History of Cathode Ray Tubes with Kathy Joseph — EEVblog 1577
https://www.youtube.com/watch?v=CnJ7mQ_Fo-8 Book: “LIGHTNING TAMERS” 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 … Read more
