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

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              <s id="s.002506">
                <pb pagenum="475" xlink:href="010/01/483.jpg"/>
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              pore facti ſubduplicatam proportionem habeant al­
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              titudinum eorum. </s>
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            <p type="margin">
              <s id="s.002507">
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              Cap. 11. gra­
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              uia in fluido
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              velocitati­
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              bus inæqua­
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              libus ferri
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              debere.</s>
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              <s id="s.002508">
                <emph type="center"/>
              PROP. CCXXXI.
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            <p type="main">
              <s id="s.002509">
                <emph type="center"/>
                <emph type="italics"/>
              Eorumdem conorum æquè altorum ſi vnius vertex, & al­
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              terius baſis ſursùm ambo, vel deorsùm
                <expan abbr="reſpiciõt">reſpiciont</expan>
              ; parum
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              celeriùs feretur is, qui mucrone præcedente fertur.
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                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002510">COmparari modò debent inter ſe duo coni æqua­
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              les, ſimiles, & homogenei aqua leuiores, vel gra
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              uiores, ſed contrario ordine diſpoſiti, ſcilicèt ſi vnius
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              baſis
                <expan abbr="deorsũ">deorsum</expan>
              reſpiciat, alterius baſis ſursùm vergat,
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              ſed ambo horizonti æquidiſtantes, atque temporibus
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              æqualibus ſemper infra aquæ libellam aſcendendo,
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              vel deſcendendo ferantur; aliquantum celeriùs mo­
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              uebitur is, qui vertice præcedente mouetur; quia li­
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              cet expulſio ſupremæ aquæ efficiatur ab exceſſu pon­
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              deris aquæ ſiphonis ſupra pondus ligni aſcendentis,
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              & ab illius motu, cui veluti appendix ſubſequitur a­
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              quæ ſupernæ migratio, nihilominus illa moueri de­
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              bet, ergo ſi eius motus impedimentum patietur,
                <expan abbr="cõ-ſequenter">con­
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                ſequenter</expan>
              retardabitur aſcenſus ligni: modo negari
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              non poteſt reſiſtentia
                <expan abbr="pendẽs">pendens</expan>
              ab ampla translatione,
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              & diſtractione lanuginis partium aquæ, & à confri­
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              catione cum aſperitatibus ligni
                <expan abbr="aſcendẽtis">aſcendentis</expan>
              ; hæc pro­
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              fectò magis retardare poſſe videtur baſim coni
                <expan abbr="ſursũ">ſursum</expan>
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              vergentem, quàm eius apicem, & hac de cauſa veri­
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              ſimile videtur vt celeriùs conus ſursùm feratur quan­
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              do eius vertex ſursùm reſpicit, quàm ſi inuerſo ordi­
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              ne diſponatur, idemque in deſcenſu oſtendetur. </s>
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            <p type="main">
              <s id="s.002511">Id quod dictum eſt de conis, verificatur etiam dę </s>
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          </chap>
        </body>
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