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Originally Posted by Matchlock
With these on our site we have, I guess, a full spectrum of powder testers, starting with an early instance of the second half of the 17th c....
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Let me then widen the spectrum ... back to the dawn of powder testing.
Images drawn for a rather interesting article written by Dr. H. G. Muller:
http://www.reenactor.ru/ARH/PDF/Muller_H._G.pdf
I am trying to find the author's email address, to query him on my example but, so far, had no result. Anyone has an idea how to get it ?
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