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3 сент 1837 г. - Morse Code Invented

Описание:

A method of sending messages through series of electronic pulses designed to work with the telegraph.

Добавлено на ленту времени:

American History

22 сен 2017

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707

Дата:

3 сент 1837 г.

Сейчас

~ 188 г назад

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