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jan 5, 1897 - Cathode Ray Tube (1897)

Description:

The Cathode Ray Tube is a vacuum tube containing an electron gun and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen.

Added to timeline:

13 Oct 2017
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Date:

jan 5, 1897
Now
~ 128 years ago