Aristoteles
,
Quæstiones Mechanicæ
,
1585
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511
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Mechanicæ.
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fenſui ſunt pondera: </
s
>
<
s
xml:id
="
echoid-s189
"
xml:space
="
preserve
">in magis
<
reg
norm
="
aunt
"
type
="
context
">aũt</
reg
>
maniſeſta: </
s
>
<
s
xml:id
="
echoid-s190
"
xml:space
="
preserve
">ni
<
lb
/>
hil enim prohibet minorem moueri magnitudi
<
lb
/>
nem,
<
reg
norm
="
quam
"
type
="
simple
">ꝗ̃</
reg
>
vt viſioni ſit maniſeſta. </
s
>
<
s
xml:id
="
echoid-s191
"
xml:space
="
preserve
">In magna
<
reg
norm
="
aunt
"
type
="
context
">aũt</
reg
>
li-
<
lb
/>
bra idem pondus viſibile efficit magnitudo. </
s
>
<
s
xml:id
="
echoid-s192
"
xml:space
="
preserve
">Quę
<
lb
/>
dam verò manifeſta quidem ſunt in
<
reg
norm
="
vtriſque
"
type
="
simple
">vtriſq;</
reg
>
</
s
>
<
s
xml:id
="
echoid-s193
"
xml:space
="
preserve
">, ſed
<
lb
/>
multo magis in maioribus, qm̄ multo maior in
<
lb
/>
clinationis fit magnitudo ab eodem
<
reg
norm
="
perondere
"
type
="
simple
">ꝑondere</
reg
>
<
lb
/>
in maioribus. </
s
>
<
s
xml:id
="
echoid-s194
"
xml:space
="
preserve
">Quamobrem machinanturij, qui
<
lb
/>
purpuram vendunt, vt pendendo defraudent,
<
reg
norm
="
tum
"
type
="
context
">tũ</
reg
>
<
lb
/>
ad medium ſpartum non ponentes: </
s
>
<
s
xml:id
="
echoid-s195
"
xml:space
="
preserve
">tum plum-
<
lb
/>
bum in alteraruram libræ partem infundentes:
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s196
"
xml:space
="
preserve
">aut ligni gđ ad
<
reg
norm
="
radicem
"
type
="
context
">radicẽ</
reg
>
vergebat, in eam quam de
<
lb
/>
ferri vola
<
unsure
/>
nt, partem conſtituentes; </
s
>
<
s
xml:id
="
echoid-s197
"
xml:space
="
preserve
">aut ſi nodum
<
lb
/>
habuerit: </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">ligni enim grauior illa eſt pars, in qua
<
lb
/>
eſt radix, nodus vero radix quædam eſt.</
s
>
<
s
xml:id
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xml:space
="
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"/>
</
p
>
<
p
>
<
s
xml:id
="
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"
xml:space
="
preserve
">Cut
<
reg
norm
="
ſiquidem
"
type
="
context
">ſiquidẽ</
reg
>
ſurſum ſuerit
<
reg
norm
="
ſpartum
"
type
="
context
">ſpartũ</
reg
>
,
<
reg
norm
="
quando
"
type
="
wordlist
">qñ</
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>
<
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="
deorsum
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type
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>
lato
<
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/>
<
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right
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xlink:label
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note-0511-01a
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xml:space
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">2</
note
>
p
<
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on
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type
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">õ</
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>
dere,
<
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="
quiſpiam
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type
="
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">quiſpiã</
reg
>
id admouet, rurſum aſcendit li-
<
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/>
bra: </
s
>
<
s
xml:id
="
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xml:space
="
preserve
">ſi autem deorſum conſtitutum ſuerit, non
<
lb
/>
aſcendit, ſed manet? </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">An quia ſurſum
<
reg
norm
="
quidem
"
type
="
context
">quidẽ</
reg
>
ſpar
<
lb
/>
to exiſtente, plus libræ extra perpendiculum fit:
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s203
"
xml:space
="
preserve
">ſpartum enim eſt perpendiculum: </
s
>
<
s
xml:id
="
echoid-s204
"
xml:space
="
preserve
">quare neceſſe
<
lb
/>
eſt deorſum ferri id quod plus eſt, donec aſcen-
<
lb
/>
dat quæ bifariam libram diuidit, ad ipſum
<
reg
norm
="
per- pendiculum
"
type
="
context
">per-
<
lb
/>
pendiculũ</
reg
>
, cùm onus incumbat ad libræ partem
<
lb
/>
furſum raptam. </
s
>
<
s
xml:id
="
echoid-s205
"
xml:space
="
preserve
">Sit libra recta vbi B C, ſpartum
<
lb
/>
autem A D. </
s
>
<
s
xml:id
="
echoid-s206
"
xml:space
="
preserve
">hoc igitur deorſum proiecto perpen
<
lb
/>
diculum erit vbi A D M. </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">Si igitur in ipſo B pona
<
lb
/>
tur onus, B quidem erit vbi E, C, autem vbi H. </
s
>
<
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xml:id
="
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">
<
lb
/>
quamobrem ea quæ bifariam libram ſecat, pri-
<
lb
/>
mo quidem erit D M ipſius perpendiculi: </
s
>
<
s
xml:id
="
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"
xml:space
="
preserve
">incum
<
lb
/>
bente
<
reg
norm
="
autem
"
type
="
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">autẽ</
reg
>
onere erit D G. </
s
>
<
s
xml:id
="
echoid-s210
"
xml:space
="
preserve
">quare libra ipſius vbi
<
lb
/>
E H, quod extra perpendiculum eſt A M, vbi eſt
<
lb
/>
P Q, maius eſt dimidio. </
s
>
<
s
xml:id
="
echoid-s211
"
xml:space
="
preserve
">Si igitur amoueatur
<
lb
/>
onus abipſo E, neceſſe eſt deorſum ferri H, mi-
<
lb
/>
<
gap
/>
<
gap
/>
s enim eſt ipſum E. </
s
>
<
s
xml:id
="
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"
xml:space
="
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">Si quidem igitur </
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>
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