Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="432"/>
              covered with lids a digit thick, and they are smeared over on the inside with
                <lb/>
              liquid litharge, and on the lid are placed heavy stones. </s>
              <s>The pots are set on
                <lb/>
              the furnace, and the ore is heated and similarly exhales quicksilver, which
                <lb/>
              fleeing from the heat takes refuge in the lid; on congealing there, it falls
                <lb/>
              back into the ashes, from which, when washed, the quicksilver is collected.</s>
            </p>
            <figure number="237"/>
            <p type="caption">
              <s>A—POTS. B—LIDS. C—STONES. D—FURNACE.</s>
            </p>
            <p type="main">
              <s>By these five methods quicksilver may be made, and of these not one is
                <lb/>
              to be despised or repudiated; nevertheless, if the mine supplies a great
                <lb/>
              abundance of ore, the first is the most expeditious and practical, because a
                <lb/>
              large quantity of ore can be reduced at the same time without great expense.
                <emph type="sup"/>
              58
                <emph.end type="sup"/>
              </s>
            </p>
          </chap>
        </body>
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