The phone in the United States. In 1876 Alexander Bell, Scots engineer ham regulator by virtue of a contract, as a principle, the electric wave, and send signals along the power line from the phone to the barrel of the other phone.First Transatlantic Signal by Guglielmo Marconi invention scientist Italy. craft a radio telegram, the world's first and unsuccessful in pak RS 1902.First TV Broadcast Engineer Johnny Lo g Caledonian bed fabricated tv is the world's first people. When was 1927 in Scotland?
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