Cardano, Girolamo, De subtilitate, 1663

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.011554">
                <pb pagenum="612" xlink:href="016/01/259.jpg"/>
              etiam beneficio tenuium linteorum, quæ vt
                <lb/>
              amota fuerint ab imagine, & ſtatim ſe con­
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              trahunt. </s>
              <s id="s.011555">Et per conos ductiles. </s>
              <s id="s.011556">Præterea in
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              picturis, ac ſtatuis. </s>
              <s id="s.011557">& ectypis rationem aſ­
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              pectus ſeruari dicet: ſi quis fructum artis
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              percipere velit: nam picturæ aliæ è regione,
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              aliæ à latere, aliæ ex editiore, nonnullæ lon­
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              gius perſpiciendæ ſunt: ſtatuæ in luce ex
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              obſcuro loco: minuta alia quæque in obſcu­
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              ro ex luce, ne fatiſcant. </s>
              <s id="s.011558">Similiter & colo­
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              res viuidiores in obſcuro apparent. </s>
              <s id="s.011559">Vnde
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              mos ille obducendi velum tabernis vena­
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              lium pannorum. </s>
            </p>
            <p type="margin">
              <s id="s.011560">
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              Mediæ &
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              ſeſquidimi­
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              diæ repræſen­
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              tationis diſ­
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              crimen.</s>
            </p>
            <p type="margin">
              <s id="s.011561">
                <margin.target id="marg1604"/>
              Plaſtice dif­
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              ficilior
                <expan abbr="celã-di">celan­
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                di</expan>
              , & ſcul­
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              pendi ratio­
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              ne.</s>
            </p>
            <p type="margin">
              <s id="s.011562">
                <margin.target id="marg1605"/>
              Columnæ
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              quinque pla­
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              ſtici operis in
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              Vormacta
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              mirifici.</s>
            </p>
            <p type="margin">
              <s id="s.011563">
                <margin.target id="marg1606"/>
              Plaſtica mi­
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              rabilis anti­
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              qua fabri­
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              candi im­
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              menſa opera.</s>
            </p>
            <p type="margin">
              <s id="s.011564">
                <margin.target id="marg1607"/>
              Stuchorum
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              genera.</s>
            </p>
            <p type="margin">
              <s id="s.011565">
                <margin.target id="marg1608"/>
              Quomodo
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              homines ad
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              viuum, vt
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              dici ſolet fin­
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              gantur.</s>
            </p>
            <p type="margin">
              <s id="s.011566">
                <margin.target id="marg1609"/>
              Franciſci
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              Gallorum
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              regis imago.
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              </s>
              <s id="s.011567">Cardinalis
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              de Turno.
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              </s>
              <s id="s.011568">Quomodo
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              imagines ex
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              magnis in
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              paruas breui
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              temporis ſpa­
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              tio redigan­
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              tur.
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              </s>
              <s id="s.011569">Artes nobi­
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              liores latere,
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              & quænam
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              ſint.</s>
            </p>
            <p type="main">
              <s id="s.011570">Et quanquam hæc per ſe magnæ ſubtili­
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              tatis exempla ſint, pleræque tamen nobilio­
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              rum artium fermè latent, tum ob rerum pro­
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              prietates ignotas adhuc tum quia ſubtilio­
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              ri inuentione indigent. </s>
              <s id="s.011571">Sunt autem quæ la­
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              tent: vt, vitri tenacis faciendi ratio: the­
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              ſaurorum inuentio: ſtridorem dandi aëri, ab
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              albo plumbo auferendi: effodiendi vnde­
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              quaque vtiles res tranſmutandi colores:
                <lb/>
              perfecta ratio permutandi corruptum
                <expan abbr="vinũ">vinum</expan>
                <lb/>
              in acetum, quæ inuenta mea ætate, mea
                <lb/>
              etiam ætate periit, tametſi multa non inu­
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              tilia ſuprà tradiderimus: dignoſcendi rerum
                <lb/>
              proprias vires: ars proferendæ in longum
                <lb/>
              vitæ, de qua ſuprà diximus: materiam face­
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              re quæ machinarum
                <expan abbr="ignearũ">ignearum</expan>
              vi reſiſtat: vo­
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              landi inuentum, quod nuper tentatum à
                <lb/>
              duobus illis peſſimè ceſſit. </s>
              <s id="s.011572">Vincius, de quo
                <lb/>
              ſuprà diximus, tentauit, & fruſtrà: hic pictor
                <lb/>
              fuit egregius. </s>
              <s id="s.011573">Super omnia Tirydatis ma­
