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

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              <pb o="47" file="0075" n="77" rhead="HOROLOG. OSCILLATOR."/>
            deeſſe videatur ad perficiendum tantæ utilitatis inventum.
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            </s>
            <s xml:id="echoid-s1014" xml:space="preserve">
              <note position="right" xlink:label="note-0075-01" xlink:href="note-0075-01a" 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>
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            Quid autem & </s>
            <s xml:id="echoid-s1015" xml:space="preserve">qua fortuna hìc tentatum fuerit, quidve de-
              <lb/>
            inceps tentandum reſtet, exponere non pigebit.</s>
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          </p>
          <p>
            <s xml:id="echoid-s1017" xml:space="preserve">Prima duo hujusmodi horologia Britannica navi vecta
              <lb/>
            fuere anno 1664, quæ vir nobilis è Scotia nobisque amicus
              <lb/>
            ad noſtrorum exemplum fabricari curaverat. </s>
            <s xml:id="echoid-s1018" xml:space="preserve">Hæc ponderis
              <lb/>
            loco laminam chalybeam habebant in ſpiram convolutam,
              <lb/>
            cujus vi rotæ circumagerentur, quemadmodum in exiguis
              <lb/>
            illis quæ circumferri ſolent automatis adhiberi ſolent. </s>
            <s xml:id="echoid-s1019" xml:space="preserve">Ut
              <lb/>
            autem jactationem navis perferre poſſent, è chalybea pila,
              <lb/>
            cylindro æneo incluſa, horologia ſuſpenderat, clavulamque
              <lb/>
            quæ penduli motum continuat (erat autem ſemipedali longi-
              <lb/>
            tudine pendulum) deorſum productam geminaverat, ut li-
              <lb/>
            teræ F inverſæ formam referret; </s>
            <s xml:id="echoid-s1020" xml:space="preserve">ne videlicet in gyrum
              <lb/>
            evagari poſſet penduli motus, unde ceſſationis pericu-
              <lb/>
            lum. </s>
            <s xml:id="echoid-s1021" xml:space="preserve">Navis hæc, cum tribus aliis quas itineris ſocias habue-
              <lb/>
            rat, poſtquam in Britanniam reverſa eſt, Præfectus claſſis
              <lb/>
            hæc retulit. </s>
            <s xml:id="echoid-s1022" xml:space="preserve">Se nempe, cum à Guineæ littore ſolviſſet, at-
              <lb/>
            que ad inſulam, ſancti Thomæ dictam, perveniſſet, quæ
              <lb/>
            æquinoctiali circulo ſubjacet, compoſitis hìc ad ſolem horo-
              <lb/>
            logiis, occidentem verſus curſum inſtituiſſe, atque ad ſe-
              <lb/>
            ptingenta circiter milliaria continuo tramite progreſſum, tum
              <lb/>
            rurſus vento favente Libonoto ad Africæ littora declinaviſ-
              <lb/>
            ſe. </s>
            <s xml:id="echoid-s1023" xml:space="preserve">Cum autem ad ducenta trecentave milliaria eò curſum
              <lb/>
            tenuiſſet, magiſtros aliarum navium, veritos ne priuſ-
              <lb/>
            quam Africam attigiſſent aquâ ad potum deficerentur, ſua-
              <lb/>
            ſiſſe ut ad inſulas Americanas, Barbatorum dictas, aquan-
              <lb/>
            di gratiâ deflecteret. </s>
            <s xml:id="echoid-s1024" xml:space="preserve">Tum ſeſe concilio nauclerorum habito,
              <lb/>
            juſſiſque ut Ephemeridas ac ſupputationes ſinguli ſuas pro-
              <lb/>
            ferrent, reperiſſe cæterorum calculos à ſuis diverſos abire,
              <lb/>
            unius quidem 80 milliaribus, alterius centenis, tertii am-
              <lb/>
            plius etiam. </s>
            <s xml:id="echoid-s1025" xml:space="preserve">Ipſum vero, cum ex horologiorum indicio
              <lb/>
            collegiſſet non amplius quam triginta circiter milliaribus ab-
              <lb/>
            eſſe inſulam del Fuego dictam, quæ una eſt earum, non
              <lb/>
            procul ab Africa diſtantium, quæ à Viridi promontorio no-
              <lb/>
            men habent, eamque poſtero die teneri poſſe; </s>
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