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

Table of figures

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              & proindè prohibetur impeditur que actio compreſ­
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              ſiua prædicti aerei cylindri ſupra aquam ſubiectam.
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              <s id="s.001455">Vis ergo & conatus manus embolum eleuantis sem­
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              per eidem reſiſtentiæ opponitur, nempèſuſpendit e­
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              leuatque eumdem cylindrum aereum ſupra
                <expan abbr="embolũ">embolum</expan>
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              incumbentem, igitur ſemper eadem vis, idemque co­
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              natus manus requiritur ad
                <expan abbr="ſuſtinẽdum">ſuſtinendum</expan>
              prædictum ae­
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              reum cylindrum, & ad prohibendam eius compreſſi­
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              onem ſupra aquam ſubiectam. </s>
              <s id="s.001456">Hinc inferebat, igitur
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              ſiue in tubo cteſibico ſupra libellam ſubiecti putei a­
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              qua magis, vel minùs eleuetur ſemper eadem vi, &
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              energia manus ſuſpendere embolum, & conſequen­
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              ter aquam eleuare poterimus, ſed hoc eſt falſum, &
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              contra experientiam, cùm ſemper maior vis, & cona­
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              tus requiratur, quo aqua ad maiorem altitudinem in
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              tubo pneumatico eleuatur, igitur falſum eſt aquam̨
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              eleuari, propterea quòd ſuſpenditur prohibeturque
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                <expan abbr="cõpreſſio">compreſſio</expan>
              cylindri aerei ſupra embolum prædicti in­
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              ſtrumenti. </s>
              <s id="s.001457">Cùm è contrà ſi reuera vi attractiua à ma­
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              nu embolum trahente ſubleuatur aqua, manifeſtum̨
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              eſt, quòd quò altiùs aſcendit maior aquæ copia, pro­
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              indè grauior moles ſupra putei libellam ſuſpenditur
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              eleuaturque, mirum non eſt maius pondus aquæ à
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              maiori vi ſuſtentari eleuarique debere, quam minor
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              aquæ copia.
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