Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
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ne, quàm cum eandem in Hyperboles portioni-
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bus obſervaſſem, illudque inveniſſem de quo
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tantus Vir non potuit non & </
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ros alioqui ſemper hæc figura, ſi cum Circulo
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conferatur, ſui contemplatores nacta eſt; </
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que rei vel effectum vel indicium habemus, quod
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cum varia ſint inſpecta quibus datis Quadratu-
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ram quoque Circuli dari neceſſe ſit; </
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ſunt exacta perimetri longitudo, Helicis Archi-
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medeæ contingens, Quadratricis Dinoſtrati ter-
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minus, vel tangens quoque ejuſdem Quadratri-
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cis ad terminum alterum, (ſicut aliquando me
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demonſtraſſe memini) & </
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<
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tioribus debentur; </
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xml:id
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xml:space
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">nihil interea à quoquam de-
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finitum extet, quo vel ſub ulla conditione Hy-
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perbole cum ſpatio rectis comprehenſo lineis
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comparari poſſit. </
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abhinc annis Vir Clariſſ. </
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centio, de quo mihi deinceps dicendum reſtat,
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exquiſitâ prorſus novâque methodo utramque
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Quadraturam aggreſſus eſt, & </
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ſe propemodum demonſtratione abſolviſſe. </
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ego cum ampliſſima quæ de hiſce volumina emi-
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ſit, perſcriptis jam Theorematis meis, diligentius
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evolverem, (certus, ſi quod intenderat obtineret,
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ſaltem gravitatis me centra exhibiturum,) in-
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tellexi tandem, majori ſubtilitate quàm ſucceſ-
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ſu rem arduam tentatam fuiſſe, ratione quoque
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repertâ quâ id clariſſime oſtendi poſſe confido.</
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