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="N14643" type="main">
              <s id="N14756">
                <pb pagenum="179" xlink:href="001/01/189.jpg"/>
              in altiori, per cuius os, qui uenas uel metalla experitur catillum forcipe im­
                <lb/>
              ponit: in humiliori, per cuius
                <expan abbr="partẽ">partem</expan>
              ſuperius patentem: quo ſanè modo for­
                <lb/>
              naculæ loco artifici eſt circulus ferreus: etenim ſuper
                <expan abbr="focũ">focum</expan>
              camini ponitur,
                <lb/>
              & inferius oblinitur luto, ne flatus follis ſub ipſo exeat. </s>
              <s id="N1476C">Quod ſi fieret tardi­
                <lb/>
              us, uena excoqueretur, & æs liqueſceret in catino triangulari, qui in
                <expan abbr="eũ">eum</expan>
              forci
                <lb/>
              pe imponitur, & rurſus eximitur. </s>
              <s id="N14777">Circulus
                <expan abbr="aũt">aut</expan>
              altus eſt palmos duos, craſ­
                <lb/>
              ſus ſemidigitum: eius ſpacium interius plerunque latum eſt pedem et
                <expan abbr="palmũ">palmum</expan>
              :
                <lb/>
              qua parte flatus follis in ipſum penetrat, exciſus eſt. </s>
              <s id="N14786">Sed follis eſt duplica­
                <lb/>
              tus, qualem habere ſolent aurifices, aliquando etiam fabri ferrarij: cui in me
                <lb/>
              dio eſt aſſer, in quo ineſt foramen ſpiritale, latum quinque digitos, longum ſe
                <lb/>
              ptem, ſuo aſſerculo tectum: quod è regione eſt foraminis ſpiritalis infimi aſ­
                <lb/>
              ſeris. </s>
              <s id="N14791">Eius uerò eadem eſt latitudo & longitudo. </s>
              <s id="N14794">Sed follis longus eſt, exce­
                <lb/>
              pto capite, tres pedes: latus poſtrema parte, ubi quodammodo rotundatur,
                <lb/>
              pedem & palmum: ad caput, tres palmos. </s>
              <s id="N1479B">Ipſum autem caput etiam
                <expan abbr="longũ">longum</expan>
                <lb/>
              eſt tres palmos:
                <expan abbr="latũ">latum</expan>
              uerò ea parte, qua cum aſſeribus coniungitur duos pal­
                <lb/>
              mos &
                <expan abbr="digitũ">digitum</expan>
              . </s>
              <s id="N147AE">Poſtea paulatim fit anguſtius: naris, quæ unica, longa eſt pe­
                <lb/>
              dem & duos digitos: ea in foramine muri, craſſi pedem &
                <expan abbr="palmũ">palmum</expan>
              , locata eſt,
                <lb/>
              ut etiam dimidia capitis pars, in quam naris includitur: circulum uerò ferre
                <lb/>
              um in foco ſtatutum tantummodo attingit: nam extra murum non eminet. </s>
              <s id="N147BB">
                <lb/>
              Corium follis ſui generis clauis ferreis infixum eſt aſſeribus: tum corio u­
                <lb/>
              trinque aſſeres
                <expan abbr="iungũtur">iunguntur</expan>
              cum capite, ſuper quo eſt corium tranſuerſarium in
                <lb/>
              aſſeris parte clauis, quibus lata ſunt capitula, infixum: ſimiliter
                <expan abbr="alterũ">alterum</expan>
              in par­
                <lb/>
              te capitis: Medius
                <expan abbr="autẽ">autem</expan>
              follis aſſer ſituatus eſt in bacillo ferreo, ad quod cla­
                <lb/>
              uis ferreis utrinque cuſpidatis & utrinque directò deorſum uerſus actis affigi­
                <lb/>
              tur, ut leuari non poſſit. </s>
              <s id="N147D5">Bacillum uerò ferreum in medio eſt duorum tigno
                <lb/>
              rum erectorum, per quæ penetrat. </s>
              <s id="N147DA">Superius etiam axiculus ligneus, habens
                <lb/>
              codaces ferreos, in foraminibus eorundem tignorum uoluitur: in cuius me
                <lb/>
              dij forma incluſus eſt uectis, et clauis ferreis affixus, ut
                <expan abbr="nõ">non</expan>
              queat exilire. </s>
              <s id="N147E5">Lon
                <lb/>
              gus autem eſt quinque pedes & dimidium: cuius poſtremam
                <expan abbr="partẽ">partem</expan>
              prehen­
                <lb/>
              dit annulus ferreus bacilli ferrei, pertinentis ad caudam infimi aſſeris ipſius
                <lb/>
              follis: quam alter eius annulus ſimiliter prehendit. </s>
              <s id="N147F2">Itaque cùm artifex uectem
                <lb/>
              deprimit, follis pars inferior leuatur, flatumque in narem compellit: atque eti­
                <lb/>
              am ſpiritus, per
                <expan abbr="foramẽ">foramen</expan>
              , quod ſpiritale dicitur, aſſeris medij penetrans ſub­
                <lb/>
              leuat ſuperiorem follis partem: cuius aſſeri ſuperpoſitum eſt plumbum tam
                <lb/>
              graue, ut eam follis partem rurſus poſſit deprimere: quæ depreſſa æquè ac
                <lb/>
              inferior pars per narem
                <expan abbr="flatũ">flatum</expan>
              expirat. </s>
              <s id="N14807">Iſto modo ſe habet follis duplicatus:
                <lb/>
              qui fabricatus eſt propter circulum ferreum, in quo catillus triangularis, in
                <lb/>
              quo uena æris excoquitur, & æs liqueſcit, collocatur.</s>
            </p>
            <p id="N1480E" type="caption">
              <s id="N14810">C
                <emph type="italics"/>
              irculus ferreus
                <emph.end type="italics"/>
              A. F
                <emph type="italics"/>
              ollis duplicatæs
                <emph.end type="italics"/>
              B.
                <lb/>
              E
                <emph type="italics"/>
              ius naris
                <emph.end type="italics"/>
              C. V
                <emph type="italics"/>
              ectis
                <emph.end type="italics"/>
              D.</s>
            </p>
          </chap>
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