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

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              <s id="s.001569">
                <pb pagenum="299" xlink:href="010/01/307.jpg"/>
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              arenulas commixtas cum ipſam et aqua, imò
                <expan abbr="earũdẽ">earundem</expan>
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              arenularum poroſitates pertranſire valerent. </s>
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              Cap, 7. de
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              natura flui­
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              ditatis.</s>
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            <p type="main">
              <s id="s.001571">Nec præterea obſtat, quòd poroſitates vitri, aut
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              metalli non ſint directæ, ſed miris modis contortæ, &
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                <arrow.to.target n="marg403"/>
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              anfractuoſæ, nec ſemper eiuſdem amplitudinis, nam
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              nihilominùs vetari, & impediri non poſſet tranſitus
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              fluentis aquæ, ſaltem tardiori motu, longiorique
                <expan abbr="tẽ-pore">ten­
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                pore</expan>
              , quàm ſi per poroſitates directas, & æquè latas
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              pertranſire debuiſſet. </s>
              <s id="s.001572">Hoc autem cùm non contin­
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              gat, ſcilicèt aqua intra vas vitreum diù incluſa num­
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              quam exudet, concedendum eſt, minimas eius parti­
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              culas non fluidas, ſed conſiſtentes eſſe. </s>
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            <p type="margin">
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              Licèt poroſi­
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              tates cuius­
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              libet corpo­
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              ris ſint tor­
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              tuoſæ tamen
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              à fluido per­
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              meari poſ­
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              ſunt.</s>
            </p>
            <p type="main">
              <s id="s.001574">Quòd verò pori cuiuslibet vaſis permeabiles om­
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              ninò ſint, nec viæ obturamentis impediantur, occlu­
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              danturque, probari ſatis poteſt ex eo quod per eos
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              aliqua fluida penetrant, vt hydrargyrum per poros
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              auri, aqua, oleum, & hydrargyrum quoque per po­
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              ros ligni, & vaſis fictilis, quare per eoſdem reliqua
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              omnia fluida neceſſariò pertranſire, & fluere debe­
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              rent, ſaltèm tardiori motu, ſi verum eſt, quòd nulla
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              fluidi pars aſſignari poteſt, quæ paritèr fluida non
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              ſit; deberet igitur aer effluere è vaſe fictili, & ligneo
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              quotieſcumque violentèr
                <expan abbr="immiſſusibidẽ">immiſſus ibidem</expan>
                <expan abbr="cõdenſatur">condenſatur</expan>
              . </s>
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            <p type="main">
              <s id="s.001575">
                <emph type="center"/>
              PROP. CXLII.
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            <p type="main">
              <s id="s.001576">
                <emph type="center"/>
                <emph type="italics"/>
              Ad fluidi conſtitutionem requiritur omnium partium diuiſio
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              in minimas particulas, talis figuræ, vt vna ſuper alte­
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              ram facilè fluere posſit, & omnes æqualem vim
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              motiuam grauitatis habeant.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
          </chap>
        </body>
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