Category:History of radio

Subcategories

This category has the following 62 subcategories, out of 62 total.

Media in category "History of radio"

The following 139 files are in this category, out of 139 total.

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  00159 Oscillatore del Righi.jpg 5,184 × 3,456; 4.88 MB
  
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  1912 wireless law - new.png 1,699 × 305; 413 KB
  
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  1912 wireless law - old.png 1,697 × 310; 526 KB
  
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  1920 The Thompson Company advertisement.gif 220 × 406; 25 KB
  
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  2016-08-28 10 17 54 "Milestone in Radio History" historical marker at the south end of Cobb Island Road on Cobb Island, Charles County, Maryland.jpg 3,264 × 2,448; 3.54 MB
  
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  2LO.jpg 640 × 480; 41 KB
  
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  8XK KDKA.jpg 1,272 × 1,076; 606 KB
  
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  La Radio et ses publics.jpg 153 × 240; 26 KB
  
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  AMRE Front.jpg 3,504 × 2,336; 670 KB
  
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  Archivmitarbeiter im SWR Stuttgart 2007.jpg 2,304 × 3,456; 1.16 MB
  
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  Archivradio - Deutscher Herbst - Mai 2007.png 1,007 × 684; 74 KB
  
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  Archivradio - erstes Konzept - Dummy - 2005.png 1,056 × 855; 42 KB
  
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  Archivradio 9 11.jpg 3,456 × 2,304; 1.51 MB
  
• Autoalarm-Signal, 500 kHz.oga 1 min 9 s; 126 KB
  
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  BBC erschließt Tonmaterial der Reichs-Rundfunk-Gesellschaft 1930–32.jpg 1,400 × 1,612; 543 KB
  
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  BBC-Year Book 1931.jpg 2,231 × 3,000; 1.12 MB
  
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  Bell telephone magazine (1922) (14776278053).jpg 2,522 × 1,026; 401 KB
  
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  Blairstown-Station-1988.JPG 3,600 × 2,448; 701 KB
  
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  Blondel adjustable coherer tube (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg 475 × 310; 9 KB
  
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  Braun Radiant Energy US750429.png 746 × 1,118; 19 KB
  
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  Brockhaus-Efron Oscillation 2.jpg 216 × 220; 15 KB
  
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  By og Overfartsmuseet 06.JPG 2,560 × 1,920; 2.95 MB
  
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  CBCRadioOne.svg 512 × 45; 6 KB
  
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  Cfox1470.jpg 135 × 134; 9 KB
  
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  Coherer.jpg 244 × 166; 8 KB
  
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  Columbus Radio Centre - Sydenham branch, 435 Colombo St, Christchurch, NZ.jpg 1,800 × 1,136; 1.06 MB
  
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  Condensatore variabile di Marconi - Museo scienza tecnologia Milano D0033.jpg 800 × 637; 74 KB
  
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  Corn cob pipe catwhisker radio 1922 (cropped).png 207 × 343; 149 KB
  
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  Corn cob pipe catwhisker radio 1922.png 300 × 780; 337 KB
  
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  Crystal radio enthusiast.JPG 2,736 × 3,648; 2.2 MB
  
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  D 1957 Akkord Peggie.jpg 1,497 × 1,075; 406 KB
  
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  Danmarks Tekniske Museum - Radios.jpg 2,560 × 1,920; 2.74 MB
  
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  Deutsches Rundfunkarchiv in Potsdam 2007.jpg 3,456 × 2,304; 1.94 MB
  
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  Disaster LCCN98510123.jpg 2,832 × 4,096; 1.46 MB
  
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  Early coherer.png 283 × 323; 13 KB
  
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  Early wireless transmitter coupling circuits (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg 993 × 512; 22 KB
  
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  Edward Kellogg & Chester Rice with cone speaker 1925.jpg 935 × 603; 360 KB
  
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  Emerson Transistor II, Model 838, Hybrid Radio, Circa 1955, 3 Tubes & 2 Transistors (8461288301).jpg 4,542 × 2,995; 5.4 MB
  
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  Ernst Ruhmer radiotelephone transmitter circa 1905.jpg 664 × 498; 172 KB
  
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  Barbara Pietrzak, prelego SUS 34, 1.jpeg 2,400 × 2,400; 1.97 MB
  
