(1) Tested Very Strong Duovac DX 112-A Tube (12A Tube).
Silver bullseye plate with a not often seen saturn getter.
Globe/balloon envelope with the original label still perfectly intact.
Tests well above NOS.
Tested on a calibrated Hickok TV-10 military tube tester with no shorts and no leaks with the following results:
Gm Test = 1700 micromhos
Minimum pass/good = 1040
Average NOS rating = 1600
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