Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <pb pagenum="268"/>
            <figure number="142"/>
            <p type="caption">
              <s>A—LONG TABLE. B—TRAY. C—TUB.</s>
            </p>
            <p type="main">
              <s>I will start at the beginning with the first sort of work. </s>
              <s>Experienced
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              miners, when they dig the ore, sort the metalliferous material from earth,
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              stones, and solidified juices before it is taken from the shafts and tunnels,
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              and they put the valuable metal in trays and the waste into buckets. </s>
              <s>But
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              if some miner who is inexperienced in mining matters has omitted to do this,
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              or even if some experienced miner, compelled by some unavoidable necessity,
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              has been unable to do so, as soon as the material which has been dug out
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              has been removed from the mine, all of it should be examined, and that part of
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              the ore which is rich in metal sorted from that part of it which is devoid of
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              metal, whether such part be earth, or solidified juices, or stones. </s>
              <s>To smelt
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              waste together with an ore involves a loss, for some expenditure is thrown
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              away, seeing that out of earth and stones only empty and useless slags are </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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