Casati, Paolo
,
Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae
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vt 15625 ad 75; materiem autem tantæ mo
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li neceſſariam nec modicâ pecuniâ nec ſinò
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multis operis comparari poſſe & elaborari
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palàm eſt. </
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lium locum transferendi pro multiplici ne
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ceſſitate, vix ſpes aliqua ſupereſſet. </
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VI
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Machina
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rum Com
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poſitio me
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lior eſt,
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earum Aug
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mentum, ſe
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cundùm ma
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gnitudinem
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<
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>Quamuis verò quinque alios inſuper cy
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lindros cum ſuis rotis adijcere opus eſſet, vt
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æquale pondus attolleretur, atque tuâ illâ
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quinque helicum coagmentatione; in diffi
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cultates tamen longè maiores incurrat arti
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fex, neceſſe eſt, qui cochleas quinque cum
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tympanis examuſſim congruentes formare
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iubeatur, ac ille qui decem aut plures axes
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in peritrochio effingere velit; in quibus fi
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guram exquiſitè rotundam ſi deſideret, ſu
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peruacuo ſe labore conficiat: neque enim
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anguli, ſi qui ſint, obeſſe quicquam poſſunt,
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modò poli, ſeu cardines, circa quos verſan
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tur, læues ſint ac politi. </
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Merſ.
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tam funium vim comparare, quæ ſatis eſſet;
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vt pondus ad vnius decempedæ altitudinem
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ſubleuaretur? </
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>Primùm enim funis, cui pon
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dus adnecteretur, decem pedes in longitudi
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ne haberet; igitur qui rotam primam A am
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biret, eſſet vt minimùm pedum 50. At rotæ
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ſecundæ motus eſſet prioris quintuplus, igi</
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