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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000803">
                <pb pagenum="160" xlink:href="010/01/168.jpg"/>
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            <p type="margin">
              <s id="s.000804">
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              Cap. 4. poſi­
                <lb/>
              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="margin">
              <s id="s.000805">
                <margin.target id="marg203"/>
              Cap. 4. poſi­
                <lb/>
              tiuam leui­
                <lb/>
              tatem noņ
                <lb/>
              dari.</s>
            </p>
            <p type="main">
              <s id="s.000806">Sed poſito quòd in vehementiſſima turbinatione
                <lb/>
              retineretur pauliſpèr aqua adhærens fundo ſupremo
                <lb/>
              fiſtulæ, & proinde aer infimus ſaltem per
                <expan abbr="breuiſſimũ">breuiſſimum</expan>
                <lb/>
              ſpatium cylindricam formam ORXP retineret, mani­
                <lb/>
              feſtum eſt, quòd ſubito ceſſante impetu aqua vt gra­
                <lb/>
              uior aere deorsùm deſcenderet, labereturque, aut
                <lb/>
              in loco intermedio fiſtulæ, aut ad latera, prout vndu­
                <lb/>
              latio partium aquæ eam promoueret, & ſic ſemper à
                <lb/>
              deſcenſu grauioris aquę figura tumida, & conuexa
                <lb/>
              aeris aſcendentis crearetur, numquam verò ſpontę
                <lb/>
              ab ipſa leuitate aeris. </s>
            </p>
            <p type="main">
              <s id="s.000807">
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            <p type="margin">
              <s id="s.000808">
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              Reſponde­
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              tur ſingulis
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              oppoſitioni­
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              bus aduer­
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              ſarij.</s>
            </p>
            <p type="main">
              <s id="s.000809">Cùm verò inſtat:
                <emph type="italics"/>
              Si idcircò aer ſursùm tendit, quia ab
                <lb/>
              aqua deorsùm tendente extruditur in ſuperiora aqua potiùs
                <lb/>
              peruaderet cuneatim aerem, quem admodum aqua
                <expan abbr="decidẽs">decidens</expan>
                <lb/>
              extra fistulam ſubiectum aerem perrumpit, non verò illum
                <lb/>
              ambiens intra ſe recipit.
                <emph.end type="italics"/>
              </s>
              <s id="s.000810"> Hic primò noto, quòd non
                <expan abbr="sẽ-per">sem
                  <lb/>
                per</expan>
              aqua cadens aerem penetrat, nam multoties
                <lb/>
              penetratur ab ipſo aere quando nimirùm ſcinditur
                <lb/>
              in plures partes, vt contingit in pluuia, vel potiùs
                <lb/>
              quando è feneſtra catino aqua proijcitur. </s>
            </p>
            <p type="main">
              <s id="s.000811">Sic paritèr maſſa pulueris terreſtris è turris verti­
                <lb/>
              ce proiecta licèt in principio ſit vnita, nihilominùs
                <lb/>
              ab aere diſſipatur, diſpergiturque, idemque accidit
                <lb/>
              in fumo aſcendente per aerem. </s>
              <s id="s.000812">Secundò noto, quòd
                <lb/>
              partes aeris, vt dictum eſt, ſponte ſua connectuntur
                <lb/>
              colliganturque inter ſe, & proinde intra aquam po­
                <lb/>
              ſitæ omnes vniri debent, atque ſimùl, conglobatæ
                <lb/>
              per aquam aſcendent, non ſecùs, ac partes aquæ in­
                <lb/>
              tra aerem, vel oleum viciſſim vniuntur, congloban- </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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