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

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            <s xml:id="echoid-s6129" xml:space="preserve">
              <pb o="558" file="0290" n="305" rhead="CHRIST. HUGENII"/>
            ſchemate apparent, de ſuo, ut opinor, adjecit.</s>
            <s xml:id="echoid-s6130" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6131" xml:space="preserve">Porro ab hiſce figuris non multum recedit ea quæ à Fr.
              <lb/>
            </s>
            <s xml:id="echoid-s6132" xml:space="preserve">
              <note position="left" xlink:label="note-0290-01" xlink:href="note-0290-01a" xml:space="preserve">TAB. LII.
                <lb/>
              fig. 11.</note>
            Fontana vulgata fuit, undecima tabellæ noſtræ. </s>
            <s xml:id="echoid-s6133" xml:space="preserve">Quam qui-
              <lb/>
            dem & </s>
            <s xml:id="echoid-s6134" xml:space="preserve">Ricciolus anno 1646 ſibi viſam ſcribit. </s>
            <s xml:id="echoid-s6135" xml:space="preserve">Sed minus
              <lb/>
            bonis teleſcopiis tunc uſum crediderim, quam quibus modo
              <lb/>
            dictas octavam nonamque detexit. </s>
            <s xml:id="echoid-s6136" xml:space="preserve">Siquidem eodem anno
              <lb/>
            1646 ſeptimam formam ſe vidiſſe teſtatur Hevelius, cui po-
              <lb/>
            tius hic ſtandum eſt. </s>
            <s xml:id="echoid-s6137" xml:space="preserve">Nam Fontanæ obſervationes quomi-
              <lb/>
            nus in dubium vocare verear facit, quod etiam olim magis
              <lb/>
            monſtroſas formas Martis publicavit, veluti trilateræ cujuſ-
              <lb/>
            dam rupis, ac rurſus aliter cum nigra in medio orbe macula;
              <lb/>
            </s>
            <s xml:id="echoid-s6138" xml:space="preserve">quæ nos cum aliis multis fabuloſa comperimus. </s>
            <s xml:id="echoid-s6139" xml:space="preserve">Hæc ta-
              <lb/>
            men, quam in Saturno prodidit formæ diverſitatem, neque
              <lb/>
            magna eſt, ut dixi, neque miranda.</s>
            <s xml:id="echoid-s6140" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s6141" xml:space="preserve">Plus negotii poſteriores duæ, duodecima decimatertiaque,
              <lb/>
              <note position="left" xlink:label="note-0290-02" xlink:href="note-0290-02a" xml:space="preserve">Fig. 12. 13.</note>
            exhibituræ videntur: </s>
            <s xml:id="echoid-s6142" xml:space="preserve">quarum priorem præter Blancanum e-
              <lb/>
            iam Gaſſendus prodidit; </s>
            <s xml:id="echoid-s6143" xml:space="preserve">reliquam Ricciolus, aliunde tamen
              <lb/>
            acceptam, nobis impertiit. </s>
            <s xml:id="echoid-s6144" xml:space="preserve">Mirabilis præſertim illa Gaſſen-
              <lb/>
            di apparet. </s>
            <s xml:id="echoid-s6145" xml:space="preserve">Verumtamen ſi bene perpendatur, facile eſt
              <lb/>
            intelligere, quo pacto ab nona figura hæc defluxerit. </s>
            <s xml:id="echoid-s6146" xml:space="preserve">Nam
              <lb/>
            ſi tantum in locum rotundarum lacunarum, lunatæ ſubſti-
              <lb/>
            tuantur, cornibus ſeſe mutuo reſpicientibus, jam profecto
              <lb/>
            nona illa exiſtet, quam Ricciolus adnotavit. </s>
            <s xml:id="echoid-s6147" xml:space="preserve">Nihil mi-
              <lb/>
            rum autem Gaſſendo ac Blancano, cum non magnis perſpi-
              <lb/>
            cillis uterentur, rotundas potius eas maculas quam lunula-
              <lb/>
            rum forma apparuiſſe, ſiquidem partes harum acuminatas di-
              <lb/>
            ſtinctè percipere illis negatum fuit. </s>
            <s xml:id="echoid-s6148" xml:space="preserve">Tertiadecima denique
              <lb/>
            quam Ricciolus à Fontana, itemque ab aliis Romæ viſam
              <lb/>
            memorat, anno 1644 & </s>
            <s xml:id="echoid-s6149" xml:space="preserve">1645: </s>
            <s xml:id="echoid-s6150" xml:space="preserve">eam quoque pro octava ac
              <lb/>
            nona ſuppoſitam eſſe certum eſt, vel etiam pro ſeptima quam
              <lb/>
            Hevelius prodidit. </s>
            <s xml:id="echoid-s6151" xml:space="preserve">Non ſolum enim Ricciolus hanc ſibi
              <lb/>
            unquam oblatam negat, ſolas octavam, nonamque cum an-
              <lb/>
            ſis ſe vidiſſe affirmans: </s>
            <s xml:id="echoid-s6152" xml:space="preserve">ſed & </s>
            <s xml:id="echoid-s6153" xml:space="preserve">eodem anno 1645 Heveliano
              <lb/>
            teleſcopio ſeptima illa conſpecta fuit. </s>
            <s xml:id="echoid-s6154" xml:space="preserve">Nempe anſas Satur-
              <lb/>
            no conjungi rectè hîc Fontana animadvertit; </s>
            <s xml:id="echoid-s6155" xml:space="preserve">ſed cum præci-
              <lb/>
            puus earum ſplendor à parte gibba procederet, orbicularem
              <lb/>
            ibi figuram conſtituere viſus eſt.</s>
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