Cleaning up ceramic tube sockets

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Tubetec

Well-known member
Joined
Nov 18, 2015
Messages
5,951
I dug out a couple of nos  octal sockets , pure white ceramic insulator ,unglazed , marked 'Frequenite' Clix pats ,so Ediswan clix , nice quality items machined contacts ,but from being in a box of other assorted bits for years the ceramic had picked up all kinds of  metal deposits on the surface , after soap and water I tried Arm n hammer baking soda tooth paste and an old tooth brush ,took a little time but gradually ground away all of the surface contamination, back to whiter than white again .


 

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