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

Table of contents

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[131.] CHRISTIANI HUGENII OPERA ASTRONOMICA. Tomus Tertius.
[132.] Tomi tertii contenta.
[133.] CHRISTIANI HUGENII DE SATURNILUNA OBSERVATIO NOVA. Tom. III. Ttt
[134.] CHRISTIANI HUGENII DE SATURNI LUNA OBSERVATIO NOVA.
[135.] Tom. III. Vvv.
[136.] CHRISTIANI HUGENII ZULICHEMII, CONST. F. SYSTEMA SATURNIUM, SIVE DE CAUSIS MIRANDORUM SATURNI PHÆNOMENON; ET COMITE EJUS PLANETA NOVO.
[137.] SERENISSIMO PRINCIPI LEOPOLDO AB HETRURIA Chriſtianus Hugenius S.D.
[138.] Tom. III. Xxx
[139.] NICOLAUS HEINSIUS, D. F. AD AUCTOREM SYSTEMATIS.
[140.] CHRISTIANI HUGENII Zulichemii, Cθnst. F. SYSTEMA SATURNIUM.
[141.] Tabul@ motus æqualis Lunæ Saturniæ in orbita ſua reſpectu fixarum.
[142.] In Menſibus anni @uli@-ni ineuntibus.
[143.] FINIS.
[144.] Eustachii De Divinis Septempedani BREVIS ANNOTATIO IN SYSTEMA SATURNIUM CHRISTIANI HUGENII. A D SERENISSIMUM PRINCIPEM LEOPOLDUM Magni Ducis HETRVRIÆ Fratrem.
[145.] Eustachii De Divinis Septempedani BREVIS ANNOTATIO IN SYSTEMA SATURNIUM CRISTIANI HUGENII. SERENISSIME PRINCEPS
[146.] FINIS.
[147.] Christiani Hugenii Zulichemii BREVIS ASSERTIO SYSTEMATIS SATURNII S U I, Ad Serenissimum Principem LEOPOLDUM AB HETRURIA.
[148.] Christiani Hugenii Zulichemii BREVIS ASSERTIO SYSTEMATIS SATURNII S U I, Ad Serenissimum Principem LEOPOLDUM AB HETRURIA. SERENISSIME PRINCEPS,
[149.] CHRISTIANI HUGENII DE SATURNI ANNULO OBSERVATIONES.
[150.] CHRISTIANI HUGENII DE SATURNI ANNULO OBSERVATIONES. I. Obſervationes in Saturnum Pariſiis habitæ in Bi-bliotheca Regia.
[151.] II. Excerpta ex literis D. Hugenii, Academiæ regiæ ſcien-tiarum ſocii, ad auctorem Diarii Eruditorum de figura Planetæ Saturni.
[152.] FINIS.
[153.] CHRISTIANI HUGENII ΚΟΣΜΟΘΕΩΡΟΣ, SIVE De Terris Cœleſtibus, earumque ornatu, CONJECTURÆ AD CONTANTINUM HUGENIUM, Fratrem: CULIELMO III. MAGNÆ BRITANNIÆ REGI, A SECRETIS.
[154.] Horat. Epiſt. 6. lib. 1.
[155.] BENEVOLO LECTORI SALUTEM.
[156.] CHRISTIANI HUGENII COSMOTHEOROS, SIVE De Terris Cœleſtibus, earumque ornatu, Conjecturæ. AD CONSTANTINUM HUGENIUM, Fratrem. LIBER I.
[157.] CHRISTIANI HUGENII COSMOTHEOROS, SIVE De Terris Cœleſtibus, earumque ornatu, Conjecturæ. AD CONSTANTINUM HUGENIUM, Fratrem. LIBER II.
[158.] FINIS.
[159.] CHRISTIANI HUGENII OPERA MISCELLANEA. Tomus Quartus.
[160.] Tomi quarti contenta.
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              <pb file="0130" n="139" rhead="PRÆFATIO AD LECTOREM."/>
            lum hinc fructum colliges.</s>
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        <div xml:id="echoid-div143" type="section" level="1" n="62">
          <head xml:id="echoid-head93" xml:space="preserve">DEFINITIONES.</head>
          <p>
            <s xml:id="echoid-s2728" xml:space="preserve">1 Si in circulo, ellipſe vel hyperbola ducantur è centro
              <lb/>
            in ejus perimetrum duæ rectæ, appellamus planum
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            ab illis rectis & </s>
            <s xml:id="echoid-s2729" xml:space="preserve">perimetri ſegmento comprehenſum,
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            ſectorem.</s>
            <s xml:id="echoid-s2730" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2731" xml:space="preserve">2 Si perimetri ſegmentum inter illas rectas comprehenſum à
              <lb/>
            rectis quotcumque ſubtendatur, ita ut triangula rectili-
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            nea (quorum communis vertex eſt ſectionis centrum & </s>
            <s xml:id="echoid-s2732" xml:space="preserve">
              <lb/>
            baſes rectæ ſubtendentes) ſint æqualia; </s>
            <s xml:id="echoid-s2733" xml:space="preserve">vocamus rectili-
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            neum illud ab iſtis triangulis conflatum, polygonum re-
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            gulare inſcriptum, ſi ſectio conica fuerit circulus vel el-
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            lipſis; </s>
            <s xml:id="echoid-s2734" xml:space="preserve">quod ſi fuerit hyperbola, vocamus illud rectili-
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            neum polygonum regulare circumſcriptum.</s>
            <s xml:id="echoid-s2735" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2736" xml:space="preserve">3 Si perimetri ſegmentum inter illas rectas comprehenſum à
              <lb/>
            rectis quotcunque tangatur & </s>
            <s xml:id="echoid-s2737" xml:space="preserve">à tactibus ad ſectionis cen-
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            trum ducantur rectæ; </s>
            <s xml:id="echoid-s2738" xml:space="preserve">ſi inquam omnia trapezia, a tan-
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            gentibus proximis & </s>
            <s xml:id="echoid-s2739" xml:space="preserve">rectis ad centrum comprehenſa, fue-
              <lb/>
            rint æqualia; </s>
            <s xml:id="echoid-s2740" xml:space="preserve">appello rectilineum ab illis conflatum, poly-
              <lb/>
            gonum regulare circumſcriptum, ſi ſectio conica ſit elli-
              <lb/>
            pſis vel circulus, & </s>
            <s xml:id="echoid-s2741" xml:space="preserve">polygonum regulare inſcriptum ſi
              <lb/>
            fuerit hyperbola.</s>
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          <p>
            <s xml:id="echoid-s2743" xml:space="preserve">4 Si omnes anguli (excepto illo ad ſectionis centrum) po-
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            lygoni regularis à ſubtendentibus comprehenſi </s>
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