Blancanus, Josephus, Sphaera mvndi, sev cosmographia demonstratiua , ac facile methodo tradita : in qua totius Mundi fabrica, vna cum nouis, Tychonis, Kepleri, Galilaei, aliorumq' ; Astronomorum adinuentis continentur ; Accessere I. Breuis introductio ad geographiam. II. Apparatus ad mathematicarum studium. III. Echometria, idest Geometrica tractatio de Echo. IV. Nouum instrumentum ad Horologia

Table of Notes

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        <div xml:id="echoid-div312" type="section" level="1" n="218">
          <pb o="151" file="0173" n="178" rhead="Liber Decimusquartus."/>
        </div>
        <div xml:id="echoid-div313" type="section" level="1" n="219">
          <head xml:id="echoid-head234" style="it" xml:space="preserve">Vſus Tabulæ præcedentis.</head>
          <p>
            <s xml:id="echoid-s13614" xml:space="preserve">AD datum igitur tempus, ex præcedenti Tabula motus Iouis, inuenias motum eius in longitudine quem
              <lb/>
            detrahes à motu ſolis; </s>
            <s xml:id="echoid-s13615" xml:space="preserve">reſiduum enim erit motus anomaliæ, vt in Marte. </s>
            <s xml:id="echoid-s13616" xml:space="preserve">Exemplum. </s>
            <s xml:id="echoid-s13617" xml:space="preserve">Hodie quæ hæc
              <lb/>
            ſcribo, ideſt, anno 1615. </s>
            <s xml:id="echoid-s13618" xml:space="preserve">die 26. </s>
            <s xml:id="echoid-s13619" xml:space="preserve">Decembris exacto in meridie, ad meridianum Venetum, qui dies S. </s>
            <s xml:id="echoid-s13620" xml:space="preserve">Stephani
              <lb/>
            eſt; </s>
            <s xml:id="echoid-s13621" xml:space="preserve">ſic Iouis locum reperio. </s>
            <s xml:id="echoid-s13622" xml:space="preserve">tempus Aſtronomicum ſe habet, cum motibus ſibi debitis ex Tabula acceptis,
              <lb/>
            vt oſtendit ſequens formula.</s>
            <s xml:id="echoid-s13623" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">
            <lb/>
          # Sig. # Gra.
            <lb/>
          Radix 1600. # 5 # 10
            <lb/>
          Anni 15. # 3 # 5
            <lb/>
          Nouem. Biſſext. # 0 # 28
            <lb/>
          Dies 26. # 0 # 2
            <lb/>
          Summa # 9 # 15 # in gr. 15. Capric. erit centrum epic.
            <lb/>
          </note>
          <p>
            <s xml:id="echoid-s13624" xml:space="preserve">Motus autem Solis eſt 9. </s>
            <s xml:id="echoid-s13625" xml:space="preserve">4.
              <lb/>
            </s>
            <s xml:id="echoid-s13626" xml:space="preserve">cui addo ſig. </s>
            <s xml:id="echoid-s13627" xml:space="preserve">12. </s>
            <s xml:id="echoid-s13628" xml:space="preserve">vt demere ab
              <lb/>
            eo poſſim motus Iouis 9. </s>
            <s xml:id="echoid-s13629" xml:space="preserve">15. </s>
            <s xml:id="echoid-s13630" xml:space="preserve">
              <lb/>
            facta detractione remanent
              <lb/>
            reſiduum ſig. </s>
            <s xml:id="echoid-s13631" xml:space="preserve">11. </s>
            <s xml:id="echoid-s13632" xml:space="preserve">gr. </s>
            <s xml:id="echoid-s13633" xml:space="preserve">19. </s>
            <s xml:id="echoid-s13634" xml:space="preserve">tanta
              <lb/>
            igitur eſt Iouis anomalia, id-
              <lb/>
            eſt, tantum diſtat ab apogæo
              <lb/>
            ſui epicycli, numerando ver
              <unsure/>
            -
              <lb/>
            ſus orientem per perigæum; </s>
            <s xml:id="echoid-s13635" xml:space="preserve">
