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

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    <archimedes>
      <text>
        <body>
          <chap id="N10018">
            <p id="N1B856" type="main">
              <s id="N1B858">
                <pb pagenum="361" xlink:href="001/01/371.jpg"/>
              lorum, qualem expoſui, & cum aqua ualens conficitur, noctu
                <expan abbr="manendũ">manendum</expan>
              in
                <lb/>
              uigilia: atque omnino in hac re multa opera, ſummaque cura
                <expan abbr="ponẽda">ponenda</expan>
              , à uiris ſo­
                <lb/>
              lertibus altera ſecernendi ratio inuenta eſt minus ſumptuoſa, minus ope­
                <lb/>
              roſa, minus, ſi incuria errorem attulerit, damnoſa. </s>
              <s id="N1B872">Ea uerò diuiditur triparti
                <lb/>
              tò. </s>
              <s id="N1B877">Etenim una ſulfure perficitur, altera ſtibio, tertia aliqua
                <expan abbr="cõpoſitione">compoſitione</expan>
              , quæ
                <lb/>
              ex his alijsque rebus conſtat. </s>
              <s id="N1B880">Primò autem argentum, in quo ineſt aliqua auri
                <lb/>
              portio, ſolum in catino liquefactum redigatur in globulos: quot uerò glo­
                <lb/>
              bulorum libræ fuerint, totidem ſint ſulfuris, ignem non experti, ſextantes et
                <lb/>
              ſicilici ſed id
                <expan abbr="cõminutũ">comminutum</expan>
              globulis madefactis inſpergatur: deinde conijcian­
                <lb/>
              tur in ollam fictilem nouam, quatuor ſextariorum capacem, aut in plures, ſi
                <lb/>
              globulorum copia extiterit. </s>
              <s id="N1B891">Olla repleta operculo item fictili tegatur & ob
                <lb/>
              linatur, atque imponatur in ignem circularem: qui ſeſquipedem ideo ab olla
                <lb/>
              undique diſtet, ut ſulfur argento tantum admiſceatur, non liquatum deſtillet:
                <lb/>
              tum aperiatur olla, globulique nigrore infecti eximantur: poſt in catinum fi­
                <lb/>
              ctilem inijciantur talium globulorum libræ tres & triginta, ſi tot
                <expan abbr="librarũ">librarum</expan>
              ca­
                <lb/>
              pax fuerit. </s>
              <s id="N1B8A2">Quot autem libras globuli
                <expan abbr="argẽtei">argentei</expan>
              , priuſquam eis inſpergeretur
                <lb/>
              ſulfur, pendebant, totidem æreorum globulorum
                <expan abbr="ſextãtes">ſextantes</expan>
              & ſicilici appen­
                <lb/>
              dantur, ſi quæque libra dodrantem argenti & quadrantem æris in ſe contine
                <lb/>
              at: uel dodrantem & ſemunciam argenti, ſextantem &
                <expan abbr="ſemũciam">ſemunciam</expan>
              æris. </s>
              <s id="N1B8B7">Si ue
                <lb/>
              rò dextantem argenti, & ſextantem æris, uel dextantem &
                <expan abbr="ſemũciam">ſemunciam</expan>
              argen
                <lb/>
              ti, ſeſcuntiam æris appendantur globulorum æreorum quadrantes: ſi deun
                <lb/>
              cem argenti, unciam æris: uel deuncem & ſemunciam argenti,
                <expan abbr="ſemunciã">ſemunciam</expan>
              æ­
                <lb/>
              ris appendantur totidem
                <expan abbr="globulorũ">globulorum</expan>
              æreorum quadrantes &
                <expan abbr="ſemũciæ">ſemunciæ</expan>
              atque
                <lb/>
              ſicilici: ſi denique argentum purum fuerit, totidem globulorum æreorum tri­
                <lb/>
              entes & ſemunciæ appendantur: ſed dimidia eorum globulorum æreorum
                <lb/>
              pars mox adijciatur ad globulos argenteos nigrore infectos. </s>
              <s id="N1B8D8">Catinum
                <expan abbr="autẽ">autem</expan>
                <lb/>
              ſtatim operculare & oblinire, & in fornacem, quæ foraminibus uento inſpi
                <lb/>
              ratur, imponere conuenit: quamprimum uerò
                <expan abbr="argẽtum">argentum</expan>
              liquefactum fuerit,
                <lb/>
              aperiatur catinus, & in eum inijciatur cochlear cumulatum reliquorum glo
                <lb/>
              bulorum æreorum, itemque cochlear
                <expan abbr="cumulatũ">cumulatum</expan>
              pulueris, qui habet pares por
                <lb/>
              tiones ſpumæ argenti, globulorum plumbeorum, ſalis, recrementorum ui­
                <lb/>
              tri: atque catinus rurſus operculo tegatur: qui globuli ærei cùm liquati fue­
                <lb/>
              rint, alij inijciantur cum puluere, uſque dum omnes iniecti fuerint: tum de ca­
                <lb/>
              tino pauca miſtura, non tamen aurea maſſula quæ in eius fundo reſidet, ca­
                <lb/>
              tillo hauſta effundatur, ipſiusque drachma conijciatur in quenque catillum ci­
                <lb/>
              nereum, qui plumbi liquefacti unciam in ſe continet: nam plures ſint: quo
                <lb/>
              modo dimidia argenti drachma conficitur. </s>
              <s id="N1B8FD">Quàm primum autem
                <expan abbr="plumbũ">plumbum</expan>
                <lb/>
              & æs ab
                <expan abbr="argẽto">argento</expan>
              ſeparata fuerint, eius triens inijciatur in ampullam uitream,
                <lb/>
              et affundatur aqua ualens: eo enim modo percipitur, an ſulfur aurum omne
                <lb/>
              ſecreuerit ab argento necne. </s>
              <s id="N1B90E">At ſi quis ſcire uoluerit, quantula auri maſſula
                <lb/>
              in catini fundo reſideat, is filo ferreo craſſo
                <expan abbr="cretã">cretam</expan>
              aquis madefactam illinat:
                <lb/>
              cum ea ſiccata fuerit, filum rectà demittat in catinum: quod tam alte, quàm
                <lb/>
              alta eſt auri maſſula, remanet candidum:
                <expan abbr="reliquã">reliquam</expan>
              eius partem miſtura nigro­
                <lb/>
              re inficit: quæ ad filum, ni cito retrahatur, adhæreſcit. </s>
              <s id="N1B921">Itaque ſi extracto filo au
                <lb/>
              rum uiſum fuerit, ab argento ſatis eſſe ſecretum, miſtura effuſa auri maſſula </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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