Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

Table of contents

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[611.] Definitio 14.
[612.] Definitio 15.
[613.] Definitio 16.
[614.] CAPUT II. De motu apparenti.
[615.] CAPUT III. De Phœnomenis Solis ex motu Telluris in orbitâ.
[616.] Definitio 1.
[617.] Definitio 2.
[618.] Definitio 3.
[619.] Definitio 4.
[620.] Definitio 5.
[621.] Definitio 6.
[622.] Definitio 7.
[623.] CAPUT IV. De Phænomenis Planetarum inferiorum, ex horum, & Telluris, motibus in orbitis ſuis.
[624.] Definitio 1.
[625.] CAPUT V. De Pbænomenis Planetarum ſuperiorum, ex horum & Telluris motibus in orbitis ſuis.
[626.] CAPUT VI. De Phænomenis Satellitum, ex motu horum in orbi-tis. Vbi de Eclipſibus Solis & Lunæ.
[627.] Definitio i.
[628.] Definitio 2.
[629.] Definitio 3.
[630.] Definitio 4.
[631.] Definitio 5.
[632.] Definitio 6.
[633.] Definitio 7.
[634.] Definitio 8.
[635.] Definitio 9.
[636.] CAPUT VII. De Pbænomenis ex motu Solis, Planetarum, & Lunæ, circa axes.
[637.] Definitio 1.
[638.] Definitio 2.
[639.] Definitio 3.
[640.] Definitio 4.
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            <s xml:id="echoid-s14237" xml:space="preserve">
              <pb o="57" file="0559" n="616" rhead="MATHEMATICA. LIB. III. CAP. XII."/>
            tres DD, DD, DD. </s>
            <s xml:id="echoid-s14238" xml:space="preserve">Prima diſponitur, ut radii, à punctis
              <lb/>
            repræſentationis e a procedentes, paralleli lentem exeant :</s>
            <s xml:id="echoid-s14239" xml:space="preserve">
              <note symbol="*" position="right" xlink:label="note-0559-01" xlink:href="note-0559-01a" xml:space="preserve">699.</note>
            in hoc caſu radii, qui à puncto medio lentis objectivæ pro.
              <lb/>
            </s>
            <s xml:id="echoid-s14240" xml:space="preserve">cedunt, colliguntur in G; </s>
            <s xml:id="echoid-s14241" xml:space="preserve">ſecunda lens diſponitur, ut ra-
              <lb/>
            dii hi in G collecti, ibique ſeſe mutuo interſecantes, & </s>
            <s xml:id="echoid-s14242" xml:space="preserve">quaſi
              <lb/>
            ex illo puncto procedentes, paralleli exeant ; </s>
            <s xml:id="echoid-s14243" xml:space="preserve">quibus
              <note symbol="*" position="right" xlink:label="note-0559-02" xlink:href="note-0559-02a" xml:space="preserve">699.</note>
            radii à vitro objectivo ad e provenientes, ibique ſeſe mutuo
              <lb/>
            interſecantes, & </s>
            <s xml:id="echoid-s14244" xml:space="preserve">punctum hoc repræſentationis objecti for-
              <lb/>
            mantes, per primam lentem refracti, per G paralleli inter
              <lb/>
            ſe moventur; </s>
            <s xml:id="echoid-s14245" xml:space="preserve">per ſecundam lentem refringuntur juxta dire-
              <lb/>
            ctionem D e & </s>
            <s xml:id="echoid-s14246" xml:space="preserve">in e colliguntur ita, ut hoc punctum
              <note symbol="*" position="right" xlink:label="note-0559-03" xlink:href="note-0559-03a" xml:space="preserve">698.</note>
            punctum novæ repræſentationis. </s>
            <s xml:id="echoid-s14247" xml:space="preserve">Eodem modo puncto a
              <lb/>
            primæ repræſentationis reſpondet punctum a ſecundæ repræ-
              <lb/>
            ſentationis; </s>
            <s xml:id="echoid-s14248" xml:space="preserve">quod cùm etiam locum habeat reſpectu puncto-
              <lb/>
            rum intermediorum, datur objecti repræſentatio erecta in a e.</s>
            <s xml:id="echoid-s14249" xml:space="preserve"/>
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        </div>
        <div xml:id="echoid-div2137" type="section" level="1" n="521">
          <head xml:id="echoid-head690" xml:space="preserve">
            <emph style="sc">Experimentum</emph>
          3.</head>
          <p>
            <s xml:id="echoid-s14250" xml:space="preserve">Tres tabellæ D, D, D, cum vitris ocularibus, quæ ad
              <lb/>
              <note position="right" xlink:label="note-0559-04" xlink:href="note-0559-04a" xml:space="preserve">TAB. XI.
                <lb/>
              fig. 4.</note>
            diſtantiam quinque circiter pollicum radios parallelos colli-
              <lb/>
            gunt, ſuper plano inter duas regulas moventur ita, ut tria
              <lb/>
            vitra ſint in eadem lineâ, in quâ etiam foramen datur V,
              <lb/>
            per quod ſolum in cubiculum lumen intrat, & </s>
            <s xml:id="echoid-s14251" xml:space="preserve">in quo datur
              <lb/>
            lens objectiva, quæ tubo brevi continetur, ad excludendum
              <lb/>
            lumen laterale.</s>
            <s xml:id="echoid-s14252" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14253" xml:space="preserve">Lens hæc objectiva talis eſt, ut ad diſtantiam circiter trium
              <lb/>
            pedum ab V, repræſentet objecta longinqua inverſa in F,
              <lb/>
            quæ repræſentatio videtur, ſi plano albo radii intercipian-
              <lb/>
            tur . </s>
            <s xml:id="echoid-s14254" xml:space="preserve">Ad diſtantiam quinque pollicum ab F datur
              <note symbol="*" position="right" xlink:label="note-0559-05" xlink:href="note-0559-05a" xml:space="preserve">711.</note>
            lens ocularis, à qua decem pollices diſtat lens ſecunda; </s>
            <s xml:id="echoid-s14255" xml:space="preserve">in f,
              <lb/>
            ad diſtantiam quinque pollicum ab hac, datur repræſentatio
              <lb/>
            erecta eorundèm objectorum, quæ etiam interpoſito plano
              <lb/>
            albo ſenſibilis eſt.</s>
            <s xml:id="echoid-s14256" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14257" xml:space="preserve">Si repræſentatio a e videatur per tertiam lentem ocula-
              <lb/>
              <note position="right" xlink:label="note-0559-06" xlink:href="note-0559-06a" xml:space="preserve">TAB. XI.
                <lb/>
              fig. 3.</note>
            rem, poſito oculo in o, in quo colliguntur radii paralleli
              <lb/>
            a D, e D, amplificatum, appropinquatum & </s>
            <s xml:id="echoid-s14258" xml:space="preserve">erectum, obje-
              <lb/>
              <note position="right" xlink:label="note-0559-07" xlink:href="note-0559-07a" xml:space="preserve">774.</note>
            ctum apparet; </s>
            <s xml:id="echoid-s14259" xml:space="preserve">videtur enim ſub angulo D o D, dum nudis
              <lb/>
            oculis ſub angulo exiguo apparet; </s>
            <s xml:id="echoid-s14260" xml:space="preserve">etiam objectum appro-
              <lb/>
            pinquatum habemus, quia, licèt ultra a e videatur, </s>
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