Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001124">
                <pb pagenum="218" xlink:href="010/01/226.jpg"/>
                <arrow.to.target n="marg290"/>
                <lb/>
              cylindro aereo SAC. digitus ergo
                <expan abbr="cõ-primitur">com
                  <lb/>
                primitur</expan>
              à duabus æqualibus viribus
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              inter ſe contrarijs veluti forcipe, de­
                <lb/>
              orsùm quidem à pondere aereo SAC,
                <lb/>
                <expan abbr="ſursũ">ſursum</expan>
              verò a vi preſſionis aeris SG re­
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              flexi per EC,
                <expan abbr="eodẽ">eodem</expan>
              ferè modo quo vri­
                <lb/>
              natores pondus incumbentis aquæ
                <expan abbr="">non</expan>
                <lb/>
              percipiunt, quia nimirùm æquali vi
                <lb/>
              ſursùm motu reflexo impelluntur ab a­
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              qua ſubiecta, ac grauantur ab aquą
                <lb/>
              ſuprema
                <expan abbr="deſcendẽte">deſcendente</expan>
              , vt ſuperius
                <expan abbr="oſtẽ-sũ">oſten­
                  <lb/>
                sum</expan>
              fuit; igitur in caſu noftro digitus ſu­
                <lb/>
              ſtinebit tantummodò grauitatem dua­
                <lb/>
              rum vnciarum fiſtulæ vitreæ exinani­
                <lb/>
                <figure id="id.010.01.226.1.jpg" xlink:href="010/01/226/1.jpg"/>
                <lb/>
              tæ AC quia nimirùm hic eſt exceſſus
                <lb/>
              ponderis totius columnæ aereæ, & vitreæ SAC ſupra
                <lb/>
              aeream
                <expan abbr="columnã">columnam</expan>
              ei ęqualem SGC: diuerſiſſimus ergo
                <lb/>
              eſt caſus fiſtulæ vitreæ mercurio ſtagnante repletæ,
                <lb/>
              quia nimirùm vis compreſſiua
                <expan abbr="colũnæ">columnæ</expan>
              aereæ SG om­
                <lb/>
              ninò expletur abſumiturque eleuando
                <expan abbr="ſuſtinẽdoque">ſuſtinendoque</expan>
                <lb/>
              mercurium BC, & ſic remaneat aerea columna SA
                <lb/>
              (prætèr vitrum) non ſuſtentata à repulſione
                <expan abbr="eiuſdẽ">eiuſdem</expan>
                <lb/>
              aeris SG, & proindè ſuſtineri debèt à digito ſubiecto
                <lb/>
              eo mode, quo ſupra expoſuimus. </s>
            </p>
            <p type="margin">
              <s id="s.001125">
                <margin.target id="marg290"/>
              Cap. 5. de ae­
                <lb/>
              ris grauitate
                <lb/>
              æquilibrio,
                <lb/>
              ſtructura, &
                <lb/>
              vi elaterią
                <lb/>
              eius.</s>
            </p>
            <p type="main">
              <s id="s.001126">Quapropter conuincens non eſt argumentum do­
                <lb/>
              ctiſſimi viri, ideoque remanent illibatæ rationes ſu­
                <lb/>
              periùs adductæ quibus perſuademur
                <expan abbr="mercuriũ">mercurium</expan>
              in fi­
                <lb/>
              ſtula ſuſtineri à preſſione circumambientis aeris. </s>
            </p>
            <p type="main">
              <s id="s.001127">Tranſeamus iam ad examen tertiæ rationis ab eo-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>