Oddball, Porcelain-Stuff

By Eric Wampner; posted June 15, 2021

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Anyone know the origin/value of this strange, "clamp-like" threaded insulator? It is halved, held together by a thin, copper wire, and is threaded in the center....same size as ur standard glass insulator pinhole. Has a "F", and a No. 6 on bottom. There is a smaller one next to it

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