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

Table of figures

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              <s id="s.001791">
                <pb pagenum="338" xlink:href="010/01/346.jpg"/>
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              fluidi ſphæricè contornari, eleuari, ſuſpendique poſ­
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              ſunt ad ſimilitudinem monticuli. </s>
              <s id="s.001792">Et procùl dubio fa­
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              tendum eſt aquæ guttulas, aut vi naturali, & intrin­
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              ſeca ſponte ſua vniri conglobarique, & ſic efficerę
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              ſphærulas illas aqueas, vel hoc à violentia aliquą
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              externa effici. </s>
              <s id="s.001793">non deſunt vtriuſque ſententiæ fauto­
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              res. </s>
              <s id="s.001794">Aliqui enim affirmant ab aere ambiente compri­
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              mi aqueas guttulas, vel pondere, vel vi elaſtica ae­
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              ris, aut vtroque modo eas vndique conſtringendo,
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              & conſtipando. </s>
              <s id="s.001795">Quia verò numquam eædem guttæ
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              aqueæ naturalem grauitatem amittunt, ſed ſemper
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              eam exercent; fit vt in exiguis guttulis minima earum
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              grauitas ſuperari poſſit à vi compreſſiua aeris. </s>
              <s id="s.001796">Cùm è
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              contrà in guttis amplioribus vis grauitatis ſuperet
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              eiuſdem aeris vim compreſſiuam, & proindè depri­
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              mantur explanenturque in cauitatibus terræ. </s>
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              <s id="s.001797">
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              Cap. 8. cur
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              exiguæ aquæ
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              guttæ ſupra
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                <expan abbr="libellã">libellam</expan>
              aquæ
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              aſcendunt.</s>
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              PROP. CLXII.
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            <p type="main">
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              Aeris vis compresſiua non eſt cauſa tumoris rotundi
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              guttularum fluidi.
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              <s id="s.001800">HÆc profectò ſententia pluribus difficultatibus
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              obnoxia eſſe videtur, quia vt animaduertit
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              ingenioſiſſimus Portius amicus noſter, vis eiuſdem̨
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              aeris compreſſiua vnius, & eiuſdem roboris, & ener­
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              gię eſſe debet, igitur ſemper eumdem effectum pro­
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              ducere valet, & proindè quotieſcumque eius actio
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              exercetur contra duas inæquales reſiſtentias, maior,
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              & inſignior operatio efficietur in ſubiectum minùs </s>
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