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Thread: 1926 patent for strop dressing
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02-10-2010, 04:37 PM #1
1926 patent for strop dressing
Just came across this and thought it might be interesting. It appears that even back then there were qestions/issues/arguments about what you should use and how it works...
(Oh, and I googled Crocus of Mars and found that its ferric oxide)
Dave
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Frankenstein (02-10-2010)