Benedetti, Giovanni Battista de
,
Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]
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EPISTOLAE.
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229
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0229
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http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/pageimg/0229
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">Falſum eſt etiamid quod cap .3. lib. 6. pronuntiat, ita dicens.</
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<
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">Quod cum verum eſſet à parte
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inſularum quæ azore dicuntur, pyxidem
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verſus eum ventum qui vulgò Græcus dicitur, & ab occidentali verſus eum qui Ma
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giſter dicitur, vergere, huius rei nulla eſt ratio.</
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<
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<
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">Ego enim huiuſmodi rationem reperiri poſſe contendo, quæ talis eſt, quia pars
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roſæ (ut vocant) à magnete tacta, ad aliquod punctum, aut ſitum globi terrę, in eo-
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dem meridiano inſularum, quæ Azore dicuntur, vltra ſitum poli arctici in terra diri-
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geretur, ita vt ſitus dicti poli in terra eſſet in dicto meridiano, inter locum qui ab in
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dice roſæ aut pyxidis reſpiceretur, & dictas inſulas, id quod ſuperius ſcripto meridia
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no facile cognoſci poteſt, ſumendo pro inſulis ſitum
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in meridiano et
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pro polo,
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et
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pro loco qui à pyxide ſit viſus,
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deinde pyxidem in
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magis orienta
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li quam eſt
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clarum eſt lineam quæ reſpicit (ponamus)
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>f.p.</
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verſus Græcum & ab alia
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parte verſus Magiſtrum declinare.</
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">AD EVNDEM.</
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<
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">CVm ſæpe viderim quam in magnis æquoribus nos fallant,
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decipiant mari
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timæ, ſeu nauigatoriæ chartę, quemadmodum aliquoties inter nos ſermonem
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habuimus: </
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">in id totus incubui vt aliquam machinam excogitarem, quæ difficilis non
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eſſet,
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vt nauis ſuper aquę globum, beneficio circulorum maiorum, quam
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optimè poſſet, ideſt breuiſſimo itinere ab uno loco
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alium ferretur. </
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mihi ex
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animi voto ſucceſſurum putaui, beneficio
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circulorum circundantium
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globum
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& maritimum, quales ij ſunt qui in inferiori Germania à Gerardo
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Mercatore ſtruuntur, qui vno pede cum dimidio diametri conſtet, ideſtſeſquipede.</
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<
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circa quem duo circuli, aut cir
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