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  Geschäftszimmer Stuttgarter Rundfunk 1924.jpg 2,988 × 2,917; 1.38 MB
  
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  Grahic history of radio frequency 1490AM WMRB.jpg 960 × 720; 121 KB
  
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  Hertz schematic0.PNG 425 × 275; 5 KB
  
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  Hertz Transmitter Receiver.svg 990 × 765; 35 KB
  
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  Historyofwklt.jpg 960 × 720; 70 KB
  
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  Inspectie team in de Tap-Line olie terminal nabij Saida Mr Jimmy Nobbel, Bestanddeelnr 255-6301.jpg 2,599 × 2,595; 830 KB
  
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  JohnStoneStone1910.png 350 × 440; 131 KB
  
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  JOQR memorial plate.jpg 3,024 × 4,032; 1.71 MB
  
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  Jose zubimendi.jpg 1,024 × 684; 304 KB
  
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  Karel Josef Capkovi radio.jpg 898 × 701; 808 KB
  
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  Kohaku1953.jpg 1,000 × 712; 300 KB
  
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  Krigshistorisk Festival 2018 - Regimentet 03.jpg 2,560 × 1,920; 2.85 MB
  
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  Lee Abrams.jpg 600 × 800; 450 KB
  
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  Les perspectives offertes par la TSF en 1919.jpg 1,890 × 2,249; 1.3 MB
  
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  Marconi coherer tube (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg 572 × 300; 8 KB
  
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  Melody Radio - Day 1.jpg 1,799 × 1,192; 1.79 MB
  
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  Mr. Alf Traeger transmitting by a pedal-powered wireless.jpg 1,000 × 1,140; 90 KB
  
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  Museum für Kommunikation Bern FFF 01486 Radiostudio Zürich-Höngg.tif 3,061 × 4,526; 39.66 MB
  
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  Oscillatore di Righi a quattro sfere - Museo scienza tecnologia Milano 09718.jpg 748 × 607; 83 KB
  
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  Oscillatore di Righi a quattro sfere - Museo scienza tecnologia Milano D0030.jpg 800 × 567; 85 KB
  
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  Oscillatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano 08757 1.jpg 800 × 664; 85 KB
  
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  Oscillatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano 08757.jpg 800 × 621; 61 KB
  
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  Oscillatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano D0139 1.jpg 800 × 675; 91 KB
  
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  Oscillatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano D0139.jpg 800 × 609; 86 KB
  
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  Philco Socket Power A & B Battery eliminators - 1925 August brochure.JPG 700 × 560; 304 KB
  
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  PioXI et Pacelliinaugurazioneradiovaticana.jpg 441 × 683; 39 KB
  
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  Popov's radiostation, 1901.jpg 1,470 × 2,250; 2.25 MB
  
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  Poskie radio samochod chevrolet.jpg 2,975 × 1,949; 2.69 MB
  
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  Post & Tele Museum 10.JPG 1,920 × 2,560; 2.12 MB
  
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  Post Office Engineers-colorized.jpg 1,024 × 707; 218 KB
  
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  Post Office Engineers.jpg 4,440 × 3,065; 1.76 MB
  
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  Poulsen tikker radio receiver circuit.png 581 × 482; 30 KB
  
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  Prototype Armstrong superheterodyne receiver 1920.jpg 1,462 × 596; 240 KB
  
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  PSM V63 D107 Lines of electric strain between positive and negative.png 718 × 526; 24 KB
  
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  PSM V63 D113 Distribution of electric pressure in a marconi aerial.png 488 × 680; 38 KB
  
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  PTT-Archiv T-00 A 3673 Aufrissskizze.tif 5,851 × 3,619; 61.22 MB
  
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  PTT-Archiv T-00 A 3673 Provisorische Konzession.tif 3,439 × 5,236; 52.16 MB
  
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  PTT-Archiv T-00 A 3673 Radiostation Universität Basel.tif 2,695 × 2,035; 16.33 MB
  
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  PTT-Archiv T-00 A 4679 Kredit Münchenbuchsee.jpg 3,247 × 4,733; 2.23 MB
  
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  PTT-Archiv T-00 A 5063 Radiogenossenschaft Bern Seite 1.jpg 3,333 × 4,694; 1.99 MB
  
