Agricola, Georgius, De re metallica, 1912/1950

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="361"/>
              covered with lute so that they do not catch fire. </s>
              <s>In the secondary beams,
                <lb/>
              where they are laid on the fourth wall, are mortised the lower ends of the
                <lb/>
              same number of rafters as those in a set of rafters
                <emph type="sup"/>
              5
                <emph.end type="sup"/>
              opposite them. </s>
              <s>From
                <lb/>
              the third long wall these rafters are joined and tied to the ends of the opposite
                <lb/>
              rafters, so that they may not slip, and besides they are strengthened with
                <lb/>
              substructures which are made of cross and oblique timbers. </s>
              <s>The rafters
                <lb/>
              support the roof.</s>
            </p>
            <figure number="211"/>
            <p type="caption">
              <s>THE FOUR LONG WALLS: A—FIRST. B—SECOND. C—THIRD. D—FOURTH. THE
                <lb/>
              SEVEN TRANSVERSE WALLS: E—FIRST. F—SECOND. G—THIRD. H—FOURTH.
                <lb/>
              I—FIFTH. K—SIXTH. L—SEVENTH, OR MIDDLE.</s>
            </p>
            <p type="main">
              <s>In this manner the front part of the building is made, and is divided into
                <lb/>
              three parts; the first part is twelve feet wide and is under the hood, which
                <lb/>
              consists of two walls, one vertical and one inclined. </s>
              <s>The second part is the
                <lb/>
              same number of feet wide and is for the reception of the ore to be smelted,
                <lb/>
              the fluxes, the charcoal, and other things which are needed by the smelter.
                <lb/>
              </s>
              <s>The third part is nine feet wide and contains two separate rooms of equal
                <lb/>
              size, in one of which is the assay furnace, while the other contains the metal
                <lb/>
              to be melted in the cupellation furnaces. </s>
              <s>It is thus necessary that in the </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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