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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quidem ſufficienter, explicare licet. </
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<
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xml:space
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">Quod â confeſſione ignoran-
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tiæ totius cauſæ non differt, & </
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<
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xml:space
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">quam poſtea in programmate Inau-
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gurali de partialitate Acus Magneticæ agnovit, dicendo in §. </
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<
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xml:space
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">Genuinam inimicitiæ atque amicitiæ polorum Magnetum, vel A-
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cus Magneticæ cauſam eſſe incognitam ſe credere. </
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<
s
xml:id
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echoid-s1800
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xml:space
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preserve
">Propterea con-
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venit hic apprime Aphrodiſæi dictum, qui cum attentiſſimus ad
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Magnetem fuerat, ejus vim attractricem ſoli Deo notam excla-
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mat: </
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<
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">Si Galenum & </
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<
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xml:space
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">Avicennam conſulamus, hi vim Magnetis
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non comprehendentes, divinam eſſe judicant: </
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<
s
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xml:space
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">quod ſi teſtimo-
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nia plurium Eruditiſſimorum Virorum afferre vellem, qui exa-
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minatis ſollicite Magneticis phænomenis, cauſam eorum huc uſ-
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que latere confitentur, etiam Camerarium prudenter in Epiſtolis
<
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Taurinenſibus diſſerentem afferrem, fatentemque ingenue rationes
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Magneticorum effectuum eſſe adhuc quam maxime occultas, & </
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<
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ciatim quidem illas, quæ declinare Magnetem cogunt: </
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<
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xml:space
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">cui quoque
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eximius Wolfius in Cogitatis Ingenioſis adſtipulatur. </
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<
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xml:space
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">Ex noſtris
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enim hactenus allatis experimentis & </
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<
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">argumentis conſtat, non eſſe
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eam quærendam in Effluviis Magneticis, aut in ambientis fictitii æthe-
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ris vorticibus, nam (Whiſtoni liceat uti verbis) divinare nequeo ejuſ-
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modi motum Fluidi ſubtilis pertinentis ad Magnetem quod vim attra-
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ctricem in ratione reciproca ſesquiduplicata diſtantiarum exerceret; </
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& </
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<
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">ſi talem Fluidi motum concipere poſſem, id non ſufficeret ad po-
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nendum, ejuſmodi Fluidum eſſe veram cauſam horum phænome-
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norum, quemadmodum Coteſius recte obſervavit in ſimili caſu in
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Præfatione Operis Newtoni. </
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<
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">An autem conſiſtit in Blaſmotivo & </
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locali, prout Helmontius voluit? </
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<
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xml:space
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">Sed hoc nihil eſt præter mera
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verba, quæ a nemine intelliguntur. </
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<
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xml:space
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">An vero erit anima, Spiri-
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tus aliquis Univerſalis Magnetis motor, ut Hermes, Zoroaſter,
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Orpheus, aliique Seriores Philoſophi crediderunt? </
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<
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xml:space
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">tum profecto cauſa
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mechanica non erit: </
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<
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">verum prius hujus Spiritus exiſtentia, & </
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inde ejus facultas attrahendi, aut apprimendi corpora demonſtranda
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foret, quod huc uſque fieri non potuit; </
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<
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xml:space
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">niſi per illum intelligamus
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DEUM, Sapientiſſimum Auctorem omnium, quæ in Univerſo exi-
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ſtunt, primum motorem omnium potentiſſimum, per cujus vim & </
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efficaciam effectus Magnetici fierent, fluerentque immediate abſque
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ulla alia, vel ſine pluribus intercedentibus cauſis; </
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