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1 janv. 1857 - Phonautograph

Description:

In 1857, the Phonautograph was invented. The Phonautograph is the earlies known device for recording sound. It was invented by Édouard-Léon Scott de Martinville who used it in an experiment so that he could see sound.

Ajouté au bande de temps:

Date:

1 janv. 1857
Maintenaint
~ Il y a 168 ans

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