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

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      <text>
        <body>
          <chap id="N10018">
            <p id="N1A1AF" type="main">
              <s id="N1A1B1">
                <pb pagenum="320" xlink:href="001/01/330.jpg"/>
              cibus excoquunt: quorum rationes breuiter exponam. </s>
              <s id="N1A1BB">Carni uenam iſti­
                <lb/>
              us plumbi primò urunt: deinde malleis teretibus, ſed admodum latis, fran­
                <lb/>
              gunt &
                <expan abbr="cõminuunt">comminuunt</expan>
              : tum in duos humiles muros foci, qui eſt in fornace, ex
                <lb/>
              ſaxis, quæ iniurijs ignium reſiſtunt, & ambuſti in calcem non abeunt, facta
                <lb/>
              & concamerata imponunt ligna uiridia, eisque arida ſuperimponunt, atque in
                <lb/>
              ipſa uenam
                <expan abbr="conijciũt">conijciunt</expan>
              : quæ lignis incenſis ſtillat
                <expan abbr="plũbo">plumbo</expan>
              : quod defluit in ſub­
                <lb/>
              iectum focum decliuem: is ex puluere carbonum & terreno conſtat: inque eo
                <lb/>
              eſt magnus catinus, cuius dimidia pars ſubit ſub fornacem, dimidia ex ea ex
                <lb/>
              tat: in hunc influit plumbum: quod excoctor, recrementis & cæteris prius
                <lb/>
              rutro detractis, cochleari effundit in proximos catinos: ex quibus plumbeæ
                <lb/>
              maſſæ, poſtquam refrixerunt, extrahuntur. </s>
              <s id="N1A1DE">Fornacis autem tergo eſt fora­
                <lb/>
              men quadrang̀ulum, ut ignis plus flatus concipere, utque excoctor per id in
                <lb/>
              fornacem ſerpere, quoties res poſtulat, poſſit. </s>
              <s id="N1A1E5">Saxones quoque, qui
                <expan abbr="Gitelũ">Gitelum</expan>
                <lb/>
              in colunt, uenam plumbi in fornace, furno non diſſimili, excoquentes ligna
                <lb/>
              per foramen, quod eſt in tergo fornacis,
                <expan abbr="imponũt">imponunt</expan>
              : quæ cùm uehementer ar­
                <lb/>
              dere cœperint, plumbum ex uena deſtillat in catinum: quem eo
                <expan abbr="repletũ">repletum</expan>
              ex­
                <lb/>
              cocto conto aperit: quo modo plumbum unà cum recrementis influit in al­
                <lb/>
              terum catinum ſubiectum: mox hæc detrahit. </s>
              <s id="N1A1FE">Poſtremò
                <expan abbr="plumbeã">plumbeam</expan>
              maſſam
                <lb/>
              refrigeratam ex catino eximit. </s>
              <s id="N1A207">At Veſtofali ad decem
                <expan abbr="carbonũ">carbonum</expan>
              plauſtra ſic
                <lb/>
              accumulant in aliquo decliui montis loco, quò uallem attingit, ut cumulus
                <lb/>
              ſuperius fiat planus: cui ſtramina ad trium uel quatuor digitorum craſſitudi
                <lb/>
              nem inijciunt: quibus tantam uenam plumbi puram, quantam cumulus fer
                <lb/>
              re poteſt, ſuperinijciunt. </s>
              <s id="N1A216">Deinde carbones, cùm flauerit uentus, accendunt:
                <lb/>
              is urget ignem ut uenam excoquat: quomodo
                <expan abbr="plumbũ">plumbum</expan>
              deſtillans ex cumu­
                <lb/>
              lo effluit in uallis planiciem, latæque maſſæ, ſed non admodum craſſæ, fiunt:
                <lb/>
              in promptu autem ſunt aliquot uenæ plumbi
                <expan abbr="centũpondia">centumpondia</expan>
              : quam, ſi res be­
                <lb/>
              ne procedit, cumulo inſpergunt: maſſas illas latas, quod impuræ ſint, impo­
                <lb/>
              nunt lignis aridis, quæ ſuſtinent uiridia catino magno impoſita, eisque incen
                <lb/>
              ſis illas recoquunt. </s>
              <s id="N1A22D">Poloni uerò focis utuntur ex luto, quod lateres cin­
                <lb/>
