Interesting
links
Ake Holm :
excellent site about CRT and other tubes
Frank Philipse : site with
many tube and CRT datasheets
Tubepedia :
photos and comments about CRT and electron tubes
Tom Jennings : site
with electron tubes and CRT manual original
copies
Duncan amps : Electron
tube and CRT data search engine
Nostalgia air :
Another search engine
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