Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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<
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pagenum
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91
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xlink:href
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005/01/099.jpg
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type
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head
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<
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">COMMENTARIVS.</
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</
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<
s
id
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">Svpponit hic Ariſtoteles ab experientia, quod nos in
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fra ratione probabimus, remiges in nauis medio remi
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gantes, magis nauem mouere, quàm ſi in prora, vel
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puppi remigarent, ſiue quàm alij, qui æquali conatu, ac vir
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tute ſimul remigant in alio ſitu. </
s
>
<
s
id
="
N12BC0
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<
expan
abbr
="
Cauſamq.
">Cauſamque</
expan
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problematicè
<
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ſciſcitando, vt ſolet præmittit, Remum vectem eſt, ſcal
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mum verò fulcimentum, & mare conſtitui pondus, quod per
<
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remum propellitur à remige tanquam à vectem mouente.
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</
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<
s
id
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N12BCF
">Deinde ſic argumentatur: Tanto magis mouens adhibito
<
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vecte pondus mouet, quanto magis extremum vectis vbi
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virtutem applicat diſtat a centro, ſeu fulcimento: At in
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medio nauis, remi manubrium ſiue extremum, in quo vir
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tus remigis applicatur, magis diſtat à ſcalmo, qui conſtitui
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tur fulcimentum: Ergo magis pariter nauem mouebit re
<
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miger in illo ſitu, quàm in alio, vt in prora, vel puppi. </
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>
<
s
id
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N12BDE
">Quod
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autem manubrium remi exiſtentis in medio nauis, magis
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diſtet à ſcalmo, probat ex eo, quòd nauis in medio, latior
<
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eſt, quàm verſus proram, vel puppim;
<
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abbr
="
proindeq.
">proindeque</
expan
>
pars remi,
<
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quæ intus eſt, ſiue vbi manubrium, longior pariter eſt iuxta
<
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proportionem, quam habere debet cum ſitu. </
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>
</
p
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<
p
id
="
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type
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main
">
<
s
id
="
N12BF1
">Ex quo Ariſtoteles aliam quoque rationem deſumit,
<
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quam cum priori (perobſcurè tamen) connectit: Quia ni
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mirum adhuc foris pars remi in medio nauis conſtituti, lon
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gior eſt iuxta proportionem prædictam, quæ ad commodi
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tatem remigationis ſemper ſeruatur in vſu. </
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>
<
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id
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N12BFC
">Longior autem
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remi pars externa, ſeu palmula, maiorem aquæ portionem
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diuidit, ac propellit, magiſque propterea nauem promouet,
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quàm quæ breuior eſt ratione proportionis, ac ſitus. </
s
>
<
s
id
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N12C05
">Quare
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obſeruandum eſt, eam eſſe debitam remorum proportio
<
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nem inter ſe, quæ eſt inter ſitum, & ſitum nauis vbi conſti
<
lb
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tuuntur, ita vt vbi latior fuerit nauis, ibi productiores remi
<
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conſtituantur ex vtraque parte ipſorum, quæ eſt vtrinque à
<
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scalmo. </
s
>
<
s
id
="
N12C12
">Hoc eſt tam intus ex parte manubrij, quàm foris </
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