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Donald

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Link: #392

Donald
Researchers working with the Smithsonian museum in the US use optical technology to allow us to hear the voice of Alexander Graham Bell for the first ever time.
We Had No Idea What Alexander Graham Bell Sounded Like. Until Now
www.smithsonianmag.com
This wax-and-cardboard disc from 1885 contains a recording of Bell's voice. (Richard Strauss / NMAH, SI) Photo Gallery (1/2) Video Gallery Audio Gallery Audio of the famous inventor speaking was disco...
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