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

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            <s xml:id="echoid-s2719" xml:space="preserve">
              <pb o="118" file="0174" n="190" rhead="CHRISTIANI HUGENII"/>
            bus, tam ab angulo quam à medio arcu ſuſpenſis, atque in
              <lb/>
              <note position="left" xlink:label="note-0174-01" xlink:href="note-0174-01a" xml:space="preserve">
                <emph style="sc">De centro</emph>
                <lb/>
                <emph style="sc">OSCILLA-</emph>
                <lb/>
                <emph style="sc">TIONIS.</emph>
              </note>
            latus agitatis, item in circuli ſegmentis, & </s>
            <s xml:id="echoid-s2720" xml:space="preserve">in triangulis,
              <lb/>
            nunc ex vertice, nunc ex media baſi pendentibus. </s>
            <s xml:id="echoid-s2721" xml:space="preserve">Quod eo
              <lb/>
            redit, ut pendulum ſimplex, hoc eſt, pondus filo appenſum
              <lb/>
            reperiatur ea longitudine, ut oſcillationes faciat temporum
              <lb/>
            eorundem ac figuræ iſtæ, uti dictum eſt, ſuſpenſæ. </s>
            <s xml:id="echoid-s2722" xml:space="preserve">Simul
              <lb/>
            vero pretium operæ, ſi forte quæſitis ſatisfeciſſem, magnum
              <lb/>
            ſane & </s>
            <s xml:id="echoid-s2723" xml:space="preserve">invidioſum pollicebatur. </s>
            <s xml:id="echoid-s2724" xml:space="preserve">Sed a nemine id quod deſi-
              <lb/>
            derabat tunc obtinuit. </s>
            <s xml:id="echoid-s2725" xml:space="preserve">Nam me quod attinet, cum nihil re-
              <lb/>
            perirem quo vel primus aditus ad contemplationem eam pa-
              <lb/>
            teſceret; </s>
            <s xml:id="echoid-s2726" xml:space="preserve">velut à limine repulſus, longiori inveſtigatione tunc
              <lb/>
            quidem abſtinui. </s>
            <s xml:id="echoid-s2727" xml:space="preserve">Qui vero rem ſeſe confeciſſe ſperabant viri
              <lb/>
            inſignes, Carteſius, Honoratus Fabrius, aliique, nequaquam
              <lb/>
            ſcopum attigerunt, niſi in paucis quibuſdam facilioribus,
              <lb/>
            ſed quorum tamen demonſtrationem nullam idoneam, ut mi-
              <lb/>
            hi videtur, attulerunt. </s>
            <s xml:id="echoid-s2728" xml:space="preserve">Idque comparatione eorum quæ hic
              <lb/>
            trademus manifeſtum fore ſpero, ſi quis forte quæ ab illis
              <lb/>
            tradita ſunt, cum noſtris hiſce contulerit; </s>
            <s xml:id="echoid-s2729" xml:space="preserve">quæ quidem & </s>
            <s xml:id="echoid-s2730" xml:space="preserve">
              <lb/>
            certioribus principiis demonſtrata arbitror, & </s>
            <s xml:id="echoid-s2731" xml:space="preserve">experimentis
              <lb/>
            prorſus convenientia reperi. </s>
            <s xml:id="echoid-s2732" xml:space="preserve">Occaſio vero ad hæc denuo ten-
              <lb/>
            tanda, ex pendulorum automati noſtri temperandorum ratio-
              <lb/>
            ne oblata eſt, dum pondus mobile, præter id quod in imo
              <lb/>
            eſt, illis applico, ut in deſcriptione horologii fuit explica-
              <lb/>
            tum. </s>
            <s xml:id="echoid-s2733" xml:space="preserve">Hinc melioribus auſpiciis atque à prima origine rem
              <lb/>
            exorſus, tandem difficultates omnes ſuperavi, nec tantum
              <lb/>
            problematum Merſennianorum ſolutionem, ſed alia quoque
              <lb/>
            illis difficiliora reperi, & </s>
            <s xml:id="echoid-s2734" xml:space="preserve">viam denique, qua in lineis, ſu-
              <lb/>
            perficiebus, ſolidiſque corporibus certa ratione centrum illud
              <lb/>
            inveſtigare liceret. </s>
            <s xml:id="echoid-s2735" xml:space="preserve">Unde quidem, præter voluptatem inve-
              <lb/>
            niendi quæ multum ab aliis quæſita fuerant, cognoſcendique
              <lb/>
            in his rebus naturæ leges decretaque, utilitatem quoque
              <lb/>
            eam cepi, cujus gratia primo animum ad hæc applicueram,
              <lb/>
            reperta illa horologii temperandi ratione facili & </s>
            <s xml:id="echoid-s2736" xml:space="preserve">expedita.
              <lb/>
            </s>
            <s xml:id="echoid-s2737" xml:space="preserve">Acceſſit autem hoc quoque, quod pluris faciendum arbitror,
              <lb/>
            ut certæ, ſæculiſque omnibus duraturæ, menſuræ defini-
              <lb/>
            tionem abſolutiſſimam per hæc tradere poſſem; </s>
            <s xml:id="echoid-s2738" xml:space="preserve">qualis eſt ea
              <lb/>
            quæ ad finem horum adjecta reperietur.</s>
            <s xml:id="echoid-s2739" xml:space="preserve"/>
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