loc><image:title>Culpeper microscope with black shagreen tube and brass mount to eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118263/unsigned-drum-microscope-in-case</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/725/large_smg00024409.jpg</image:loc><image:title>Unsigned drum microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119102/convex-lenses-and-tube-for-eyepiece</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/877/large_smg00026994.jpg</image:loc><image:title>Convex lenses and tube for eyepiece</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119344/box-containing-variety-of-live-boxes</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/749/large_smg00025241.jpg</image:loc><image:title>Box containing variety of live boxes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119593/model-of-leeuwanhoeks-aquatic-microscope</loc><lastmod>2026-01-12T21:02:07.480Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/686/large_smg00030302.jpg</image:loc><image:title>Model of Leeuwanhoek&apos;s aquatic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119586/small-microscope-in-case-with-other-parts</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/83/large_smg00024964.jpg</image:loc><image:title>Small microscope in case with other parts</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119101/two-plano-convex-lenses-set-in-concentric-tubes</loc><lastmod>2026-01-12T21:02:07.430Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/875/large_smg00026992.jpg</image:loc><image:title>Two plano convex lenses set in concentric tubes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119331/cuff-type-microscope-with-drawer-for-accessories-in-boxfoot</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/798/large_smg00024649.jpg</image:loc><image:title>Cuff-type microscope with drawer for accessories in boxfoot</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119573/pritchard-microscope</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/668/large_smg00072529.jpg</image:loc><image:title>Pritchard microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119318/compass-microscope-in-fishskin-covered-case</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/920/large_smg00023379.jpg</image:loc><image:title>Compass microscope in fishskin covered case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119571/diatom-stage-with-integral-condenser</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/756/large_smg00026102.jpg</image:loc><image:title>Diatom stage with integral condenser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118229/polarizing-microscope-by-w-watson-and-sons</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/654/large_smg00072432.jpg</image:loc><image:title>Polarizing microscope by W. Watson and Sons</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119570/demonstration-eyepiece-with-finder</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/172/large_smg00026960.jpg</image:loc><image:title>Demonstration eyepiece with finder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119317/ivory-screwbarrel-microscope-in-black-fishskin-case</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/962/large_smg00023924.jpg</image:loc><image:title>Ivory screwbarrel microscope in black fishskin case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119792/portable-folding-microscope</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/124/large_smg00025256.jpg</image:loc><image:title>Portable folding microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119316/harley-binocular-microscope-by-charles-collins</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/358/large_smg00070289.jpg</image:loc><image:title>Harley binocular microscope by Charles Collins</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119305/cuff-type-compound-microscope-english</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/788/large_smg00024637.jpg</image:loc><image:title>Cuff-type compound microscope, English</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119505/objective-by-james-smith-of-london</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/804/large_smg00026580.jpg</image:loc><image:title>Objective by James Smith of London</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119547/lucernal-objectives</loc><lastmod>2026-01-12T21:02:07.928Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/807/large_smg00026583.jpg</image:loc><image:title>Lucernal objectives</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119504/ivory-hand-microscope</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/56/large_smg00024934.jpg</image:loc><image:title>Ivory hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119314/compound-monocular-microscope-by-cary</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/486/large_smg00026781.jpg</image:loc><image:title>Compound monocular microscope by Cary</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119527/objective-slider-with-6-lenses</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/733/large_smg00025225.jpg</image:loc><image:title>Objective slider with 6 lenses</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119768/binocular-microscope-by-e-leitz-of-wetzlar-c-1920s</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/268/large_smg00023778.jpg</image:loc><image:title>Binocular Microscope by E. Leitz of Wetzlar, c 1920&apos;s</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119556/portable-microscope</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/94/large_smg00024975.jpg</image:loc><image:title>Portable microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119724/hand-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/943/large_smg00023414.jpg</image:loc><image:title>Hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119313/chest-microscope-compound-monocular-body-tube-with-cuff-focusing-and-stage</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/611/large_smg00025710.jpg</image:loc><image:title>Chest microscope compound monocular body tube with Cuff focusing and stage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118633/viewer-formed-from-convex-lens-at-top-of-brass-tube</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/996/large_smg00023959.jpg</image:loc><image:title>Viewer formed from convex lens at top of brass tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119555/boxfoot-microscope-by-r-field-and-son</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/109/large_smg00025090.jpg</image:loc><image:title>Boxfoot microscope by R. Field and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119502/microscope-turntable</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/784/large_smg00026556.jpg</image:loc><image:title>Microscope turntable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118634/viewer-formed-from-convex-lens-set-in-draw-tube-in-sleeve</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/990/large_smg00023953.jpg</image:loc><image:title>Viewer formed from convex lens set in draw tube in sleeve</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118631/simple-viewer</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/972/large_smg00023934.jpg</image:loc><image:title>Simple viewer</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119525/small-botanic-microscope</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/830/large_smg00026889.jpg</image:loc><image:title>Small botanic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119501/microscope-turntable</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/785/large_smg00026559.jpg</image:loc><image:title>Microscope turntable</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119553/combination-objective</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/736/large_smg00025228.jpg</image:loc><image:title>Combination objective</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119500/dissecting-microscope-in-case</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/407/large_smg00024091.jpg</image:loc><image:title>Dissecting microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118630/magnifier-with-16-cells-dutch-18th-century</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/74/large_smg00024954.jpg</image:loc><image:title>Magnifier with 16 cells, Dutch, 18th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119740/binocular-microscopes-by-e-leitz-of-wetzlar</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/455/large_smg00023663.jpg</image:loc><image:title>Binocular microscopes by E. Leitz of Wetzlar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119552/dark-ground-stage-by-c-reichert-of-vienna</loc><lastmod>2026-01-12T21:02:09.127Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/742/large_smg00025234.jpg</image:loc><image:title>Dark ground stage by C. Reichert of Vienna</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119524/bulls-eye-condenser</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/155/large_smg00026058.jpg</image:loc><image:title>Bull&apos;s eye condenser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119523/microscope-lamp-for-ultra-microscopy-circa-1935</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119517/recessed-ring-with-sliding-collar</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/189/large_smg00026093.jpg</image:loc><image:title>Recessed ring with sliding collar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119758/newman-waterfield-warm-stage</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/755/large_smg00026101.jpg</image:loc><image:title>&quot;Newman-Waterfield&quot; warm stage</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119522/part-of-body-tube-for-dellebarre-microscope</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/71/large_smg00024949.jpg</image:loc><image:title>Part of body tube for Dellebarre microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118403/compound-microscope-in-case-by-jones-and-son</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/398/large_smg00025687.jpg</image:loc><image:title>Compound microscope in case by Jones and Son</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119516/objective-disc-with-6-lenses-to-fit-jones-type-body-tube-support</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/796/large_smg00026570.jpg</image:loc><image:title>Objective disc with 6 lenses to fit Jones type body tube support</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119520/two-prisms-for-binocular-microscopes</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/880/large_smg00026997.jpg</image:loc><image:title>Two prisms for binocular microscopes</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118400/student-microscope-french-late-19th-century</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/30/large_smg00024593.jpg</image:loc><image:title>Student microscope, French, late 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119536/universal-microscope-by-smith</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/53/large_smg00024616.jpg</image:loc><image:title>Universal microscope by Smith</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119714/rough-model-of-divinis-compound-microscope-with-tripod-stand</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/840/large_smg00027105.jpg</image:loc><image:title>Rough model of Divini&apos;s compound microscope with tripod stand</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119535/demonstration-microscope-french-mid-19th-century</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/977/large_smg00023618.jpg</image:loc><image:title>Demonstration microscope, French, mid 19th century</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119973/monocular-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/438/897/large_smg00069938.