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              gia, ob quàm à Nerone ingenti pecunia, &
                <lb/>
                <arrow.to.target n="marg1610"/>
                <lb/>
              Armeniæ regno donatus eſt, dum ea docet,
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              facere, quæ fieri nequeunt. </s>
              <s id="s.011574">Veruntamen &
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              horum quæ diu latuerunt quædam inuenta
                <lb/>
              ſunt, vt horologia abſque fune. </s>
              <s id="s.011575">Stant pro
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              fune rotæ, in quibuſdam molæ ſuperpoſitæ,
                <lb/>
              limaci figura, denticulis 26. quibuſdam
                <expan abbr="etiã">etiam</expan>
                <lb/>
              pluribus: ab his denticulatus axis qui totam
                <lb/>
              agit machinam, circumagitur. </s>
              <s id="s.011576">In altero rota
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              eſt 48. denticulis in imo diſpoſitis, alterique
                <lb/>
              rotæ implexis, vt cum molæ nixu quæ in
                <lb/>
              imo eſt circumuertitur, alia totidem denti­
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              bus implexa etiam circumuoluta totam ma­
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                <arrow.to.target n="marg1611"/>
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              chinam ſecum ducat. </s>
              <s id="s.011577">Simili ratione inuen­
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              tum eſt, vt Cæſaris ſedes ita diſponeretur,
                <lb/>
              vt quocunque ſitu conſtituatur, ille immobi­
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              lis, ac commodè dum vehitur ſedeat. </s>
              <s id="s.011578">Hoc
                <lb/>
              tractum ex armillarum ratione: cùm enim
                <lb/>
              circuli tres chalybei conſtituentur, polis
                <lb/>
              ſurſum deorſum, antè, retro, dextra ac ſini­
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              ſtra mobilibus, cùm plures non poſſint eſſe
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              ſitus, neceſſe eſt ipſum in eſſedo quomodo­
                <lb/>
              cunque agatur quieſcere perpetuò. </s>
              <s id="s.011579">Habet
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              hoc aliquid non abſimile lucernis, à quorum
                <lb/>
              exemplo ducta eſt ratio: circumuolutæ enim
                <lb/>
              tametſi patulæ, oleum
                <expan abbr="nequaquã">nequaquam</expan>
              effundunt.
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              </s>
              <s id="s.011580">Nuper etiam quidam machinam illam
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              mundi vniuerſalem olim à Gulielmo Zelan­
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              dino fabricatam atque diſſolutam, in tene­
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              briſque per incuriam
                <expan abbr="marceſcẽtem">marceſcentem</expan>
              , cùm ego
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                <arrow.to.target n="marg1612"/>
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              quodam bono fato ad inſtaurandum bonas
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              artes etiam obiter non minus quàm ex in­
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              duſtria natus, in lucem reuocaſſem, in inte­
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              grum reſtituit. </s>
              <s id="s.011581">Cuius exemplo aliam Caro­
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              lo quinto Cæſari, ita conſtruxit, vt in ea &
                <lb/>
              temporum momenta, & partes ſignorum
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              ſingulas videas, & octaui orbis tardiſſimum
                <lb/>
              motum intuearis. </s>
              <s id="s.011582">Diuiſiones quoque orbis
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              ſignorum varias, quas domos vocant, ho­
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              raſque æquales, & inęquales, & quod maius
                <lb/>
              eſt, vniuerſi orbis partibus inſeruientes, vt
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              hæc verè machina orbem vniuerſum refe­
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              rat, in ea inſpicere licet. </s>
              <s id="s.011583">Omitto progreſſus,
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              regreſſuſque ſingulorum errantium ſyde­
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              rum, latitudines, altitudineſque aliaque in­
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              numera, vt prorſus res non minus fama
                <lb/>
              quam fide maior ſit. </s>
              <s id="s.011584">Referunt Sabor regem
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              Perſarum huiuſcemodi machinam tam
                <expan abbr="grã-de">gran­
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                de</expan>
              è vitro conſtrui feciſſe, vt in eius centro
                <lb/>
              ſederet tanquam in terræ ſpærula, ſpectan­
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              tem ſub pedibus etiam aſtra, exorientiaque
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              ac occidentia ſydera, vt ſic mortalis cùm
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              eſſet, ſupra tamen omnem mortalitatis fa­
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              ſtum & expectationem eſſe videretur. </s>
              <s id="s.011585">Et
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              certè quid maius & diuinius ſub hominis
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              ſenſibus cadere poteſt, etiam Regi vniuerſum
                <lb/>
              orbem terrarum poſſidenti, quam quòd poſt­
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              quam terras, & materia poſſidet, etiam cœ­
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              lum & aſtra, Dei domicilium habere videa­
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              tur? </s>
              <s id="s.011586">Talia recitantem Honoratus Ianius
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              Valentinus, Principis illuſtriſſimi Hiſpania­
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              rum Philippi pręceptor, in literis humanio­
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              ribus vir per quam doctus, & humaniſſimus,
                <lb/>
              excepit dicens: Machina hæc olim vitro, vt
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              rectè dixiſti, non vt nunc metallo fieri ſolita
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              erat: cuius teſtis Claudianus eſt pręter
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              etiam Ciceronis autoritatem. </s>
              <s id="s.011587">Sed libet, in­
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              quit, ipſius carmina recitare, dubij cuiuſdam
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              cauſa.
