BTW, after looking at some pictures here and restored guns on Turnbull, I think that the "TD MAR 25, 1878" is a patent date marking. I will show it in the pictures.
What resolution should I use? They will be iPhone 12 pictures which are quite detailed, but quite large.
Last edited by John Cleveland; 03-24-2021 at 11:42 AM..
Reason: punctuation-replaced period with question mark
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