this morning I had a batch of pennies that seemed to have two different depositors. I weighted the rolls, making a 10$ lot of less than 130 grams and one of over.
as I wanted to turn in as much zn as I could.
turned out to be 8% cu , vs the normal 15%. two lots do not make a definitive statistic but...
experiment - weight skewing %
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experiment - weight skewing %
by cwgii » Mon Jul 22, 2013 7:27 pm
- cwgii
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