Hi, there are several products that will work. As I recall, all of the military keys were silver coated (tending to oxidize black). A dilute solution of ammonia in water will clean most of the oxidation. You can also use a toothbrush and baking soda. There is another product called "simichrome" that is a good polish, also useful on plastics. Silver tarnish cleaners are also usable. If you are attempting to keep this in "collectable" condition stick with the ammonia and simichrome. Make sure you clean, flush and dry the contacts real well, any buildup in these two spots will cause irratic operation. Hope this helps. Julius n2wn _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
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