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25 mar 1857 año - Phonautograph was patented.

Descripción:

A phonautograph is one of the earliest known ways of recording sound. The device was first patented on the 25th of March, 1857. It drew on glass as it received sound. These drawings were the first visual representation of sound.

Añadido al timeline:

Music Technology

ByReece
23 ene 2018
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fecha:

25 mar 1857 año
Ahora mismo
~ 168 years ago

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