Varro, Michael
,
De motv tractatvs
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ſunt aut diuiſa, ſimplicia aut compoſita. </
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<
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>Horum autem mediorum opera fit vt vires illis
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applicatæ, quarum iidem ſunt nutus, contrariis mo
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tibus moueantur. </
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<
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>Id
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abbr
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autẽ
">autem</
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fit cùm in mediis illis inter
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<
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abbr
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eorũ
">eorum</
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extrema interiacet quies vna vel plures. </
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Exẽpli
">Exempli</
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gratia, ſi duo pondera funis extremitatibus alligata
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ſint, & funis clauo fixo & immobili incumbat pro
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pter illam quietem inter
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abbr
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vtrumq;
">vtrumque</
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pondus
<
expan
abbr
="
poſitã
">poſitam</
expan
>
<
expan
abbr
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nõ
">non</
expan
>
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lb
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poterit
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abbr
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alterũ
">alterum</
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deorſum moueri, quin
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abbr
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alterũ
">alterum</
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ſurſum
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moueatur. </
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<
expan
abbr
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Idẽ
">Idem</
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fiet in linea recta, ſi enim illius extre
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lb
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mitatibus pondera duo annexa ſint, & inter ea ſit in
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lb
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illa
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abbr
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punctũ
">punctum</
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aliquod quieſcens, dum alterum ex illis
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lb
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ponderibus deorſum feretur, alterum aſcendet. </
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<
expan
abbr
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Pũ-ctum
">Pun
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ctum</
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autem illud quieſcens in linea illa recta, Gręcis
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lb
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hypomochlium dicitur, eò quòd vecti, quem
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grc
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vocant, ſubiiciatur. </
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<
s
>Huius autem hypomochlij, in
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recta linea ſe vecte collocatio faciet, vt lineæ extre
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ma ſecundum datam rationem moueantur. </
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<
s
>Si enim
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recta linea in datam rationem diuiſa fuerit, hoc eſt,
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vt pars altera ad
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expan
abbr
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alterã
">alteram</
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eam habeat
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abbr
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rationẽ
">rationem</
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,
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abbr
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quã
">quam</
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quis
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lb
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voluerit. (Quod
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abbr
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quidẽ
">quidem</
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>
quo modo fiat docet Euc.) &
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in puncto diuiſionis collocetur
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expan
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hypomochliũ
">hypomochlium</
expan
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, illius
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lb
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lineæ extrema ſecundum
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expan
abbr
="
illã
">illam</
expan
>
<
expan
abbr
="
rationẽ
">rationem</
expan
>
mouebuntur:
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lb
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ſiue enim conſideretur
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expan
abbr
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circulorũ
">circulorum</
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>
, quos illa extrema
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lb
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deſcribent, proportio ſiue ſpatium quod illa in linea
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perpendiculari notabunt vtroque modo illi motus, </
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