Agricola, Georgius, De re metallica, 1912/1950

Page concordance

< >
Scan Original
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
< >
page |< < of 679 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="127"/>
              neath which is the sixth stratum, likewise dark, but rough and three feet
                <lb/>
              thick. </s>
              <s>Afterward occurs the seventh stratum, likewise of dark colour, but
                <lb/>
              still darker than the last, and two feet thick. </s>
              <s>This is followed by an eighth
                <lb/>
              stratum, ashy, rough, and a foot thick. </s>
              <s>This kind, as also the others,
                <lb/>
              is sometimes distinguished by stringers of the stone which easily melts in
                <lb/>
              fire of the second order. </s>
              <s>Beneath this is another ashy rock, light in
                <lb/>
              weight, and five feet thick. </s>
              <s>Next to this comes a lighter ash-coloured
                <lb/>
              one, a foot thick; beneath this lies the eleventh stratum, which is dark and
                <lb/>
              very much like the seventh, and two feet thick. </s>
              <s>Below the last is
                <lb/>
              a twelfth stratum of a whitish colour and soft, also two feet thick; the
                <lb/>
              weight of this rests on a thirteenth stratum, ashy and one foot thick, whose
                <lb/>
              weight is in turn supported by a fourteenth stratum, which is blackish and
                <lb/>
              half a foot thick. </s>
              <s>There follows this, another stratum of black colour,
                <lb/>
              likewise half a foot thick, which is again followed by a sixteenth stratum
                <lb/>
              still blacker in colour, whose thickness is also the same. </s>
              <s>Beneath this, and
                <lb/>
              last of all, lies the cupriferous stratum, black coloured and schistose, in which
                <lb/>
              there sometimes glitter scales of gold-coloured pyrites in the very thin sheets,
                <lb/>
              which, as I said elsewhere, often take the forms of various living things.
                <emph type="sup"/>
              15
                <emph.end type="sup"/>
              </s>
            </p>
            <p type="main">
              <s>The miners mine out a
                <emph type="italics"/>
              vena dílatata
                <emph.end type="italics"/>
              laterally and longitudinally by
                <lb/>
              driving a low tunnel in it, and if the nature of the work and place permit, they
                <lb/>
              sink also a shaft in order to discover whether there is a second vein beneath
                <lb/>
              the first one; for sometimes beneath it there are two, three, or more similar
                <lb/>
              metal-bearing veins, and these are excavated in the same way laterally and
                <lb/>
              longitudinally. </s>
              <s>They generally mine
                <emph type="italics"/>
              venæ dilatatæ
                <emph.end type="italics"/>
              lying down; and to </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum