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I have never looked for those but since I own old radio's I have radio's that use those too.


Is the problem the third lead or is it which lead is shorted to the wiper? If push came to shove could you not make a 3 lead work? I am asking not only for you but also for myself for future reference. My ancient Cybernet Chassis use those 2 lead style.


Good Luck! Happy Hunting!


P.S. Have you tried places that have a lot of vintage tube radio and tube amplifier customers??? Even if they do not have them they might be able to give you another lead on who might have them!