Frank's Electron tube Pages
Last update: 2024-01-10
About this Website
History & Recent additions
Links to other sites
Tube Number Systems
American Substitutes for Foreign Types
Foreign Substitutes for American Types
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electron Tube Data sheets
The flags correspond with the location of the mirror site.
Let me know if you find errors in my pages or documents.
Main domain name
More mirrors are welcome! Data is about 70GB though...