Agricola, Georgius, De re metallica, 1912/1950
page |< < of 679 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="78"/>
              for among the Greeks, who called it an
                <foreign lang="grc">όργυιά,</foreign>
              it was six feet, among the
                <lb/>
              Romans five feet. </s>
              <s>So this measure which is used by miners seems to
                <lb/>
              have come down to the Germans in accordance with the Greek mode of
                <lb/>
              reckoning. </s>
              <s>A miner's foot approaches very nearly to the length of a Greek
                <lb/>
              foot, for it exceeds it by only three-quarters of a Greek digit, but like that
                <lb/>
              of the Romans it is divided into twelve
                <emph type="italics"/>
              uncíae
                <emph.end type="italics"/>
                <emph type="sup"/>
              2
                <emph.end type="sup"/>
              .</s>
            </p>
            <p type="main">
              <s>Now square fathoms are reckoned in units of one, two, three, or more
                <lb/>
              “measures”, and a “measure” is seven fathoms each way. </s>
              <s>Mining
                <lb/>
              meers are for the most part either square or elongated; in square meers all the
                <lb/>
              sides are of equal length, therefore the numbers of fathoms on the two sides
                <lb/>
              multiplied together produce the total in square fathoms. </s>
              <s>Thus, if the
                <lb/>
              shape of a “measure” is seven fathoms on every side, this number multi­
                <lb/>
              plied by itself makes forty-nine square fathoms.</s>
            </p>
            <p type="main">
              <s>The sides of a long meer are of equal length, and similarly its ends are
                <lb/>
              equal; therefore, if the number of fathoms in one of the long sides be multi­
                <lb/>
              plied by the number of fathoms in one of the ends, the total produced by the </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum