Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

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            quoque in ſcriptione expreſſum eſt, & </s>
            <s xml:id="echoid-s11" xml:space="preserve">paulò quid
              <lb/>
            amplius, ſi Lectoris æqui judicium prævenire per-
              <lb/>
            mittitur. </s>
            <s xml:id="echoid-s12" xml:space="preserve">Namque ex datis gravitatum centris
              <lb/>
            Hyperbolas, Ellipſes & </s>
            <s xml:id="echoid-s13" xml:space="preserve">Circulos ad quadrata
              <lb/>
            redigere non finis eſt horum Theorematum, ſed
              <lb/>
            conſequentia duntaxat; </s>
            <s xml:id="echoid-s14" xml:space="preserve">eoque nomine potiſſi-
              <lb/>
            mum placere debent, quòd aliquatenus certam
              <lb/>
            trium Portionum ad inſcripta triangula rationem
              <lb/>
            dcmonſtrant. </s>
            <s xml:id="echoid-s15" xml:space="preserve">Eam in Hyperbola primum mihi
              <lb/>
            deprehendere contigit, viâ deſtinatâ planè, ſed
              <lb/>
            impeditâ difficilique; </s>
            <s xml:id="echoid-s16" xml:space="preserve">quâ deinde breviorem ex-
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            quirens, in hanc incidi quæ ad Ellipſin & </s>
            <s xml:id="echoid-s17" xml:space="preserve">Cir-
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            culum quoque pertineret, commodumque ob-
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            venit conſtans illa in cognatis figuris mirabiliſ-
              <lb/>
            que convenientia. </s>
            <s xml:id="echoid-s18" xml:space="preserve">Quæ quidem univerſim in o-
              <lb/>
            mnibus hiſce quo minus locum habeat, ſola fa-
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            cit Propoſitionum noviſſima, ſupernumeraria illa
              <lb/>
            quaſi, atque ultra propoſitum adſcita, cujuſque
              <lb/>
            hoc ſolum mihi tribui par eſt, quod ex præce-
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            dentibus ipſam non ineleganti ratione compro-
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            bari poſſe oſtendi. </s>
            <s xml:id="echoid-s19" xml:space="preserve">Dudum enim hîc nos præ-
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            venit, egregiumque Theorema ante annos un-
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            deviginti demonſtratum dedit acutiſſimus Geo-
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            metra I. </s>
            <s xml:id="echoid-s20" xml:space="preserve">Della Faille, felix, meâ quidem ſenten-
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            tiâ, quod ante alios perſpexerit, quomodo à ſe-
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            ctorum gravitatis centro Quadratura depende-
              <lb/>
            ret: </s>
            <s xml:id="echoid-s21" xml:space="preserve">cumque illum in Circulo præcipuam laudem
              <lb/>
            promeruiſſe agnoſcam, non æquè gaviſus ſum de-
              <lb/>
            tectâ in reliquis hujus ſegmentis ſimili </s>
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