Monantheuil, Henri de
,
Aristotelis Mechanica
,
1599
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pluribus diuiſum orbiculis, minus id eſt leuius apparet. </
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">Itaque quo
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niam facilius eſt mouere pondus vecte: quam manu, & trochlea ve
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ctis eſt, facilius erit trochlea: quam manu.
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<
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">Pluſquam in dupla.]
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Quò plures ſunt orbiculi in trochleis, eò
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quidem facilius, & minore vi pondus trahitur, vt eſt demonſtra
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tum à Guido Vbaldo prop. 3. & aliquot ſequentibus in tractatu de
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trochlea. </
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<
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id
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">Sed etiam vbi ſunt plures, ibi lentior eſt tractio, quia po
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tentia in æquali tempore, ſpatio ſecundum duplum, triplum, & ſic
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deinceps ampliori ſine huiuſmodi trochleis idem pondus moueret: ſi
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quidem per ſe ſufficiat. </
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<
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id
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">Vnde arbitror hûc irrepſiſſe mendum in vo
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cabulo
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<
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el
">ta/xei</
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<
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pro
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<
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">logw|</
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vel
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pro
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tollendo
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vel potius pro
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reponendo
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ſic enim ſententia vera erit.
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>Hoc vero duæ trochleæ plus non in dupla velocitate
<
expan
abbr
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attollẽt
">at
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tollent</
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. </
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Cæterũ
">Cæterum</
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quomodo per trochleas, quanto
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tẽpore
">tempore</
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, & ſpatio, pon
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dera moueantur,
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abbr
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quodnã
">quodnam</
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>
ſuperioris & inferioris trochleæ fuerit offi
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cium, orbiculorum diametri vt moueantur, vt in omni ratione quæ
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in numeris eſt, pondus & potentia ſtatui poſsint, quæ omnia certè
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ſcitu digniſsima ſunt Geometricè demonſtrata, qui ſcire volet, vi
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deat apud Guidum Vbaldum prædicto tractatu, ne maior pars il
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lius præſtantiſsimi operis, quod edidit de mechanicis, mihi ſit hûc
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transferenda. </
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<
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id
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">Huic verò loco non poſſum non inſerere vnam ma
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chinam e ſex trochleis: & funiculis quinque compoſitam ( è pluri
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bus componi, ſi vſus poſtulet, nihil obeſt ) mira celeritate, & funis
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ductarij paucitate atque compendio pondus attollentem, quam mihi
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communicauit Georgius Lhullierius vir ſine honoris titulo
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nũquam
">nunquam</
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>
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mihi nominandus, propter
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ſuũ
">ſuum</
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in artes mathematicas &
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mathematũ
">mathema
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tum</
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ſtudioſos
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abbr
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quãdiu
">quandiu</
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vixit ſingularem
<
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abbr
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amorẽ
">amorem</
expan
>
. </
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<
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id
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">Machina eſt eiuſmodi,
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ſit tignum A B perpendiculariter inſiſtens, cui etiam ad rectos al
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terum in ſiſtat vt C D: ſint ſex trochleæ E, F, G, H, I, K,
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funiculi quinque L A, N M, Q P, S R, B T, quorum pri
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mus circumuoluitur circa duos orbiculos E & F in extremis ti
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gnorum circa ſuos axiculos mobiles reliquorum ſinguli circa ſingu
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los à proximè antecedentibus funiculis ſuſpenſos. </
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<
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id
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">In X autem ſit
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harpago ad apprehendendum pondus E attollendum vel deprimen
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dum. </
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<
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id
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">Si enim extremum L ab harpagone V liberetur, & ad A
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traducatur, deſcendet vno quaſi nictu oculi pondus E, tantum
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