Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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CHRISTIANI HUGENII
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cujus ſectio recta D F, inque ipſum à ſingulis ponderibus
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<
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ducantur perpendiculares A D, B E, C F. </
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punctum centrum gravitatis ponderum omnium A, B, C,
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à quo ducatur perpendicularis in idem planum G H. </
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<
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ſummam productorum, quæ fiunt à ſingulis ponderibus in
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ſuas perpendiculares, æquari producto ab recta G H in
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omnia pondera A, B, C.</
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<
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xml:space
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">Intelligantur enim perpendiculares, à ſingulis ponderibus
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eductæ, continuari in alteram partem plani D F, ſintque
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ſingulæ D K, E L, F M, ipſi H G æquales; </
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<
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lineæ, inflexiles virgas referant, ad horizontem parallelas;
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</
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<
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">ponantur in K, L, M, gravitates ejusmodi, quæ ſingu-
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læ cum ſibi oppoſitis A, B, C, æquilibrium faciant ad in-
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terſectionem plani D E F. </
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<
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xml:space
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ponderabunt omnibus A, B, C. </
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do A D ad D K, ita pondus K ad pondus A, ac proinde
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D A ducta in magnitudinem A, æquabitur D K, ſive G H,
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ductæ in K. </
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in L; </
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go ſumma productorum ex A D in A, B E in B, C F in
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F, æquabitur ſummæ productorum ex G H in omnes
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K, L, M. </
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<
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">Quum autem K, L, M, æquiponderent ipſis A,
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B, C, etiam iisdem A, B, C, ex centro ipſorum gravita-
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tis G ſuſpenſis, æquiponderabunt. </
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<
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G H æqualis ſit ſingulis D K, E L, F M, neceſſe eſt ma-
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gnitudines A, B, C, ſimul ſumptas, æquari ipſis
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K, L, M. </
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A, B, C, æquabitur productis ex D A in A, E B in B, & </
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<
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F C in C. </
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<
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C M, horizonti parallelæ, & </
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ctum; </
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ponantur, eandem manere productorum æqualitatem, cum
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rectæ omnes ſint eædem quæ prius. </
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ſitum.</
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