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They are not connected electrically. That is a piece of micarta with two bolts through it. The little leads are trapped between two washers on the bolts and the battery clamps are on the bolts as...

You are welcome. This makes a very deep etch. I should also add how I finish up the etch.

Once you are done, the etched metal will be very dark/dirty, and it will be prone to corrosion. I did a...

I finally got around to etching another blade. Here is my setup.
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Sure, I just mix up a solution by taking a coffee mug and filling it two thirds of the way with water. Then in the microwave it goes for two minutes. After that I pour in one third of white vinegar,...

I've been playing with electro-etching. Most people that I have looked at use a battery charger. My trickle charger did not have enough gumption to make a mark, so I tried my little portable jump...