I have cleaned switches like that by using a slurry of Soft Scrub applied
with a small natural bristle chip brush
Let it set a few minutes and wash with water
Dry with a hair dryer or bake at low temperature under a heat lamp
Good to go and looks like new
Paul K0UYA
----- Original Message -----
From: "LB3HC" <rezycle.bin@gmail.com>
To: <amps@contesting.com>
Sent: Saturday, September 18, 2010 10:32 AM
Subject: [Amps] How to restore oxidized tank switch
>I have digged thru my junkbox and found an old tank switch that I
> bought at a swap meet. The switch have ceramic deck "holders" and
> looks like it is quite rugged. You can see some photos here:
> http://picasaweb.google.com/106642167576607300202/LinearAmpParts?feat=directlink
> I consider using it on my new GS35B design. However I need to restore
> it as it is badly oxidized. I tried to use some kind of metal on some
> other equipment one time and that removed the silver coating(!). I
> don't want to damage the silver coating on this nice switch. Please
> share your techniques and tricks for restoring silver plated / silver
> coated parts.
>
> 73
> LB3HC
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>
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