Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

Page concordance

< >
Scan Original
251 515
252 516
253 517
254 518
255 519
256 520
257
258
259
260
261
262
263
264 523
265 524
266 525
267 526
268
269
270 529
271 530
272 531
273 532
274 533
275 534
276 535
277 536
278 537
279 538
280 539
< >
page |< < (584) of 568 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div308" type="section" level="1" n="142">
          <p>
            <s xml:id="echoid-s6729" xml:space="preserve">
              <pb o="584" file="0320" n="337" rhead="CHRIST. HUGENII"/>
            nuli planum, quam initio Sept. </s>
            <s xml:id="echoid-s6730" xml:space="preserve">tantum gr. </s>
            <s xml:id="echoid-s6731" xml:space="preserve">2. </s>
            <s xml:id="echoid-s6732" xml:space="preserve">15′, fuiſſe
              <lb/>
            diximus, ſimul imminuta eſt. </s>
            <s xml:id="echoid-s6733" xml:space="preserve">Pari ratione nec Gaſſendus
              <lb/>
            brachia ulla percipere potuit menſe Febr. </s>
            <s xml:id="echoid-s6734" xml:space="preserve">anni 1643. </s>
            <s xml:id="echoid-s6735" xml:space="preserve">etſi
              <lb/>
            tunc quoque Sol oculuſque obſervantis eandem annuli ſuper-
              <lb/>
            ficiem intuebantur; </s>
            <s xml:id="echoid-s6736" xml:space="preserve">ſcilicet quia Saturni locus eccentricus in
              <lb/>
            gr. </s>
            <s xml:id="echoid-s6737" xml:space="preserve">26. </s>
            <s xml:id="echoid-s6738" xml:space="preserve">♓ inveniebatur, hoc eſt 5{1/2} gr. </s>
            <s xml:id="echoid-s6739" xml:space="preserve">à loco æquinoctii,
              <lb/>
            eoque altitudo Solis ſupra annuli ſuperſiciem tantum g. </s>
            <s xml:id="echoid-s6740" xml:space="preserve">2.
              <lb/>
            </s>
            <s xml:id="echoid-s6741" xml:space="preserve">11′. </s>
            <s xml:id="echoid-s6742" xml:space="preserve">Denique & </s>
            <s xml:id="echoid-s6743" xml:space="preserve">anno 1656, menſis Martii diebus aliquot,
              <lb/>
            quibus ſimiliter eadem annuli ſuperficies ad nos Solemque
              <lb/>
            ſpectabat, multo minus brachiorum ullum veſtigium appa-
              <lb/>
            rere debuit, quod nunquam dimidio gr. </s>
            <s xml:id="echoid-s6744" xml:space="preserve">ſupra planum an-
              <lb/>
            nuli Sol attolleretur. </s>
            <s xml:id="echoid-s6745" xml:space="preserve">Nam reliquo tempore fulſionis illius,
              <lb/>
            diverſas partes loci æquinoctiorum locus Saturni ex Sole at-
              <lb/>
            que obſervatus locus obtinebant, unde ex ſuperius allata
              <lb/>
            cauſa brachiorum expertem cerni oportuit.</s>
            <s xml:id="echoid-s6746" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6747" xml:space="preserve">Neque verò magis conſpicuum nobis annulum fieri cre-
              <lb/>
            dendum eſt, ſi altius ſupra planum ejus oculus attollatur,
              <lb/>
            Sole tamen ex obliquo tantum radiis ſuis eum perſtringente,
              <lb/>
            quemadmodum contigit dicta Saturni ſtatione ad 14 Nov.
              <lb/>
            </s>
            <s xml:id="echoid-s6748" xml:space="preserve">1612; </s>
            <s xml:id="echoid-s6749" xml:space="preserve">quippe quo tempore Sol gradu 1. </s>
            <s xml:id="echoid-s6750" xml:space="preserve">36′ ſupra planum
              <lb/>
            annuli aſcenderat, viſus autem noſter gr. </s>
            <s xml:id="echoid-s6751" xml:space="preserve">3. </s>
            <s xml:id="echoid-s6752" xml:space="preserve">53′. </s>
            <s xml:id="echoid-s6753" xml:space="preserve">Idem enim
              <lb/>
            in quacunqne plana ſuperficie experiri licet, in quam ſi à la-
              <lb/>
            tere radii luminis incidant, non apparcbit illuſtrior quocun-
              <lb/>
            que in loco viſus ſtatuatur, ſed tum demum, ſi radios à lu-
              <lb/>
            mine rectiores accipiat. </s>
            <s xml:id="echoid-s6754" xml:space="preserve">Uti contra quoque ſi amplius ad
              <lb/>
            lumen obverſa directiuſque illuminata fuerit, non refert
              <lb/>
            quàm obliquè in eam radii viſus incidant, ſed undecunque
              <lb/>
            ſpectata æque lucida apparebit. </s>
            <s xml:id="echoid-s6755" xml:space="preserve">Atque ita fit ut cum Sol
              <lb/>
            paulo altius ſupra planum annuli ſeſe extulit, tribus puta
              <lb/>
            gradibus aut paulo amplius; </s>
            <s xml:id="echoid-s6756" xml:space="preserve">viſu licet noſtro non niſi uno
              <lb/>
            gradu extante; </s>
            <s xml:id="echoid-s6757" xml:space="preserve">ſplendere jam nunc annulus incipiat, Satur-
              <lb/>
            noque brachia adnaſcantur. </s>
            <s xml:id="echoid-s6758" xml:space="preserve">Sicut anno 1612. </s>
            <s xml:id="echoid-s6759" xml:space="preserve">circa ſolſti-
              <lb/>
            tium accidit, Saturno ex Sole circa gr. </s>
            <s xml:id="echoid-s6760" xml:space="preserve">12. </s>
            <s xml:id="echoid-s6761" xml:space="preserve">♓, hoc eſt, gr. </s>
            <s xml:id="echoid-s6762" xml:space="preserve">
              <lb/>
            8{1/2} ab æquinoctio ſuo agente, ac proinde Solis altitudine ſu-
              <lb/>
            pra planum annuli graduum 3. </s>
            <s xml:id="echoid-s6763" xml:space="preserve">23′: </s>
            <s xml:id="echoid-s6764" xml:space="preserve">Galilæi verò oculo vix
              <lb/>
            uno gr. </s>
            <s xml:id="echoid-s6765" xml:space="preserve">ſupra idem planum elevato. </s>
            <s xml:id="echoid-s6766" xml:space="preserve">Videbatur enim </s>
          </p>
        </div>
      </text>
    </echo>
Impressum