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

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            <s xml:id="echoid-s803" xml:space="preserve">
              <pb o="34" file="0060" n="61" rhead="CHRISTIANI HUGENII"/>
            mineret, debet enim prominere neceſſario ut affigi poſſit cla-
              <lb/>
              <note position="left" xlink:label="note-0060-01" xlink:href="note-0060-01a" xml:space="preserve">
                <emph style="sc">Descri-</emph>
                <lb/>
                <emph style="sc">PTIO</emph>
                <emph style="sc">Ho-</emph>
                <lb/>
                <emph style="sc">ROLOGII</emph>
              .</note>
            vula S, quæ ſimul cum eo verſationes faciat. </s>
            <s xml:id="echoid-s804" xml:space="preserve">Eſt autem hic
              <lb/>
            motus reciprocus, nunc in hanc nunc in illam partem,
              <lb/>
            quum dentes rotæ K alternatim occurrant pinnulis L L, no-
              <lb/>
            tâ vulgo ratione, quæque proinde diligentiori explicatione
              <lb/>
            non indiget.</s>
            <s xml:id="echoid-s805" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s806" xml:space="preserve">Porro clavula S, ima ſui parte reflexa ac foramine ob-
              <lb/>
            longo terebrata, penduli virgam ferream, cui plumbum X
              <lb/>
            affixum eſt, amplectitur. </s>
            <s xml:id="echoid-s807" xml:space="preserve">Hæc vero virga ſupernè duplici
              <lb/>
            filo ſuſpenſa eſt inter geminas lamellas, quarum una T hic
              <lb/>
            tantum cernitur; </s>
            <s xml:id="echoid-s808" xml:space="preserve">itaque alteram figuram juxta deſcripſi-
              <lb/>
            mus, quæ utriusque formam flexumque & </s>
            <s xml:id="echoid-s809" xml:space="preserve">totam hanc
              <lb/>
              <note position="left" xlink:label="note-0060-02" xlink:href="note-0060-02a" xml:space="preserve">TAB. II.
                <lb/>
              Fig. 2.</note>
            ſuſpendendi penduli rationem exprimeret. </s>
            <s xml:id="echoid-s810" xml:space="preserve">Quanquam de
              <lb/>
            vera laminarum iſtarum curvatura pluribus poſtea agendum
              <lb/>
            erit.</s>
            <s xml:id="echoid-s811" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s812" xml:space="preserve">Nunc autem ut de motu horologii dicamus, nam reliquas
              <lb/>
            figuræ partes poſtea exequemur, facile equidem apparet & </s>
            <s xml:id="echoid-s813" xml:space="preserve">
              <lb/>
            vi rotarum, à pondere tractarum, perpendiculi V X mo-
              <lb/>
            tum ſuſtentari, poſtquam ſemel manu incitatum fuerit; </s>
            <s xml:id="echoid-s814" xml:space="preserve">& </s>
            <s xml:id="echoid-s815" xml:space="preserve">
              <lb/>
            ſimul perpendiculi ſtatos recurſus rotis univerſis, totique
              <lb/>
            adeo horologio movendi legem normamque præſcribere.
              <lb/>
            </s>
            <s xml:id="echoid-s816" xml:space="preserve">Clavula enim, quantumvis levi rotarum impulſu acta, non
              <lb/>
            tantum obſequitur trahenti perpendiculo, ſed & </s>
            <s xml:id="echoid-s817" xml:space="preserve">ſingulis re-
              <lb/>
            curſibus paulisper ejus motum adjuvat, atque ita perennem
              <lb/>
            reddit, qui alioqui ſua ſponte, vel verius occurſu aëris,
              <lb/>
            deficeret paulatim, vergeretque ad quietem. </s>
            <s xml:id="echoid-s818" xml:space="preserve">Rurſus vero,
              <lb/>
            quum ejusmodi ſit natura penduli ut eodem ſemper tenore
              <lb/>
            feratur, neque ab eo ulla ratione præterquam mutata longi-
              <lb/>
            tudine dimoveri poſſit; </s>
            <s xml:id="echoid-s819" xml:space="preserve">utique poſtquam flexu lamellarum,
              <lb/>
            inter quas ſuſpenſum eſt, æqualitatem illam conſequuti fui-
              <lb/>
            mus; </s>
            <s xml:id="echoid-s820" xml:space="preserve">nequaquam permittitur rotæ K, ut nunc citius nunc
              <lb/>
            tardius incedat, etſi ſæpe, ut in vulgaribus horologiis, id
              <lb/>
            facere conetur; </s>
            <s xml:id="echoid-s821" xml:space="preserve">ſed neceſſario ſinguli dentes ejus coguntur
              <lb/>
            æqualibus tranſire temporibus. </s>
            <s xml:id="echoid-s822" xml:space="preserve">Hinc vero manifeſtum eſt,
              <lb/>
            & </s>
            <s xml:id="echoid-s823" xml:space="preserve">reliquarum quæ præcedunt rotarum, & </s>
            <s xml:id="echoid-s824" xml:space="preserve">denique etiam
              <lb/>
            indicum æquabiles converſiones effici, cum omnia </s>
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