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  PTT-Archiv T-00 A 5063 Radiogenossenschaft Bern Seite 2.jpg 3,341 × 4,688; 2.01 MB
  
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  PTT-Archiv T-00 A 5063 Radiogenossenschaft Bern Seite 3.jpg 3,339 × 4,669; 1.74 MB
  
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  PTT-Archiv Tele-052 A0006 1 Welschschweiz Seite 2.jpg 3,326 × 4,690; 1.85 MB
  
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  Radio "This is Europe" - DPLA - 4f654b267d678d06c9b27e3edef4af75.jpg 4,553 × 3,605; 3.95 MB
  
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  Radio "This is Europe" - DPLA - c1c17a24b7463ca99a665039579bcaa5.jpg 4,540 × 3,660; 2.78 MB
  
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  Radio (Paris After Dark) - DPLA - 1bcc52455b9e31992a27007b3e6d621b.jpg 3,624 × 4,609; 4.48 MB
  
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  Radio (This is Europe) - DPLA - 0a2665622f491f84ac23cc4ca4308a2a.jpg 3,681 × 4,641; 2.53 MB
  
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  Radio (This is Europe) - DPLA - 64995f201d495032f281e5e9d8dc8055.jpg 3,295 × 4,662; 4.44 MB
  
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  Radio (This is Europe) - DPLA - 8fc760618a997705bcc77f2504856795.jpg 4,486 × 3,442; 1.55 MB
  
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  Radio (This is Europe) - DPLA - c2ffc64af5a08a3ed7673fae92a06064.jpg 3,497 × 4,577; 1.61 MB
  
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  Radio (This is Europe) - DPLA - e7faa6d3f074efe48bfa488f6cf90325.jpg 4,621 × 3,719; 6.03 MB
  
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  Radio - DPLA - 247fd35e0197987190193ce2bf7b4c50.jpg 3,673 × 4,556; 1.81 MB
  
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  Radio - DPLA - 2e97d4c6b59f85711219117a57a9cedd.jpg 3,738 × 4,129; 1.41 MB
  
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  Radio - DPLA - 996e2ea3326e3dcffae33b237c4a6940.jpg 4,105 × 2,939; 1.18 MB
  
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  Radio - Program 1 - Switzerland - DPLA - c8ce1b2b8010fa61d98cddfc26db2368.jpg 5,032 × 4,011; 6.35 MB
  
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  Radio - Report from Europe - DPLA - 5ee335891a1b51328ef6b2af609b3673.jpg 4,504 × 3,566; 1.57 MB
  
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  Radio - School - DPLA - 4701dd85c9159aca984ccb87d33579a7.jpg 4,587 × 3,716; 2.29 MB
  
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  Radio - This is Europe , Series IX Program 2 - DPLA - 6ea5422c2fa9dd7ad42cb25bb4a38fc3.jpg 3,693 × 4,650; 7.28 MB
  
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  Radio - This is Free Europe, Series IV Program 17 - DPLA - 7f633f57f51726a78312c16fce8b6fb2.jpg 3,629 × 4,189; 4.81 MB
  
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  Radio equipment - Indiana State Museum - DSC00409.JPG 4,067 × 2,712; 3.37 MB
  
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  Radio long-wave transmitter Spez. 188 F - Zeppelin Museum Friedrichshafen - DSC06835.jpg 3,599 × 3,156; 4.14 MB
  
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  Radio receiver VLF, station E 365 S - Zeppelin Museum Friedrichshafen - DSC06832.jpg 4,320 × 3,240; 4.68 MB
  
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  Radio short-wave transmitter Spez. 188 F - Zeppelin Museum Friedrichshafen - DSC06837.jpg 4,017 × 3,027; 4.02 MB
  
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  Radio short-wave transmitter Spez. 188 F - Zeppelin Museum Friedrichshafen - DSC06839.jpg 4,320 × 3,240; 4.83 MB
  
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  Radio Show - This is Europe - DPLA - 4bd7a4ca6a66c85f186768b58682b506.jpg 3,751 × 5,557; 1.87 MB
  
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  Radio Show - This is Europe - Series IX, Program 1 - DPLA - df36be9b19341a7f6a0ba4be9f55edaf.jpg 3,702 × 4,575; 1.48 MB
  
