DelMonte, Guidubaldo
,
Mechanicorvm Liber
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<
chap
id
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N1043F
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id
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id.2.1.25.2.0.0.0
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main
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036/01/044.jpg
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tum naturalem fieri de
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bere; ſicuti prius dictum
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eſt. </
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<
s
id
="
id.2.1.25.2.1.2.0
">In quocunq; enim
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lb
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ſitu pondus aliquod con
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ſtituatur, ſi naturalem
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eius ad propium locum
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motionem ſpectemus,
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cùm rectá ad eum ſua
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ptè natura moueatur, ſup
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poſita totius vniuerſi figu
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lb
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ra, eiuſmodi erit; vt
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ſemper
<
expan
abbr
="
ſpatiũ
">ſpatium</
expan
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, per quod
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lb
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naturaliter mouetur, ra
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lb
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tionem habere videatur
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<
figure
id
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id.036.01.044.1.jpg
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place
="
text
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number
="
30
"/>
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lineæ à circumferentia ad centrum productæ. </
s
>
<
s
id
="
id.2.1.25.2.1.3.0
">non igitur natura
<
lb
/>
les deſcenſus recti cuiuslibet ſoluti ponderis per lineas fieri poſ
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lb
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ſunt inter ſe ſe parallelas; cùm omnes in centrum mundi conue
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lb
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niant. </
s
>
<
s
id
="
id.2.1.25.2.1.4.0
">ſupponunt deinde ponderis ex D in A per rectam lineam
<
lb
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verſus centrum mundi motum eiuſdem eſſe quantitatis, ac ſi fuiſ
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lb
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ſet ex O in C: ita vt punctum A æqualiter à centro mundi ſit
<
lb
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diſtans, vt C. </
s
>
<
s
id
="
N112FC
">quod eſt etiam falſum; nam punctum A magis
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lb
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à centro mundi diſtat, quàm C: maior enim eſt linea à cen
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lb
/>
<
arrow.to.target
n
="
note49
"/>
tro mundi vſq; ad A, quàm à centro mundi vſq; ad C: cùm li
<
lb
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nea à centro mundi vſq; ad A rectum ſubtendat angulum à li
<
lb
/>
neis AC, & à puncto C ad centrum mundi contentum. </
s
>
<
s
id
="
id.2.1.25.2.1.5.0
">ex qui
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lb
/>
bus non ſolum ſuppoſitio illa, qua libram DE in AB redire demon
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lb
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ſtrant, verùm etiam omnes ferè ipſorum demonſtrationes ruunt. </
s
>
<
s
id
="
id.2.1.25.2.1.6.0
">
<
lb
/>
niſi fortaſſe dixerint, hæc omnia propter maximam à centro mun
<
lb
/>
di vſq; ad nos diſtantiam adeo inſenſibilia eſſe, vt propter inſen
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lb
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ſibilitatem tanquam vera ſupponi poſsint: cùm omnes
<
expan
abbr
="
quidẽ
">quidem</
expan
>
alii, qui
<
lb
/>
hæc tractauerunt, tanquam nota ſuppoſuerint. </
s
>
<
s
id
="
id.2.1.25.2.1.7.0
">præſertim quia
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lb
/>
ſenſibilitas illa non efficit, quin deſcenſus ponderis ex L in D
<
lb
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(vt eorum verbis vtar) minus capiat de directo, quàm deſcen
<
lb
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ſus DA. </
s
>
<
s
id
="
N11327
">ſimiliter arcus DA magis de directo capiet, quàm cir
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lb
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cumferentia EV. </
s
>
<
s
id
="
N1132B
">quocirca vera erit ſuppoſitio; aliæq; demon
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lb
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ſtrationes in ſuo robore permanebunt. </
s
>
<
s
id
="
id.2.1.25.2.1.8.0
">Concedamus etiam pon</
s
>
</
p
>
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