User contributions for Ccarlsson

18:5518:55, 4 March 2021 diff hist 0 N File:FritzPfleumer 1931 magnetic tape machine.jpg No edit summary current
18:5318:53, 4 March 2021 diff hist +62 Philo Farnsworth and the Invention of Electronic Television No edit summary
18:5318:53, 4 March 2021 diff hist +144 Television invented in San Francisco!? added link and fixed formatting
18:4718:47, 4 March 2021 diff hist +8,349 N Philo Farnsworth and the Invention of Electronic Television Created page with "''' Historical Essay ''' ''by Tim J. Sturgeon'' ''Originally written as a Masters Thesis, this..."
18:4718:47, 4 March 2021 diff hist +38 H&K and Eimac; an Indigenous Vacuum Tube Industry Emerges No edit summary
18:4218:42, 4 March 2021 diff hist 0 N File:AFTER-~1.JPG No edit summary current
18:3818:38, 4 March 2021 diff hist 0 N File:Farnsworth-with-television-transmitter-in-1927,-part-of-a-patent-application Perham-Collection-of-Early-Electronics,-History-San-Jose,-2003-1-1311.jpg No edit summary current
18:3718:37, 4 March 2021 diff hist 0 H&K and Eimac; an Indigenous Vacuum Tube Industry Emerges No edit summary
18:2918:29, 4 March 2021 diff hist +20,537 N H&K and Eimac; an Indigenous Vacuum Tube Industry Emerges Created page with "''' Historical Essay ''' ''by Tim J. Sturgeon'' ''Originally written as a Masters Thesis, this..."
18:2818:28, 4 March 2021 diff hist 0 N File:Boeing us mail plane.jpg No edit summary current
18:1618:16, 4 March 2021 diff hist +2,193 Federal Telegraph Spin-offs and Research Projects, 1910-1932 No edit summary
18:1218:12, 4 March 2021 diff hist 0 N File:Hk2.jpg No edit summary current
18:1018:10, 4 March 2021 diff hist 0 N File:H&K logo Scientific B.jpg No edit summary current
18:0418:04, 4 March 2021 diff hist 0 N File:HK dollar reference.jpg No edit summary current
00:0000:00, 4 March 2021 diff hist +20,053 N Federal Telegraph Spin-offs and Research Projects, 1910-1932 Created page with "''' Historical Essay ''' ''by Tim J. Sturgeon'' ''Originally written as a Masters Thesis, this..."

23:5623:56, 3 March 2021 diff hist 0 N File:Victor-RCA-radio-set-1920s.jpg No edit summary current
23:3823:38, 3 March 2021 diff hist 0 N File:De-Forest-System-Responder-1903.jpg No edit summary current
23:2223:22, 3 March 2021 diff hist 0 N File:De-forest-audion-radio-FTC-640x361.jpg No edit summary current
23:2023:20, 3 March 2021 diff hist 0 N File:Sonora Radiola 242-to2.jpg No edit summary current
23:1923:19, 3 March 2021 diff hist 0 N File:Magnavox-logo.jpg No edit summary current
22:5522:55, 3 March 2021 diff hist +37 Wildflowers added category current
22:5422:54, 3 March 2021 diff hist +37 THE S.F. GARTER SNAKE added category current
22:5422:54, 3 March 2021 diff hist +90 The Origins of Bay Area Transportation, or Do You Know the Way to San Jose? formatting and added category current
22:4722:47, 3 March 2021 diff hist +37 The First Grab added category
22:4622:46, 3 March 2021 diff hist +37 Sunol and Crystal Springs added category
22:4622:46, 3 March 2021 diff hist +37 Spring Valley Water Company added category current
22:4522:45, 3 March 2021 diff hist +37 South San Francisco Hillside Sign added category current
22:4422:44, 3 March 2021 diff hist +37 Sierra Point: From Dump to Office Park added category current
22:4422:44, 3 March 2021 diff hist +37 Shellmound at San Bruno Mountain added category
22:4322:43, 3 March 2021 diff hist +37 SF's Southern Edge No edit summary
22:4322:43, 3 March 2021 diff hist +37 Satellite and Aerial Views added category current
22:4222:42, 3 March 2021 diff hist +37 San Francisco Airport added category
22:4222:42, 3 March 2021 diff hist +37 SAN BRUNO MOUNTAIN WATCH added category current
22:4122:41, 3 March 2021 diff hist +37 San Bruno Mountain No edit summary current
22:4122:41, 3 March 2021 diff hist +146 PENINSULA TOUR FOR CITY WHEELMEN added links current
22:3922:39, 3 March 2021 diff hist +23 A Jail that Became a College added category current
22:3522:35, 3 March 2021 diff hist +38 Mills Field No edit summary
22:3522:35, 3 March 2021 diff hist +38 Interurban Streetcars South No edit summary current
22:3522:35, 3 March 2021 diff hist +38 Habitat Conservation Plan Compromises Survival of Native Species No edit summary
22:3422:34, 3 March 2021 diff hist +38 Franciscan Country: Barren or Beautiful? No edit summary current
22:3322:33, 3 March 2021 diff hist +37 Dead City: Colma Where San Franciscans go to Die No edit summary current
19:5919:59, 3 March 2021 diff hist +37 BART to SFO, Caltrain to Downtown: How One Happened and the Other Didn’t No edit summary
19:5519:55, 3 March 2021 diff hist +484 N Category:South Bay and Peninsula Created page with "Image:Valley-of-Hearts-Delight wikimedia-commons.jpg '''The Valley of Heart's Delight, what Silicon Valley was once known as, long before industrialization and suburbaniz..."
19:4819:48, 3 March 2021 diff hist +2,515 Navy Contracts and Expansion at Federal During World War I No edit summary
19:4019:40, 3 March 2021 diff hist +30,771 N Navy Contracts and Expansion at Federal During World War I Created page with "''' Historical Essay ''' ''by Tim J. Sturgeon'' ''Originally written as a Masters Thesis, this..."
19:3919:39, 3 March 2021 diff hist 0 N File:Federal-telegraph-company-model-61-radio-receiver.jpg No edit summary current
19:3619:36, 3 March 2021 diff hist +482 Incipient Electronics 1899 -1909 No edit summary
19:3119:31, 3 March 2021 diff hist 0 N File:Federal-Telegraph-Companys-Palo-Alto-factory-constructed-in-1916-to-keep-up-with-the.png No edit summary current
19:2719:27, 3 March 2021 diff hist 0 N File:Doug-Perham-(at-right)-with-fellow-technician-C.-Albertus-of-Denmark-on-Federals-factory-floor-in-1909 Perham-Collection-of-Early-Electronics,-History-San-Jose,-2003-37-168.jpg No edit summary current
19:2119:21, 3 March 2021 diff hist 0 N File:Federal-Telegraph-Companys-engineering-staff,-Palo-Alto,-ca.-1917.-Behind-them-is-the-first-of-six-500-kilowatt-arcs-built-for-the-US-Navy.jpg No edit summary current

User contributions for Ccarlsson

4 March 2021

3 March 2021