(1) Tested GE 6SL7GT Tube.
Date Code 2-09.

Gray rounded 4 hole plates with a bottom D foil getter.

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

Gm Test = 1500-2000 micromhos
Minimum pass/good = 1000-1000

~ Please view all 5 photos ~
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