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

Table of figures

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              <s id="s.001124">
                <pb pagenum="218" xlink:href="010/01/226.jpg"/>
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              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
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              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
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              natores pondus incumbentis aquæ
                <expan abbr="">non</expan>
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              percipiunt, quia nimirùm æquali vi
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              ſursùm motu reflexo impelluntur ab a­
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              qua ſubiecta, ac grauantur ab aquą
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              ſuprema
                <expan abbr="deſcendẽte">deſcendente</expan>
              , vt ſuperius
                <expan abbr="oſtẽ-sũ">oſten­
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                sum</expan>
              fuit; igitur in caſu noftro digitus ſu­
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              ſtinebit tantummodò grauitatem dua­
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              rum vnciarum fiſtulæ vitreæ exinani­
                <lb/>
                <figure id="id.010.01.226.1.jpg" xlink:href="010/01/226/1.jpg" number="87"/>
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              tæ AC quia nimirùm hic eſt exceſſus
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              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
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              ninò expletur abſumiturque eleuando
                <expan abbr="ſuſtinẽdoque">ſuſtinendoque</expan>
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              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
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              eo mode, quo ſupra expoſuimus. </s>
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              Cap. 5. de ae­
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
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            <p type="main">
              <s id="s.001126">Quapropter conuincens non eſt argumentum do­
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              ctiſſimi viri, ideoque remanent illibatæ rationes ſu­
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              periùs adductæ quibus perſuademur
                <expan abbr="mercuriũ">mercurium</expan>
              in fi­
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              ſtula ſuſtineri à preſſione circumambientis aeris. </s>
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            <p type="main">
              <s id="s.001127">Tranſeamus iam ad examen tertiæ rationis ab eo-</s>
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