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

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          <p>
            <s xml:id="echoid-s6102" xml:space="preserve">
              <pb o="557" file="0289" n="304" rhead="SYSTEMA SATURNIUM."/>
            trahat longitudinem. </s>
            <s xml:id="echoid-s6103" xml:space="preserve">Hæc autem phaſis tum ſibi ipſi tum
              <lb/>
            ſuperiori fidem derogat, alterutram certe haud veram fuiſſe
              <lb/>
            arguit; </s>
            <s xml:id="echoid-s6104" xml:space="preserve">quoniam eodem tempore, anno nimirum 1614, al-
              <lb/>
            tera à Scheinero, altera à Galilæo aliisque obſervata perhibe-
              <lb/>
            tur. </s>
            <s xml:id="echoid-s6105" xml:space="preserve">Ut proinde dubitandum non ſit, quin & </s>
            <s xml:id="echoid-s6106" xml:space="preserve">hæc ſimilis ex-
              <lb/>
            titerit ei quam nos anno 1657 vel 1658 in commentaria re-
              <lb/>
            tulimus. </s>
            <s xml:id="echoid-s6107" xml:space="preserve">Neque aliud de tertia hujus tabellæ exiſtimandum
              <lb/>
              <note position="right" xlink:label="note-0289-01" xlink:href="note-0289-01a" xml:space="preserve">TAB. XLII.
                <lb/>
              fig. 3.</note>
            eſt, quæ Ricciolo ſecunda ponitur, quamque anno 1640 & </s>
            <s xml:id="echoid-s6108" xml:space="preserve">
              <lb/>
            1643 obſervatam ſcribit. </s>
            <s xml:id="echoid-s6109" xml:space="preserve">Veritati tamen propior hæc vide-
              <lb/>
            ri poteſt, quod pro orbiculis oblongas atque olivæ ſimiles
              <lb/>
            figuras habeat.</s>
            <s xml:id="echoid-s6110" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6111" xml:space="preserve">Quarta eſt quam in locum triſphæricæ formæ Hevelius ad-
              <lb/>
              <note position="right" xlink:label="note-0289-02" xlink:href="note-0289-02a" xml:space="preserve">fig. 4.</note>
            ſumſit in libro de Saturni nativa facie; </s>
            <s xml:id="echoid-s6112" xml:space="preserve">ubi ſecundum leges
              <lb/>
            hypotheſeos ſuæ aſſerit talem quandoque cerni debere, quæ
              <lb/>
            tamen ex viſus hallucinatione in triſphæricam degeneret.
              <lb/>
            </s>
            <s xml:id="echoid-s6113" xml:space="preserve">Quanquam mihi ne iſtiuſmodi quidem forma ſatis convenire
              <lb/>
            hypotheſi illius videatur, ut poſtea oſtendemus.</s>
            <s xml:id="echoid-s6114" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6115" xml:space="preserve">Ejuſdem Hevelii etiam quinta eſt, cui ſimilem Gaſſendus
              <lb/>
              <note position="right" xlink:label="note-0289-03" xlink:href="note-0289-03a" xml:space="preserve">fig. 5.</note>
            edidit. </s>
            <s xml:id="echoid-s6116" xml:space="preserve">Et hæc quidem ſatis prope cum noſtra illa anni 1658
              <lb/>
            conſentit, niſi quod partes brachiorum tenuiores, qua me-
              <lb/>
            dio diſco adnectuntur utriuſque tubi non ſint aſſecuti.</s>
            <s xml:id="echoid-s6117" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6118" xml:space="preserve">Idemque in 6 & </s>
            <s xml:id="echoid-s6119" xml:space="preserve">7 contigit, quæ ambæ ab Hevelio quo-
              <lb/>
              <note position="right" xlink:label="note-0289-04" xlink:href="note-0289-04a" xml:space="preserve">fig. 6. 7.</note>
            que traduntur, ſimiles iis quas circa eadem tempora Riccio-
              <lb/>
            lus obſervavit, nimirum anno 1648, 1649 & </s>
            <s xml:id="echoid-s6120" xml:space="preserve">1650, quæ hic
              <lb/>
            octavo nonoque loco exhibentur. </s>
            <s xml:id="echoid-s6121" xml:space="preserve">Neque alia re differunt,
              <lb/>
              <note position="right" xlink:label="note-0289-05" xlink:href="note-0289-05a" xml:space="preserve">fig. 8. 9.</note>
            quàm quod medius orbis Hevelio nonnihil oblongus appa-
              <lb/>
            ruit, cum Ricciolo rotundus fuerit: </s>
            <s xml:id="echoid-s6122" xml:space="preserve">quodque hic connexas
              <lb/>
            anſas cum inter ſe tum Saturno ipſi ſpectaverit, quæ Heve-
              <lb/>
            lio pauxillo à contactu abeſſe viſæ ſint. </s>
            <s xml:id="echoid-s6123" xml:space="preserve">Verum ipſe Heve-
              <lb/>
            lius cauſam cur ſeparatæ videantur viſus imbecillitati adſcri-
              <lb/>
            bit, cum alioqui reipſa cohærere eas Saturno ſtatuat.</s>
            <s xml:id="echoid-s6124" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6125" xml:space="preserve">Tales autem & </s>
            <s xml:id="echoid-s6126" xml:space="preserve">Euſtachius de Divinis notavit anno 1646,
              <lb/>
              <note position="right" xlink:label="note-0289-06" xlink:href="note-0289-06a" xml:space="preserve">fig. 10.</note>
            1647 & </s>
            <s xml:id="echoid-s6127" xml:space="preserve">1648, à quo editum ſchema ad num. </s>
            <s xml:id="echoid-s6128" xml:space="preserve">10 hic exhi-
              <lb/>
            buimus. </s>
            <s xml:id="echoid-s6129" xml:space="preserve">lsque cum præſtantiſſimus perſpicillorum artifex
              <lb/>
            habeatur, credibile eſt omnium emendatiſſimè nativam Sa-
              <lb/>
            turni faciem nobis deſcripſiſſe, niſi quod umbras illas quæ </s>
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