Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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PHYSICES ELEMENTA
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manifeſtè virium inæqualitatem indicat.</
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<
s
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">Hæ autem duæ cavitates conjunctæ æquales ſunt cavitati
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ſoli quæ in præcedenti experimento fuit formata, & </
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te demonſtrata cum Experimentis his exactiſſime congruunt.</
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">464.</
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Si enim, adhibito Circino Proportionum conferamus ſoli-
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da ſimilia, quorum latera homologa ſunt diametri trium
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cavitatum, S, T, V, (Fig. </
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<
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<
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formatarum, videbimus cavitates has eſſe inter ſe ut unum,
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duo, & </
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<
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ribus ſimul ſumtis. </
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patet.</
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<
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5.</
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cylindrus F; </
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fig. 6.</
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hic velocitate decem in obicem, incurrendo in ipſam cavita-
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tem jam formatamictu cylindri F; </
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nunc valebit ambas cavitates in Exper. </
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. </
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matas , & </
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timi.</
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<
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. </
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argillæ ſuperficiem compactiorem fieri & </
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dam acquirere in quo caſu Experimentum non procedit.
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cunque formatam, ſi corpus quod ultimum impingit non
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reſiliat, æqualem eſſe duobus cavitatibus, quæ iiſdem icti-
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bus ſeparatim formari potuiſſent; </
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tem incurrens quantumvis parwm reſiliat indicium habemus
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elaſticitatis argillæ, & </
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bus minorem ſemper detexi ſummâ cavitatum ſeparatarum,
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eoque minorem quo ictu acquiſita elaſticitas major erat, cla-
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re autem patet partes elaſticas argillæ difficilius intropremi
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quam aliæ quæ elaſticitate deſtituuntur. </
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experimento, quod jam præcedentibus patuit, alio modo
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demonſtramus.</
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6.</
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fig. 7.</
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