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WHITE GOLD inside rotary switches 'ПГ'

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OwlTech

In this video I will recover and refine gold and palladium from solid white gold used as common pole material in the old ПГ, ПГ2, ПГ7, ПГ12 switches made in the USSR.

special thanks to @francoispellier
#goldrefining #palladium #owltech

posted by Heimflugta