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                <emph type="quote"/>
                <emph type="italics"/>
              Iupiter in paruo cùm cerneret æthera vitro,
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              Riſit, & ad ſuperos talia dicta dedit:
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              Huccine mortalis progreſſa potentia curæ?
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              </s>
              <s id="s.011588">Iam meus in fragili luditur orbe labor.
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              </s>
              <s id="s.011589">Iura poli, rerumque fidem legeſque deorum,
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              Ecce Syracuſius tranſtulit arte ſenex.
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              </s>
              <s id="s.011590">Incluſus variis famulatur ſpiritus aſtris,
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              Et vinum certis motibus vrget opus.
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              </s>
              <s id="s.011591">Percurrit proprium mentitus ſignifer annum,
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              Et ſimulata nouo Cynthia menſe redit.
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              </s>
              <s id="s.011592">Iamque ſuum voluens audax induſtria mundum,
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              Gaudet, & humana ſydera mente regit.
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              </s>
              <s id="s.011593">Quid falſo inſontem tonitru Salmonea miror?
                <lb/>
              </s>
              <s id="s.011594">Æmula naturæ parua reperta manus.
                <emph.end type="italics"/>
                <emph.end type="quote"/>
              </s>
            </p>
            <p type="margin">
              <s id="s.011595">
                <margin.target id="marg1610"/>
              Horoligia
                <lb/>
              abſque fune.</s>
            </p>
            <p type="margin">
              <s id="s.011596">
                <margin.target id="marg1611"/>
              Sedes mira.</s>
            </p>
            <p type="margin">
              <s id="s.011597">
                <margin.target id="marg1612"/>
              Gulielmus
                <lb/>
              Zelandinus
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              autor ſphæræ
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              cœleſtis, mi­
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              rabilis arti­
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              ficiis.</s>
            </p>
            <p type="main">
              <s id="s.011598">Quæro, inquit, quonam modo ſpiritu in­
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              cluſo ea moles tam variis motibus circum­
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              uolui potuit, vt Claudianus refert? </s>
              <s id="s.011599">Deinde,
                <lb/>
              cur ex vitro olim, nunc autem ex metallo?
                <lb/>
                <arrow.to.target n="marg1613"/>
                <lb/>
              Tum ego: Cauſa cur ex vitro olim fieret
                <lb/>
              machina cœleſtis orbis, erat, quoniam cùm
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              eſſet æmula verè cœli, includebantur mino­
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              res maioribus: quamobrem qui intus erant,
                <lb/>
              & ſydera ſpectari non potuiſſent, niſi om­
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              nes ex materia perſpicua conflati fuiſſent.
                <lb/>
              </s>
              <s id="s.011600">Itaque qui nunc has moles faciunt, vitri fra­
                <lb/>
              gilitatem verentes, coguntur non naturalem
                <lb/>
              mundi machinam æmulari, orbem orbi cir­
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              cumponendo, quoniam cùm ex metallo ſint,
                <lb/>
              videri non poſſent: ſed quot ſunt orbes, tot
                <lb/>
              efficiunt tabulas, aut ſaltem ſenas, Solis or­
                <lb/>
              bem Veneris orbi immiſcentis, in circui­
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              tumque compaginant, vt quod eſt rorarum,
                <lb/>
              ponderum, molarum, curruum, denticulo­
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              rum, nolarum, virgarum, funium, atque
                <lb/>
              aliorum inſtrumentorum, lateat intus: </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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