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5 авг 1816 г. - First Major Electrical Engineering Begins

Описание:

Francis Ronalds develops the first electrical telegraph but is rejected by the wider community.

Elements of his plans would be used twenty years later in the first commerically sucesfull telegaph.

Добавлено на ленту времени:

4 мес назад
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Дата:

5 авг 1816 г.
Сейчас
~ 209 г назад