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  Radio This is Europe - DPLA - 30fdcbfa62256b3304073e4436f82f45.jpg 3,858 × 3,967; 2.04 MB
  
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  Rich Rewards In Radio, A Promotional Booklet Published By The National Radio Institute (NRI) Of Washington, DC, A Message Of NRI President J.E. Smith, Copyright 1936 (24079091487).jpg 2,185 × 3,096; 1.84 MB
  
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  Rich Rewards In Radio, A Promotional Booklet Published By The National Radio Institute (NRI) Of Washington, DC, Copyright 1936 (25072787198).jpg 2,256 × 3,156; 2.77 MB
  
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  Rivelatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano 08758.jpg 800 × 1,035; 131 KB
  
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  Rivelatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano 09831 1.jpg 600 × 800; 91 KB
  
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  Rivelatore di Righi con riflettore parabolico - Museo scienza tecnologia Milano 09831.jpg 800 × 605; 70 KB
  
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  Rothblatt Founder Sirius.jpg 3,024 × 4,032; 1.98 MB
  
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  Royal 2000 and Trans-Oceanic Royal 1000.jpg 2,896 × 1,944; 1.34 MB
  
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  Rozgłośnie Polskiego Radia 1939.PNG 474 × 452; 38 KB
  
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  Somertonradiostation crop.jpg 503 × 301; 94 KB
  
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  Somertonradiostation.jpg 640 × 480; 90 KB
  
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  Spark gap transmitter bandwidth - 1.png 715 × 876; 119 KB
  
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  Spark gap transmitter bandwidth - 2.png 460 × 545; 46 KB
  
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  Spark gap transmitter bandwidth - 3.png 718 × 872; 114 KB
  
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  Spark gap transmitter bandwidth - A.png 722 × 863; 135 KB
  
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  Stamp Soviet Union 1972 CPA 4169.jpg 487 × 348; 55 KB
  
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  Stuttgarter Rundfunk Empfangskontrolle 1924.jpg 2,576 × 2,061; 943 KB
  
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  SWR-Dokumentar Dr. Georg Polster 2007.jpg 2,242 × 2,242; 1.16 MB
  
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  Szikraado.PNG 1,220 × 760; 6 KB
  
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  Süddeutscher Rundfunk 1924.jpg 2,800 × 3,892; 1.37 MB
  
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  The Wireless Age cover.png 626 × 878; 491 KB
  
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  Tonband SWR Archiv 2007.jpg 3,456 × 2,304; 1.31 MB
  
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  Tonbandsammlung des HWA.jpg 1,600 × 1,200; 1,006 KB
  
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  Trasmettitore di Augusto Righi.JPG 1,600 × 1,200; 525 KB
  
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  USPTOradio-gelo4.png 787 × 194; 15 KB
  
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  Vintage Clear Glass Vis-O-Glow Lightning Arrester, Mfg. by L.S. Brach Mfg. Corp., Newark, N.J., U.S.A., Circa 1920s (8562593046).jpg 4,478 × 2,571; 3.57 MB
  
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  Vintage Philco Transistor Radio, Model T7-126, Philco's First Transistor Radio, 1956 (8385113502).jpg 1,545 × 993; 485 KB
  
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  Vintage Regency Model TR-7 Transistor Radio, Made in the U.S.A., Available in Black or Ivory Plastic, Circa 1958 (9100560887).jpg 2,395 × 3,312; 3.09 MB
  
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  Wachsschallplatte – ca. 1925.jpg 4,604 × 3,069; 599 KB
  
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  Z.R. 3 in Amerika - Sonderblatt - Sondermeldung zum Rundfunkempfang - Dresdner Anzeiger - 15. Oktober 1924 - 10 Uhr 30 vormittags - Bild 001.jpg 7,087 × 5,315; 12.71 MB
  
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  Zenith Model 7G605 'Clipper' TransOceanic Radio, c. 1942 - National Electronics Museum - DSC00045.JPG 4,564 × 3,536; 8.58 MB
  
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  Вакуум-физикотехн лабор ЦРЛ 1930.jpg 1,378 × 984; 519 KB
  
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  テレビは日立 ラジオは日立 (5868352156).jpg 3,872 × 2,592; 2.26 MB