Agricola, Georgius, De re metallica, 1912/1950

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          <chap>
            <p type="main">
              <s>
                <pb pagenum="437"/>
              these holes wedge-shaped pegs are driven, in order that the beams may remain
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              fixed, and that the box may turn round, and may be turned toward the wind
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              from whichever quarter of the sky it may blow. </s>
              <s>In such a hearth they put </s>
            </p>
            <figure number="241"/>
            <p type="caption">
              <s>A—BOX. B—PIVOT. C—TRANSVERSE WOOD BEAMS. D—GRATE. E—ITS FEET.
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              F—BURNING WOOD. G—STICK. H—PANS IN WHICH THE BISMUTH IS MELTED.
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              I—PANS FOR MOULDS. K—CAKES. L—FORK. M—BRUSH.
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              an iron grate, as long and wide as the box and threequarters of a foot high;
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              it has six feet, and there are so many transverse bars that they almost touch
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              one another. </s>
              <s>On the grate they lay pine-wood and over it broken ore, and over
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              this they again lay pine-wood. </s>
              <s>When it has been kindled the ore melts, out
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              of which the bismuth drips down; since very little wood is burned, this is the
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              most profitable method of smelting the bismuth. </s>
              <s>The bismuth drips through
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              the grate on to the hearth, while the other things remain upon the grate with
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              the charcoal. </s>
              <s>When the work is finished, the workman takes a stick from the
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              hearth and overturns the grate, and the things which have accumulated on
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              it; with a brush he sweeps up the bismuth and collects it in a basket, and
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              then he melts it in an iron pan and makes cakes. </s>
              <s>As soon as possible after
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              it is cool, he turns the pans over, so that the cakes may fall out, using for
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              this purpose a two-pronged fork of which one prong is again forked. </s>
              <s>And
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              immediately afterward he returns to his labours.</s>
            </p>
            <p type="head">
              <s>END OF BOOK IX.</s>
            </p>
          </chap>
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