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1 Jan 1867 Jahr - Microphone

Beschreibung:

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

Zugefügt zum Band der Zeit:

Michael & Logan

ByLogan Wingate

26 Tagen zuvor

Datum:

1 Jan 1867 Jahr

Jetzt

~ 157 years ago

Abbildungen:

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