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

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001323">
                <pb pagenum="257" xlink:href="010/01/265.jpg"/>
                <arrow.to.target n="marg344"/>
                <lb/>
              ſui exiguitatem inobſeruabilia, & inconſpicua fue­
                <lb/>
              rant, poſtea facto vacuo, ſcilicèt ſublata incumbentis
                <lb/>
              aeris compreſſione, ſubitò conſpiciuntur ſenſim infla­
                <lb/>
              ri, augerique, vt efficiant ampullas grandes per
                <expan abbr="aquã">aquam</expan>
                <lb/>
              aſcendentes, quæ ad confinium ſupremum eius per­
                <lb/>
              ductæ diſſiliunt, euomuntque aereas particulas intra
                <lb/>
              prædictum ſpatium inane, cùm è contra ſi dum actu
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              eleuantur ampullæ amplæ illæ aereæ, denuò compri­
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              mantur aere ſupremè introducto momento conſpi­
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              cies aerem denuò ad ſtrictiſſimum, & inconſpicuum
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              ſpatium redigi; Non poteſt igitur negari, niſi negatis
                <lb/>
                <expan abbr="euidẽtiſſimis">euidentiſſimis</expan>
              ſenſationibus, quod naturalis aeris
                <expan abbr="cõ-ſtitutio">con­
                  <lb/>
                ſtitutio</expan>
              , & diſpoſitio ſit illa ampliſſima, & rariſſima; &
                <lb/>
              præterea quòd quotieſcumque à vi externa compri­
                <lb/>
              mitur, conſtringiturque nihilominùs habeat quoque
                <lb/>
              vim, & energiam naturalem ſeſe celerrimè dilatandi,
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              facta nimirum reſilitione ad modum machinæ. </s>
            </p>
            <p type="margin">
              <s id="s.001324">
                <margin.target id="marg343"/>
              Cap. 5. de ae
                <lb/>
              ris grauitate
                <lb/>
              æquilibrio,
                <lb/>
              ſtructura, &
                <lb/>
              vi elaterią
                <lb/>
              eius.</s>
            </p>
            <p type="margin">
              <s id="s.001325">
                <margin.target id="marg344"/>
              Cap. 5. de ae
                <lb/>
              ris grauitate
                <lb/>
              æquilibrio,
                <lb/>
              ſtructura, &
                <lb/>
              vi elaterią
                <lb/>
              eius.</s>
            </p>
            <p type="main">
              <s id="s.001326">
                <emph type="center"/>
              PROP. CXXIII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001327">
                <emph type="center"/>
                <emph type="italics"/>
              Aer videtur compoſitus ex machinulis, quæ ſtringi
                <lb/>
              quidem adhibita violentia poſsint, ſed postea
                <lb/>
              ſponte reſilire ad inſtar arcus valeant.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001328">HIc iam quæri poteſt, qualis nam eſſe oporteat
                <lb/>
              aeris ſtructura ac forma, vt prædictas opera­
                <lb/>
              tiones efficere valeat. </s>
              <s id="s.001329">Et profectò ſi ſenſu, non uerò
                <lb/>
              phantaſticis, & chimericis hypotheſibus philoſo­
                <lb/>
              phandum eſt, confiteri tenemur aerem componi ex
                <lb/>
              machinis flexibilibus, & reſilientibus ad modum ar-</s>
            </p>
          </chap>
        </body>
      </text>
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