Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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              it in this case, when it used formerly to be produced at Puteoli from lead
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              alone when melted by a fierce fire in the cupellation furnace.
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              8
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              Afterward
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              these cakes of lead are carried into the lead store-room.</s>
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              <s>The cakes of copper, put into wheelbarrows, are carried into the third
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              part of the building, where each is laid upon a saddle, and is broken up by
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              the impact of successive blows from the iron-shod stamp. </s>
              <s>This machine
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              is made by placing upon the ground a block of oak, five feet long and three feet </s>
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              <s>A—BLOCK OF WOOD. B—UPRIGHT POSTS. C—TRANSVERSE BEAMS. D—HEAD OF THE
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              STAMP. E—ITS TOOTH. F—THE HOLE IN THE STAMP-STEM. G—IRON BAR. H—MASSES
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              OF LEAD. I—THE BRONZE SADDLE. K—AXLE. L—ITS ARMS. M—LITTLE IRON AXLE.
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              N—BRONZE PIPE.
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              wide and thick; it is cut out in the middle for a length of two feet and two
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              palms, a width of two feet, and a depth of three palms and two digits, and is
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              open in front; the higher part of it is at the back, and the wide part lies flat
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              in the block. </s>
              <s>In the middle of it is placed a bronze saddle. </s>
              <s>Its base
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              is a palm and two digits wide, and is planted between two masses of
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              lead, and extends under them to a depth of a palm on both sides.
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              <s>The whole saddle is three palms and two digits wide, a foot long, and </s>
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