Typical monthly Special Assay report - Nov. 1880

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RogerB
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Joined: Mon Nov 04, 2019 2:30 pm

Typical monthly Special Assay report - Nov. 1880

Post by RogerB » Tue Oct 26, 2021 7:34 pm

This is a typical monthly Special Assay report for November 1880, Philadelphia Mint. The delay from November to February was not unusual. Notice the variations in weight and fineness. It was commonplace for assays of the same samples to differ by 0.001+/- even with multiple tests - routine assays were simply not as repeatably accurate as Mint officials liked to publicly state.
18810218 P Special Assay coin report November 1880_comp.jpg
18810218 P Special Assay coin report November 1880_comp.jpg (130.26 KiB) Viewed 255 times
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RogerB
Posts: 689
Joined: Mon Nov 04, 2019 2:30 pm

Re: Typical monthly Special Assay report - Nov. 1880

Post by RogerB » Thu Oct 28, 2021 7:58 pm

PS: Coins were not supposed to be released until after the report was received. But occasionally this rule was violated.
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