Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica
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              <pb o="122" file="0178" n="194" rhead="CHRISTIANI HUGENII"/>
            Itaque neque horum commune gravitatis centrum ultro aſcen-
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              <note position="left" xlink:label="note-0178-01" xlink:href="note-0178-01a" xml:space="preserve">
                <emph style="sc">Decentro</emph>
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                <emph style="sc">OSCILLA-</emph>
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                <emph style="sc">TIONIS.</emph>
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            dere poterit.</s>
            <s xml:id="echoid-s2780" xml:space="preserve"/>
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            <s xml:id="echoid-s2781" xml:space="preserve">Quod ſi jam pondera quotlibet non inter fe connexa po-
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            nantur, illorum quoque aliquod commune centrum gravita-
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            tis eſſe ſcimus. </s>
            <s xml:id="echoid-s2782" xml:space="preserve">Cujus quidem centri quanta erit altitudo,
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            tantam ajo & </s>
            <s xml:id="echoid-s2783" xml:space="preserve">gravitatis ex omnibus compoſitæ altitudinem
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            cenſeri debere; </s>
            <s xml:id="echoid-s2784" xml:space="preserve">ſiquidem omnia ad eandem illam centri gra-
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            vitatis altitudinem deduci poſſunt, nullâ accerſitâ po-
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            tentiâ quam quæ ipſis ponderibus ineſt, ſed tantum lineis
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            inflexilibus ea pro lubitu conjungendo, ac circa gravitatis
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            centrum movendo; </s>
            <s xml:id="echoid-s2785" xml:space="preserve">ad quod nulla vi neque potentia deter-
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            minata opus eſt. </s>
            <s xml:id="echoid-s2786" xml:space="preserve">Quare, ſicut fieri non poteſt ut pondera
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            quædam, in plano eodem horizontali poſita, ſupra illud
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            planum, vi gravitatis ſuæ, omnia æqualiter attollantur; </s>
            <s xml:id="echoid-s2787" xml:space="preserve">ita
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            nec quorumlibet ponderum, quomodocunque diſpoſitorum,
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            centrum gravitatis ad majorem quam habet altitudinem per-
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            venire poterit. </s>
            <s xml:id="echoid-s2788" xml:space="preserve">Quod autem diximus pondera quælibet,
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            nulla adhibita vi, ad planum horizontale, per centrum
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            commune gravitatis eorum tranſiens, perduci poſſe, ſic
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            oſtendetur.</s>
            <s xml:id="echoid-s2789" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s2790" xml:space="preserve">Sint pondera A, B, C, poſitione data, quorum commu-
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              <note position="left" xlink:label="note-0178-02" xlink:href="note-0178-02a" xml:space="preserve">TAB. XVII.
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              Fig. 4.</note>
            ne gravitatis centrum ſit D. </s>
            <s xml:id="echoid-s2791" xml:space="preserve">per quod planum horizontale
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            ductum ponatur, cujus ſectio recta E F. </s>
            <s xml:id="echoid-s2792" xml:space="preserve">Sint jam lineæ in-
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            flexiles D A, D B, D C, quæ pondera ſibi invariabiliter
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            connectant; </s>
            <s xml:id="echoid-s2793" xml:space="preserve">quæ porro moveantur, donec A ſit in plano
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            E F ad E. </s>
            <s xml:id="echoid-s2794" xml:space="preserve">Virgis vero omnibus per æquales angulos dela-
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            tis, erunt jam B in G, & </s>
            <s xml:id="echoid-s2795" xml:space="preserve">C in H.</s>
            <s xml:id="echoid-s2796" xml:space="preserve"/>
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            <s xml:id="echoid-s2797" xml:space="preserve">Rurſus jam B & </s>
            <s xml:id="echoid-s2798" xml:space="preserve">C connecti intelligantur virgâ H G, quæ
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            ſecet planum E F in F; </s>
            <s xml:id="echoid-s2799" xml:space="preserve">ubi neceſſario quoque erit centrum
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            gravitatis binorum iſtorum ponderum connexorum, cum
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            trium, in E, G, H, poſitorum, centrum gravitatis ſit D,
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            & </s>
            <s xml:id="echoid-s2800" xml:space="preserve">ejus quod eſt in E, centrum gravitatis ſit quoque in pla-
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            no E D F. </s>
            <s xml:id="echoid-s2801" xml:space="preserve">Moventur igitur rurſus pondera H, G, ſuper
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            puncto F, velut axe, absque vi ulla, ac ſimul utraque ad
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            planum E F adducuntur, adeo ut jam tria, quæ prius erant
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            in A, B, C, ad ipſam ſui centri gravitatis D </s>
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