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Old 10-02-2010, 12:59 PM
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jr_tech jr_tech is offline
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Quote:
Originally Posted by kx250rider View Post
I think they're phenolic. I have a few of them, as they came on a lot of RCAs from the early 50s through the late 50s; not just the CT-100. If you dig deep enough in any box of knobs, you'll find those. They filter to the bottom along with orphan knob springs, and moth-eaten felt washers.

Charles
Yes! that is the word I was looking for.

"Phenolic sheet is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with synthetic resin."

jr
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