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

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        <div xml:id="echoid-div250" type="section" level="1" n="94">
          <pb o="132" file="0192" n="210" rhead="CHRISTIANI HUGENII"/>
        </div>
        <div xml:id="echoid-div253" type="section" level="1" n="95">
          <head xml:id="echoid-head121" xml:space="preserve">DEFINITIO XIV.</head>
          <note position="left" xml:space="preserve">
            <emph style="sc">De centro</emph>
            <lb/>
            <emph style="sc">OSOILLA-</emph>
            <lb/>
            <emph style="sc">TIONIS.</emph>
          </note>
          <p style="it">
            <s xml:id="echoid-s2990" xml:space="preserve">SI fuerint in eodem plano, figura quædam, & </s>
            <s xml:id="echoid-s2991" xml:space="preserve">li-
              <lb/>
            nea recta quæ ipſam extrinſecus tangat; </s>
            <s xml:id="echoid-s2992" xml:space="preserve">& </s>
            <s xml:id="echoid-s2993" xml:space="preserve">per
              <lb/>
            ambitum figuræ alia recta, plano ejus perpendicu-
              <lb/>
            laris, circumferatur, ſuperficiemque quandam de-
              <lb/>
            ſcribat, quæ deinde ſecetur plano per dictam tan-
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            gentem ducto & </s>
            <s xml:id="echoid-s2994" xml:space="preserve">ad dictæ figur æplanum inclinato;
              <lb/>
            </s>
            <s xml:id="echoid-s2995" xml:space="preserve">ſolidum comprehenſum à duobus planis iſtis, & </s>
            <s xml:id="echoid-s2996" xml:space="preserve">par-
              <lb/>
            te ſuperficiei deſcriptæ, inter utrumque planum in-
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            tercepta, vocetur Cuneus ſuper figura illa, tan-
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            quam baſi, abſciſſus.</s>
            <s xml:id="echoid-s2997" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2998" xml:space="preserve">In ſchemate adjecto, eſt A B E C figura data; </s>
            <s xml:id="echoid-s2999" xml:space="preserve">recta eam
              <lb/>
              <note position="left" xlink:label="note-0192-02" xlink:href="note-0192-02a" xml:space="preserve">TAB. XXI.
                <lb/>
              Fig. 3.</note>
            tangens M D; </s>
            <s xml:id="echoid-s3000" xml:space="preserve">quæ vero per ambitum ejus circumfertur,
              <lb/>
            E F; </s>
            <s xml:id="echoid-s3001" xml:space="preserve">cuneus autem figura ſolida planis A B E C, M F G,
              <lb/>
            & </s>
            <s xml:id="echoid-s3002" xml:space="preserve">parte ſuperficiei, à recta E F deſcriptæ, comprehenſa.</s>
            <s xml:id="echoid-s3003" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div255" type="section" level="1" n="96">
          <head xml:id="echoid-head122" xml:space="preserve">DEFINITIO XV.</head>
          <p style="it">
            <s xml:id="echoid-s3004" xml:space="preserve">D Iſtantia inter rectam, per quam cuneus abſciſ-
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            ſus eſt, & </s>
            <s xml:id="echoid-s3005" xml:space="preserve">punctum baſeos, in quod perpen-
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            dicularis cadit à cunei centro gravitatis, dicatur
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            cunei Subcentrica.</s>
            <s xml:id="echoid-s3006" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s3007" xml:space="preserve">Nempe in figura eadem, ſi K ſit centrum gra-
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              <note position="left" xlink:label="note-0192-03" xlink:href="note-0192-03a" xml:space="preserve">TAB. XIX.
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              Fig. 3.</note>
            vitatis cunei, recta vero K I ad baſin ejus A B E C
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            perpendicularis ducta ſit, & </s>
            <s xml:id="echoid-s3008" xml:space="preserve">rurſus I M perpen-
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            dicularis ad M D; </s>
            <s xml:id="echoid-s3009" xml:space="preserve">erit I M, quam ſubcentri-
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            cam dicimus.</s>
            <s xml:id="echoid-s3010" xml:space="preserve"/>
          </p>
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        <div xml:id="echoid-div257" type="section" level="1" n="97">
          <head xml:id="echoid-head123" xml:space="preserve">PROPOSITIO VII.</head>
          <p style="it">
            <s xml:id="echoid-s3011" xml:space="preserve">CUneus ſuper plana figura qualibet abſciſſus,
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            plano inclinato ad angulum ſemirectum, </s>
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