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

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      <text xml:lang="la" type="free">
        <div xml:id="echoid-div268" type="section" level="1" n="182">
          <p>
            <s xml:id="echoid-s12396" xml:space="preserve">
              <pb o="133" file="0155" n="160" rhead="Liber Vndecimus."/>
            c
              <unsure/>
            um Sole ſorti etur à terra diſtantiam. </s>
            <s xml:id="echoid-s12397" xml:space="preserve">ſtella vero Mercurij aliquando maiorem, aliquando minorem, quam
              <lb/>
            Sol a terra rem otionem obtinebit, prout in Apogæo vel Perigæo epicycli fuerit.</s>
            <s xml:id="echoid-s12398" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div269" type="section" level="1" n="183">
          <head xml:id="echoid-head197" style="it" xml:space="preserve">Motus Mercurij. Cap. II.</head>
          <p>
            <s xml:id="echoid-s12399" xml:space="preserve">QVæ ab Aſtronomis de Mercurij motibus traduntur, multis ſunt tricis perplexa, ac minus quam in cæ-
              <lb/>
            teris planetis certa: </s>
            <s xml:id="echoid-s12400" xml:space="preserve">cum enim parum a Sole digrediatur, rarò commode videri poteſt; </s>
            <s xml:id="echoid-s12401" xml:space="preserve">quia cum appa-
              <lb/>
            ret, aut nimia Solis vicinitate, aut ob vapores qui
              <lb/>
              <figure xlink:label="fig-0155-01" xlink:href="fig-0155-01a" number="94">
                <image file="0155-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0155-01"/>
              </figure>
            horizontem obſident (nonniſi enim apud hori-
              <lb/>
            zontem manè aut veſperi ſpectari poteſt incertè
              <lb/>
            ac difficilè admodum obſeruari poteſt: </s>
            <s xml:id="echoid-s12402" xml:space="preserve">propte-
              <lb/>
            rea ea tantummodo proferam, quæ certiora ac
              <lb/>
            maioris momenti videbuntur.</s>
            <s xml:id="echoid-s12403" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12404" xml:space="preserve">Obſeruationes igitur docent Mercurium circa
              <lb/>
            Solem, & </s>
            <s xml:id="echoid-s12405" xml:space="preserve">cum Sole, hoc pacto, moueri, vt in prę-
              <lb/>
            ſenti figura melius explicabitur, in qua terra vbi
              <lb/>
            T. </s>
            <s xml:id="echoid-s12406" xml:space="preserve">Sol vbi S. </s>
            <s xml:id="echoid-s12407" xml:space="preserve">& </s>
            <s xml:id="echoid-s12408" xml:space="preserve">Solis circuitus S O P Q. </s>
            <s xml:id="echoid-s12409" xml:space="preserve">circa So-
              <lb/>
            lem deſcriptus ſit epicyclus ſpiralis, ſeu linea ſpi-
              <lb/>
            ralis, A B C D E F G H I K L M N. </s>
            <s xml:id="echoid-s12410" xml:space="preserve">cuius ma-
              <lb/>
            ior ſpira ſeu gyrus ſit A B C D. </s>
            <s xml:id="echoid-s12411" xml:space="preserve">quæ diſtet à Sole
              <lb/>
            vtrinque per gra. </s>
            <s xml:id="echoid-s12412" xml:space="preserve">28. </s>
            <s xml:id="echoid-s12413" xml:space="preserve">minor vero F G H I, quæ
              <lb/>
            diſtet à
              <unsure/>
            Sole vtrinque gr. </s>
