Thomas Edison with Ediphone dictating machine

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  • Description
Date
1907 ca.
Copyright Owner
© Bettman / Corbis
Object ID
500004582

Thomas Edison's Ediphone was like a drum memory for sound. It had a tube to speak in and the voice vibrations would be recorded on a wax cylinder. A secretary would then type up the recording and shave the used layer of the cylinder so it could be reused.