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Royal Mail Steamship Britannia John Hewitt, Commander, leaving her dock at East Boston on the 3rd of February 1844 on her voyage to Liverpool (through) a canal cut in the ice 7 miles long and 100 feet wide...</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2023/01/the_steamer_great_western.jpg</image:loc><image:title>A7626</image:title><image:caption>The Steamer Great Western. H.R. Robinson. PAH8859</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2023/01/783px-dionysius_lardner.jpg</image:loc><image:title>783px-dionysius_lardner</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2023/01/bristol_temple_meads_railway_station_train-shed_engraving.jpg</image:loc><image:title>The Great Western Railway</image:title><image:caption>The Great Western Railway</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2023/01/robert_howlett_isambard_kingdom_brunel_standing_before_the_launching_chains_of_the_great_eastern_the_metropolitan_museum_of_art_-_restoration1.jpg</image:loc><image:title>robert_howlett_isambard_kingdom_brunel_standing_before_the_launching_chains_of_the_great_eastern_the_metropolitan_museum_of_art_-_restoration1</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2023/01/diagram_of_ss_savannah.jpg</image:loc><image:title>diagram_of_ss_savannah</image:title></image:image><lastmod>2023-05-06T12:27:45+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2022/11/28/the-rail-revolution/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/liverpool-and-manchester-railway.jpg</image:loc><image:title>liverpool-and-manchester-railway</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/view_of_the_railway_across_chat_moss_from_burys_liverpool_and_manchester_railway_1831.jpg</image:loc><image:title>View_of_the_Railway_across_Chat_Moss,_from_Bury's_Liverpool_and_Manchester_Railway,_1831</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/stephensons_rocket_-_colour_side_elevation_drawing.jpg</image:loc><image:title>Stephenson's_Rocket_--_colour_side_elevation_drawing</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/birkinshaws-patent-railway-cross-sections.png</image:loc><image:title>birkinshaws-patent-railway-cross-sections</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/stephenson-killingworth-locomotive.jpg</image:loc><image:title>Stephenson Killingworth locomotive</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/eight-wheeled-wylam-locomotive-design.jpg</image:loc><image:title>Eight-wheeled Wylam locomotive design</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/11/blenkinsops_rack_locomotive_1812_british_railway_locomotives_1803-1853.jpg</image:loc><image:title>Blenkinsop's_rack_locomotive,_1812_(British_Railway_Locomotives_1803-1853)</image:title></image:image><lastmod>2022-11-29T13:38:32+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2022/10/29/high-pressure-part-2-the-first-steam-railway/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/catch_me_who_can-1.jpg</image:loc><image:title>catch_me_who_can</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/catch_me_who_can.jpg</image:loc><image:title>catch_me_who_can</image:title><image:caption>Trevithick's portable steam engine of 1808, "Catch me who can"</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/164_book.jpg</image:loc><image:title>164_book</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/1024px-43_037_nameplate.jpg</image:loc><image:title>1024px-43_037_nameplate</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/replica-penydarren.png</image:loc><image:title>replica-penydarren</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/thinktank_birmingham_-_object_1951s00088.000081.jpg</image:loc><image:title>Murdock Trial Model of a Steam Road Locomotive</image:title><image:caption>Editing Undertaken: Levels, Unsharp Mask</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/joseph_cugnots_1770_fardier_a_vapeur_musee_des_arts_et_metiers_paris_2015.jpg</image:loc><image:title>joseph_cugnots_1770_fardier_a_vapeur_musee_des_arts_et_metiers_paris_2015</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/1806-trevithick-stationary-steam-engine-without-flywheel.png</image:loc><image:title>1806-trevithick-stationary-steam-engine-without-flywheel</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/dolcoath-copper-mine-1831.jpg</image:loc><image:title>Dolcoath Copper Mine,</image:title><image:caption>The Dolcoath Copper Mine, Camborne, Cornwall, circa 1831. (Photo by Hulton Archive/Getty Images)</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/10/richard_trevithick_portrait.jpg</image:loc><image:title>Linnell, John, 1792-1882; Richard Trevithick (1771-1833)</image:title><image:caption>Linnell, John; Richard Trevithick (1771-1833); Science Museum, London ; http://www.artuk.org/artworks/richard-trevithick-17711833-179865</image:caption></image:image><lastmod>2022-10-30T15:57:08+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2022/09/13/high-pressure-part-i-the-western-steamboat/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/2560px-_the_levee_at_st._louis_missouri.