Some of those calculators from way back have the white ceramic chips in them.
Older TV's have the tanti capacators in them, check the older 'clunk clunk' channel changers on B&W TV's for Gold plating.
I sometimes find one, yes1, tanti paint drop cap on pre 1990 tvs, its near the ossilator (sp?).
I get that part too, cut the cap off and they look pretty, probably usefull for jewelery.
I'm not meaning the 'crystals' the small can with a frequency on the side, they do have silver in them though, dunno how much.
There's two or three in most tvs. The tiny ones you find in cellphones and high end stuff have the cap welded on with gold, and gold contact pads on them.
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