              <lb/>
            quare diſtabit tantũmodo gr. </s>
            <s xml:id="echoid-s13636" xml:space="preserve">
              <lb/>
            11. </s>
            <s xml:id="echoid-s13637" xml:space="preserve">ab eodem apogęo in ſemi-
              <lb/>
            circulo occidentali, ideſt, ex
              <lb/>
            parte occidentis. </s>
            <s xml:id="echoid-s13638" xml:space="preserve">quare ſtella
              <lb/>
            Iouis erit in Zodiaco ante lo-
              <lb/>
            cum epicycli aliquot gradibus. </s>
            <s xml:id="echoid-s13639" xml:space="preserve">quos vt conijciamus, ſciendum eſt, tanta eſſe epicycli ſemidiametrum vt ſub-
              <lb/>
            tendat in Zodiaco gr. </s>
            <s xml:id="echoid-s13640" xml:space="preserve">ferè 11. </s>
            <s xml:id="echoid-s13641" xml:space="preserve">quare planeta maximè ab eo recedere poteſt vtrinque gr. </s>
            <s xml:id="echoid-s13642" xml:space="preserve">11. </s>
            <s xml:id="echoid-s13643" xml:space="preserve">ferè, idq; </s>
            <s xml:id="echoid-s13644" xml:space="preserve">quando
              <lb/>
            diſtat ab apogæo epicycli ſig. </s>
            <s xml:id="echoid-s13645" xml:space="preserve">3. </s>
            <s xml:id="echoid-s13646" xml:space="preserve">gr. </s>
            <s xml:id="echoid-s13647" xml:space="preserve">11. </s>
            <s xml:id="echoid-s13648" xml:space="preserve">ferè, nunc autem cum diſtet tantum gr. </s>
            <s xml:id="echoid-s13649" xml:space="preserve">11. </s>
            <s xml:id="echoid-s13650" xml:space="preserve">licet conijcere parum ab eo
              <lb/>
            diſtare; </s>
            <s xml:id="echoid-s13651" xml:space="preserve">præſertim quia in apogæo, & </s>
            <s xml:id="echoid-s13652" xml:space="preserve">perigæo epicycli nihil diſtat à loco centri eius in Zodiaco, recedet igi-
              <lb/>
            tur nunc grad. </s>
            <s xml:id="echoid-s13653" xml:space="preserve">circiter 6. </s>
            <s xml:id="echoid-s13654" xml:space="preserve">in præcedentia. </s>
            <s xml:id="echoid-s13655" xml:space="preserve">quare verſabitur circa gr. </s>
            <s xml:id="echoid-s13656" xml:space="preserve">9. </s>
            <s xml:id="echoid-s13657" xml:space="preserve">Capricorni; </s>
            <s xml:id="echoid-s13658" xml:space="preserve">eritq; </s>
            <s xml:id="echoid-s13659" xml:space="preserve">ſoli vicinus gr. </s>
            <s xml:id="echoid-s13660" xml:space="preserve">5. </s>
            <s xml:id="echoid-s13661" xml:space="preserve">eum
              <lb/>
            ſequens. </s>
            <s xml:id="echoid-s13662" xml:space="preserve">quare videri non poterit ob ſolis vicinitatem.</s>
            <s xml:id="echoid-s13663" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div314" type="section" level="1" n="220">
          <head xml:id="echoid-head235" style="it" xml:space="preserve">De quatuor nouis planetis Iouis Comitibus. Cap. VII.</head>
          <p>
            <s xml:id="echoid-s13664" xml:space="preserve">LOcus inter ea, quæ ope Teleſcopij in cælo ſunt patefacta, mirus æque, ac iucundus eſt hic Iouis Comita-
              <lb/>
            tus, eum enim perpetuo quatuor ſtellulæ ſeu exigui quatuor planetæ comitantur, circa eum circumcurſan
              <lb/>
            tes, de quibus ſupra nonnulla tetigimus, figuramq; </s>
            <s xml:id="echoid-s13665" xml:space="preserve">nunc repetendam exhibuimus, in qua Iouis ſydus A, reſi-
              <lb/>
            det in centro quatuor circellorũ, quos quatuor ſtellulæ D G K N, circinant. </s>
