![Etching copper using a saltwater solution and battery charger turned out. I don't think it's … | Electroformed jewelry, Metal jewelry making, Etched jewelry Etching copper using a saltwater solution and battery charger turned out. I don't think it's … | Electroformed jewelry, Metal jewelry making, Etched jewelry](https://i.pinimg.com/originals/5f/a8/ab/5fa8ab8b5c03d352b06a768a581eb46a.jpg)
Etching copper using a saltwater solution and battery charger turned out. I don't think it's … | Electroformed jewelry, Metal jewelry making, Etched jewelry
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File:Electro-etching on copper plate with copper sulphate solution (electrolyte) and small battery charge.jpg - Wikimedia Commons
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