[Milsurplus] Crystal checker

[Hubert Miller]

I was thinking about the LF FT-241s for selectivity crystals in receiver circuits, either as add-ons, scratch built, or replacement, but I learned those crystals are not to be relied on
and they are ALL approaching the end of the road. Perhaps there may still be a vanishingly small demand among vehicle collectors for the crystal sets for just display?
-Hue Miller
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