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First etch with battery charger, handcut and hand drew , hope it will still be good after heat treatment : r/Bladesmith
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Amazon.com : CGOLDENWALL Electrochemical Etching Machine Electro-Corrosion Marking Machine 0.6-10S : Office Products
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Want to metal etch, but all modern Battery jump starters won't work. What to use? - Tools and Tool Making - Bladesmith's Forum Board
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