            <s xml:id="echoid-s13666" xml:space="preserve">quas vt videamus opus eſt opti-
              <lb/>
            mo Teleſcopio, nocte ſereniſſima in Iouem directo, & </s>
            <s xml:id="echoid-s13667" xml:space="preserve">obfirmato. </s>
            <s xml:id="echoid-s13668" xml:space="preserve">per quod intuentes, inſpiciemus propè Io-
              <lb/>
            uem vnam, aut duas, aut tres, aliquando etiam quatuor, huiuſinodi ſtellas eum comitari; </s>
            <s xml:id="echoid-s13669" xml:space="preserve">quod non facerent ſi
              <lb/>
            affixa, & </s>
            <s xml:id="echoid-s13670" xml:space="preserve">non errantia eſſent ſydera. </s>
            <s xml:id="echoid-s13671" xml:space="preserve">ſeruant autem inuicem, & </s>
            <s xml:id="echoid-s13672" xml:space="preserve">ad Iouem hunc ſitum, vt ſemper ſint ferè in
              <lb/>
            ecliptica N A K, aut in linea eclypticæ paralella. </s>
            <s xml:id="echoid-s13673" xml:space="preserve">neq; </s>
            <s xml:id="echoid-s13674" xml:space="preserve">eaſdem ſeruant adinuicem, nec ad Iouem apparentes
              <lb/>
            diſtantias; </s>
            <s xml:id="echoid-s13675" xml:space="preserve">ſed modo remotiores, modo propiores ei fiunt: </s>
            <s xml:id="echoid-s13676" xml:space="preserve">quod eis accidere poteſt, ſi ponamus eos circa Iouẽ
              <lb/>
            circulos ducere, non aliter ac circa Solem Mercurius, & </s>
            <s xml:id="echoid-s13677" xml:space="preserve">Venus reuoluuntur Atq; </s>
            <s xml:id="echoid-s13678" xml:space="preserve">hæc de loco.</s>
            <s xml:id="echoid-s13679" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13680" xml:space="preserve">Motus. </s>
            <s xml:id="echoid-s13681" xml:space="preserve">eorum autem motus ſic peragitur, vt in ſuperiori parte ſuorum epicyclorum verſus orientem; </s>
            <s xml:id="echoid-s13682" xml:space="preserve">in
              <lb/>
            inferiori verſus occidentem ferantur. </s>
            <s xml:id="echoid-s13683" xml:space="preserve">quod manifeſ@e hinc colligitur quia cum tendũt ad orientem, ſæpè bis
              <lb/>
            occultantur, ſemel quidem in S, ſupra louem; </s>
            <s xml:id="echoid-s13684" xml:space="preserve">& </s>
            <s xml:id="echoid-s13685" xml:space="preserve">iterum in vmbra; </s>
            <s xml:id="echoid-s13686" xml:space="preserve">quæ occultatio propriè eorum eclipſis eſt
              <lb/>
            appellanda: </s>
            <s xml:id="echoid-s13687" xml:space="preserve">cuius rei manifeſtum ſignum eſt, quod ibi ſemper eclipſantur, vbi hæc vmbra porrigitur. </s>
            <s xml:id="echoid-s13688" xml:space="preserve">nam
              <lb/>
            quando Iupiter veſpertinus apparet, prius latent ob coniunctione cum Ioue. </s>
            <s xml:id="echoid-s13689" xml:space="preserve">deinde iterum eclipſantur in
              <lb/>
            parte orientali, ad quam vmbra extenditur. </s>
            <s xml:id="echoid-s13690" xml:space="preserve">quando autem mane apparent elipſantur prius in parte Iouis
              <lb/>
            occidentali, ad quam videlicet vmbra extenditur, & </s>
            <s xml:id="echoid-s13691" xml:space="preserve">poſtea ob Iouis coniũctionem in S, quod neutiquam ac-
              <lb/>
            cideret niſi in ſuperiori parte mouerentur ad orientem: </s>
            <s xml:id="echoid-s13692" xml:space="preserve">cum autem retrogradi ſunt, ideſt, tendunt ad occi-
              <lb/>
            dentem, tunc ſemel tantum, & </s>
