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Edison Class M first dictaphone 1891 | by Phono Museum Paris
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Edison Class M first dictaphone 1891

- Edison Class M électrique à courant continu, Edison, USA, 1891. Conçu à l'origine comme Dictaphone.

 

- Edison Direct current electrically powered Class M phonograph. (Thomas Edison, USA 1891). Was originally marketed as a business machine.

 

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Taken on February 11, 2016