DelMonte, Guidubaldo
,
Mechanicorvm Liber
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diametrum tympani vnà cum ſcytala DF. </
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<
s
id
="
id.2.1.223.11.1.5.0.b
">Similiter etiam oſten
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detur, ſi potentia pondus ſuſtinens fuerit in q. </
s
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<
s
id
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N16445
">tunc enim ſuſti
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neret vecte CQ; & ad pondus eam haberet proportionem, quam
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arrow.to.target
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note309
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habet CB ad Cq. </
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<
s
id
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N1644E
">Videlicet ſemidiameter axis ad ſemidiame
<
lb
/>
trum tympani vná cum ſcytala Eq. </
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<
s
id
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N16452
">quod demonſtrare opor
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tebat. </
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6.
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Primi Archim. de æquepon.
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note308
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<
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Cor.
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4.
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quinti.
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2
<
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italics
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<
expan
abbr
="
Huuius
">Huius</
expan
>
. de vecte.
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emph.end
type
="
italics
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</
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</
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<
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type
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<
s
id
="
id.2.1.225.1.1.1.0
">COROLLARIVM. </
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</
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<
s
id
="
id.2.1.225.2.1.1.0
">Manifeſtum eſt potentiam ſemper minorem
<
lb
/>
eſſe pondere. </
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>
</
p
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<
p
id
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id.2.1.225.3.0.0.0
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type
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main
">
<
s
id
="
id.2.1.225.3.1.1.0
">Semidiameter enim axis ſemper ſemidiametro tympani mi
<
lb
/>
nor eſt. </
s
>
<
s
id
="
id.2.1.225.3.1.2.0
">& potentia eò minor eſt pondere, quò ſemidiameter axis
<
lb
/>
minor eſt ſemidiametro tympani vná cum ſcytala. </
s
>
<
s
id
="
id.2.1.225.3.1.3.0
">quare quò lon
<
lb
/>
gior eſt CF, vel CQ; & quò breuior eſt CB, minor adhuc ſem
<
lb
/>
per potentia in F, vel in Q pondus k ſuſtinebit. </
s
>
<
s
id
="
id.2.1.225.3.1.4.0
">quò enim minor
<
lb
/>
eſt CB, eò minorem habebit proportionem ſemidiameter axis
<
lb
/>
ad ſemidiametrum tympani vná cum ſcytala. </
s
>
</
p
>
<
p
id
="
id.2.1.225.4.0.0.0
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type
="
main
">
<
s
id
="
id.2.1.225.4.1.1.0
">Hoc autem loco conſiderandum occurrit, quòd ſi in alia ſcyta
<
lb
/>
la appendatur pondus, vt in T, ſuſtinens pondus k; it a nempè, vt
<
lb
/>
pondus in T appenſum, pondusq; k circa axem conſtitutum
<
lb
/>
maneant; erit pondus in T grauius pondere M in F appenſo. </
s
>
<
s
id
="
id.2.1.225.4.1.2.0
">
<
lb
/>
iungatur enim TB, & à puncto C horizonti perpendicularis du
<
lb
/>
catur CI, quæ lineam TB ſecet in I; tandemq; connectatur
<
lb
/>
TC, quæ æqualis erit CF. </
s
>
<
s
id
="
id.2.1.225.4.1.2.0.a
">Quoniam autem pondera appenſa
<
lb
/>
ſunt in TB, perindè ſe ſe habebunt, ac ſi in punctis TB ipſorum
<
lb
/>
centra grauitatum haberent; vt antea dictum eſt. </
s
>
<
s
id
="
id.2.1.225.4.1.3.0
">& quia ma
<
lb
/>
nent, erit punctum I (ex prima huius de libra) amborum ſimul
<
lb
/>
grauitatis centrum; cùm ſit CI horizonti perpendicularis. </
s
>
<
s
id
="
id.2.1.225.4.1.4.0
">ſed
<
lb
/>
quoniam angulus BCI eſt rectus, erit BIC acutus, lineaq; BI
<
arrow.to.target
n
="
note310
"/>
<
lb
/>
ipſa BC maior erit. </
s
>
<
s
id
="
id.2.1.225.4.1.5.0
">quare angulus CIT erit obtuſus; atq;
<
arrow.to.target
n
="
note311
"/>
<
lb
/>
ideo linea CT ipſa TI maior erit. </
s
>
<
s
id
="
id.2.1.225.4.1.6.0
">Cùm autem CT maior ſit
<
lb
/>
TI, & IB maior BC; maiorem habebit proportionem TC ad
<
lb
/>
CB, quàm TI ad IB; & conuertendo, minorem habebit pro</
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