Alexander Graham Bell, the inventor of telephone system had also created a voice recording device, it was recently undiscover by latest technology.
Lawrence Berkeley National Laboratory Scientist Carl Haber shows a glass Graham Bell, Volta
Laboratory recording, from 1884, during a news conference at Library of Congress in Washington, Tuesday. Early sound recordings by
telephone inventor Alexander Graham Bell and others that had been packed way at the Smithsonian Institution for more than a century
were played publicly for the first time Tuesday using new technology.
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