Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="3"/>
              even tin and bismuth
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              6
                <emph.end type="sup"/>
              are treated differently from lead. </s>
              <s>Although the
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              evaporation of juices is an art apparently quite distinct from metallurgy,
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              yet they ought not to be considered separately, inasmuch as these juices
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              are also often dug out of the ground solidified, or they are produced from
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              certain kinds of earth and stones which the miners dig up, and some of the
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              juices are not themselves devoid of metals. </s>
              <s>Again, their treatment is not
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              simple, since there is one method for common salt, another for soda
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              7
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              ,
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              another for alum, another for vitriol
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              8
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              , another for sulphur, and another
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              for bitumen.</s>
            </p>
            <p type="main">
              <s>Furthermore, there are many arts and sciences of which a miner should
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              not be ignorant. </s>
              <s>First there is Philosophy, that he may discern the origin,
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              cause, and nature of subterranean things; for then he will be able to dig
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              out the veins easily and advantageously, and to obtain more abundant results
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              from his mining. </s>
              <s>Secondly, there is Medicine, that he may be able to look
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              after his diggers and other workmen, that they do not meet with those
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                <lb/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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