Musschenbroek, Petrus van
,
Physicae experimentales, et geometricae de magnete, tuborum capillarium vitreorumque speculorum attractione, magnitudine terrae, cohaerentia corporum firmorum dissertationes: ut et ephemerides meteorologicae ultraiectinae
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CORPORUM FIRMORUM.
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nis, alterum Gigantis triplo majoris, exhibuit, quæ quoque in
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noſtra Tab. </
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<
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craſſa non habuerint oſſa, tum ex materia multo duriore magisque
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reſiſtente quam noſtra ſunt, formata fuerunt. </
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<
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malia maxima genuit longiſſimis inſtructa oſſibus, uti Balænas,
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piſceſque alios, verum his conceſſit aquam, non Aërem, pro me-
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dio, in quo ſeſe moveant; </
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rem circiter uti 800 ad 1, hinc animalis & </
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tantundem decreſcit, unde graciliora oſſa, quam quæ ope hujus
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Propoſitionis determinarentur, ſufficiunt.</
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tum gravitatis ad Cohærentiam ſit in quacunque ratione, con-
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ſtruere aliud parallelopipedum o e a k, baſeos proportionalis ad E A F,
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in quo momentum gravitatis ad Cohærentiam ſuam ſit in eadem
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ratione.</
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= a b c. </
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baſes amborum parallelopipedorum ponuntur proportionales, erit E F,
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E A:</
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ſit, a k = z. </
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tum ex gravitate = {1/2} {a f f z z.</
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amborum momenta ex gravitate ad ſuas Cohærentias ſupponuntur
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in eadem ratione, erit {{1/2} a f f z z.</
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/b b}:</
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citur z = {c c f.</
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