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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DE MAGNETE.
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ſuperficiei occupat, eo plus virium a Magnete recipit, atque eo majus
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pondus Ferri elevabit. </
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<
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differat a gravitate, quæ eſt in ratione ſoliditatis corporum, ſive in
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eorum Diametrorum ratione triplicata: </
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Magnetis non poſſe pendere a lege Naturæ, quâ poſitis corporibus
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duobus, ad ſe acceſſus fiet, quippe tum vis foret in ratione quan-
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titatis corporeæ, hoc eſt utigravitas, cum ea nunc obſervatur in ra-
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tione ſuperficiei corporeæ tantum exiſtere.</
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">Æqualis vis bonorum Magnetum inermium, non ſenſibiliter inæ-
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qualium vi, ſimilis figuræ & </
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">poſitionis, ſed inæqualis magnitudi-
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nis, eſt aliquando paulum major vel minor, quam in ratione ſuarum
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Diametrorum.</
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<
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tis; </
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">attamen fatetur magnam eſſe difficultatem determinandi, an
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diverſi Magnetes, aut diverſæ partes ejuſdem Magnetis ſint æque
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bonæ, ut fere perveniri nequeat ad aliquem accuratum ſucceſſum
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Experimenti.</
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