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The Invention Of The Telephone I THE INDUSTRIAL REVOLUTION
Key Facts In This Video
The telephone is responsible for the largest patent dispute in history. 00:11
The first telephone demonstration had the title: "On the reproduction of musical sounds to any distance through the medium of galvanic current." 03:24
When Alexander Graham Bell died in 1922, all the phones in North American were shut off for one minute in his honor. 06:59