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Charles Sumner Tainter
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Charles Sumner Tainter
Charles Sumner Tainter
(April 25, 1854 – April 20, 1940) was an
American
scientific instrument maker, engineer and inventor, best known for his collaborations with
Alexander Graham Bell
,
Chichester Bell
, Alexander's father-in-law
Gardiner Hubbard
, and for his significant improvements to
Thomas Edison
's
phonograph
, resulting in the
Graphophone
, one version of which was the first
Dictaphone
.
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