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Updated: May 8, 2025
"Well, I got the specific gravity of gold, zinc and copper from my pocket-tables, and made a few experiments with some bearing metals. They're all brasses; alloys of copper and zinc, with a little lead and tin in some. I weighed and measured two or three small ingots and afterwards calculated what they'd weigh, if their cubic size was the capacity of the cup. I'll give you the figures."
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