(1) Tested Strong Arcturus Type 59 Tube.

Gorgeous blue envelope with an engraved base.

This tall bottle shouldered tube is much larger than average shouldered tubes - see photo 6.

There is one very small flea bite chip on the bottom rim - see photo 5.

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 = 2450 micromhos

Minimum pass/good = 1260

NOS Target Value = 1890

~ Please view all 9 photos ~

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