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1 янв 1867 г. - Microphone

Описание:

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

Добавлено на ленту времени:

Michael & Logan

ByLogan Wingate

1 мес назад

1

0

53

Дата:

1 янв 1867 г.

Сейчас

~ 157 г назад

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