Clavius, Christoph
,
In Sphaeram Ioannis de Sacro Bosco commentarius
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179
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Comment. in I. Cap. Sphæræ
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ni HI: </
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<
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<
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<
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xml:space
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">Perſpicue igitur uides, ortũ æquino-
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ctialẽ B, & </
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<
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<
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<
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hyemalẽ I, ſecundum rectam lineam F I; </
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ſum æſtiuum G, per lineam rectã GH,
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fig-178-01
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fig-178-01a
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60
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178-01
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/178-01
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ſibi mutuo reſpondere; </
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<
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</
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<
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xml:space
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">Quod quidẽ phænomena Aſtronomo-
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rũ teſtantur, aſſumiturq. </
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<
s
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xml:space
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">ab Euclide in
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principio φαινομένων vt certiſſimũ, aſ-
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ſeriturque à Plinio lib. </
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<
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<
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tia omniũ Aſtrologorũ. </
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<
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">Collocetur de
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inde terra in axe mũdi extra Aequato-
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rẽ, nẽpe in K. </
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">Quo poſito, luce clarius
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cõftat, totũ oppoſitũ accidere. </
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<
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">Occaſus
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enim hyemalis I
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; </
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<
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">per lineam rectã, quæ
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per terrã extenditur, nõ amplius reſpõ-
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debit ortui æſtiuo F, ſed puncto L: </
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<
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liter occaſus æſtiuus G, puncto M, non
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antem ortui hyemali H, reſpondebit.</
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<
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terra nec in plano Aequinoctialis circuli, nec in a@e-
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mundi eſſet poſita, ſed alibi, in omnia prædicta abſurda incideremus, vt facile
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quiuis ex ijs, quæ dicta ſunt, deducere poteſt. </
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<
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xml:space
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">In ſphæra enim recta nullum fie-
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ret æquinoctium, & </
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">in ſphæra obliqua ille tantum Horizon ſecaret ſphæram
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per æqualia, qui tranſiret per centrum mundi; </
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">Confundereturq́ue vniuerſa ſe
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ries in decrementis dierum, ac noctium, &</
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<
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ratio deſumpta etiam ex Ptolemæo loco citato, qua quoq.
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</
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<
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xlink:label
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note-178-01
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xlink:href
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note-178-01a
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xml:space
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">Alia ratio
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Ptolemæi
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probãs ter-
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ram in me-
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dio mundi
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eſſe.</
note
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vtitur Auerrores lib. </
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<
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">de cœlo, eſt talis. </
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<
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xml:space
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">Si terra uon eſſet in medio mundi ſita,
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non fierent eclipſes Lunæ ſemper, quando duo luminaria per diametrũ oppo-
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nuntur, ſed plerunq. </
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<
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fig-178-02
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fig-178-02a
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61
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178-02
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xlink:href
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/178-02
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</
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quando nõ exiſtunt in locis Zodiaci
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oppoſitis, quod falſum eſt. </
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ſiquidem experientiæ Aſtronomorũ,
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tum demũ fieri eclipſim Lunæ & </
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per, quando Luna Soli opponitur,
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aliàs nunquam. </
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<
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">Sit enim centrum
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mundi A, in quo ſi ponatur terra,
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manifeſtum eſt eclipſim fieri, quan-
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do luminaria per diametrum oppo-
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nuntur, quia nimirum tunc ipſa ter-
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ra interponitur inter vtr
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ũque; </
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do uero non ſunt per diametrum
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oppoſita, nullam poſſe eſſe eclipſim.
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</
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<
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">Nam terra non poteſt tunc eſſe im-
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pedimento, quò minus Luna à Sole illuſtretur. </
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<
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">Quòd ſi terra extra centrum
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ſedem habeat, vt in B, poterunt duo luminaria in punctis Zodiaci oppoſitis
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exiſtere, & </
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<
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">tamen nulla fieri eclipſis, quòd terra non reperiatur in illa mundi
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diametro, ſecundum quàm opponuntur. </
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<
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rimum, quando minus à Sole diſtat, quàm ſemicirculo. </
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ſectus tunc demum in oppoſitis per ſemicirculum locis fieri poteſt, </
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