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

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        <div xml:id="echoid-div390" type="section" level="1" n="143">
          <pb o="191" file="0269" n="296" rhead="HOROLOG. OSCILLATOR."/>
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        <div xml:id="echoid-div391" type="section" level="1" n="144">
          <head xml:id="echoid-head173" xml:space="preserve">X.</head>
          <note position="right" xml:space="preserve">
            <emph style="sc">De vi</emph>
            <lb/>
            <emph style="sc">CENTRE-</emph>
            <lb/>
            <emph style="sc">FUGA</emph>
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          <p style="it">
            <s xml:id="echoid-s4266" xml:space="preserve">Si mobile in circumferentia feratur, circuitus-
              <lb/>
            que ſingulos abſolvat eo tempore, quo pendulum,
              <lb/>
            longitudinem ſemidiametri circumferentiæ ejus ha-
              <lb/>
            bens, motu conico circuitum minimum abſolveret,
              <lb/>
            vel duplicem oſcillationem minimam lateralem: </s>
            <s xml:id="echoid-s4267" xml:space="preserve">ha-
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            bebit vim centrifugam ſuæ gravitati æqualem.</s>
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        <div xml:id="echoid-div392" type="section" level="1" n="145">
          <head xml:id="echoid-head174" xml:space="preserve">XI.</head>
          <p style="it">
            <s xml:id="echoid-s4269" xml:space="preserve">Penduli cujuslibet, motu conico lati, tempora
              <lb/>
            circuitus æqualia erunt tempori caſus perpendicula-
              <lb/>
            ris, ex altitudine penduli filo æquali; </s>
            <s xml:id="echoid-s4270" xml:space="preserve">cum angu-
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            lus inclinationis fili, ad planum horizontis, fuerit
              <lb/>
            partium 2. </s>
            <s xml:id="echoid-s4271" xml:space="preserve">ſcrup. </s>
            <s xml:id="echoid-s4272" xml:space="preserve">54, proxime. </s>
            <s xml:id="echoid-s4273" xml:space="preserve">Exacte vero, ſi
              <lb/>
            anguli dicti ſinus fuerit ad radium, ut quadra-
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            tum circulo inſcriptum ad quadratum à circumfe-
              <lb/>
            rentia ejus.</s>
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          <head xml:id="echoid-head175" xml:space="preserve">XII.</head>
          <p style="it">
            <s xml:id="echoid-s4275" xml:space="preserve">Si pendula duo, pondere æqualia, ſed inæquali
              <lb/>
            filorum longitudine, motu conico gyrentur, fue-
              <lb/>
            rintque conorum altitudines æquales; </s>
            <s xml:id="echoid-s4276" xml:space="preserve">erunt vires,
              <lb/>
            quibus fila ſua intendent, in eadem ratione quæ
              <lb/>
            eſt filorum longitudinis.</s>
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