Alexander Graham Bell
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'Alexander Graham Bell' - 1 News Result(s)
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Alexander Graham Bell speaks, and 2013 hears his voice
Nine years after he placed the first telephone call, Alexander Graham Bell tried another experiment: he recorded his voice on a wax-covered cardboard disc on April 15, 1885, and gave it an audio signature: "Hear my voice - Alexander Graham Bell."
'Alexander Graham Bell' - 1 News Result(s)
-
Alexander Graham Bell speaks, and 2013 hears his voice
Nine years after he placed the first telephone call, Alexander Graham Bell tried another experiment: he recorded his voice on a wax-covered cardboard disc on April 15, 1885, and gave it an audio signature: "Hear my voice - Alexander Graham Bell."
