Benedetti, Giovanni Battista de, Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]

Table of contents

< >
< >
page |< < (242) of 445 > >|
    <echo version="1.0">
      <text type="book" xml:lang="la">
        <div xml:id="echoid-div7" type="body" level="1" n="1">
          <div xml:id="echoid-div477" type="chapter" level="2" n="6">
            <div xml:id="echoid-div495" type="section" level="3" n="5">
              <div xml:id="echoid-div495" type="letter" level="4" n="1">
                <p>
                  <s xml:id="echoid-s3043" xml:space="preserve">
                    <reg norm="re­ ferre" type="conjecture" resp="paul">
                      <pb o="242" rhead="IO. BAPT. BENED." n="254" file="0254" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/pageimg/0254"/>
                    ferre</reg>
                  vt anni directionum correſpondeant gradibus æquatoris. </s>
                  <s xml:id="echoid-s3044" xml:space="preserve">Et præterea in ephe
                    <lb/>
                  meridibus videntur certè motus & aſpectus luminarium, quamuis inſit
                    <reg norm="differentia" type="context">differẽtia</reg>
                  mi
                    <lb/>
                  nutorum. </s>
                  <s xml:id="echoid-s3045" xml:space="preserve">Nam non differunt gradibus, præter ſitum parum diſtantem à vero om-
                    <lb/>
                  nium planetarum, quorum cognitio in cœlo, quamuis circa eorum locum error eſ-
                    <lb/>
                  ſet gra .10. tamen in hoc prodeſſet, & tempus aſpectus eorum, etſinon diei præcisè,
                    <lb/>
                  quia influentia eiuſmodi a ſpectuum, præterquam Lunæ durat multis diebus, & non
                    <lb/>
                  vno tantum. </s>
                  <s xml:id="echoid-s3046" xml:space="preserve">præterquam quod ipſæ ephemerides
                    <reg norm="oſtendunt" type="context">oſtendũt</reg>
                  nobis tempus
                    <reg norm="ecclipſium" type="context">ecclipſiũ</reg>
                  ,
                    <lb/>
                  in quo certènon differunt nec diebus nec multis horis, & itidem multa alia.</s>
                </p>
                <p>
                  <s xml:id="echoid-s3047" xml:space="preserve">Non ſunt igitur contemnendæ ephemerides, nec habendæ pro re nullius pretij,
                    <lb/>
                  vt hic ait.</s>
                </p>
                <p>
                  <s xml:id="echoid-s3048" xml:space="preserve">Quod attinet ad illa alia, quæ hic vocat errores ephemeridum, tam de apparenti
                    <lb/>
                  coniunctione Saturni cum Ioue in ſignis alterius triplicitatis prius quam peręgerit
                    <lb/>
                  præcedentem, quam de faciendo currere
                    <reg norm="Saturnum" type="context">Saturnũ</reg>
                  , & de retinendo Ioue, de
                    <reg norm="detinem" type="context">detinẽ</reg>
                    <lb/>
                  do Marte .6. aut .7. menſibus in vno ſigno, de Marte, & Ioue non coeuntibus ſingu-
                    <lb/>
                  lis .24. annis in quolibet ſigno, & cius generis alia, minime verum eſt quod ſint er-
                    <lb/>
                  rores, quamuis huic præbuerint occaſionem toties errandi.</s>
                </p>
                <p>
                  <s xml:id="echoid-s3049" xml:space="preserve">Comparatio poſtea inter eius calculos ſumptos partim ex tabulis Iunctini, & par
                    <lb/>
                  tim ex ephemeridibus Stadij tan quam calculis Copernici, & calculos figurarum ſu-
                    <lb/>
                  per eis poſitarum ſupputatarum à diuerſis per ephemeridas Alfonſinas, etiam pro-
                    <lb/>
                  poſita ab eo eſt ad oſtendendum magnam & monſtruoſam differentiam, vt ait cap
                    <num value="2">.
