Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="283"/>
              the outer end, which alternately raise the stamp, in order that, by its dropping
                <lb/>
              into the mortar, it may with its iron head pound and crush the rock which
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              has been thrown under it. </s>
              <s>To the cam-shaft is fixed a water-wheel whose
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              buckets are turned by water-power. </s>
              <s>Instead of doors, the mouth of the
                <lb/>
              mortar has a board, which is fitted into notches cut out of the front of the block.
                <lb/>
              </s>
              <s>This board can be raised, in order that when the mouth is open, the workmen </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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