Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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HOROLOG. OSCILLATOR.
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lis eſt ſolido, quod fit ducendo figuram eandem, in
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altitudinem æqualem diſtantiæ centri gravitatis fi-
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guræ, ab recta per quam abſciſſus eſt cuneus.</
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">Sit, ſuper figura plana A C B, cuneus A B D abſciſſus
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">TAB. XI.
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Fig. 4.</
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plano ad angulum ſemirectum inclinato, ac transeunte per
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E E, rectam tangentem figuram A C B, inque ejus plano
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ſitam. </
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<
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">Centrum vero gravitatis figuræ ſit F, unde in rectam
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E E ducta ſit perpendicularis F @. </
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<
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qualem eſſe ſolido, quod fit ducendo figuram A C B in al-
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titudinem ipſi F A æqualem.</
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<
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<
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">Intelligatur enim figura A C B diviſa in particulas mini-
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mas æquales quarum una G. </
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<
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">Itaque conſtat, ſi harum ſin-
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gulæ ducantur in diſtantiam ſuam ab recta E E, ſummam
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productorum fore æqualem ei quod fit ducendo rectam A F
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in particulas omnes , hoc eſt, ei quod fit ducendo
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xml:space
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huj.</
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ipſam A C B, in altitudinem æqualem A F. </
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<
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læ ſingulæ ut G, in diſtantias ſuas G H ductæ, æquales
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ſunt parallelepipedis, vel prismatibus minimis, ſuper ipſas
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erectis, atque ad ſuperficiem obliquam A D terminatis, qua-
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le eſt G K; </
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<
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">quia horum altitudines ipſis diſtantiis G H æ-
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quantur, propter angulum ſemirectum inclinationis plano-
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rum A D & </
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cuneum A B D componi. </
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<
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lido ſuper baſi A C B, altitudinem habenti rectæ F A æ-
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qualem. </
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">SI figuram planam linea recta tangat, diviſaque
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intelligatur figura in particulas minimas æqua-
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les, atque à ſingulis ad rectam illam perpendicula-
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res ductæ: </
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<
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">erunt omnium harum quadrata, ſimul
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ſumpta, æqualia rectangulo cuidam, multiplici ſe-
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cundum ipſarum particularum numerum; </
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