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(1) Tested Cunningham Type 37 Tube Medium Mu Triode Vacuum Tube

(1) Tested Cunningham Type 37 Tube Medium Mu Triode Vacuum Tube

Tested and Guaranteed

$19.95 USD
$19.95 USD
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(1) Tested Cunningham Type 37 Tube.

The wording on the base is faded but still legible.

This tube tests above NOS specs.

Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:

Test Result = 1125 micromhos
Minimum pass/good = 570
NOS Target Value = 855

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