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31 дек 1849 г. - Joseph Wilson Swan's carbonized paper filaments.

Описание:

English physicist named Joseph Wilson Swan created a “light bulb” by enclosing carbonized paper filaments in an evacuated glass bulb

Добавлено на ленту времени:

The Life Of A Lightbulb

By(STUDENT)Autumn Parham
20 фев 2018

Дата:

31 дек 1849 г.
Сейчас
~ 174 г назад

Изображения:

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