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 ſcripſerunt, evolverunt ſcripta: </
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<
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xml:space
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tiſicia magnetica ſpectat, qualia congeſſerunt plurima Kircherus,
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Schottus, Pugettus, aliique: </
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<
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candam Scientiam Phyſicam; </
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<
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xml:space
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">attendere tantummodo volui ad pro-
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prietates Magnetis, in iisque eruendis laborem impendere. </
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<
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quam autem rem ipſam aggrediamur, nonnulla quæ Magnetem ſpe-
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ctant prænoſcenda ſunt.</
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</
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<
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xml:space
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quibus Ferrum elicitur: </
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<
s
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xml:space
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">nulla Terrarum orbis pars eſt, quæ non
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præſtantes profert Magnetes, imo de meliori virtute diſputant æque
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inter ſe Aſiatici & </
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veniuntur.</
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</
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<
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<
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Claudianus cecinit:</
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Veſcitur, has dulces epulas, hæc pabula novit.</
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<
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minus ſimilis videtur miner alibus, & </
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in Idololatr. </
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bentes quam Lapidis. </
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gineo; </
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guete fuſo optimæ notæ Ferrum Chalybsque præparari poſſit: </
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<
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etiam confirmat Lemmery in Curſu Chemiæ, cap. </
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gnum requiri ignem. </
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ideo vocat Magnetem, matrem Ferri, quæ Filii odorem percipit,
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quia amat. </
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foſſili & </
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">poroſo, quem Belgice Hardſteen vocamus, multaque per
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ſecula corroſum in rubiginem, atque ulterius poris lapidis infuſum
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cum illapſa pluvia, abit cum eo in præſtantiſſimos Magnetes, non di-
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ſtinguendos a foſſilibus colore, duritie, aut pondere: </
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ta ferrea exſciſſa ex templis Trajectinæ urbis antiquiſſimis conſervo,
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quæ eximiam vim attrahendi ferrum & </
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<
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magnetica ferramenta paucos ante annos Delphis quoque in ſummo
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apice vetuſſiſſimi templi ſunt reperta, quorum nonnulla exploravi:</
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