In Reply to: RE: Cathodes, Filaments in DHTs..... posted by Ed Sawyer on April 11, 2014 at 13:27:05:
Yes, of course I am aware of the original harp filament Ed, hard to source these days.
The largest cache was an estimation of George Fathauer, of Antique Electronic Supply. Not too bad a reference, he had some experience.
Jeff Medwin
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Follow Ups
- RE: Cathodes, Filaments in DHTs..... - drlowmu 14:10:07 04/14/14 (0)