wrote in message
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This might be of interest to some. My neighbor down the block is restoring
a 1969 GM pick-up truck, and brought me the vintage radio from it to see
if I could do anything with it. He had *NO* interest in converting to FM,
much less stereo, all he wanted was to get the AM back.

The radio looked like it had been ridden hard and put away wet each and
every day since 1969, fully encrusted with filth, grease, what looked like
melted sugar, plastic and more. To the point where the tuning knob was
locked, as were the preset buttons. This is a solid-state radio, not tube,
of course.

I took the attitude of kill or cure, so after partial dis-assembly,
removing the top and knobs, I put it on the top shelf of the dishwasher
(Bosch) and ran it through a full scrub cycle (alone), then dried it in
the oven for 2 hours at 175F. It came out sparkling clean, and with
(thankfully) the back-painted numbers on the dial intact.

What's that in Centigrade - apparently germanium transistors brew up
somewhere around water boiling point.