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Dictaphone

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Biographie

(source : Wikipédia)

Dictaphone was an American company founded by Alexander Graham Bell that produced dictation machines. It is now a division of Nuance Communications, based in Burlington, Massachusetts.
Although the name "Dictaphone" is a trademark, it has become genericized as a means to refer to any dictation machine.
The Volta Laboratory was established by Alexander Graham Bell in Washington, D.C. in 1881. When the Laboratory's sound-recording inventions were sufficiently developed with the assistance of Charles Sumner Tainter and others, Bell and his... plus

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