Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="103"/>
              divide it obliquely; however, my discourse is now concerned mainly with
                <lb/>
                <emph type="italics"/>
              vena profunda,
                <emph.end type="italics"/>
              but most of all with the metallic material which it contains. </s>
            </p>
            <figure number="53"/>
            <p type="caption">
              <s>THREE VERTICAL SHAFTS, OF WHICH THE FIRST, A, DOES NOT REACH THE TUNNEL; THE
                <lb/>
              SECOND, B, REACHES THE TUNNEL; TO THE THIRD, C, THE TUNNEL HAS NOT YET BEEN
                <lb/>
              DRIVEN. D—TUNNEL.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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