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mar 25, 1857 - First phonoautograph was made

Description:

Edouard-Leon Scott de Martinville invented the earliest known sound recording device which was patented in France March 25 1857. The device could record by using a needle to scratch "sound" into a cylinder and then was played back out of the horn/ speaker.

Added to timeline:

Date:

mar 25, 1857
Now
~ 169 years ago

Images: