Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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              where the straight end of the hook was driven into it when it was lifted out
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              of the copper mould; the other jaw of the tongs, which has no tooth,
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              squeezes the cake, lest the tooth should fall out of it; the tongs are one and
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              a half feet long, each ring is a digit and a half thick, and the inside is a palm
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              and two digits in diameter. </s>
              <s>Those cranes by which the cakes are lifted out
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              of the copper pans and placed on the ground, and lifted up again from there
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              and placed in the furnaces, are two in number—one in the middle space
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              between the third transverse wall and the two upright posts, and the other in </s>
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              <s>A—CRANE. B—DRUM CONSISTING OF RUNDLES. C—TOOTHED DRUM. D—TROLLEY
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              AND ITS WHEELS. E—TRIANGULAR BOARD. F—CAKES. G—CHAIN OF THE CRANE.
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              H—ITS HOOK. I—RING. K—THE TONGS.
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              the middle space between the same posts and the seventh transverse wall.
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              <s>The rectangular crane-post of both of these is two feet wide and thick, and
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              is eighteen feet from the third long wall, and nineteen from the second long
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              wall. </s>
              <s>There are two drums in the framework of each—one drum consisting
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              of rundles, the other being toothed. </s>
              <s>The crane-arm of each extends seventeen
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              feet, three palms and as many digits from the post. </s>
              <s>The trolley of each
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              crane is two feet and as many palms long, a foot and two digits wide, and a
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              palm and two digits thick; but where it runs between the beams of the
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              crane-arm it is three digits wide and a palm thick; it has five notches, in </s>
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