Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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<
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<
chap
id
="
N10019
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<
p
id
="
N12BEF
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type
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main
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<
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id
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N12C12
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<
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pagenum
="
92
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xlink:href
="
005/01/100.jpg
"/>
ex parte palmulæ. </
s
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<
s
id
="
N12C1A
">Et ſic qui in medio ſunt remi, eo quod ibi
<
lb
/>
latiſsima ſit nauis, longiſſimi ſunt,
<
expan
abbr
="
maximèq.
">maximèque</
expan
>
proinde nauim
<
lb
/>
promouent; qui verò puppim verſus, aliquantulum breuio
<
lb
/>
res; ac breuiſſimi, qui conſtituuntur ad proram, propter ean
<
lb
/>
dem rationem;
<
expan
abbr
="
ideoq.
">ideoque</
expan
>
minus, ac minus proportionaliter na
<
lb
/>
uem ipſam valent mouere, ſeu vniformiter difformiter. </
s
>
</
p
>
<
p
id
="
N12C2F
"
type
="
main
">
<
s
id
="
N12C31
">Exploratiſſimum eſt hoc experimentum,
<
expan
abbr
="
ratioq.
">ratioque</
expan
>
vt vidi
<
lb
/>
mus manifeſta. </
s
>
<
s
id
="
N12C3A
">Sed contra Ariſtotelem obijciunt Blanca
<
lb
/>
nus, & Baldus, quòd mare potius, quàm ſcalmus rationem
<
lb
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habere videatur fulcimenti. </
s
>
<
s
id
="
N12C43
">Siquidem ſcalmus eo quod af
<
lb
/>
fixus ſit naui, non manet, vt
<
expan
abbr
="
propriũ
">proprium</
expan
>
eſt fulcimenti, ſed fer
<
lb
/>
tur cum illa. </
s
>
<
s
id
="
N12C4E
">Quare in ipſorum ſententia, ita remus conſti
<
lb
/>
tuitur vectis, vt
<
expan
abbr
="
centrũ
">centrum</
expan
>
habeat in extremitate palmulæ, qua
<
lb
/>
mari adhæret, atque innititur tanquam fulcimento; pondus
<
lb
/>
<
expan
abbr
="
autẽ
">autem</
expan
>
ſit nauis, &
<
expan
abbr
="
potẽtia
">potentia</
expan
>
mouentis applicetur in manubrio. </
s
>
</
p
>
<
p
id
="
N12C62
"
type
="
main
">
<
s
id
="
N12C64
">Veruntamen non video cur mobilitas ac latio nauis cum
<
lb
/>
ſcalmo, obſtet quominus ipſe ſcalmus habeat rationem ful
<
lb
/>
cimenti,
<
expan
abbr
="
eaq.
">eaque</
expan
>
concedatur mari, quod non minus mouetur
<
lb
/>
per impulſum acceptum à palmula. </
s
>
<
s
id
="
N12C71
">Quapropter vel neu
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lb
/>
trum horum
<
expan
abbr
="
dicendũ
">dicendum</
expan
>
eſt, habere poſſe rationem fulcimen
<
lb
/>
ti, hoc eſt nec mare, nec ſcalmum; vel dicendum eſt vtrum
<
lb
/>
que illorum participare huiuſmodi rationem, vt exempli
<
lb
/>
gratia, ſi ponamus vectem AB interpoſitam eſſe inter
<
lb
/>
<
figure
id
="
id.005.01.100.1.jpg
"
xlink:href
="
005/01/100/1.jpg
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number
="
32
"/>
<
lb
/>
duos lapides CD, quorum C ſit verſus extremitatem B
<
lb
/>
retrorſum, D verò circa medium ipſius vectis antrorſum;
<
lb
/>
& potentia applicetur in extremitate A. </
s
>
<
s
id
="
N12C8D
">Etenim ſi extre
<
lb
/>
mum A impellatur antrorſum verſus E, D quidem
<
lb
/>
ſimul feretur in F & C retrocedet in G, vt cuilibet expe
<
lb
/>
riri fas eſt. </
s
>
<
s
id
="
N12C96
">Quapropter nulla eſſet maior ratio cur potius </
s
>
</
p
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</
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</
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