              gunt, factis altitudine pedum quatuor: hi utrinque ſunt decliues. </s>
              <s id="N1A232">In ſuperiore
                <lb/>
              foci parte plana collocant magna ligna: eisque parua ſuperimponunt luto in­
                <lb/>
              ter ipſa interiecto: quibus tenuia lignorum reſegmina
                <expan abbr="ſuperinijciũt">ſuperinijciunt</expan>
              , atque eis
                <lb/>
              rurſus uenam plumbi puram, eamque lignis magnis
                <expan abbr="cõtegunt">contegunt</expan>
              : quibus incen­
                <lb/>
              ſis uena liqueſcit & defluit in ligna inferiora: ea cùm ignis etiam
                <expan abbr="cõſumpſe­rit">conſumpſe­
                  <lb/>
                rit</expan>
              , materiam metallicam colligunt: ipſamque, ſi res poſtulauerit, iterum atque
                <lb/>
              iterum iſto modo excoquunt: ex qua tandem lignis, quæ catino magno ſu­
                <lb/>
              perimpoſita ſunt, ſuperiniecta conflantur maſſæ plumbeæ. </s>
              <s id="N1A24F">Recrementa ue
                <lb/>
              rò unà cum
                <expan abbr="ramẽtis">ramentis</expan>
              lotura collectis in tertia fornace, cuius os ſemper patet. </s>
              <s id="N1A258">
                <lb/>
              excoquuntur.</s>
            </p>
            <p id="N1A25C" type="caption">
              <s id="N1A25E">C
                <emph type="italics"/>
              arnorum fornax
                <emph.end type="italics"/>
              A. A
                <emph type="italics"/>
              lter murus humilis
                <emph.end type="italics"/>
              B. L
                <emph type="italics"/>
              igna
                <emph.end type="italics"/>
              C. V
                <emph type="italics"/>
              ena ſtillans
                <lb/>
              plumbo
                <emph.end type="italics"/>
              D. C
                <emph type="italics"/>
              atinus magnus
                <emph.end type="italics"/>
              E. A
                <emph type="italics"/>
              lij catini
                <emph.end type="italics"/>
              F. C
                <emph type="italics"/>
              ochlear
                <emph.end type="italics"/>
              G. P
                <emph type="italics"/>
              lumbeæ maſſæ
                <emph.end type="italics"/>
                <lb/>
              H. T
                <emph type="italics"/>
              ergi fornacis foramen quadrangulum
                <emph.end type="italics"/>
              I. S
                <emph type="italics"/>
              axonum fornax
                <emph.end type="italics"/>
              K. F
                <emph type="italics"/>
              oramen
                <lb/>
              in tergo fornacis
                <emph.end type="italics"/>
              L. L
                <emph type="italics"/>
              igna
                <emph.end type="italics"/>
              M. C
                <emph type="italics"/>
              atinus ſuperior
                <emph.end type="italics"/>
              N. C
                <emph type="italics"/>
              atinus inferior
                <emph.end type="italics"/>
              O.
                <lb/>
              V
                <emph type="italics"/>
              eſtofalorum excoquendi ratio
                <emph.end type="italics"/>
              P. C
                <emph type="italics"/>
              umuli carbouum
                <emph.end type="italics"/>
              Q. S
                <emph type="italics"/>
              tramina
                <emph.end type="italics"/>
              R.
                <lb/>
              M
                <emph type="italics"/>
              aſſa lata
                <emph.end type="italics"/>
              S. C
                <emph type="italics"/>
              atinus
                <emph.end type="italics"/>
              T. P
                <emph type="italics"/>
              olonorum focus
                <emph.end type="italics"/>
              V.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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