Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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              sooner they are broken up; the less hot, the longer it takes, for now and
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              then they bend into the shape of copper basins. </s>
              <s>When the first cake has
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              been broken, the second is put on to the other fragments and beaten until it
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              breaks into pieces, and the rest of the cakes are broken up in the same manner
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              in due order. </s>
              <s>The head of the hammer is three palms long and one wide,
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              and sharpened at both ends, and its handle is of wood three feet long.
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              <s>When they have been broken by the stamp, if cold, or with hammers if hot,
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              the fragments of copper or the cakes are carried into the store-room for
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              copper.</s>
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              <s>A—BACK WALL. B—WALLS AT THE SIDES. C—UPRIGHT POSTS. D—CHIMNEY.
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              E—THE CAKES ARRANGED. F—IRON PLATES. G—ROCKS. H—RABBLE WITH TWO
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              PRONGS. I—HAMMERS.</s>
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              <s>The foreman of the works, according to the different proportions of
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              silver in each
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              centumpondíum
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              of copper, alloys it with lead, without which
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              he could not separate the silver from the copper.
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              10
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              If there be a moderate </s>
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Impressum