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Tesla incominciò a tenere le prime conferenze pubbliche sulla trasmissione di energia tramite onde radio nel 1891 e nel 1893 pubblicò il primo progetto per trasmettere segnali e anche energia elettrica tramite onde radio.
326:== Summary == Original upload: http://peswiki.com/index.php/Image:TeslaWirelessPower1891.png The second upload: http://en.wikipedia.org/Image:TeslaWirelessPower1891.png == Licensing == {{PD-US}}
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