Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556

List of thumbnails

< >
361
361 		362
362
363
363 		364
364
365
365 		366
366
367
367 		368
368
369
369 		370
370
< >
page |< < of 599 > >|
    <archimedes>
      <text>
        <body>
          <chap id="N10018">
            <pb pagenum="357" xlink:href="001/01/367.jpg"/>
            <figure id="id.001.01.367.1.jpg" xlink:href="001/01/367/1.jpg" number="172"/>
            <p id="N1B600" type="main">
              <s id="N1B602">At aurum ab argento hac ratione ſecernitur. </s>
              <s id="N1B605">Temperatura primum adie
                <lb/>
              cto plumbo coquatur in catino cinereo uſque dum omne plumbum exhalet,
                <lb/>
              atque eius bes æris tantummodo drachmas quinque, aut ſummum ſex, in ſe
                <expan abbr="cõtineat">con
                  <lb/>
                tineat</expan>
              : nam ſi plus æris in ipſa fuerit, argentum ab auro ſeparatum mox rur­
                <lb/>
              ſus cum eo coniungitur: tale
                <expan abbr="argentũ">argentum</expan>
              , in quo aurum ineſt, liquatum uel for­
                <lb/>
              metur in globulos bacillo inferius diffiſſo agitatum, uel in canaliculum fer­
                <lb/>
              reum infundatur, & ex refrigerato efficiatur tenuis bractea. </s>
              <s id="N1B61C">Quoniam uerò
                <lb/>
              ratio faciendi globulos ex auro argentoſo acriorem curam & diligentiam
                <lb/>
              quàm ex alijs metallis deſiderat, eam nunc paucis exponam: id primò conij
                <lb/>
              ciendum eſt in catinum: qui deinde operculo tegendus & imponendus eſt
                <lb/>
              in alterum catinum fictilem, modicum cinerem continentem: tum ita ſunt in
                <lb/>
              fornace collocandi, ut ignis, flatu follis, inſpirari poſſit. </s>
              <s id="N1B629">Poſtea eis carbones
                <lb/>
              circundandi ſunt: hisque, ne cadant, lapides uel lateres: mox catino ſuperiori
                <lb/>
              carbones inijciendi ſunt, & eis prunæ ſuperinijciendæ: quibus rurſus carbo
                <lb/>
              nes, ut catinus undique eis circundetur & contegatur: quem ſinere oportet ſe
                <lb/>
              mihora, uel paulo longiore ſpacio carbonibus
                <expan abbr="candẽtibus">candentibus</expan>
              calefieri: & pro­
                <lb/>
              uidere, ne
                <expan abbr="deficiẽtibus">deficientibus</expan>
              ijſdem refrigeſcat: poſthæc per follis narem flatus in­
                <lb/>
              ſpirandus eſt, ut aurum incipiat liqueſcere: mox uerſandum, & experimen­
                <lb/>
              to rapto conſiderandum an liquatum ſit. </s>
              <s id="N1B642">Si fuerit liquatum,
                <expan abbr="additamẽto">additamento</expan>
              ad
                <lb/>
              ipſum adiecto catinum rurſus confeſtim operculare conuenit, ne id exha­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum