how much is steatite ceramic tube ebay
Type S should be protected with gas tight ceramic tubes, a secondary tube of porcelain and silicon carbide or metal outer tubes, as conditions require. Get Price. K5DH's 807 CW transmitter - QSL.net. 2013-3-25 · The tube sockets and coil sockets are steatite with silver-plated contacts, probably made by E.F. Johnson. The steatite crystal ...
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