Re: Rust Bluing
Is there any documentation/speculation as to the actual formula used for the earlier DWM Lugers? I have read the book by Angier and while there are references to certain firearms with relation to formula, there is no mention of DWM. I wonder if there is any actual documenation of their detailed process. I know that Colt held this data to be one of their top secrets. (BTW, years ago I used a browning formula from this book and followed it to the 'T' with excellent results).
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