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5 gen 1897 anni - Cathode Ray Tube (1897)

Descrizione:

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.

Aggiunto al nastro di tempo:

13 ott 2017
0
0
560

Data:

5 gen 1897 anni
Adesso
~ 128 years ago