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jan 1, 1897 - Cathode Ray Tube

Description:

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.

Added to timeline:

timeline chem

ByKAILEY BOSTICK
1 Oct 2018
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Date:

jan 1, 1897
Now
~ 128 years ago
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