-photographed_by_r._benecke_st._louis._.jpg</image:loc><image:title>2560px-_The_Levee_at_St._Louis,_Missouri.-Photographed_by_R._Benecke,_St._Louis._</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/first_boat_built_on_the_western_waters_1812.jpg</image:loc><image:title>first_boat_built_on_the_western_waters_1812</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/oliver_evans_-_automated_mill.jpg</image:loc><image:title>oliver_evans_-_automated_mill</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/loc_evans_steam_engine.jpg</image:loc><image:title>loc_evans_steam_engine</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/currierivesleeneworleansupgradefornori.jpg</image:loc><image:title>currierivesleeneworleansupgradefornori</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/look_out__transport_steamer_on_tennessee_river_-_nara_-_5289791_restored.jpg</image:loc><image:title>Landscape</image:title><image:caption>Landscape</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/09/henry-miller-shreve-portrait.jpg</image:loc><image:title>henry-miller-shreve-portrait</image:title></image:image><lastmod>2022-10-20T16:46:28+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2022/04/19/the-steamboat-inventors-the-second-generation/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/04/fulton.jpg</image:loc><image:title>fulton</image:title></image:image><lastmod>2022-09-02T01:59:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2022/03/18/the-steamboat-inventors-the-first-generation/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2022/03/jouffroy-steamboat.jpg</image:loc><image:title>jouffroy steamboat</image:title></image:image><lastmod>2022-05-10T03:54:44+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/10/18/age-of-steam-hiatus/</loc><lastmod>2021-10-21T12:33:25+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/10/10/the-steam-revolution/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/10/cottonopolis_manchester_from_kersal_moor_william_wylde_1857.jpg</image:loc><image:title>cottonopolis_Manchester_from_Kersal_Moor_William_Wylde_(1857)</image:title></image:image><lastmod>2021-10-14T04:08:36+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/02/18/the-age-of-steam-introduction/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/02/corliss_steam_engine_1876_0.jpg</image:loc><image:title>01B4UBFG</image:title><image:caption>01B4UBFG President Ulysses Grant and Emperor Pedro II of Brazil, starting the Corliss steam engine in the Machinery Hall, the American Centennial Exhibition, Philadelphia, United States of America, illustr...</image:caption></image:image><lastmod>2021-10-12T01:22:22+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/03/11/the-weight-of-the-air/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/03/puy-de-dome-barometer.jpg</image:loc><image:title>Air pressure experiment, 1648</image:title><image:caption>Air pressure experiment. Illustration of Florin Perier in September 1648, on the request of his brother-in-law French physicist Blaise Pascal, measuring the air pressure as he ascends the Puy de Dome volcanic mountain in France (elevation: 1464 metres). He is using an early barometer invented by the Italian physicist Evangelista Torricelli in 1643. The column of mercury in the sealed glass tube fell in height during the ascent. This proved that air has weight. Artwork from 'Chaudieres et Machines a Vapeur' (1911) by French civil engineer Max de Nansouty (1854-1913), part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.</image:caption></image:image><lastmod>2021-10-12T01:22:07+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/05/05/the-pumping-engine/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/05/70-newcomen-engine700x620.jpg</image:loc><image:title>70-newcomen-engine700x620</image:title></image:image><lastmod>2021-10-12T01:21:50+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/07/13/the-triumvirate-coal-iron-and-steam/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/07/collier_george_walker_1814.jpg</image:loc><image:title>1935-505</image:title><image:caption>Print. [The Collier] / G. Walker Del. ; Engraved by R &amp; D Havell. - Publish'd by Robinson &amp; Son, Leeds, Augt 1 1813. - Aquatint, col.; image 19.8x29.8cm, sheet 25.5x34.5cm. - 'Plate 3' from: The Costume of Yorkshire, 1814. - Depicts Blenkinsop's locomotive on the Middleton - Leeds Railway, pulling coal wagons from the colliery on the hill; in foreground, a collier, smoking clay pipe, carrying pannier.  Copywork.