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1 ene 1897 año - Cathode Ray Tube

Descripción:

The cathode ray tube was in first invented by Karl Ferdinand Braun. This invention was a scanning device that had a screen that would emit a visible light when struck by a beam of electrons.

Añadido al timeline:

timeline chem

ByKAILEY BOSTICK
1 oct 2018
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fecha:

1 ene 1897 año
Ahora mismo
~ 128 years ago
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