Agricola, Georgius, De re metallica, 1912/1950

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      <text>
        <body>
          <chap>
            <p type="caption">
              <s>
                <pb pagenum="314"/>
              particles of the stones may flow away. </s>
              <s>The particles of medium size generally
                <lb/>
              settle in the middle part of the buddle, where they are arrested by interwoven
                <lb/>
              fir twigs. </s>
              <s>The mud which flows down with the water settles between the
                <lb/>
              twigs and the board which closes the lower end of the buddle. </s>
              <s>The tin-stone
                <lb/>
              of large size is removed separately from the buddle with a shovel; those
                <lb/>
              of medium size are also removed separately, and likewise the mud is removed
                <lb/>
              separately, for they are separately washed on the canvas strakes and on
                <lb/>
              the ordinary strake, and separately roasted and smelted. </s>
              <s>The tin-stone
                <lb/>
              which has settled in the middle part of the buddle, is also always washed
                <lb/>
              separately on the canvas strakes; but if the particles are nearly equal in size
                <lb/>
              to those which have settled in the upper part of the buddle, they are washed
                <lb/>
              with them in the ordinary strake and are roasted and smelted with them.
                <lb/>
              </s>
              <s>However, the mud is never washed with the others, either on the canvas
                <lb/>
              strakes or on the ordinary strake, but separately, and the fine tin-stone which
                <lb/>
              is obtained from it is roasted and smelted separately. </s>
              <s>The two large buddles
                <lb/>
              discharge into a cross trough, and it again empties through a launder into
                <lb/>
              a settling-pit which is outside the building.</s>
            </p>
            <figure number="174"/>
            <p type="caption">
              <s>A—LAUNDER REACHING TO THE SCREEN. B—TRANSVERSE TROUGH. C—SPOUTS.
                <lb/>
              D—LARGE BUDDLES. E—SHOVEL. F—INTERWOVEN TWIGS. G—BOARDS CLOSING
                <lb/>
              THE BUDDLES. H—CROSS TROUGH.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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