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Hickok Micromho Model 6000 A mutual conductance Tube-Tester:
$150.00
I have a Hickok Microhomo Model 6000 A mutual conductance tube tester, don\'t know much about it but I did plug it in and the needle moved up, then turned it off and it went back down purchased at estate sale, selling as is no returns. PayPal or cash, cash preferred