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

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        <div xml:id="echoid-div369" type="section" level="1" n="148">
          <p>
            <s xml:id="echoid-s7843" xml:space="preserve">
              <pb o="625" file="0361" n="378" rhead="SYSTEMATIS SATURNII."/>
            mihi phænomenon illud confictum credatur, idem & </s>
            <s xml:id="echoid-s7844" xml:space="preserve">in An-
              <lb/>
            glia pridem obſervari cœpiſſe ſciendum eſt; </s>
            <s xml:id="echoid-s7845" xml:space="preserve">ut liquet ex lite-
              <lb/>
            ris Viri Clar. </s>
            <s xml:id="echoid-s7846" xml:space="preserve">Joh. </s>
            <s xml:id="echoid-s7847" xml:space="preserve">Walliſii, Oxonia ad me datis 22. </s>
            <s xml:id="echoid-s7848" xml:space="preserve">Dec.
              <lb/>
            </s>
            <s xml:id="echoid-s7849" xml:space="preserve">1658. </s>
            <s xml:id="echoid-s7850" xml:space="preserve">quibus inter alia hæc ſcribit. </s>
            <s xml:id="echoid-s7851" xml:space="preserve">Monebam etiam eiſdem
              <lb/>
            literis (nempe datis 29 Maji, 1656) de Saturni faſcia
              <lb/>
            quam jam ante obſervaverat D. </s>
            <s xml:id="echoid-s7852" xml:space="preserve">Ball, & </s>
            <s xml:id="echoid-s7853" xml:space="preserve">ſciſcitabar num
              <lb/>
            tu eandem conſpexeras, &</s>
            <s xml:id="echoid-s7854" xml:space="preserve">c. </s>
            <s xml:id="echoid-s7855" xml:space="preserve">Eam porro faſciam à 5 Febr. </s>
            <s xml:id="echoid-s7856" xml:space="preserve">
              <lb/>
            1656 ad 2 Jul. </s>
            <s xml:id="echoid-s7857" xml:space="preserve">quo tempore rotundus Saturnus abſque anſis
              <lb/>
            apparuit, medium Planetæ diſcum ſecare D. </s>
            <s xml:id="echoid-s7858" xml:space="preserve">Ball. </s>
            <s xml:id="echoid-s7859" xml:space="preserve">adnota-
              <lb/>
            vit, ut in ſchemate ad me miſſo expreſſa eſt. </s>
            <s xml:id="echoid-s7860" xml:space="preserve">Atque ita mi-
              <lb/>
            hi quoque fuerat eo tempore obſervata, ut cernitur pag. </s>
            <s xml:id="echoid-s7861" xml:space="preserve">544
              <lb/>
            ſyſtematis Saturnii, quam figuram hîc repeto. </s>
            <s xml:id="echoid-s7862" xml:space="preserve">Poſtmodum
              <lb/>
              <note position="right" xlink:label="note-0361-01" xlink:href="note-0361-01a" xml:space="preserve">TAB. LI.
                <lb/>
              fig. 4.</note>
            tamen renatis Saturni anſis cum difficillimè conſpici eadem
              <lb/>
            faſcia cœpiſſet, minus rectè quoque à D. </s>
            <s xml:id="echoid-s7863" xml:space="preserve">Ball, quantum ad
              <lb/>
            ſitum attinet, depicta eſt. </s>
            <s xml:id="echoid-s7864" xml:space="preserve">At in mearum obſervationum
              <lb/>
            adverſariis, die 26 Nov. </s>
            <s xml:id="echoid-s7865" xml:space="preserve">1656, & </s>
            <s xml:id="echoid-s7866" xml:space="preserve">alias adſcriptum invenio,
              <lb/>
            lineam obſcuram fuiſſe evidentiſſimam, eo nempe poſitu qui
              <lb/>
            pag. </s>
            <s xml:id="echoid-s7867" xml:space="preserve">545, Syſtem. </s>
            <s xml:id="echoid-s7868" xml:space="preserve">Saturnii memoratur. </s>
            <s xml:id="echoid-s7869" xml:space="preserve">Neque id monere
              <lb/>
            neglexiſſem, obſervationes eas recenſens, ſi quicquam profu-
              <lb/>
            turum putaſſem apud illos qui me data opera lectores fallere
              <lb/>
            voluiſſe ſuſpicarentur. </s>
            <s xml:id="echoid-s7870" xml:space="preserve">Difficillime autem, ut dixi, tractus
              <lb/>
            hic obſcurus deinceps cerni cœpit, imo vix jam amplius a-
              <lb/>
            nimadverti poteſt; </s>
            <s xml:id="echoid-s7871" xml:space="preserve">quod & </s>
            <s xml:id="echoid-s7872" xml:space="preserve">ſyſtemati meo conſentaneum eſt,
              <lb/>
            quippe magnâ jam annuli Saturnii inclinatione; </s>
            <s xml:id="echoid-s7873" xml:space="preserve">ad quam
              <lb/>
            accedit, quod & </s>
            <s xml:id="echoid-s7874" xml:space="preserve">anſarum ſplendor, duplo quam alias luci-
              <lb/>
            diorem Saturnum efficiens, oculorum aciem nunc magis im-
              <lb/>
            pedit.</s>
            <s xml:id="echoid-s7875" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s7876" xml:space="preserve">Qualia igitur ſint Diviniana teleſcopia cum noſtris collata,
              <lb/>
            ex his quæ dicta ſunt, cuilibet manifeſtum opinor. </s>
            <s xml:id="echoid-s7877" xml:space="preserve">Eadem
              <lb/>
            verò & </s>
            <s xml:id="echoid-s7878" xml:space="preserve">Anglicanis viliora eſſe alia præterea ratione oſten-
              <lb/>
            dam, quo minus dubitetur phænomena ea vera eſſe, quæ
              <lb/>
            pariter cum Anglis ego obſervavi. </s>
            <s xml:id="echoid-s7879" xml:space="preserve">Nam & </s>
            <s xml:id="echoid-s7880" xml:space="preserve">illa quæ ad an-
              <lb/>
            ſatas Saturni phaſes attinent, teſtimonio illorum confirma-
              <lb/>
            turus ſum. </s>
            <s xml:id="echoid-s7881" xml:space="preserve">Vir quidam nobilis ex Gallia, eruditus, acerri-
              <lb/>
            mique ingenii, qui Romæ teleſcopia apud artificem iſtum vi-
              <lb/>
            derat, hoc ipſo anno 1660, ſuper iis hæc ad me ſcribit. </s>
            <s xml:id="echoid-s7882" xml:space="preserve"/>
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