                      <lb/>
                    2.</num>
                  vbi miratur, quod cum ex communi ſententia calculi Copernici meliores ſint, cal
                    <lb/>
                  culatores dictarum figurarum potius eos ſumpſerint à tabulis Alfonſi, quam Coper
                    <lb/>
                  nici. </s>
                  <s xml:id="echoid-s3050" xml:space="preserve">Quæ admiratio quam aliena ſit, conſiderandum permittam cuiuis intelligen-
                    <lb/>
                  ti harum ſacultatum, cum ſæpe accidere poſſit. </s>
                  <s xml:id="echoid-s3051" xml:space="preserve">vt cum aliquis velit ſcire ſolum vni
                    <lb/>
                  uerſalia alicuius geneſis, ſiue natiuitatis, cum non inueniantur ephemerides Coper-
                    <lb/>
                  nici, ſed tantum Alfonſi, calculator vtatur tantum ephemeridibus, quas inuenit,
                    <reg norm="tum" type="context">tũ</reg>
                    <lb/>
                  cauſa vitandi tædij calculi tabularum, qui magni laboris eſt, pręcipuè in tabulis Pru
                    <lb/>
                  tenicis Reinoldi. </s>
                  <s xml:id="echoid-s3052" xml:space="preserve">tum quia ſuperflua ei eſt ſumma ſubtilitas, cum non curet laborare
                    <lb/>
                  circa directiones vt
                    <reg norm="factum" type="context">factũ</reg>
                  eſt pro
                    <reg norm="ſecunda" type="context">ſecũda</reg>
                  figura ab hoc propoſita, quæ erat anni .1551
                    <lb/>
                  quo non
                    <reg norm="inueniebantur" type="context">inueniebãtur</reg>
                  ephemerides Copernicæ, quæ non editæ ſunt ante annum
                    <lb/>
                  1554. præter quam quod ille nobilis vir pro quo ſupputata fuit dicta ſecunda natiui
                    <lb/>
                  tas dubitabat de anno, vt hic ſimiliter ſcit. </s>
                  <s xml:id="echoid-s3053" xml:space="preserve">quare potuiſſet perdi tempus, & labor, ſi
                    <lb/>
                  ſupputata fuiſſet per tabulas Reinoldi, nam Iunctini tabulæ nondum editæ fuerant.
                    <lb/>
                  </s>
                  <s xml:id="echoid-s3054" xml:space="preserve">Calculus poſtea ſeptimæ figuræ, qui erat reuolutio dictæ ſecundæ natiuitatis,
                    <reg norm="duabus" type="simple">duabꝰ</reg>
                    <lb/>
                  de cauſis non factus eſt per tabulas prutenicas, primum, quia eius anni .1580. non
                    <lb/>
                  inueniebantur amplius ephemerides Copernicæ. </s>
                  <s xml:id="echoid-s3055" xml:space="preserve">Ephemerides enim Stadij
                    <reg norm="in- cipientes" type="context">in-
                      <lb/>
                    cipiẽtes</reg>
                  ab ann .1554.
                    <reg norm="deſinunt" type="context">deſinũt</reg>
                  ann .1576. &
                    <reg norm="continuatæ" type="context">cõtinuatæ</reg>
                  poſtea quæ perueniunt vſque
                    <lb/>
                  ad annum .1600. non peruenere ad manus calculatoris ante hunc annum .1581. </s>
                  <s xml:id="echoid-s3056" xml:space="preserve">Al-
                    <lb/>
                  tera ratio eſt, quia in reuolutionibus, quoniam in eis non fiunt directiones, non po-
                    <lb/>
                  nuntur à doctis, ne minuta quidem. </s>
                  <s xml:id="echoid-s3057" xml:space="preserve">quare non ſolum non curant eas ſupputare per
                    <lb/>
                  tabulas, ſed nec exquiſitè quidem per ephemeridas. </s>
                  <s xml:id="echoid-s3058" xml:space="preserve">Calculi poſtea ab hoc ſumpti
                    <lb/>
                  ex tabulis Iunctini, & poſiti ſub dicta ſecunda figura, adeò rectè facti ſunt, vt cum ſe
                    <lb/>
                  cundum ip ſas tabulas oporteat Saturnum eſſe circa .32. minutum gradus .23. Aqua-
                    <lb/>
                  rij, ipſe eum ſcribat in gra .11. mi .3. dicti ſigni. Iupiter ſimiliter qui ſecundum dictas
                    <lb/>
                  tabulas inuenitur circa finem gradus .5. Cancri, ab eo ponitur in min .28. gra .19. eiuſ
                    <lb/>
                  dem. ex quibus planetis Saturnus in figura poſitus eſt in min .27. grad .23. Arietis, Iu
                    <lb/>
                  piter autem in min .3. gra .6. Cancri, </s>
                  <s xml:id="echoid-s3059" xml:space="preserve">Vnde ſecun dum verum, inter calculum Alfon­ </s>
                </p>
              </div>
            </div>
          </div>
        </div>
      </text>
    </echo>
Impressum