Jackson 637 Tube tester Info needed

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Zero Cool

Zero Cool

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Joined 2004
Just picked up an old 1950's Jackson 637 Tube Tester with a box of 1950's electronics magazines. Seems to be a rare model and i cant seem to find a manual or tube data for it. I tried the usual google, Bama etc.

Anyone know of a source for such information?? would be willing to pay a fair fee for a photo copy.


Zc
 
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