Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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              is in the copper is mixed with the remainder of silver; the copper itself,
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              equally with the lead, will be changed partly into litharge and partly into
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              hearth-lead.
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              19
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              The silver-lead alloy which does not melt is taken from the
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              margin of the crucible with a hooked bar.</s>
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              <s>The work of “drying” is distributed into four operations, which are
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              performed in four days. </s>
              <s>On the first—as likewise on the other three days—the
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              master begins at the fourth hour of the morning, and with his assistant chips </s>
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              <s>A—CAKES. B—HAMMER.
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              off the stalactites from the exhausted liquation cakes. </s>
              <s>They then carry the
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              cakes to the furnace, and put the stalactites upon the heap of liquation
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              thorns. </s>
              <s>The head of the chipping hammer is three palms and as many digits </s>
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