Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica

Table of contents

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[121.] PROPOSITIO XXII.
[122.] Centrum oſcillationis in Pyramide.
[123.] Centrum oſcillationis Coni.
[124.] Centrum oſcillationis Sphæræ.
[125.] Centrum oſcillationis Cylindri.
[126.] Centrum oſcillationis Conoidis Parabolici.
[127.] Centrum oſcillationis Conoidis Hyperbolici.
[128.] Centrum oſcillationis dimidii Coni.
[129.] PROPOSITIO XXIII.
[130.] PROPOSITIO XXIV.
[131.] PROPOSITIO XXV.
[132.] PROPOSITIO XXVI.
[133.] HOROLOGII OSCILLATORII PARS QUINTA.
[134.] Horologii ſecundi conſtructio.
[135.] DE VI CENTRIFUGA ex motu circulari, Theoremata. I.
[136.] II.
[137.] III.
[138.] IV.
[140.] VI.
[141.] VII.
[142.] VIII.
[143.] IX.
[145.] XI.
[146.] XII.
[147.] XIII.
[148.] FINIS.
[149.] BREVIS INSTITUTIO DE USU HOROLOGIORUM AD INVENIENDAS LONGITUDINES.
[150.] Adr. Metius in Geographicis Inſtitutionibus Cap. 4.
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        <div xml:id="echoid-div397" type="section" level="1" n="150">
          <head xml:id="echoid-head179" style="it" xml:space="preserve">Adr. Metius in Geographicis Inſtitutionibus
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          Cap. 4.</head>
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            <s xml:id="echoid-s4281" xml:space="preserve">ET hæc ſane facillima & </s>
            <s xml:id="echoid-s4282" xml:space="preserve">aptiſſima eſt methodus (ſcilicet qua adhibitis Horologiis longitudines de-
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            teguntur) quam acquirere poſſis; </s>
            <s xml:id="echoid-s4283" xml:space="preserve">niſi quod difficultas & </s>
            <s xml:id="echoid-s4284" xml:space="preserve">error conſiſtat in irregulari Horolo-
              <lb/>
            giorum motu: </s>
            <s xml:id="echoid-s4285" xml:space="preserve">ideoque diligentes inquiſitores & </s>
            <s xml:id="echoid-s4286" xml:space="preserve">inventores rerum naturalium id curate, neque
              <lb/>
            laboris veſtri vos pæniteat, quo hunc errorem tollere tentetis. </s>
            <s xml:id="echoid-s4287" xml:space="preserve">Inquirite in hunc verum & </s>
            <s xml:id="echoid-s4288" xml:space="preserve">æqua-
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            bilem naturæ curſum; </s>
            <s xml:id="echoid-s4289" xml:space="preserve">quo potiti verum lapidem Philoſophorum inveniſtis, neque fortes Nau-
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            cleri ad ſcopulos toties offendent.</s>
            <s xml:id="echoid-s4290" xml:space="preserve"/>
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        <div xml:id="echoid-div398" type="section" level="1" n="151">
          <head xml:id="echoid-head180" style="it" xml:space="preserve">Fournier in Hydrographia 1. 12. C. 35.</head>
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            <s xml:id="echoid-s4291" xml:space="preserve">UNde tandem colligo, ſi via inveniri queat ad Horologia perficienda, & </s>
            <s xml:id="echoid-s4292" xml:space="preserve">laborem ſuſcipere ve-
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            limus iis bene utendi, nullam praxim (ad inveniendas longitudines) cum hac comparandam eſſe.</s>
            <s xml:id="echoid-s4293" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div399" type="section" level="1" n="152">
          <head xml:id="echoid-head181" style="it" xml:space="preserve">Didericus Rembrantz a Nierop in Animadverſionibus
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          de inveniendis longitudinibus.</head>
          <p>
            <s xml:id="echoid-s4294" xml:space="preserve">HOc modo laudabiliora cenſerem nova excogitata Horologia Domini Chriſtiani Hugenii a Zuy-
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            lichem, quæ, loco liberamenti, a plumbo pendulo oſcillato moderantur, de quibus per certa
              <lb/>
            teſtimonia certus ſum, quod hæc tempus exacte ad hebdomadas, imò ferè ad menſes juſte di-
              <lb/>
            metiri queant; </s>
            <s xml:id="echoid-s4295" xml:space="preserve">Unde confiderem, quod ope horum Horologiorum maximum perciperemug
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            commodum, imò quod, niſi agitatio navis impediret, ſatis attingere poſſemus ad inventionem
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            longitudinum.</s>
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