            <s xml:id="echoid-s12414" xml:space="preserve">20. </s>
            <s xml:id="echoid-s12415" xml:space="preserve">& </s>
            <s xml:id="echoid-s12416" xml:space="preserve">in hac linea ſit ali-
              <lb/>
            cubi ſydus Mercurij. </s>
            <s xml:id="echoid-s12417" xml:space="preserve">dum igitur Sol motu ſuo
              <lb/>
            mouetur ſub Zodiaco ab S. </s>
            <s xml:id="echoid-s12418" xml:space="preserve">in O. </s>
            <s xml:id="echoid-s12419" xml:space="preserve">cum eo pariter
              <lb/>
            mouetur epicyclus, & </s>
            <s xml:id="echoid-s12420" xml:space="preserve">conſequem
              <unsure/>
            er planeta. </s>
            <s xml:id="echoid-s12421" xml:space="preserve">Epi-
              <lb/>
            cyclus igitur hic mouetur eadem velocitate cum
              <lb/>
            Sole in longitudem ſeu in conſequentia ſigno-
              <lb/>
            rum, & </s>
            <s xml:id="echoid-s12422" xml:space="preserve">pariter etiam cum Sole diurna motione
              <lb/>
            ſpatio 24. </s>
            <s xml:id="echoid-s12423" xml:space="preserve">horarum: </s>
            <s xml:id="echoid-s12424" xml:space="preserve">dum igitur hoc modo epicy-
              <lb/>
            clus hic imaginarius Solem comitatur, in eo pla-
              <lb/>
            neta continuo circa Solem circuit, atque hoc mo-
              <lb/>
            do, in ſuperiori parte, verbi gratia D A B. </s>
            <s xml:id="echoid-s12425" xml:space="preserve">proce-
              <lb/>
            ditab occaſu in ortum, ideſt, a D. </s>
            <s xml:id="echoid-s12426" xml:space="preserve">ad A. </s>
            <s xml:id="echoid-s12427" xml:space="preserve">& </s>
            <s xml:id="echoid-s12428" xml:space="preserve">a ab A.
              <lb/>
            </s>
            <s xml:id="echoid-s12429" xml:space="preserve">ad B. </s>
            <s xml:id="echoid-s12430" xml:space="preserve">hinc conſequenter pergit ad C. </s>
            <s xml:id="echoid-s12431" xml:space="preserve">hinc verſus D. </s>
            <s xml:id="echoid-s12432" xml:space="preserve">& </s>
            <s xml:id="echoid-s12433" xml:space="preserve">propterea in inferiori parte tendit ab ortu in occaſum. </s>
            <s xml:id="echoid-s12434" xml:space="preserve">
              <lb/>
            hic motus epicyclaris dicitur motus Anomaliæ, & </s>
            <s xml:id="echoid-s12435" xml:space="preserve">irregularitatis; </s>
            <s xml:id="echoid-s12436" xml:space="preserve">ex eo enim fit, vt Mercurius videatur
              <lb/>
            irregulariter in Zodiaco moueri; </s>
            <s xml:id="echoid-s12437" xml:space="preserve">quando enim eſt in ſuperiori parte ſpiralis lineæ velocior apparet, quia
              <lb/>
            t
              <unsure/>
            unc motus eius conſentit cum motu centri epicycli in longitudinem: </s>
            <s xml:id="echoid-s12438" xml:space="preserve">quando vero eſt in parte inferiori, mo-
              <lb/>
            uetur contra motum centri epicycli, ac propterea tardior apparet. </s>
            <s xml:id="echoid-s12439" xml:space="preserve">hunc epicycli gyrum ſiue ſpiram vnam,
              <lb/>
            v.</s>
            <s xml:id="echoid-s12440" xml:space="preserve">g. </s>
            <s xml:id="echoid-s12441" xml:space="preserve">a b c d e. </s>
