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1 Jan 1857 Jahr - Phonautograph

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Datum:

1 Jan 1857 Jahr
Jetzt
~ 168 years ago

Abbildungen:

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