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24 окт 1897 г. - cathode ray tube

Описание:

used to discover the existence of electrons in 1897.

Добавлено на ленту времени:

Chemistry project -tyler, wilmer, jeremy

ByTyler Gill
13 окт 2017
0
0
407

Дата:

24 окт 1897 г.
Сейчас
~ 126 г назад
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