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Classic Currents

(1) Tested 1952 GE JG 1L4 Tube with Box Code 2-48 General Electric JG-1L4 Tube

(1) Tested 1952 GE JG 1L4 Tube with Box Code 2-48 General Electric JG-1L4 Tube

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(1) Tested GE JG-1L4 Tube with Original Box.
Date Code 2-48 (September to November of 1952).

The box has surface tearing from old tape - see photo 7.

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

Gm Test = 1050 micromhos
Minimum pass/good = 650

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