            <s xml:id="echoid-s13693" xml:space="preserve">quidem ſub Ioue, v.</s>
            <s xml:id="echoid-s13694" xml:space="preserve">g. </s>
            <s xml:id="echoid-s13695" xml:space="preserve">in F, abſconduntur: </s>
            <s xml:id="echoid-s13696" xml:space="preserve">quod iudicium eſt, eos infra Iouem
              <lb/>
            repedare, vti diximus. </s>
            <s xml:id="echoid-s13697" xml:space="preserve">Neq; </s>
            <s xml:id="echoid-s13698" xml:space="preserve">vero eadem velocitate omnes feruntur, ſed remotior quiſq; </s>
            <s xml:id="echoid-s13699" xml:space="preserve">propiore tardior
              <lb/>
            eſt; </s>
            <s xml:id="echoid-s13700" xml:space="preserve">nam D, Ioui proximus ſuum gyrum abſoluit die vno, & </s>
            <s xml:id="echoid-s13701" xml:space="preserve">hor. </s>
            <s xml:id="echoid-s13702" xml:space="preserve">18 {1/2}. </s>
            <s xml:id="echoid-s13703" xml:space="preserve">ſecundus G, diebus tribus horiſq; </s>
            <s xml:id="echoid-s13704" xml:space="preserve">13 {1/3}.
              <lb/>
            </s>
            <s xml:id="echoid-s13705" xml:space="preserve">Tertius K, diebus 7. </s>
            <s xml:id="echoid-s13706" xml:space="preserve">cum hor. </s>
            <s xml:id="echoid-s13707" xml:space="preserve">4. </s>
            <s xml:id="echoid-s13708" xml:space="preserve">quartus N, diebus 16. </s>
            <s xml:id="echoid-s13709" xml:space="preserve">hor. </s>
            <s xml:id="echoid-s13710" xml:space="preserve">18.</s>
            <s xml:id="echoid-s13711" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13712" xml:space="preserve">Illuminatio. </s>
            <s xml:id="echoid-s13713" xml:space="preserve">Quod attinet ad illuminationem, manifeſtum eſt eos à Sole illuminari, cuius ſignum euidens
              <lb/>
            eſt, eorum eclipſes non contingere niſi quando inter eos, & </s>
            <s xml:id="echoid-s13714" xml:space="preserve">Solem Iupiter interponitur, vti diximus, ex qua
              <lb/>
            interpoſitione Solis lumine priuantur; </s>
            <s xml:id="echoid-s13715" xml:space="preserve">ſicuti Luna ex terræ interpoſitione eodem lumine priuatur.</s>
            <s xml:id="echoid-s13716" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13717" xml:space="preserve">Figura. </s>
            <s xml:id="echoid-s13718" xml:space="preserve">Tandem figuras eorum eſſe ſphæricas putandum eſt.</s>
            <s xml:id="echoid-s13719" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13720" xml:space="preserve">Magnitudo difficilis eſt cognitu: </s>
            <s xml:id="echoid-s13721" xml:space="preserve">apparentes tamen eorum magnitudo exiguæ admodum ſunt. </s>
            <s xml:id="echoid-s13722" xml:space="preserve">Vide nun-
              <lb/>
            cium ſydereum, & </s>
            <s xml:id="echoid-s13723" xml:space="preserve">hiſtoriam Galilæi de maculis ſolaribus, necnon Diſquiſitiones Mathem. </s>
            <s xml:id="echoid-s13724" xml:space="preserve">P. </s>
            <s xml:id="echoid-s13725" xml:space="preserve">Chriſtophori
              <lb/>
            Sheiner noſtræ Soc. </s>
            <s xml:id="echoid-s13726" xml:space="preserve">vbi plura ſcitu iucundiſſima fusè pertractant, quippe qui primi hæc omnia mundo ma-
              <lb/>
            nifeſtarunt. </s>
            <s xml:id="echoid-s13727" xml:space="preserve">has quatuor ſtellulas Galilæus iure inuentionis medica ſydera nuncupauit.</s>
            <s xml:id="echoid-s13728" xml:space="preserve"/>
          </p>
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