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

Table of figures

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              <s id="N1AE43">
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              & præterea durum, atque quod facile duci poteſt. </s>
              <s id="N1AE68">Nam etſi ex uenis, quæ ipſi
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              cum alijs metallis communes ſunt, conflatum liqueſcat, tamen aut molle eſt
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              aut fragile. </s>
              <s id="N1AE6F">Tale uerò candens primò in minutas particulas ſecetur, & cum
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              lapidibus liqueſcentibus
                <expan abbr="cõminutis">comminutis</expan>
              permiſceatur: deinde in foco fornacis
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              ferrariæ fiat catinus ex eodem puluere madido, ex quo fiunt catini, qui ſunt
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              ante fornaces in quibus uenæ auri uel argenti excoquuntur: cuius latitudo
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              ſit ad ſeſquipedem, altitudo ad pedem. </s>
              <s id="N1AE7E">Folles autem ſic collocentur, ut uen­
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              tum medio catino per narem inſpirent: tum catinus totus optimis carboni­
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              bus compleatur & circumcirca ponantur ſaxorum fragmenta, quæ ferri par
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              ticulas & carbones ſuperfuſos coerceant: ſed
                <expan abbr="quamprimũ">quamprimum</expan>
              carbones omnes
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              arſerint, & catinus excanduerit, folles uentum
                <expan abbr="inſpirẽt">inſpirent</expan>
              , atque magiſter ſenſim
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              infundat tantam ferri & lapidis
                <expan abbr="liqueſcẽtis">liqueſcentis</expan>
              miſturam, quanta ſibi infunden­
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              da uidebitur: in quam, cùm liquefacta fuerit, mediam quatuor ferri maſſas,
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              quarum ſingulæ
                <expan abbr="pendãt">pendant</expan>
              libras triginta, imponat: & acri igni quinque uel ſex
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              horis coquat, & bacillo immiſſo ferrum
                <expan abbr="liquatũ">liquatum</expan>
              ſæpius agitet, ut eius tenu­
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              iſſimam quanque particulam maſſarum parua foramina combibant: quæ par
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              ticulæ ſua ui
                <expan abbr="cõſumunt">conſumunt</expan>
              & dilatant craſſas maſſarum particulas: quæ molles
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              & fermento ſimiles fiunt. </s>
              <s id="N1AEAF">Poſtea magiſter miniſtro adiutus maſſam
                <expan abbr="unã">unam</expan>
              for
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              cipe extractam incudi imponat, ut malleus à rota uiciſſim ſublatus et demiſ­
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              ſus ipſam dilatet: quam confeſtim adhuc calidam in aquam inijciat & tem­
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              peret: temperatam rurſus incudi imponat, eamque eodem malleo percuſſam
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              frangat: mox inſpiciens fragmenta
                <expan abbr="cõſideret">conſideret</expan>
              , utrum aliqua ex parte ferrum
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              adhuc appareat, an totum quodammodo ſit denſatum & mutatum in
                <expan abbr="aciẽ">aciem</expan>
              . </s>
              <s id="N1AEC8">
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              Deinde aliam atque aliam maſſam forcipe prehenſam & extractam in partes
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              ſecet, tum miſturam recalfaciat, & ad eam addat recentis partem: quæ & in
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              locum illius, quam combiberunt maſſæ, ſuccedit, & uires eius, quæ reliqua
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              fuit, reficit, & maſſarum particulas, rurſus in catinum impoſitas, facit purio­
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              res: quarum quanque, ut primum excalfacta fuerit, forcipe prehenſam malleo
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              ſubijciat, & in bacilli
                <expan abbr="figurã">figuram</expan>
              formet. </s>
              <s id="N1AEDA">Quod, cùm adhuc excandeſcit, in frigi­
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              diſſimam aquam
                <expan abbr="profluentẽ">profluentem</expan>
              , quæ prope ſit, inijciat: quomodo repente den
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              ſatum in meram aciem uertitur: quæ ferro eſt multo durior & candidior.</s>
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            <p id="N1AEE5" type="caption">
              <s id="N1AEE7">C
                <emph type="italics"/>
              atinus
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              A. F
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              olles
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              B. F
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              orcipes
                <emph.end type="italics"/>
              C. M
                <emph type="italics"/>
              alleus
                <emph.end type="italics"/>
              D. F
                <emph type="italics"/>
              lumen
                <emph.end type="italics"/>
              E.</s>
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