</image:caption></image:image><lastmod>2024-04-20T17:10:17+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/08/22/james-watt-instrument-maker/</loc><lastmod>2021-10-12T01:21:10+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2021/05/22/the-switch-now-in-book-form/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/05/theswitch_ebookcover_small.jpg</image:loc><image:title>TheSwitch_ebookcover_small</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2021/05/theswitch_ebookcover.jpg</image:loc><image:title>TheSwitch_ebookcover</image:title></image:image><lastmod>2021-05-24T09:07:48+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2017/01/09/the-entrepreneurs/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/steinheil-code.jpg</image:loc><image:title>steinheil-code</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/guass-telegraph.png</image:loc><image:title>guass-telegraph</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/steinheils-receiver.jpg</image:loc><image:title>steinheils-receiver</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/gauss-weber-telegraph.jpg</image:loc><image:title>Modell des Induktionstelegrafen</image:title><image:caption>Modell des Induktionstelegrafen</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/vail-receiver.jpg</image:loc><image:title>vail-receiver</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/vail-key.jpg</image:loc><image:title>vail-key</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/telegraph_sounder.jpg</image:loc><image:title>telegraph_sounder</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/01/morse-port-rule-and-stretcher.jpg</image:loc><image:title>morse-port-rule-and-stretcher</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/opening_liverpool_and_manchester_railway.jpg</image:loc><image:title>opening_liverpool_and_manchester_railway</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/key-and-sounder.jpg</image:loc><image:title>key-and-sounder</image:title></image:image><lastmod>2021-05-07T03:03:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/about/</loc><lastmod>2021-03-12T18:01:48+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://technicshistory.com/2019/01/24/extending-interactivity/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/01/500004817-03-01.jpg</image:loc><image:title>500004817-03-01</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/01/ctss-schedule.png</image:loc><image:title>ctss schedule</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/01/jcl5.jpg</image:loc><image:title>jcl5</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/01/corbato.jpg</image:loc><image:title>corbato</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/01/1024px-ibm2741.jpg</image:loc><image:title>1024px-ibm2741</image:title></image:image><lastmod>2024-02-26T01:02:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2020/10/22/internet-ascendant-part-2-going-private-and-going-public/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/10/newnsfnetarchitecture.jpg</image:loc><image:title>newnsfnetarchitecture</image:title></image:image><lastmod>2020-11-13T03:54:04+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2020/11/13/the-backbone-conclusion/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/11/1280px-google_mayes_county_p0004974a.jpg</image:loc><image:title>1280px-google_mayes_county_p0004974a</image:title></image:image><lastmod>2020-11-28T03:59:24+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2020/09/01/internet-ascendant-part-1-exponential-growth/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/09/nsfnet-backbone-t1.png</image:loc><image:title>nsfnet-backbone-t1</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/08/nsfnet-traffic-visualization-1991.jpg</image:loc><image:title>nsfnet-traffic-visualization-1991</image:title></image:image><lastmod>2022-10-04T10:59:00+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2020/06/25/the-era-of-fragmentation-part-4-the-anarchists/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/06/tom_jennings.jpg</image:loc><image:title>tom_jennings</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/06/799px-hayes_300_baud_smartmodem_02.jpg</image:loc><image:title>799px-hayes_300_baud_smartmodem_02</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/06/truscott.jpg</image:loc><image:title>truscott</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/06/usenet1981.gif</image:loc><image:title>usenet1981</image:title></image:image><lastmod>2020-09-01T03:14:40+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2020/05/17/the-era-of-fragmentation-part-3-the-statists/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2020/05/minitel-terminal.jpeg</image:loc><image:title>minitel 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Henry, late 1840's</image:title><image:caption>original at</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/joseph_henry_electromagnet_closeup.jpg</image:loc><image:title>joseph_henry_electromagnet_closeup</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/sturgeon_electromagnet.png</image:loc><image:title>sturgeon_electromagnet</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/schweigger-multiplier.jpg</image:loc><image:title>schweigger-multiplier</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/voltas_pile_and_crown_of_cups-_wellcome_m0014526.jpg</image:loc><image:title>M0014526 Volta's pile and 'crown of cups'.</image:title><image:caption>M0014526 Volta's pile and 'crown of cups'.
