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

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          <head xml:id="echoid-head37" xml:space="preserve">HOROLOGII OSCILLATORII</head>
          <head xml:id="echoid-head38" style="it" xml:space="preserve">PARS PRIMA,
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          Deſcriptionem ejus continens.</head>
          <p>
            <s xml:id="echoid-s788" xml:space="preserve">FIGURA adſcripta horologium à latere inſpiciendum præ-
              <lb/>
              <note position="right" xlink:label="note-0059-01" xlink:href="note-0059-01a" xml:space="preserve">TAB. II.
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              Fig. 1.</note>
            bet, ubi primum laminæ binæ ſunt A A, B B, ſemipe-
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            dali aut paulo ultra longitudine, latæ pollices duo & </s>
            <s xml:id="echoid-s789" xml:space="preserve">ſemis,
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            quarum anguli quatuor columellis coaptantur, ut ſesquipol-
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            lice inter ſe diſtent. </s>
            <s xml:id="echoid-s790" xml:space="preserve">His laminis rotarum præcipuarum axes
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            utrinque inſeruntur. </s>
            <s xml:id="echoid-s791" xml:space="preserve">Prima atque infima eſt quæ notatur C,
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            dentibus 80 inciſa, cujus axi orbiculus quoque D affixus
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            eſt, aculeis ferreis aſper, ut funem cum appenſis ponderi-
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            bus contineat, quæ qua ratione ordinentur poſtea dicetur.
              <lb/>
            </s>
            <s xml:id="echoid-s792" xml:space="preserve">Ponderis itaque vi rota C vertitur; </s>
            <s xml:id="echoid-s793" xml:space="preserve">hæc movet proximum
              <lb/>
            tympanum E dentium octo, unáque rotam F eodem axe hæ-
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            rentem, cui dentes 48. </s>
            <s xml:id="echoid-s794" xml:space="preserve">Hanc excipit tympanum aliud G,
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            & </s>
            <s xml:id="echoid-s795" xml:space="preserve">in eodem axe rota H, quibus dentium numerus idem qui
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            tympano rotæque præcedenti. </s>
            <s xml:id="echoid-s796" xml:space="preserve">Sed hæc rota ejus eſt generis
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            quas à forma coronarias vocant artifices noſtri. </s>
            <s xml:id="echoid-s797" xml:space="preserve">Hujus den-
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            tibus agitatur tympanum I ſimulque rota K, quæ eodem
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            axe tenetur, ad perpendiculum erecto. </s>
            <s xml:id="echoid-s798" xml:space="preserve">Tympano dentes 24; </s>
            <s xml:id="echoid-s799" xml:space="preserve">
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            rotæ 15, atque hi ad inſtar ſerræ dentium inciſi. </s>
            <s xml:id="echoid-s800" xml:space="preserve">Supra me-
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            diam rotam K transverſus jacet axis pinnatus L M, cujus
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            extrema ſuſtinent hinc inde gnomones N Q & </s>
            <s xml:id="echoid-s801" xml:space="preserve">P, ſeorſim
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            affixi laminæ B B. </s>
            <s xml:id="echoid-s802" xml:space="preserve">Notanda vero in gnomone N Q pars de-
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            orſum prominens Q, quæ oblongo foramine patens trans-
              <lb/>
            mittit axem L M, ſimulque retinet eum quem rotæ K tym-
              <lb/>
            panoque I communem eſſe diximus, inferiori ſui parte gno-
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            moni R innitentem. </s>
            <s xml:id="echoid-s803" xml:space="preserve">In lamina B B foramen amplum excava-
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            tum eſt, quo ultra ipſam extendatur axis pinnatus L M, qui
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            ſubtili cuſpide inſertus gnomoni P, liberius ita movetur quam
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            ſi ab ipſa lamina B B ſuſtineretur ſimulque ultra eam </s>
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