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1 janv. 1867 - Microphone

Description:

It was able to transform sound into electrical signals. It was made by Alexander Graham Bell.

Ajouté au bande de temps:

Michael & Logan

ByLogan Wingate

il y a 2 mois

1

0

56

Date:

1 janv. 1867

Maintenaint

~ Il y a 157 ans

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