Credit: Wellcome Library, London. Wellcome Images
images@wellcome.ac.uk
http://wellcomeimages.org
Volta's pile and 'crown of cups' from the Philosophical Transactions in which Volta's letter to Joseph Banks was published. The letter was dated 20 March 1800.
Philosophical Transactions
Published: 1800

Copyrighted work available under Creative Commons Attribution only licence CC BY 4.0 http://creativecommons.org/licenses/by/4.0/</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/luigi_galvani_experiment.jpeg</image:loc><image:title>This image was created during the Vail Access Project.</image:title><image:caption>This image was created during the Vail Access Project.</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/12/dissection_of_the_torpedo_fish_wellcome_l0006121ea.jpg</image:loc><image:title>L0006121EA Dissection of the torpedo fish</image:title><image:caption>L0006121EA Dissection of the torpedo fish
Credit: Wellcome Library, London. Wellcome Images
images@wellcome.ac.uk
http://wellcomeimages.org
Dissection of the torpedo fish:
Engraving
Anatomical Observation on the Torpedo Fish; Pages 481 - 189
Philosophical Transactions
Hunter, John
Published: 1773 - 1774

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Goeken</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/03/bill-mcgowan.jpg</image:loc><image:title>bill mcgowan</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/03/378px-carterfone_cradle_at_chm.agr_.png</image:loc><image:title>378px-carterfone_cradle_at_chm.agr_</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2019/02/102716113.01.01.lg_-e1551068739685.jpg</image:loc><image:title>102716113.01.01.lg_</image:title><image:caption>Bunker-Ramo Telequote III terminal. It could display information about requested stocks, as well as market summary data. </image:caption></image:image><lastmod>2019-03-27T00:46:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/12/13/discovering-interactivity/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/IBM_Electronic_Data_Processing_Machine_-_GPN-2000-001881.jpg</image:loc><image:title>IBM_Electronic_Data_Processing_Machine_-_GPN-2000-001881</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/IBM.CardComputing.19xx.102645445.lg_.jpg</image:loc><image:title>IBM.CardComputing.19xx.102645445.lg_</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/795px-grand_forks_sage_blockhouse.jpg</image:loc><image:title>795px-grand_forks_sage_blockhouse</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/28clark-obit-articlelarge.jpg</image:loc><image:title>28clark-obit-articlelarge</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/spacewar21-pdp-1-20070512.jpg</image:loc><image:title>spacewar21-pdp-1-20070512</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/44a898a5a8c56273dbed2c539020f454.jpg</image:loc><image:title>44a898a5a8c56273dbed2c539020f454</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/12/tx2.jpg</image:loc><image:title>tx2</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/11/sage_situation.jpg</image:loc><image:title>sage_situation</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/11/sage_console.jpg</image:loc><image:title>sage_console</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/11/500004501-03-01.jpg</image:loc><image:title>500004501-03-01</image:title></image:image><lastmod>2019-01-24T05:22:01+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2017/06/21/the-electronic-age/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/lee_de_forest.jpg</image:loc><image:title>lee_de_forest</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/filelee_de_forest.jpg</image:loc><image:title>filelee_de_forest</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/john_ambrose_fleming_1890.png</image:loc><image:title>john_ambrose_fleming_1890</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/lossy-page1-1024px-camden2c_new_jersey_-_radio-_rca_victor-_end_of_chassis_assembly_line_-_assembling_5-tube_radio_chassis-_-_nara_-_518700-tif.jpg</image:loc><image:title>lossy-page1-1024px-camden2c_new_jersey_-_radio-_rca_victor-_end_of_chassis_assembly_line_-_assembling_5-tube_radio_chassis-_-_nara_-_518700-tif</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/fleming_valves.jpg</image:loc><image:title>fleming_valves</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/elektronenroehren-auswahl.jpg</image:loc><image:title>elektronenroehren-auswahl</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/680px-edison_lightbulb_musc3a9e_des_lettres_et_manuscrits.jpg</image:loc><image:title>680px-edison_lightbulb_musc3a9e_des_lettres_et_manuscrits</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/06/triode_tube_1906.jpg</image:loc><image:title>triode_tube_1906</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2017/05/sp055a.jpg</image:loc><image:title>sp055a</image:title></image:image><lastmod>2019-01-03T21:58:58+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/07/22/one-system-universal-service/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/07/theodore_newton_vail_circa_1918_cropped.png</image:loc><image:title>theodore_newton_vail_circa_1918_cropped</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/07/1280px-microwave_tower_in_the_mojave_national_preserve2c_california_282879503179029.jpg</image:loc><image:title>1280px-microwave_tower_in_the_mojave_national_preserve2c_california_282879503179029</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/07/vitaphonedemo.jpg</image:loc><image:title>vitaphonedemo</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/07/at26t_micr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microwave relay</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/07/1280px-standard_oil_octopus_loc_color.jpg</image:loc><image:title>1280px-standard_oil_octopus_loc_color</image:title></image:image><lastmod>2018-09-26T19:18:11+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/09/19/the-unraveling-part-1/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/09/lossy-page1-1280px-thumbnail-tif.jpg</image:loc><image:title>lossy-page1-1280px-thumbnail-tif</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/09/bell_telephone_magazine_28192229_281477605643329.jpg</image:loc><image:title>bell_telephone_magazine_28192229_281477605643329</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/09/federal_communications_commission_1937_10_6.jpg</image:loc><image:title>federal_communications_commission_1937_10_6</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/08/511px-hush-a-phone_pedestal_model.jpg</image:loc><image:title>511px-hush-a-phone_pedestal_model</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/08/hush-a-phone_pedestal_model.jpg</image:loc><image:title>hush-a-phone_pedestal_model</image:title></image:image><lastmod>2018-12-06T15:41:55+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2016/11/13/about-techno-history/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/newcomen-engine.jpg</image:loc><image:title>newcomen-engine</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/firsttransistor.jpg</image:loc><image:title>firsttransistor</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/transistor.gif</image:loc><image:title>transistor</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/bacon-titlepage.jpg</image:loc><image:title>bacon-titlepage</image:title></image:image><lastmod>2023-07-20T00:41:43+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/06/13/the-backbone-introduction/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/06/f9mar1972.jpg</image:loc><image:title>f9mar1972</image:title></image:image><lastmod>2023-02-05T16:11:05+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2016/11/25/an-expeditious-method-of-conveying-intelligence/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/glibert-demonstration1.jpg</image:loc><image:title>Hunt, Arthur Ackland, 1841-1914; Dr William Gilberd Showing His Experiments on Electricity to Queen Elizabeth and Her Court</image:title><image:caption>Hunt, Arthur Ackland; Dr William Gilberd Showing His Experiments on Electricity to Queen Elizabeth and Her Court; Colchester and Ipswich Museum Service: Colchester Collection; http://www.artuk.org/artworks/dr-william-gilberd-showing-his-experiments-on-electricity-to-queen-elizabeth-and-her-court-2609</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/glibert-demonstration.jpg</image:loc><image:title>glibert-demonstration</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/electrified-boy1.jpg</image:loc><image:title>This image was created during the Vail Access Project.</image:title><image:caption>This image was created during the Vail Access Project.