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

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            <p type="main">
              <s id="s.001651">
                <pb pagenum="315" xlink:href="010/01/323.jpg"/>
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                <lb/>
              quales, & variæ eſſe debent, & ad diuerſas plagas
                <lb/>
              tendentes, prout in ſpongiæ poroſitatibus ſupremis
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              infimis, & lateralibus aqua ingreditur; at quia ſe­
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              mel aqua commota neceſſariò impetum concipit, er­
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              gò neceſsè eſt, vt vis prædicti impetus impreſſi mini­
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              mè otioſa ſit, proindèque percuſſiones inferat tùm
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              particulis ſolidis ipſius ſpongiæ, cùm etiam particu­
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              lis aquæ contiguæ, quare non poterit extingui om­
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              ninò prædicta agitatio, niſi poſt aliquod
                <expan abbr="tẽpus">tempus</expan>
              , poſt­
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              quàm ſcilicèt ab impedimentis à glutine
                <expan abbr="partiũ">partium</expan>
              eiuſ­
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              demmet aquæ illatis, impetus præconceptus extin­
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              guatur. </s>
              <s id="s.001652">Patet ergò, quòd agitatio aquæ, quæ in
                <expan abbr="ſpõ-giæ">ſpon­
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                giæ</expan>
              madefactione contingit, non eſt propria ipſius a­
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              quæ, neque fluiditatem eius conſtituit, ſed potiùs
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              eſt effectus dependens à vi grauitatis eiuſdem fluidi,
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              quatenùs iuxtà naturæ inſtitutum, & hydroſtaticæ
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              leges inſinuari debet intra ſpongiæ poroſitates, vel
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              inanes, vel à leuiori corpore aereo occupatas. </s>
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            <p type="margin">
              <s id="s.001653">
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              Cap 7. dę
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              natura flui­
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              ditatis.
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              </s>
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            <p type="main">
              <s id="s.001654">
                <emph type="center"/>
              PROP. CXLIX.
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            </p>
            <p type="main">
              <s id="s.001655">
                <emph type="center"/>
                <emph type="italics"/>
              Commotio aquæ ad inſtar ebullitionis, quæ in pumicis ma­
                <lb/>
              defactione obſeruatur, non eſt propria, & conſtitu­
                <lb/>
              tiua fluidatis eius, ſed eſt effectus dependens à
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              pondere eiuſdem fluidi.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001656">IMmittatur poſtea intra aquam pumex loco ſpon­
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              giæ, cuius poroſitates aere refertæ ſunt,
                <expan abbr="tũc">tunc</expan>
              aqua
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              vtpotè grauior aere intra prædictas poroſitates con­
                <lb/>
              tento ſenſim in pumicis exterioribus foraminibus in-</s>
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          </chap>
        </body>
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