Theodosius <Bithynius>; Clavius, Christoph
,
Theodosii Tripolitae Sphaericorum libri tres
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<
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">IN ſphæra parallelos A B, C D, E F, ſecet in H, O; </
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men per polos, circulus maximus GHIKLMNO, ſitque ſupra hemiſphæ-
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rium G B L, polus conſpicuus P, occultus
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autem Q Dico arcum O B H, maiorem eſſe,
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quàm vt ſimilis ſit arcui N D I, & </
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iorem, quàm vt ſimilis ſit arcui M F K. </
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polum enim parallelorum P, & </
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deſcribãtur duo circuli maximi P I, P N, ſe-
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cantes parallelum A B, ſupra circulũ G I L N,
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in R, S: </
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<
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milis. </
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cu R B S, maior quoque erit, quam vt ſimilis
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ſit arcui N D I. </
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arcum N D I, maiorem eſſe, quàm vt ſimilis
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ſit arcui M F K, ſi nimirum per polum P, & </
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puncta K, M, duo alij circuli maximi deſcri-
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bantur. </
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<
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xml:space
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demonſtrandum erat.</
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cum N D I, ſui paralleli, &</
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eſt arcus I D N, ſui paralleli, cum hi arcus demonſtrati ſint eſſe ſimiles, &</
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ximos circulos inclinentur, ille cuius polus ſubli-
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mior ſupra planum ſubiectum eſt, inclinatior erit:
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</
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">illi vero circuli, quorum poli æqualiter diſtant à ſu
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biectis planis, æqualiter inclinantur.</
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libus A B C D, E F G H,
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quarum centra I, K,
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ad circulos maximos
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A B C D, E F G H, quo
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rum poli L, M, incli-
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nẽtur duo circuli ma-
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ximi B N D, F O H, quo-
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rum poli, P, Q; </
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primum polus P, ſubli-
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mior ſupra planum cir
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culi A B C D, quàm po
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lus Q, ſupra planũ cir-
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culi E F G H. </
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