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Homebrew PCBs

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RE: [Homebrew_PCBs] what is sulfate of zinc and acidulated water andsaturated copper sulfate crystals ?

2017-01-18 by roylowenthal@...

If you want to tin plate existing copper tracks, there's an easy way:

< http://www.parts-express.com/tinnit-tin-plate--340-188 >

Roy

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