WASHINGTON (Reuters) - 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 ...
CC0 Usage Conditions ApplyClick for more information. https://insider.si.edu/2013/04/hear-my-voice-smithsonian-identifies-130-year-old-recording-as-alexander-graham ...
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