Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="57"/>
              over that one of the twelve lines called “diameters” on which the number
                <lb/>
              XII is inscribed at both ends.</s>
            </p>
            <figure number="19"/>
            <p type="main">
              <s>When the needle which is governed by the magnet points directly
                <lb/>
              from the north to the south, the number XII at its tail, which is
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              forked, signifies the north, that number XII which is at its point indicates
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              the south. </s>
              <s>The sign VI superior indicates the east, and VI inferior the
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              west. </s>
              <s>Further, between each two cardinal points there are always
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              five others which are not so important. </s>
              <s>The first two of these directions
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              are called the prior directions; the last two are called the posterior, and
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              the fifth direction lies immediately between the former and the latter; it
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              is halved, and one half is attributed to one cardinal point and one half to the
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              other. </s>
              <s>For example, between the northern number XII and the eastern
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              number VI, are points numbered I, II, III, IV, V, of which I and </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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