History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577





Fathers of vacuum tube / electron valves

LEE DEFOREST — https://www.youtube.com/watch?v=CnJ7mQ_Fo-8

EDWIN ARMSTRONG (super heterodyne) — https://duckduckgo.com/?q=vacuum+tube%2C+armstrong

REGINALD FESSENDEN — https://en.wikipedia.org/wiki/Reginald_Fessenden

First image created by CRT — Maltese Cross. Crookes member of Golden Dawn. Occult all wrapped up in this. One purpose was to contact dead.


ERIC DOLLARD talked about this years ago. FREEMAN FLY (occult youtuber) talked about this years before DOLLARD.

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