Agricola, Georgius, De re metallica, 1912/1950

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="150"/>
              hammer. </s>
              <s>The lower end is pointed so as to split the hard rocks and veins
                <lb/>
              with its point. </s>
              <s>All of these have eyes except the fourth. </s>
              <s>The first,
                <lb/>
              which is in daily use among miners, is three-quarters of a foot long, a digit
                <lb/>
              and a half wide, and a digit thick. </s>
              <s>The second is of the same width as the
                <lb/>
              first, and the same thickness, but one and one half feet long, and is used to
                <lb/>
              shatter the hardest veins in such a way that they crack open. </s>
              <s>The third
                <lb/>
              is the same length as the second, but is a little wider and thicker; with
                <lb/>
              this one they dig the bottoms of those shafts which slowly accumulate water.
                <lb/>
              </s>
              <s>The fourth is nearly three palms and one digit long, two digits thick, and in
                <lb/>
              the upper end it is three digits wide, in the middle it is one palm wide, and
                <lb/>
              at the lower end it is pointed like the others; with this they cut out the
                <lb/>
              harder veins. </s>
              <s>The eye in the first tool is one palm distant from the upper
                <lb/>
              end, in the second and third it is seven digits distant; each swells out
                <lb/>
              around the eye on both sides, and into it they fit a wooden handle, which
                <lb/>
              they hold with one hand, while they strike the iron tool with a hammer, after
                <lb/>
              placing it against the rock. </s>
              <s>These tools are made larger or smaller as
                <lb/>
              necessary. </s>
              <s>The smiths, as far as possible, sharpen again all that become dull.</s>
            </p>
            <figure number="76"/>
            <p type="caption">
              <s>A—FIRST “IRON TOOL.” B—SECOND. C—THIRD. D—FOURTH.
                <emph type="sup"/>
              2
                <emph.end type="sup"/>
              E—WEDGE. F—IRON
                <lb/>
              BLOCK. G—IRON PLATE. H—WOODEN HANDLE. I—HANDLE INSERTED IN FIRST TOOL.</s>
            </p>
            <p type="main">
              <s>A wedge is usually three palms and two digits long and six digits wide;
                <lb/>
              at the upper end, for a distance of a palm, it is three digits thick, and
                <lb/>
              beyond that point it becomes thinner by degrees, until finally it is quite
                <lb/>
              sharp.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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