Upon the Production of Sound by Radiant Energy Upon the Production of Sound by Radiant Energy

Upon the Production of Sound by Radiant Energy

Alexander Graham Bell
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This paper was written by Alexander Graham Bell and read before the National Academy of Science on April 21, 1881. It expounds on what Bell believed to be his greatest invention, the photophone. A wireless telephone, the photophone transmitted sound on a beam of light.

GENRE
Wetenschap en natuur
UITGEGEVEN
2013
21 oktober
TAAL
EN
Engels
LENGTE
39
Pagina's
UITGEVER
BiblioLife
GROOTTE
5,8
MB

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