MARKING TRAPS—Is there any way by which I can write my name on steel traps, by means of acid? I have tried punching my name on them but it doesn’t work well.
Warm the trap and rub a wax candle over the part where you want to have your name. When it cools there will be a thin film of wax covering the iron. With a pointed instrument, write your name in the wax, cutting through to the metal. Then take four parts of muriatic acid and one part of nitric acid, mix, and pour a few drops into the marks in the wax. It will eat the name into the metal in a very short time. It should then be thoroughly washed. Use care that you do not get it on your hands, or on other parts of the trap.
Harding, A.R.. 3001 Questions and Answers. Columbus, Oh: A.R. Harding, 1913.
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