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Book VII: Ore Testing

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BOOK VII.
Since it is rarely found that gold, which has been coined, does not amount to
at least fifteen duellae of gold in a bes, some make only twenty-eight needles, and
some make them different from those already described, inasmuch as the
alloy of gold with silver and copper is sometimes differently proportioned.
Next follows the fourth kind of needles, by which we test silver coins
which contain copper, or copper coins which contain silver. The bes by
which we weigh the silver is divided in two different ways. It is either
divided twelve times, into units of five drachmae and one scripulum each,
Book VII: Ore Testing Page of 673 Book VII: Ore Testing
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