Clavius, Christoph, In Sphaeram Ioannis de Sacro Bosco commentarius

Table of figures

< >
[Figure 91]
[Figure 92]
[Figure 93]
[Figure 94]
[Figure 95]
[Figure 96]
[Figure 97]
[Figure 98]
[Figure 99]
[Figure 100]
[Figure 101]
[Figure 102]
[Figure 103]
[Figure 104]
< >
page |< < (455) of 525 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div892" type="section" level="1" n="358">
          <p>
            <s xml:id="echoid-s17224" xml:space="preserve">
              <pb o="455" file="491" n="492" rhead="Ioan. de Sacro Boſco."/>
            deremus eandem Lunæ medietatem,
              <lb/>
              <figure xlink:label="fig-491-01" xlink:href="fig-491-01a" number="103">
                <image file="491-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/491-01"/>
              </figure>
            ſed quando eſt in parte Epicycli infe-
              <lb/>
            riori, vna nobis appareret, & </s>
            <s xml:id="echoid-s17225" xml:space="preserve">quan-
              <lb/>
            do eſt in ſuperiori parte, altera, vt
              <lb/>
            in hac appoſita figuta manifeſtum eſt.
              <lb/>
            </s>
            <s xml:id="echoid-s17226" xml:space="preserve">Nam dum Luna eſt in parte inferiori
              <lb/>
            Epicycli, apparebit nobis eius me-
              <lb/>
            dietas, in qua litera A; </s>
            <s xml:id="echoid-s17227" xml:space="preserve">Dum vero
              <lb/>
            verſatur in parte ſuperiori, obijcietur
              <lb/>
            nobis altera medietas, in qua litera
              <lb/>
            B. </s>
            <s xml:id="echoid-s17228" xml:space="preserve">Sed hoc eſt contra quotidianam
              <lb/>
            experientiam. </s>
            <s xml:id="echoid-s17229" xml:space="preserve">Videmus enim per-
              <lb/>
            petuo maculas Lunæ ad nos vergere. </s>
            <s xml:id="echoid-s17230" xml:space="preserve">
              <lb/>
            Ex quo ſequitur, eandem nos ſem-
              <lb/>
            per medietatem intueri. </s>
            <s xml:id="echoid-s17231" xml:space="preserve">Apparet igi-
              <lb/>
            tur vanitas Epicycli in Luna. </s>
            <s xml:id="echoid-s17232" xml:space="preserve">Affert
              <lb/>
            quidem Fracaſtorius loco citato alias rationes, quas, quia nullius ſunt mo-
              <lb/>
            menti, conſulto prætermittimus.</s>
            <s xml:id="echoid-s17233" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17234" xml:space="preserve">
              <emph style="sc">His</emph>
            autem omnibus argumentis facile ſatisfaciemus. </s>
            <s xml:id="echoid-s17235" xml:space="preserve">Ad primũ enim re-
              <lb/>
              <note position="right" xlink:label="note-491-01" xlink:href="note-491-01a" xml:space="preserve">Solutio @
                <lb/>
              obiectionis</note>
            ſpondemus, Eccentricos, & </s>
            <s xml:id="echoid-s17236" xml:space="preserve">Epicyclos moueri circa medium propriũ, hoc eſt
              <lb/>
            circa propria centra. </s>
            <s xml:id="echoid-s17237" xml:space="preserve">Quod autem hoc motu nunc ad terram magis accedãt,
              <lb/>
            nunc longius ab ea dimoueantur, hoc non eſt abſurdũ; </s>
            <s xml:id="echoid-s17238" xml:space="preserve">quia hic acceſſus, & </s>
            <s xml:id="echoid-s17239" xml:space="preserve">
              <lb/>
            receſſus non fit per lineam rectam, quem ſolum à corporibus cęleſtibus Ari-
              <lb/>
            ſtoteles ex cluſit, cũ ſolis elemẽtis conueniat, quæ grauia ſunt, ac leuia. </s>
            <s xml:id="echoid-s17240" xml:space="preserve">Quòd
              <lb/>
            ſi quis contendat, Ariſtotelem contrarium putaſſe, condonãdum ei hoc erit.
