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

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            <p type="main">
              <s id="s.000354">
                <pb pagenum="75" xlink:href="010/01/083.jpg"/>
                <arrow.to.target n="marg82"/>
                <lb/>
              tinget in aqua deſcendente EF quæ videtur habere
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              nedùm vim propriæ grauitatis, ſed inſuper
                <expan abbr="impetũ">impetum</expan>
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              quo deorsùm fertur, ſicuti ſaxum, quod deorsùm̨
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              proijcitur, vim, & percuſſionem infert nedum men­
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              ſuratam à gradu eius ponderis, ſed etiam ab impe­
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              tu eius deſcenſiuo; qua propter vis, quæ ſubtrahitur
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              ab aqua
                <expan abbr="aſcendẽte">aſcendente</expan>
              FG, ſuperadditur grauitati aquæ
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              deſcendenti EF, & ſic duplicatur vis eiuſdem aquæ
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              deſcendentis qua fundum vaſis BC comprimitur;
                <expan abbr="cũ">cum</expan>
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              igitur id, quod ſubtrahitur ab aqua aſcendente FG
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              ſuperaddatur ponderi aquæ deſcendentis EF com­
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              penſabitur defectus cum additamento impetus
                <expan abbr="cõ-preſſiui">con­
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                preſſiui</expan>
              , proindeque non imminuetur pondus totius
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              aquæ in vaſe AC contentæ, & hæc erit cauſa, quare
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              etiam poſt aquæ agitationem pondus eius in librą
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              non alteratur, nec imminuitur. </s>
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            <p type="margin">
              <s id="s.000355">
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              Cap. 3. flui­
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              dum in ſuo
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              toto quie­
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              ſcens ponde­
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              rat.</s>
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            <p type="main">
              <s id="s.000356">
                <emph type="center"/>
              PROP. XXXVII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000357">
                <emph type="center"/>
                <emph type="italics"/>
              Reijcitur difficultas contra præcedentem propoſitionem
                <lb/>
              adducta.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.000358">SEd facili negotio inefficacia huius ratiocinij
                <expan abbr="oſtẽ-di">oſten­
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                di</expan>
              poteſt, primò experientia, ſecundò ratione.
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              </s>
              <s id="s.000359">Quoad primum, ſuſpendatur vas aqueum AC duobus
                <lb/>
              filis AH, DL alligatis in extremitatibus eiuſdem li­
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              bræ HL radiorum æqualium, ſuſpendaturque libra
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              cum vaſe ab illius centro I, manifeſtum eſt, quando
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              aqua quieſcit, nec agitatur, ſi eri æquilibrium, quią
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              ſcilicèt centrum grauitatis M totius vaſis, & aquæ in-</s>
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          </chap>
        </body>
      </text>
    </archimedes>
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