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Book VII: Ore Testing

Book VII: Ore Testing Page of 673 Book VII: Ore Testing Text size:minus plus Restore normal size   Mail page  Print this page
260                                             BOOK VII.
The other method of making needles is as follows :—
So much for this. Perhaps I have used more words than those most
highly skilled in the art may require, but it is necessary for the understanding
of these matters.
I will now speak of the weights, of which I have frequently made mention.
Among mining people these are of two kinds, that is, the greater weights and
the lesser weights. The centumpendium is the first and largest weight, and of
Book VII: Ore Testing Page of 673 Book VII: Ore Testing
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