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

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            <p type="main">
              <s id="s.000812">
                <pb pagenum="161" xlink:href="010/01/169.jpg"/>
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              turque. </s>
              <s id="s.000813">Et tunc ſolummodò ab inuicem ſegregantur
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              ſubdiuidunturque, quando medium fluidum vehe­
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              menti, & irregulari motu fluidum per ipſum aſcen­
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              dens, vel deſcendens perrumpit diuiditque, ſeù quia
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              non omnes partes prædicti fluidi excurrentis æquali
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              impetu mouentur, vel quia laterales partes fluidi ab
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              aſperitatibus, & contactibus laterum fiſtulæ retar­
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              dantur, ſeù ab aliqua alia cauſa detinentur: nil igitur
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              ex hoc pro leuitate poſitiua acquiritur. </s>
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            <p type="margin">
              <s id="s.000814">
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
            </p>
            <p type="main">
              <s id="s.000815">Subdit poſtea idem author, quòd
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              aqua ſupernè re­
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              tunderet aeris tumorem, & infernè illum, quaſi forcipe
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              comprimens, conſtringeret ad figuram conoidem eius partem
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              infimam.
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              </s>
              <s id="s.000816"> Reſpondetur hoc falſum eſſe, quia vt iam̨
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              demonſtratum eſt nunquam figura aeris per aquam
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              aſcendentis acuminata in eius infima parte effici poſ­
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              ſet, ſed neceſsè eſt, vt ab impulſu facto ab aqua gra­
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              uiori ibidem excauetur ad modum ſcutellæ, & prop­
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              ter occurſum, & obſtaculum aquæ ſupremæ dum aer
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              fluidus aſcendit tumorem, & conuexitatem ſuper­
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              nè acquirat. </s>
            </p>
            <p type="main">
              <s id="s.000817">Cùm verò idem author ſubdit, quod
                <emph type="italics"/>
              ſi caſu copule­
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              tur particula aliqua aeris cum oleo per aquam aſcendente,
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              conſtat quòd huiuſmodi aggregatum velociùs aſcendit per
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              aquam.
                <emph.end type="italics"/>
                <expan abbr="Nõ">non</expan>
              video quidnam ex hoc deduci poſſit pro
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              leuitate poſitiua, imò nego quod
                <emph type="italics"/>
              non posſit reddi phy­
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              ſica, & ſolida ratio cur velociùs moueatur coniunctum il­
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              lud ex oleo, & aere, quàm oleum ſolum.
                <emph.end type="italics"/>
              </s>
              <s id="s.000818"> Et poſtea:
                <emph type="italics"/>
              neque
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              aquam citiùs deſcendendo expellere quoque citiùs oleum
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              ſursùm cum nec maior moles ſit aquæ ſupra
                <expan abbr="oleũ">oleum</expan>
              , quàm an-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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