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1 янв 1802 г. - Humphry Davy First electric light using carbon.

Описание:

He connected wires to his battery and a piece of carbon, the carbon glowed.

Добавлено на ленту времени:

history of light bulb

6 фев 2020

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222

Дата:

1 янв 1802 г.

Сейчас

~ 223 г назад

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