            <s xml:id="echoid-s12442" xml:space="preserve">abſoluit diebus 115. </s>
            <s xml:id="echoid-s12443" xml:space="preserve">horis 21. </s>
            <s xml:id="echoid-s12444" xml:space="preserve">min. </s>
            <s xml:id="echoid-s12445" xml:space="preserve">5. </s>
            <s xml:id="echoid-s12446" xml:space="preserve">vnde ſingulis diebus peragrat de eius peripheria gr. </s>
            <s xml:id="echoid-s12447" xml:space="preserve">3. </s>
            <s xml:id="echoid-s12448" xml:space="preserve">6′. </s>
            <s xml:id="echoid-s12449" xml:space="preserve">
              <lb/>
            24″. </s>
            <s xml:id="echoid-s12450" xml:space="preserve">quare totam v.</s>
            <s xml:id="echoid-s12451" xml:space="preserve">g. </s>
            <s xml:id="echoid-s12452" xml:space="preserve">ab A. </s>
            <s xml:id="echoid-s12453" xml:space="preserve">ad E. </s>
            <s xml:id="echoid-s12454" xml:space="preserve">reuolutionem abſoluit non integris 4. </s>
            <s xml:id="echoid-s12455" xml:space="preserve">menſibus ſolaribus, ſed deſunt dies
              <lb/>
            ferè 6. </s>
            <s xml:id="echoid-s12456" xml:space="preserve">Præterea non abſoluit ſpiram in e, ſub a, paulo vltra ſub N. </s>
            <s xml:id="echoid-s12457" xml:space="preserve">quia ob motum apogæi A. </s>
            <s xml:id="echoid-s12458" xml:space="preserve">ſecundum ſi-
              <lb/>
            gnorum ordinem, ipſum A, transfertur ad n. </s>
            <s xml:id="echoid-s12459" xml:space="preserve">pręterea ſciendum eſt huius anomaliæ principium ab Aſtrono-
              <lb/>
            mis poni in punctis ſupremis A. </s>
            <s xml:id="echoid-s12460" xml:space="preserve">E. </s>
            <s xml:id="echoid-s12461" xml:space="preserve">I. </s>
            <s xml:id="echoid-s12462" xml:space="preserve">ab his enim locis hunc motum computant, ſeu numerant.</s>
            <s xml:id="echoid-s12463" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12464" xml:space="preserve">Oſeruarunt præterea non ſemper Mercurium in eadem diſtãtia a Sole circumire; </s>
            <s xml:id="echoid-s12465" xml:space="preserve">ſicut non ſemper æqua-
              <lb/>
            lem circa Solem deſcribere circulationem; </s>
            <s xml:id="echoid-s12466" xml:space="preserve">in vna enim parte Zodiaci magis à Sole hinc inde digrediebatur,
              <lb/>
            quam in altera; </s>
            <s xml:id="echoid-s12467" xml:space="preserve">ſemel enim in anno digredietur à Sole gradibus 28. </s>
            <s xml:id="echoid-s12468" xml:space="preserve">circiter; </s>
            <s xml:id="echoid-s12469" xml:space="preserve">alias verò gra. </s>
            <s xml:id="echoid-s12470" xml:space="preserve">20. </s>
            <s xml:id="echoid-s12471" xml:space="preserve">tantum: </s>
            <s xml:id="echoid-s12472" xml:space="preserve">hunc
              <lb/>
            motum non ineptè ſaluare poſſumus poſita ſpirali linea, in qua Mercurius moueatur ab exteriori, & </s>
            <s xml:id="echoid-s12473" xml:space="preserve">amplio-
              <lb/>
            ri circuitu A B D. </s>
            <s xml:id="echoid-s12474" xml:space="preserve">paulatim, & </s>
            <s xml:id="echoid-s12475" xml:space="preserve">ſpiratim per loca E F G H I K L M N. </s>
            <s xml:id="echoid-s12476" xml:space="preserve">ad interiorem, ac minorem F G H I.
