Frank's Electron tube Pages Frank's Electron tube Pages
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  Last update: 2020-02-03  
About this Website
History & Recent additions
Links to other sites
Thanks to ...
Tube Number Systems
Tube Bases
American Substitutes for Foreign Types
Foreign Substitutes for American Types
About me
Supplemental stuff
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the electron Tube Data sheets
The flags correspond with the location of the mirror site.
Please let me know if you find errors in my pages or documents.
Some old URLs don't work anymore...
Please use or link to toupd.icu.
More mirrors are welcome! Data is over 30GB though...
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