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28 апр 1800 г. - The first functional light bulb

Описание:

The first electronics appeared in the 19th century, with the introduction of the electric relay and the first functional light bulb in 1878.

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Evolution Timeline

ByDalynn Paredes

27 окт 2017

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664

Дата:

28 апр 1800 г.

Сейчас

~ 225 г назад

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