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November 1, 2025
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1 янв 1876 г. - Telephone

Описание:

During the 1870's, two well known inventors both independently designed devices that could transmit sound along electrical cables. Those inventors were Alexander Graham Bell and Elisha Gray.

Exposure: Modern telephone models used for calling loved ones ad friends.

Добавлено на ленту времени:

17 дек 2018
0
0
742

Дата:

1 янв 1876 г.
Сейчас
~ 149 г назад

Изображения: