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

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          <chap id="N10018">
            <p id="N19C10" type="main">
              <s id="N19CC5">
                <pb pagenum="310" xlink:href="001/01/320.jpg"/>
              atque obſtruit os fornacis: qua re domini magnum damnum faciunt. </s>
              <s id="N19CD1">Quod
                <lb/>
              ſi uena cumuletur & non liqueſcat, excoctor ſcalis ad latus fornacis appoſi­
                <lb/>
              tis aſcendens eam cuſpidato uel uncinato conto diuidat: quo etiam in fiſtu­
                <lb/>
              lam, in qua follium nares iacent, immiſſo deorſum uerſus uenam circa eam
                <lb/>
              ferruminatam dimoueat. </s>
              <s id="N19CDC">Poſt autem quartam horæ partem cum iam plum
                <lb/>
              bum, quod miniſter in catinum poſuit, liquefactum fuerit, magiſter conto
                <lb/>
              aperiat os fornacis: bacillum eſt ferreum, longum pedes tres &
                <expan abbr="dimidiũ">dimidium</expan>
              , pri
                <lb/>
              ore parte cuſpidatum & parum curuatum, poſteriore cauum, ut
                <expan abbr="manubriũ">manubrium</expan>
                <lb/>
              ligneum in ipſum includi queat: quod longum eſt pedes tres: ita craſſum ut
                <lb/>
              manu bene teneri poſſit. </s>
              <s id="N19CF1">Tunc uerò è fornace primò in catinum defluunt re
                <lb/>
              crementa: in quæ lapis cum metallo permiſtus, uel ad quem illud adhæret,
                <lb/>
              mutatus eſt: itemque terra & ſuccus concretus: deinde materia, ex pyrite con
                <lb/>
              flata, defluit: tum aurum uel
                <expan abbr="argentũ">argentum</expan>
              , quod plumbum liquidum, quod con
                <lb/>
              tinet catinus, combibit. </s>
              <s id="N19D00">Cùm autem ea, quæ effluxerunt, aliquandiu in cati­
                <lb/>
              no ſteterint, ut unum ab alio ſeparari poſſit, tunc magiſter prius recrementa
                <lb/>
              uel conto uncinato detrahat, uel furcilla ferrea tollat: quæ, quod leuiſſima
                <lb/>
              ſint, ſupernatant. </s>
              <s id="N19D09">Poſterius panes, ex pyrite
                <expan abbr="cõflatos">conflatos</expan>
              , detrahit: qui, quod me
                <lb/>
              diocriter graues ſint, medium locum tenent. </s>
              <s id="N19D12">At miſturam auri uel argenti
                <lb/>
              cum plumbo, quæ, quia grauiſſima eſt, infimum
                <expan abbr="locũ">locum</expan>
              obtinet, in catino re­
                <lb/>
              linquat. </s>
              <s id="N19D1D">Quoniam uerò differentia eſt in recrementis, quod ſuprema
                <expan abbr="paucũ">paucum</expan>
                <lb/>
              metallum in ſe
                <expan abbr="cõtineant">contineant</expan>
              : media eius plus: infima multum, quæque ſeparatim
                <lb/>
              ab alijs in aliquo loco reponat, ut ad ſingulos aceruos,
                <expan abbr="cũ">cum</expan>
              ea recocturus ſit,
                <lb/>
              additamenta adijcere poſſit
                <expan abbr="accõmodata">accommodata</expan>
              , & tantum plumbi pondus, quan­
                <lb/>
              tum metallum, quod in recrementis ineſt, poſtulat, imponere. </s>
              <s id="N19D38">In recremen­
                <lb/>
              tis autem recoctis ſi multum olent, aliquid metalli ineſt: ſi non olent, nihil
                <lb/>
              quicquam: ſeparatim etiam panes, ex pyrite
                <expan abbr="cõflatos">conflatos</expan>
              reponat: qui, quia pro­
                <lb/>
              ximi fuerunt metallo, eius pluſculum in ipſis quàm in recrementis ineſt: ex
                <lb/>
              his autem omnibus panibus conficitur meta: nam latiſſimus quiſque ſemper
                <lb/>
              inferius locatur. </s>
              <s id="N19D49">Sed contus uncinatus priore parte habet
                <expan abbr="uncũ">uncum</expan>
              , ex quo no­
                <lb/>
              men inuenit: cætera conto aſſimilis eſt. </s>
              <s id="N19D52">Mox magiſter rurſus claudat os for
                <lb/>
              nacis, eamque rebus ſupra dictis compleat: iterumque
                <expan abbr="ueña">uena</expan>
              excocta os aperiat
                <lb/>
              & recrementa, quæ defluxerunt in catinum, atque panes ex pyrite conflatos,
                <lb/>
              ex eo extrahat conto uncinato: eundem laborem iteret uſque dum certa & de
                <lb/>
              finita uenæ pars fuerit excocta, & tempus operæ præterierit. </s>
              <s id="N19D61">Verùm ſi ue­
                <lb/>
              na diues fuerit, opera perficitur octo horis: ſi pauper, longiore tempore. </s>
              <s id="N19D66">At
                <lb/>
                <expan abbr="tamẽ">tamen</expan>
              ſi uena fuerit ditiſſima, quia ocyus quàm octo horis excoquitur, inter­
                <lb/>
              dum altera opera cum prima coniungitur, ambæque perficiuntur decem ho­
                <lb/>
              rarum ſpacio. </s>
              <s id="N19D72">Sed cùm uena omnis iam fuerit excocta ſpumæ argenti et mo
                <lb/>
              lybdænæ tantum, quantum capit alueus, in fornacem inijciat, ut metallum,
                <lb/>
              quod alio qui in cadmijs remaneret, cum ipſis liquefactis effluat. </s>
              <s id="N19D79">At cùm po
                <lb/>
              ſtremò recrementa & panes ex pyrite
                <expan abbr="cõflatos">conflatos</expan>
              ex catino extraxerit, tum ex
                <lb/>
              eo plumbum cum auro uel argento permiſtum cochleari effundat in catil­
                <lb/>
              los æneos uel ferreos, latos palmos tres, altos totidem digitos, ſed interius
                <lb/>
              luto prius oblitos & calfaciendo rurſus ſiccatos, ne candens colliquefactos
                <lb/>
              perrumpat. </s>
              <s id="N19D8A">Cochlear uerò ferreum ſit latum palmos duos: quod ad cætera </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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