Jeff,
I believe the latter is correct. They began salt bluing in early '37 at the same time they stopped strawing small parts. I've never seen a copy of Davis' book, but have heard it's very inaccurate, with what seems to be speculation in many cases.
Ron
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I Still Need DWM side plate #49... if anyone runs across a nice one.
What ~Rudyard Kipling~ said...
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