Mechanical TV, 機械式電視

Google Doodle, 90th Anniversary of the first mechanical TV demonstration

機械式電視誕生 90週年

90th Anniversary of the first mechanical TV demonstration
https://www.google.com/doodles/90th-anniversary-of-the-first-mechanical-tv-demonstration

Orrin Dunlap, Jr.
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File:John Logie Baird and Stooky Bill.png - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/File:John_Logie_Baird_and_Stooky_Bill.png

Peter Schmalenbach
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File:Mechanical Television with LED Strips.jpg - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/File:Mechanical_Television_with_LED_Strips.jpg

Mechanical television - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Mechanical_television
History of television - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/History_of_television
電視史 - 維基百科，自由的百科全書
http://zh.wikipedia.org/wiki/%E7%94%B5%E8%A7%86%E5%8F%B2
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