Looking for 3RP1 / 3RP1A tube and info

[Eric Pierce]

Couple of questions:

1) Does anyone have a working 3RP1A (used in Heathkit SB-634 'scope)
that they could sell? (Yes I know they are available from other places
on the 'net)

2) Does anyone know the difference between a 3RP1 and 3RP1A. If the
former would work in place of the latter, I could use that instead.


Thanks

Eric VA3EP
www.thirdpla.net

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