</image:caption></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/chappe-telegraph.jpg</image:loc><image:title>chappe-telegraph</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/lesage.jpg</image:loc><image:title>lesage</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/guericke_sulfur_globe.jpg</image:loc><image:title>guericke_sulfur_globe</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/leyden_jar_engraving.png</image:loc><image:title>leyden_jar_engraving</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2016/11/electrified-boy.jpg</image:loc><image:title>This image was created during the Vail Access Project.</image:title><image:caption>This image was created during the Vail Access Project.</image:caption></image:image><lastmod>2018-05-06T20:06:38+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/05/06/the-switch-introduction/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/05/paddingtonstation.jpg</image:loc><image:title>paddingtonstation</image:title></image:image><lastmod>2018-05-19T17:29:29+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/03/31/the-transistor-part-3-endless-reinvention/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/48-7-1_firstnytmention_of_transistor.jpg</image:loc><image:title>48-7-1_firstnytmention_of_transistor</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/svho2004-0620.jpg</image:loc><image:title>svho2004-0620</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/1960-2-1.jpg</image:loc><image:title>1960-2-1</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/500004320-03-01.jpg</image:loc><image:title>500004320-03-01</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/10-years-transistors-may-1958-radio-electronics-4.jpg</image:loc><image:title>10-years-transistors-may-1958-radio-electronics-4</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/shockley.jpg</image:loc><image:title>shockley</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/1024px-2009-09-27-4031-shockleysemiconductor.jpg</image:loc><image:title>1024px-2009-09-27-4031-shockleysemiconductor</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/03/shockleybldg.jpg</image:loc><image:title>shockleybldg</image:title></image:image><lastmod>2021-07-10T18:54:46+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/02/28/the-transistor-part-2-out-of-the-crucible/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/629px-silicon-unit-cell-3d-balls.png</image:loc><image:title>629px-silicon-unit-cell-3d-balls</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/transistor.gif</image:loc><image:title>transistor</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/xray.jpg</image:loc><image:title>xray</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/bardeen_shockley_brattain_1948.jpg</image:loc><image:title>bardeen_shockley_brattain_1948</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/bardeen.jpg</image:loc><image:title>bardeen</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/herbert_f-_matarc3a9_1950.png</image:loc><image:title>herbert_f-_matarc3a9_1950</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/officials_of_the_aas_in_1947.jpg</image:loc><image:title>officials_of_the_aas_in_1947</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/magnetron_cutaway_drawing.png</image:loc><image:title>magnetron_cutaway_drawing</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/hemou10-2358691-small.gif</image:loc><image:title>hemou10-2358691-small</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/02/radlab2-sm-469x370.gif</image:loc><image:title>radlab2-sm-469x370</image:title></image:image><lastmod>2018-04-10T13:19:31+00:00</lastmod><changefreq>monthly</changefreq></url><url><loc>https://technicshistory.com/2018/01/20/the-transistor-part-1-groping-in-the-dark/</loc><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/01/calcite-galena-elm56b.jpg</image:loc><image:title>calcite-galena-elm56b</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/01/brattain.jpg</image:loc><image:title>brattain</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/01/437px-ferdinand_braun.jpg</image:loc><image:title>437px-ferdinand_braun</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/01/catwhisker.jpg</image:loc><image:title>catwhisker</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-content/uploads/2018/01/imagebl71.jpg</image:loc><image:title>imagebl71</image:title></image:image><image:image><image:loc>https://technicshistory.com/wp-con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