::hi. have a signal corps. 1-77A, im wondering what is this funny looking tube socket? its labled M five pin. the socket is broken. is it nessary? also when i set the tester up to test a 01A tube the short light stays on. any ideas would be great. thank you
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:never mind. pulled it apart some one butherd the thing to beyond repair.
:
Do you want to sell it?
Johnnysan-