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

Table of figures

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              <s id="s.001951">
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              alia ſimili vnctuoſa materia, huius verò corporis re­
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              maneat vna pars FK eminens ſupra aquæ libellam̨,
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              vel emineat paries eiuſdem̨
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              vaſis, tunc conſtat experientia,
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              quòd aqua non perſiſtit in in­
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              fima eius libella horizontali
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              AK, ſed repit, aſcenditque per ſuperficiem
                <expan abbr="eleuatã">eleuatam</expan>
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              KG efformando priſma aqueum triangulare, cuius
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              ſectio eſt BGK, ibidemque retinetur ſuſpenditurque
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              mons prædictus aqucus,
                <expan abbr="">non</expan>
              ſecus ac ſi à pariete cur­
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              uo BG impediretur eius fluxus deorſum verſus
                <expan abbr="aquã">aquam</expan>
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              ſubiectam AB. </s>
              <s id="s.001952">Quia verò aqua non amittit
                <expan abbr="naturalẽ">naturalem</expan>
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              eius grauitatem, aſſignari debet cauſa à qua ſuſpenſa
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              retinetur, & quæ vis ipſam ſursùm prius impulit.
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              <s id="s.001953">Hæc profectò aut propria, & naturalis eſt ipſius aquę,
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              vt nimirùm ſponte ſua ſursùm aſcendat, ibidemquę
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              retineatur, aut hoc ſit ab aliqua cauſa violenta ex­
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              terna. </s>
              <s id="s.001954">Quòd verò non ſit vis propria, & natiua ipſius
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              aquæ, patet ex ſuperiùs dictis, quia nimirùm ſemper
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              aqua grauis eſt, exercetque ſuam vim compreſſiuam
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              versùs centrum telluris, vt ſenſus euidentia conſtat. </s>
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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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              <s id="s.001956">Alij poſtea recurrunt ad aeris vim compreſſiuam,
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              aiunt enim aerem
                <expan abbr="cõtiguum">contiguum</expan>
              interno vaſis parieti GK
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              minori energia ſubiectam aquam K comprimere,
                <expan abbr="quã">quam</expan>
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              aer HB à pariete remotus premat ſubiectam aquam
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              B, propterea quòd illa quodammodo ab aſperita­
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              tibus parietis retinetur, ac impeditur ne libero co­
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              natu, & fluxu premere queat aquam ſubiectam K
                <expan abbr="">cum</expan>
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              hæc vniuerſam ſuam grauitatis, & virtutis elaſticæ </s>
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