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jan 1, 1897 - Cathode Ray Tube

Description:

A Cathode Ray tube is a vacuum that contains a phosphorescent screen and at least one electron gun. One of the earliest ray tubes was invented by Ferdinand Braun in 1897 when it gained a nickname: Braun Tube.

Added to timeline:

2 months ago
0
0
33
Development and Discovery of Atomic Theory, the Periodic Table, and Radiation
Kelsey West

Date:

jan 1, 1897
Now
~ 122 years ago

Images:

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