              <lb/>
            </s>
            <s xml:id="echoid-s17241" xml:space="preserve">Locutus eſt enim de illis duntaxat motibus, qui ſuo tempore cogniti erant,
              <lb/>
            quales ſunt à medio, & </s>
            <s xml:id="echoid-s17242" xml:space="preserve">ad medium per lineam rectam, & </s>
            <s xml:id="echoid-s17243" xml:space="preserve">circa mediũ mun-
              <lb/>
            di. </s>
            <s xml:id="echoid-s17244" xml:space="preserve">Quod ſi motus Eccentricorum, & </s>
            <s xml:id="echoid-s17245" xml:space="preserve">Epicyclorum ſuo tempore noti fuiſſent,
              <lb/>
            non dubito, quin aliter de motu circa medium locutus fuiſſet. </s>
            <s xml:id="echoid-s17246" xml:space="preserve">Si vero aduer-
              <lb/>
            ſarijs ſolutio hæc non ſatisfacit, probandum illis non erit, omnem motũ cæ-
              <lb/>
            leſtem fieri debere circa centrum mundi, quod nunquam aſſequentur. </s>
            <s xml:id="echoid-s17247" xml:space="preserve">Non
              <lb/>
            enim ad ipſos ſpectat, leges præſcribere motibus cæleſtibus, ſed ad Deũ Opt. </s>
            <s xml:id="echoid-s17248" xml:space="preserve">
              <lb/>
            Max. </s>
            <s xml:id="echoid-s17249" xml:space="preserve">qui infinita ſua bonitate, ac prouidentia iudicauit expedire, ut planetæ
              <lb/>
            non in concentricis orbibus ferrentur circa terram.</s>
            <s xml:id="echoid-s17250" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17251" xml:space="preserve">
              <emph style="sc">Secvndam</emph>
            obiectionem ſoluemus, ſi dicamus, omnes orbes Eccentricos,
              <lb/>
              <note position="right" xlink:label="note-491-02" xlink:href="note-491-02a" xml:space="preserve">Solutio 2.
                <lb/>
              obiectionis</note>
            etiam illos ſecundũ quid, atq; </s>
            <s xml:id="echoid-s17252" xml:space="preserve">Epicyclos, perfectiſſime eſſe ſphæricos, quoad
              <lb/>
            propria cẽtra. </s>
            <s xml:id="echoid-s17253" xml:space="preserve">Superficies enim extimæ oĩum horum orbiũ ſecundum oẽs par-
              <lb/>
            tes æqualiter à ſuis centris abſunt. </s>
            <s xml:id="echoid-s17254" xml:space="preserve">Neq; </s>
            <s xml:id="echoid-s17255" xml:space="preserve">uero obſtat, quòd orbes Eccẽtrici ſe
              <lb/>
            cundum quid, craſſiores ſunt una parte, quàm alia: </s>
            <s xml:id="echoid-s17256" xml:space="preserve">quia nulla ratio naturalis
              <lb/>
            perſuadere poteſt, omnes orbes cæleſtes debere eſſe uniformis, & </s>
            <s xml:id="echoid-s17257" xml:space="preserve">æqualis craſ
              <lb/>
            ſitiei. </s>
            <s xml:id="echoid-s17258" xml:space="preserve">Si uero Ariſtoteles contrariũ docuit, nos ei hac in parte nõ credimus.</s>
            <s xml:id="echoid-s17259" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17260" xml:space="preserve">
              <emph style="sc">Qvod</emph>
            ad tertium argumentum attinet, uehementer miror, Auerroem,
              <lb/>
              <note position="right" xlink:label="note-491-03" xlink:href="note-491-03a" xml:space="preserve">Solutio 3.
                <lb/>
              obiectionis</note>
            & </s>
            <s xml:id="echoid-s17261" xml:space="preserve">Auerroiſtas, quos uerius hac in parte Erroiſtas dixeris, tam infenſo animo
              <lb/>
            in Eccentricos, & </s>
            <s xml:id="echoid-s17262" xml:space="preserve">Epicyclos ferri.</s>
            <s xml:id="echoid-s17263" xml:space="preserve">, ut intelligere noluerint, qua ratione mo-
              <lb/>
            ueantur. </s>
            <s xml:id="echoid-s17264" xml:space="preserve">Non enim duo illi Eccentrici ſecundũ quid ita mouentur, ut pars te
              <lb/>
            nuuior unius ſuccedat in locum craſſioris, & </s>
            <s xml:id="echoid-s17265" xml:space="preserve">contra, ut ipſi falſo imaginãtur;
              <lb/>
            </s>
            <s xml:id="echoid-s17266" xml:space="preserve">ſed proportionaliter ita ſimul feruntur, ut perpetuo pars craſſior inferioris
              <lb/>
            ſubſit tenuiori parti ſuperioris, & </s>
            <s xml:id="echoid-s17267" xml:space="preserve">contra, ſecumq; </s>
            <s xml:id="echoid-s17268" xml:space="preserve">circumducant </s>
          </p>
        </div>
      </text>
    </echo>