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1 gen 1867 anni - Microphone

Descrizione:

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

Aggiunto al nastro di tempo:

Michael & Logan

ByLogan Wingate

1 mesi fa

1

0

56

Data:

1 gen 1867 anni

Adesso

~ 157 years ago

Immagini:

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