Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="caption">
              <s>
                <pb pagenum="297"/>
              tree trunk. </s>
              <s>Quicksilver
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              12
                <emph.end type="sup"/>
              is placed in each tub, across which is fixed a small
                <lb/>
              plank, and through a hole in the middle of each plank there passes a small
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              upright axle, which is enlarged above the plank to prevent it from dropping
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              into the tub lower than it should. </s>
              <s>At the lower end of the axle three sets
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              of paddles intersect, each made from two little boards fixed to the axle
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              opposite each other. </s>
              <s>The upper end of this axle has a pinion held by a
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              bearing set in a beam, and around each of these axles is a small drum made
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              of rundles, each of which is turned by a small toothed drum on a horizontal </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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