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1 янв 1897 г. - Cathode Ray Tube 1897

Описание:

A vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.

Добавлено на ленту времени:

Timeline of an Atom

ByJanice Sorto
23 окт 2018

Дата:

1 янв 1897 г.
Сейчас
~ 127 г назад
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