Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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deformando figuram ſphæricam, vnde infertur, quòd
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aqua nullo pacto poſſit
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pẽdula
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ſuſtineri in medio ae
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ris per aliquod tempus, neque poterit eleuari ſupra
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ſuperficiem ſupremam totius aquæ ſubiectæ,
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abbr
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efficiẽ-do
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do</
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nimirùm montuoſitates aqueas, vel ſponte ſua a
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ſcendendo per cauitates fiſtularum ſupra aquæ infi
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mam libellam eleuatarum. </
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perſuadet, ſed etiam ſenſus euidentia oſtendit iņ
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grandioribus aquæ portionibus. </
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Cap. 8. cur
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exiguæ aquę
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guttæ ſupra
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libellã
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aquæ
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aſcendunt.</
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">E contrà videmus in paruis guttulis aquæ, & reli
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quorum fluidorum vniuerſalem regulam prædictam̨
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minimè verificari; aquæ enim guttæ in folijs
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abbr
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arborũ
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non intra earum cauitates ſtagnantes quieſcunt, ex
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plananturque, ſed tumidæ eleuantur vt monticuli, &
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ſphæricam figuram quodammodò affectare
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vidẽtur
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.
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ramis arborum, neque à naturali earum grauitatę
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deorsùm impelluntur; imò ſi prædictæ guttulæ pen
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dulæ à contactu digiti, vel feſtucæ deorsùm leuitèr
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trahantur, ceſſante vi externa ſponte ſua aquea illą
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mammilla retrahitur
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ſursũ
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; ſimiliter in fiſtulis tenuiſ
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ſimis, in
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ſpõgijs
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, atque in filtris manifeſtè aqua
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ſpõ-te
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te</
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ſua aſcendit ſupra libellam aquæ ſubiectæ. </
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que doctrina illa vniuerſalis æquilibrij in dubium re
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uocari nequeat, neceſsè eſt vt aliæ nouæ cauſæ, quæ
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in hiſce guttulis fluidis operantur, efficiant
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prædictã
">prædictam</
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effectuum diuerſitatem, quam dignoſcere èrit ope
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ræpretium. </
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In guttis exi
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guis pertur
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batur vni
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uerſalis re
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gula, quą
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fluida vt gra
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uia explana
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ri debeant.</
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<
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