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

Table of figures

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              <s id="s.001991">
                <pb pagenum="376" xlink:href="010/01/384.jpg"/>
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              ritatibus internis vitri, & ideò eodem debiliori, &
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              imminuto momento pellit aquam CD ſursùm, impe­
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              ditque eius deſcenſum. </s>
              <s id="s.001992">E contrà aer ſupernè nil fe­
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              rè impeditus premit deorsùm aquam D orificio B pe­
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              nè contiguam, igitur non ſecùs, ac priùs aer totali
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              momento eius deorsùm impellit aquam DC: ab hoc
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              verò momento non ſubtrahitur, immò ei additur
                <expan abbr="põ-dus">pon­
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                dus</expan>
              aquæ DC, igitur momentum, quo aqua DC im­
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              pellitur deorsùm maiori exceſſu, nempè duplò ſupe­
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              rat vim, qua ſursùm repellitur, ſcilicèt æqualis eſt
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              duplo ponderis aquæ DC, ſed priùs medietas prędi­
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              cti exceſſus, non obſtante fiſtulæ interna ariditate, a­
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              quam ſursùm celeri motu eleuauerat, igitur multò ce­
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              leriùs, & faciliùs in
                <expan abbr="ſecũdo">ſecundo</expan>
              caſu à duplici exceſſu vir­
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              tutis motiuę deprimi aqua DC deorsùm deberet per
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              aridum canalem CA, ſed hoc eſt falſum, nam aquą
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              DC quieſcit, aut tardiſſimo motu deſcendit versùs
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              A, ergò non eleuatur aqua in fiſtula ob inæquales ae­
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              ris impulſiones. </s>
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            <p type="margin">
              <s id="s.001993">
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              Cap. 8. cur
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              exiguæ aquę
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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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            <p type="main">
              <s id="s.001994">Tandem quod interna vitri ſcabrities non impel­
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              lat illam aquæ exiguam molem, ſatis apertè confirma­
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              tur ijſdem rationibus adductis in fine propoſitionis
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              183. Igitur & c. </s>
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            <p type="main">
              <s id="s.001995">
                <emph type="center"/>
              PROP. CLXXXIV.
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            <p type="main">
              <s id="s.001996">
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                <emph type="italics"/>
              Quare aqua ab ima fiſtulæ parte in aere conſtitutæ non
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              defluat rationem reddere.
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                <emph.end type="center"/>
              </s>
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            <p type="main">
              <s id="s.001997">MOdò remanet difficultas, quare ſcilicèt in infi­
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              mo fiſtulæ confinio in aere conſtitutæ impe-</s>
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