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

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            <s xml:id="echoid-s310" xml:space="preserve">
              <pb o="6" file="0030" n="30" rhead="CHRISTIANI HUGENII"/>
            Nimirum fallentibus clepſydris automatiſque quibuslibet,
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            quæ inter obſervandum adhibere conſueverant, tandem, do-
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            cente primum Viro ſagaciſſimo Galileo Galilei, hunc mo-
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            dum inierunt, ut è catenula tenui pondus appenſum manu
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            impellerent, cujus vibrationibus ſingulis dinumeratis, toti-
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            dem colligerentur æqualia temporis momenta. </s>
            <s xml:id="echoid-s311" xml:space="preserve">Hac metho-
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            do Obſervationes Eclipſium ſcrupuloſius quam antea pere-
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            gere, Soliſque item diametrum, & </s>
            <s xml:id="echoid-s312" xml:space="preserve">Stellarum diſtantias di-
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            menſi ſunt non infeliciter. </s>
            <s xml:id="echoid-s313" xml:space="preserve">Sed præterquam quod deficiebat
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            neceſſario pendulorum motus, niſi adſtantis opera identidem
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            juvaretur, tædioſus inſuper labor evadebat, omnes eorum
              <lb/>
            itus redituſque numerantibus; </s>
            <s xml:id="echoid-s314" xml:space="preserve">cui ſane integris noctibus mi-
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            rabili patientia nonnullos invigilaſſe, ipſis prodentibus, con-
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            ſtat. </s>
            <s xml:id="echoid-s315" xml:space="preserve">Nos autem æquabiliſſimum hocce genus motus cernen-
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            tes, ac veluti unicum in rerum natura datum, quod ad Me-
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            chanicam conſtructionem poſſet traduci, quæſivimus quo
              <lb/>
            pacto hoc ipſum breviſſime aſſequi liceret, atque ita reme-
              <lb/>
            dium inven@re gemino quod retulimus incommodo. </s>
            <s xml:id="echoid-s316" xml:space="preserve">Ac mul-
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            ta fabricæ varietate animo perpenſa, hanc denique, quam
              <lb/>
            deinceps tradituri ſumus, ut cæteris planiorem faciliorem-
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            que ſelegimus. </s>
            <s xml:id="echoid-s317" xml:space="preserve">Qua percepta & </s>
            <s xml:id="echoid-s318" xml:space="preserve">in publicum porro priva-
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            tumque uſum, ſicut jam fieri cœpit, converſa, ad univer-
              <lb/>
            ſos quidem hic fructus redundabit, quod horologiorum,
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            cum inter ſe, tum cum Sole ipſo, quantus nunquam antehac,
              <lb/>
            imo quantus pene optari poſſet, conſenſus animadvertetur.
              <lb/>
            </s>
            <s xml:id="echoid-s319" xml:space="preserve">Aſtronomi vero id conſequentur, ut nulla poſthac agitando-
              <lb/>
            rum perpendiculorum moleſtia, numerandive ſolicitudine,
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            & </s>
            <s xml:id="echoid-s320" xml:space="preserve">illa omnia exequantur, quorum paulo ante meminimus,
              <lb/>
            & </s>
            <s xml:id="echoid-s321" xml:space="preserve">alia illis ſubtiliora, ipſam puta dierum de meridie in me-
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            ridiem inæqualitatem, ſcrutentur; </s>
            <s xml:id="echoid-s322" xml:space="preserve">quam qui negare audent,
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            ratione hactenus magis quam certa experientia refutati ſunt. </s>
            <s xml:id="echoid-s323" xml:space="preserve">
              <lb/>
            Ut jam de Longitudinum, quam vocant, ſcientia dicere
              <lb/>
            omittam: </s>
            <s xml:id="echoid-s324" xml:space="preserve">quæ ſi unquam extitura eſt, deſideratumque tan-
              <lb/>
            topere uſum curſui navigantium præbitura, non aliter, quam
              <lb/>
            vectis per mare exquiſitiſſimis atque omni errore vacuis ho-
              <lb/>
            rologiis, id obtineri poſſe, multi nobiſcum exiſtimant. </s>
            <s xml:id="echoid-s325" xml:space="preserve"/>
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