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119534/body-tube-for-compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/117/large_smg00025242.jpg</image:loc><image:title>Body tube for compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119712/model-of-a-17th-century-simple-microscope</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/431/large_smg00027275.jpg</image:loc><image:title>Model of a 17th century simple microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119533/demonstration-microscope</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/310/978/large_smg00023620.jpg</image:loc><image:title>Demonstration microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119753/turntable-from-microscope-slide-preparation</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/759/large_smg00026105.jpg</image:loc><image:title>Turntable from microscope slide preparation</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119511/screwbarrel-microscope-with-aquatic-motion</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119530/objective-with-lieberkuhn</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/805/large_smg00026581.jpg</image:loc><image:title>Objective with lieberkuhn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119709/model-of-campani-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/561/large_smg00069656.jpg</image:loc><image:title>Model of Campani microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118617/aquatic-microscope-in-mahogany-case</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/303/126/large_smg00026808.jpg</image:loc><image:title>Aquatic microscope in mahogany case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119509/triple-button-objective-and-nose-piece-in-cannister-for-carpenter-style-set</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/810/large_smg00026586.jpg</image:loc><image:title>Triple button objective and nose piece in cannister for Carpenter style set</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118819/simple-viewer-with-boxwood-cylinder</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/31/large_smg00023996.jpg</image:loc><image:title>Simple viewer with boxwood cylinder</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119508/objective-unsigned-with-2-cannisters-signed-by-wray</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/814/large_smg00026589.jpg</image:loc><image:title>Objective, unsigned, with 2 cannisters signed by Wray</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119750/small-dissecting-microscopes-by-e-leitz-of-wetzlar</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/404/large_smg00024088.jpg</image:loc><image:title>Small dissecting microscopes by E. Leitz of Wetzlar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118817/simple-hand-microscope-with-object-disc-of-six-windows</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/75/large_smg00024955.jpg</image:loc><image:title>Simple hand microscope with object disc of six windows</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118618/simple-microcope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/435/594/large_smg00180677.jpg</image:loc><image:title>Simple microcope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118857/microscope-box</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119749/dissecting-microscope-by-r-and-j-beck-ltd</loc><lastmod>2026-01-12T21:02:10.482Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118856/compound-monocular-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/363/large_smg00070296.jpg</image:loc><image:title>Compound monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118813/culpeper-type-microscope</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/700/large_smg00023816.jpg</image:loc><image:title>Culpeper type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118637/viewer-with-lens-set-at-top-of-tube</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/23/large_smg00023988.jpg</image:loc><image:title>Viewer with lens set at top of tube</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119727/folding-hand-microscope-with-lens-missing</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/205/large_smg00072545.jpg</image:loc><image:title>Folding hand microscope with lens missing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118811/cabinet-of-accessories-to-a-number-of-stands</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/318/913/large_smg00029349.jpg</image:loc><image:title>Cabinet of accessories to a number of stands</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119726/folding-hand-microscope</loc><lastmod>2026-01-12T21:02:10.537Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/209/large_smg00072549.jpg</image:loc><image:title>Folding hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119718/model-of-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/319/567/large_smg00069882.jpg</image:loc><image:title>Model of microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118629/stage-for-dissecing-microscope-english-1851-1900</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/501/large_smg00027163.jpg</image:loc><image:title>Stage for dissecing microscope, English, 1851-1900</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co118810/cuff-microscope</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120088/macro-dia-microphotographic-equipment</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/314/463/large_smg00183022.jpg</image:loc><image:title>Macro-Dia microphotographic equipment</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120080/flip-top-microscope-condenser</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/145/large_smg00026048.jpg</image:loc><image:title>Flip-top microscope condenser</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119089/english-flea-microscope-in-brass-casing</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/892/large_smg00023349.jpg</image:loc><image:title>English flea microscope in brass casing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119716/model-of-cherubin-dorleans-compound-microscope-of-1671</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/862/large_smg00027129.jpg</image:loc><image:title>Model of Cherubin d&apos;Orleans compound microscope of 1671</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120089/monocular-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/306/637/large_smg00071839.