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

Page concordance

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              <s id="s.002742">
                <pb pagenum="516" xlink:href="010/01/524.jpg"/>
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                <lb/>
              aſcendit ſponte ad replendum ſpatium priuatum, ſeu
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              vacuum mercurio, cùm prædictum limitem
                <expan abbr="cubitorũ">cubitorum</expan>
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              duorum, & ſemis non prætergrediatur, nec ſollicitus
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              ſit, quòd ſuperius ſpatium mercurio
                <expan abbr="vacuũ">vacuum</expan>
              remaneat. </s>
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            <p type="margin">
              <s id="s.002743">
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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              <s id="s.002744">
                <emph type="center"/>
              PROP. CCLIV.
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            <p type="main">
              <s id="s.002745">
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                <emph type="italics"/>
              In omnibus experimentis
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              oſtenditur violentèr
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              impelli fluidum ſursùm, & per accidens accurrere ad re­
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              plendum vacuum.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.002746">ID quod diximus de aqua, verificari quoque in aere
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              ſatis ſuperque conſtat ex ſuperiùs dictis. </s>
              <s id="s.002747">Propte­
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              rea quòd aer non minus, quàm aqua grauis eſt, & in
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              ſuamet regione pondus, & grauitatem exercet ſupra
                <lb/>
              fluida corpora ſubiecta; proindeque in aere
                <expan abbr="">non</expan>
              minùs
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              quàm in aqua libra, & ſipho exercentur, in quo æqui­
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              librium effici poteſt; quare retracto embolo in ſyrin­
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              ga aqua ſubiecta
                <expan abbr="">non</expan>
              attrahitur, neque ſugitur, neque
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              ipſa ſponte eleuatur aſſario adhærendo, ob vacui me­
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              tum, ſed quia à maiori pondere colúmnæ aereæ infimo
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              fluido incumbentis eumque
                <expan abbr="premẽtis">prementis</expan>
              , neceſſitate me­
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              chanica, aqua intra
                <expan abbr="ſyringã">ſyringam</expan>
              inſinuatur, & per
                <expan abbr="accidẽs">accidens</expan>
                <lb/>
              contingit, vt aqua accurrere videatur ad replendum
                <lb/>
              ſpatium inane. </s>
              <s id="s.002748">Idemque prorsùs dicendum eſt de an­
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              tlijs, ac machinis Cteſibianis, & de medicis cucurbi­
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              tulis, vt cap. 6. ſatis ſuperque declarauimus. </s>
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            <p type="main">
              <s id="s.002749">Quòd verò tabellæ follium poſt
                <expan abbr="compreſſionẽ">compreſſionem</expan>
              ob­
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              turato foramine difficile diſtrahantur, & ſic duę la­
                <lb/>
              minę vitreę ſe tangentes, non inde ſequitur timor, &
                <lb/>
              ab ominium vacui, nam hoc
                <expan abbr="cõtingit">contingit</expan>
              ex eo quòd gra­
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              uitas aeris ambientis, premendo ſubiectam partem </s>
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          </chap>
        </body>
      </text>
    </archimedes>