              <lb/>
            </s>
            <s xml:id="echoid-s12477" xml:space="preserve">locus autem ille Zodiaci, in quo Mercurius ſemper eſt in minori gyro F G H. </s>
            <s xml:id="echoid-s12478" xml:space="preserve">appellatur apogæum primum
              <lb/>
            Mercurij; </s>
            <s xml:id="echoid-s12479" xml:space="preserve">fit enim ibi a terra remotior. </s>
            <s xml:id="echoid-s12480" xml:space="preserve">nec ſemper in eodem Zodiaci loco apogæum iſtud manet, ſed moue-
              <lb/>
            tur tardiſſimè in conſequentia; </s>
            <s xml:id="echoid-s12481" xml:space="preserve">nam annuus eius motus eſt tantum, min. </s>
            <s xml:id="echoid-s12482" xml:space="preserve">1′
              <unsure/>
            . </s>
            <s xml:id="echoid-s12483" xml:space="preserve">ſecundorum 49″. </s>
            <s xml:id="echoid-s12484" xml:space="preserve">quare gradum
              <lb/>
            vnum peragit annis 33. </s>
            <s xml:id="echoid-s12485" xml:space="preserve">& </s>
            <s xml:id="echoid-s12486" xml:space="preserve">totum Zodiacum in annis circiter 11′ 880′. </s>
            <s xml:id="echoid-s12487" xml:space="preserve">Oppoſitus autem Zodiaci locus eſt pe-
              <lb/>
            rigæum, in quo percurrit ampliorem lineam, fitq; </s>
            <s xml:id="echoid-s12488" xml:space="preserve">terræ vicin or. </s>
            <s xml:id="echoid-s12489" xml:space="preserve">in medijs vero locis per medias ſpiras re-
              <lb/>
            uoluitur. </s>
            <s xml:id="echoid-s12490" xml:space="preserve">noſtra autem tempeſtate apogæum iſtud verſatur in principio Sagittarij, ibi enim Mercurius mi-
              <lb/>
            nus a Sole digreditur. </s>
            <s xml:id="echoid-s12491" xml:space="preserve">Perigæum verò in oppoſito loco, nimirum in principio Geminorum, vbi latius cir-
              <lb/>
            c
              <unsure/>
            a Solem euagatur. </s>
            <s xml:id="echoid-s12492" xml:space="preserve">Porrò hoſce medios motus ac tempora ijſdem modis, ac in Luna, & </s>
            <s xml:id="echoid-s12493" xml:space="preserve">Sole compererunt.</s>
            <s xml:id="echoid-s12494" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12495" xml:space="preserve">Prædicti igitur motus ſiunt ſecundum Zodiaci longitudinem, verum præter eos alium habet, quo moue
              <lb/>
            tur ſecundum latitudinem Zodiaci, hoc eſt, modo in Auſtrum, modo in Boream ab eclypti a exorbitat, vſq;
              <lb/>
            </s>
            <s xml:id="echoid-s12496" xml:space="preserve">aliquando ad gr. </s>
            <s xml:id="echoid-s12497" xml:space="preserve">4. </s>
            <s xml:id="echoid-s12498" xml:space="preserve">10′. </s>
            <s xml:id="echoid-s12499" xml:space="preserve">vnde modo Borealis, modo Auſtralis denominatur; </s>
            <s xml:id="echoid-s12500" xml:space="preserve">quod inde
              <unsure/>
            ori
              <unsure/>
            tur quia ſpiralem
              <lb/>
            hanc epicyclicam non deſcribit ſemper ſub eclyptica, ſed aliquando citra, aliquando v tra eam.</s>
            <s xml:id="echoid-s12501" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12502" xml:space="preserve">Poſtremo ex hiſce omnibus motibus, exurgit tandem vltimus, & </s>
            <s xml:id="echoid-s12503" xml:space="preserve">compoſitus Mercurij motus; </s>
            <s xml:id="echoid-s12504" xml:space="preserve">qui ab vno
              <lb/>
            tropico ad alterum ſpiralis erit, ſicuti in Sole, & </s>
            <s xml:id="echoid-s12505" xml:space="preserve">Luna.</s>
            <s xml:id="echoid-s12506" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s12507" xml:space="preserve">Lam vero, vt quæ reliqua ſunt abſoluamus, ſit in figura ductæ duæ lineæ T B. </s>
            <s xml:id="echoid-s12508" xml:space="preserve">T D. </s>
            <s xml:id="echoid-s12509" xml:space="preserve">à centro mundi T. </s>
            <s xml:id="echoid-s12510" xml:space="preserve"/>
          </p>
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