Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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HOROLOG. OSCILLATOR.
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<
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ctâ, quæ vel ſecet figuram vel non, ad quam
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perpendiculares cadant à particulis ſingulis minimis
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& </
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<
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">æqualibus, in quas figura diviſa intelligitur;
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</
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s
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">invenire ſummam quadratorum ab omnibus iſtis per-
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pendicularibus; </
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<
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">ſive planum, cujus multiplex, ſe-
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cundum particularum numerum, dictæ quadrato-
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rum ſummæ æquale ſit.</
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<
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<
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Fig. 5. 6.</
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E D; </
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les, intelligantur ab unaquaque earum perpendiculares du-
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ctæ in rectam E D, ſicut à particula F ducta eſt F K. </
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<
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porteatque invenire ſummam quadratorum ab omnibus iſtis
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perpendicularibus.</
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<
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">Sit datæ E D parallela recta A L, quæ figuram tangat,
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ac tota extra eam poſita ſit. </
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<
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">Poteſt autem figuram vel ab ea-
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dem parte ex qua eſt E D, vel à parte oppoſita contingere.
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</
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<
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G A, ſecans E D in E; </
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abſciſſi plano per rectam A L, ſit H A. </
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<
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dratorum quæſitam æquari rectangulo A G H una cum qua-
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drato E G, multiplicibus ſecundum particularum numerum,
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in quas figura diviſa intelligitur.</
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<
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">Occurrat enim F K, ſi opus eſt producta, tangenti A L
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in L puncto. </
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gura diſtat, & </
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eſt, ſic propoſitum oſtendetur. </
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<
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rum F K æquatur totidem quadratis K L, una cum bis to-
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tidem rectangulis K L F, & </
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<
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ctangula K L F æqualia eſſe conſtat totidem </
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