Frank's Electron tube Pages
	Last update: 2021-12-12

	About this Website History & Recent additions Links to other sites Tube Number Systems Tube Bases American Substitutes for Foreign Types Foreign Substitutes for American Types Supplemental stuff
	Select one of these flags to go to 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 www.tubedata.info.

More mirrors are welcome! Data is about 50GB though...