Casati, Paolo
,
Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae
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verò quàm longè à veritate recedat, quid
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pluribus opus eſt explicare? </
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<
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quiſque eſt, qui turri octingentis talentis ex
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citatæ duûm triumue milliarium altitudi
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nem concedat? </
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<
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>Pharos igitur Inſula imma
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nis ſcopulus fuit 50 ſerè milliaria iuxta per
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pendiculum numerans; qua de re mirum
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apud ſcriptores omnes ſilentium: ac proin
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de tantæ altitudini parùm vtilis accidiſſet ſpe
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culæ acceſsio. </
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<
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>At ſtatuamus cum Eratoſthe
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ne telluris ambitum ſtadiorum 252000, &
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ſtadia ſingula ſint Alexandrina |ped. Rom.
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720., totus ambitus eſſet mill.Rom. 36288;
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igitur milliaria 600 eſſent gr. 5. m. </
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>57. Qua
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re vt Radius 100000.00000. ad 100541.
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64449. ſecantem gr.5.m. 57., ita ſemidia
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meter CB mill. 5775. paſſ. </
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>419. ad CD
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mill. 5806. paſſ. </
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>701: ex qua ſi auferatur ſe
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midiameter CA, remaneret altitudo AD
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mill. 31 & paſſ. </
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>282; quæ altitudo adhuc eſt
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immanis: & maior hac eſſet, ſi ſtadia illą
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252000. non. </
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<
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>Alexandrina ſed Græca aſſum
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pta fuiſſent; eſſet enim CD ſecans anguli
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DCB gr.7.m.8.ſec.38. Non itaque fieri po
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tuit, vt ex Alexandrinâ turri ad ſexcenta paſ
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ſuum millia proſpectus pateret. </
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>Longè minor eſt Phyſici Horizontis ſe
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midiameter, quàm vulgus cenſeat, ſi res Geo</
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