The manual for the RCA AT3 transmitter (1943) recommended a
solution of anhydrous lanolin dissolved in white spirit to lubricate the
roller carriage on roller inductors - apply sparingly.
I've had excellent results using the automatic dishwasher when
refurbishing roller coils and air variables - the abrasive powder brings
the ceramic back to 'as new' condition.
Of course, all the bearings must be lubed afterwards.
73, Ken ZL1AIH
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See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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