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119715/model-of-stand-for-microscope</loc><lastmod>2026-01-12T21:02:11.092Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/837/large_smg00027102.jpg</image:loc><image:title>Model of stand for microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119088/english-flea-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/890/large_smg00023347.jpg</image:loc><image:title>English flea microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119087/unsigned-gould-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119286/culpeper-microscope-in-pyramidal-box-with-trade-card-on-door</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/458/large_smg00024500.jpg</image:loc><image:title>Culpeper microscope in pyramidal box with trade card on door</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119086/box-for-jones-botanic-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/827/large_smg00026804.jpg</image:loc><image:title>Box for Jones botanic microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119085/viewer-consisting-of-two-glass-discs-to-hold-specimen</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/228/large_smg00072581.jpg</image:loc><image:title>Viewer, consisting of two glass discs to hold specimen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119043/black-paper-covered-deal-box-containing-eight-preparations-with-ivory-sliders</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/165/large_smg00026068.jpg</image:loc><image:title>Black paper covered deal box containing eight preparations with ivory sliders</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119285/culpeper-microscope-with-most-of-boxfoot-missing</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/486/large_smg00025102.jpg</image:loc><image:title>Culpeper microscope with most of boxfoot missing</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120096/wooden-box</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/98/large_smg00025075.jpg</image:loc><image:title>Wooden box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119083/gould-type-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/356/large_smg00025754.jpg</image:loc><image:title>Gould type microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119022/turntable-registered-design-by-hp-aylward</loc><lastmod>2026-01-12T21:02:13.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/726/large_smg00025217.jpg</image:loc><image:title>Turntable, registered design by H.P. Aylward</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120099/4-rectangular-glass-filters</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/102/large_smg00025082.jpg</image:loc><image:title>4 rectangular glass filters</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119283/compendium-flea-microscope</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/308/0/large_smg00023963.jpg</image:loc><image:title>Compendium flea microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120075/interference-phase-contrast-equipment-in-wooden-box</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/300/large_smg00024345.jpg</image:loc><image:title>Interference phase contrast equipment in wooden box</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119282/gould-type-microscope-in-case</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/305/380/large_smg00025779.jpg</image:loc><image:title>Gould-type microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119281/gould-type-microscope-on-the-pillar</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/381/large_smg00025666.jpg</image:loc><image:title>Gould-type microscope on the pillar</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co120076/monocular-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/311/421/large_smg00072520.jpg</image:loc><image:title>Monocular microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119091/case-for-folding-hand-microscope</loc><lastmod>2026-01-12T21:02:12.157Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/898/large_smg00023356.jpg</image:loc><image:title>Case for folding hand microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119098/crude-magnifier</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/307/936/large_smg00023406.jpg</image:loc><image:title>Crude magnifier</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119097/eyepiece-and-part-of-body-tube-from-microscope</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/874/large_smg00026991.jpg</image:loc><image:title>Eyepiece and part of body tube from microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119004/part-of-solar-microscope</loc><lastmod>2026-01-12T21:02:14.610Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/536/large_smg00027241.jpg</image:loc><image:title>Part of solar microscope</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119246/boxfoot-culpeper-microscope-by-gough-of-holborn</loc><lastmod>2026-01-12T21:02:14.610Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/451/large_smg00024492.jpg</image:loc><image:title>Boxfoot Culpeper microscope by Gough of Holborn</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119003/microscope-with-vacuum-chamber-for-specimen</loc><lastmod>2026-01-12T21:02:14.610Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/373/large_smg00024041.jpg</image:loc><image:title>Microscope with vacuum chamber for specimen</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119080/botanic-microscope-after-withering-mark-1</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/842/large_smg00026902.jpg</image:loc><image:title>Botanic microscope after Withering mark 1</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119035/solar-microscope-with-rack-barrel-objective</loc><lastmod>2026-01-12T21:02:13.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/552/large_smg00027258.jpg</image:loc><image:title>Solar microscope with rack barrel objective</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119056/oil-microscope-lamp-in-travelling-case-by-f-walters-and-co</loc><lastmod>2026-01-12T21:02:13.858Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/313/539/large_smg00027210.jpg</image:loc><image:title>Oil microscope lamp in travelling case by F. Walters and Co.</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119079/withering-botanic-microscope-mark-1</loc><lastmod>2026-01-12T21:02:13.509Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/304/843/large_smg00026903.jpg</image:loc><image:title>Withering botanic microscope (mark 1)</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119034/unsigned-french-solar-microscope-in-case</loc><lastmod>2026-01-12T21:02:13.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/315/508/large_smg00025293.jpg</image:loc><image:title>Unsigned French solar microscope in case</image:title></image:image></url><url><loc>https://collection.sciencemuseumgroup.org.uk/objects/co119276/botanic-microscope</loc><lastmod>2026-01-12T21:02:13.989Z</lastmod><image:image><image:loc>https://coimages.sciencemuseumgroup.org.uk/309/450/large_smg00025620.jpg</image:loc><image:title>Botanic microscope</image:title></image:image></url></urlset>