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1936, hardcover edition, Stackpole, PA. 151 pages. Tables, b&w drawings throughout. Here are more than 230 formulae for the blueing and browning of metals. Written by an expert on the subject. Intended for the private gun owner and gunsmith.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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