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25 mar 1857 ano - Phonautograph was patented.

Descrição:

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.

Adicionado na linha do tempo:

Music Technology

ByReece
23 jan 2018
0
0
674

Data:

25 mar 1857 ano
Agora
~ 168 years ago

Imagens:

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