Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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<
archimedes
>
<
text
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<
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<
chap
id
="
N10019
">
<
p
id
="
N15BAB
"
type
="
main
">
<
s
id
="
N15BD5
">
<
pb
pagenum
="
195
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xlink:href
="
005/01/203.jpg
"/>
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figure
id
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id.005.01.203.1.jpg
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xlink:href
="
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number
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71
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<
lb
/>
tanquam in manubrijs,
<
expan
abbr
="
nimirũ
">nimirum</
expan
>
in BD. </
s
>
<
s
id
="
N15BEA
">Conſideretur dein
<
lb
/>
de vtrum que brachium tanquam duplicem vectem moueri
<
lb
/>
circa immotum fulcimentum E; ita vt ad motum B verſus
<
lb
/>
D, alterum extremum nempe C appropinquetur ad A; & è
<
lb
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conuerſo, ad motum D verſus B, ipſum A appropinquetur
<
lb
/>
ad C. </
s
>
<
s
id
="
N15BF8
">Tunc dicimus nucem, quę quidem tanquam pondus
<
lb
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ab vtroque extremo duplicis vectis AC pellitur ac repelli
<
lb
/>
tur, facilè comprimi, ac tandem nimia compreſſione con
<
lb
/>
fringi, ſiquidem dum magis ac magis ipſa extrema AC ad
<
lb
/>
inuicem appropinquantur, neceſſariò quæ inter ipſa interci
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lb
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pitur, nucem comprimunt, & comprimendo confringunt. </
s
>
</
p
>
<
p
id
="
N15C05
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type
="
main
">
<
s
id
="
N15C07
">Addit autem primò Ariſtoteles, quo
<
expan
abbr
="
lõgiora
">longiora</
expan
>
fuerint bra
<
lb
/>
chia huius inſtrumenti à connexione ipſorum ſeu
<
expan
abbr
="
fulcimẽto
">fulcimento</
expan
>
<
lb
/>
ad extrema, quibus applicatur potentia: & ex alia parte, quo
<
lb
/>
breuiora eadem brachia fuerint à conexione ſeu
<
expan
abbr
="
fulcimẽto
">fulcimento</
expan
>
<
lb
/>
ad nucem, eo facilius confractionem fieri; ac proinde à mi
<
lb
/>
nori potentia, ita vt id ipſum quod cum percuſſione feciſſet
<
lb
/>
pondus, præſtetur à binis explicatis vectibus in contrarium
<
lb
/>
ſeſe conantibus, & comprimentibus ipſam nucem; cuius
<
lb
/>
reſiſtentia gerit vicem ponderis. </
s
>
</
p
>
<
p
id
="
N15C26
"
type
="
main
">
<
s
id
="
N15C28
">Secundo verò addit Ariſtoteles, eò
<
expan
abbr
="
maiorẽ
">maiorem</
expan
>
fieri vectium
<
lb
/>
ſeu brachiorum dilatationem,
<
expan
abbr
="
quõ
">quom</
expan
>
propinquius fulcimento,
<
lb
/>
ſeu angulo connexionis eorum nux confringenda conſtitua
<
lb
/>
tur, quia nimirum vterque angulus ad verticem ab illis
<
expan
abbr
="
cõ-ſtitutus
">con
<
lb
/>
ſtitutus</
expan
>
, per talem appropinquationem dilatatur (nempe
<
lb
/>
AEC. & BED.) & cum angulo ipſa quoque brachia, quæ
<
lb
/>
angulum conſtituunt, ita vt magis tunc diſtare oporteat in
<
lb
/>
ter ſe extrema AC, ſicut & DB,
<
expan
abbr
="
cũ
">cum</
expan
>
maius ſit latus, quod ſub </
s
>
</
p
>
</
chap
>
</
body
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</
text
>
</
archimedes
>