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Different types of bluing

49 harley49 harley Member Posts: 112 ✭✭
edited July 2015 in Ask the Experts
Didn't want to hi-jack the 1903 colt thread, but I may be mistaken I thought cyanide was used to get the "Colt Blue". Was it another mfg that used this in their concoction, any more info? I do remember my boss in mfg talking about this, and how it took them awhile to figure out why and how many people were dying from being over-exposed to the fumes.


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