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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        <div xml:id="echoid-div336" type="section" level="1" n="238">
          <pb o="160" file="0182" n="187" rhead="De Mundi Fabrica,"/>
          <p>
            <s xml:id="echoid-s14264" xml:space="preserve">3 Qua ratione motum proprium, quem initio celeriorem oſtendit, pedetentim ordinatè, & </s>
            <s xml:id="echoid-s14265" xml:space="preserve">proportio-
              <lb/>
            nabiliter inhibet?</s>
            <s xml:id="echoid-s14266" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14267" xml:space="preserve">4 Qua ratione ſublunare meteoron circulum maximum adeo exactè in cælo proprio motu deſcriberet,
              <lb/>
            ideſt, perpetuo, vt ait Seneca, tendens in directum.</s>
            <s xml:id="echoid-s14268" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14269" xml:space="preserve">5 Hic proprius eorum motus erat lunari proprio tardior, ergo ſecũdum vſitatas rationes, ſupra Lunam,
              <lb/>
            maiorem ducit orbem.</s>
            <s xml:id="echoid-s14270" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14271" xml:space="preserve">6 Qua ratione elementare ſpectaculum tam longæuum foret, vt vel ad ſex menſes (teſte Seneca, & </s>
            <s xml:id="echoid-s14272" xml:space="preserve">qui-
              <lb/>
            dem oculato) aliquando Cometa appareat?</s>
            <s xml:id="echoid-s14273" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14274" xml:space="preserve">7 Eorum quoque vera magnitudo celeſtem eorum patria teſtatut; </s>
            <s xml:id="echoid-s14275" xml:space="preserve">mox enim probabitur nonnullos tota
              <lb/>
            terra maiores extitiffe.</s>
            <s xml:id="echoid-s14276" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14277" xml:space="preserve">8 Tandem eorum caudam quæ ſemper in partes Soli auerſas proijcitur, quid innuit? </s>
            <s xml:id="echoid-s14278" xml:space="preserve">ſi eſſet ignitum me-
              <lb/>
            teoron, flamma hæc potius ſurſum, vel hucilluc agitaretur: </s>
            <s xml:id="echoid-s14279" xml:space="preserve">ex quibus omnibus concludunt eos in cælo tan-
              <lb/>
            quam planetas temporaneos aſciſcendos eſſe: </s>
            <s xml:id="echoid-s14280" xml:space="preserve">Quod ſi quis vereatur aliquid noui cælo inuehere, ei cum an-
              <lb/>
            tiquis Italicis, Pythagoricis A, pollonio Mindio, & </s>
            <s xml:id="echoid-s14281" xml:space="preserve">Seneca, liceat Cometas inter æterna naturæ opera cenſe-
              <lb/>
            re, ita vt non de nouo in cælo generentur ſed de nouo appareant; </s>
            <s xml:id="echoid-s14282" xml:space="preserve">neq; </s>
            <s xml:id="echoid-s14283" xml:space="preserve">deſinant eſſe, ſed apparere: </s>
            <s xml:id="echoid-s14284" xml:space="preserve">forte enim
              <lb/>
            deſinunt, quod nimis in cæleſtes ſublimitates euehantur; </s>
            <s xml:id="echoid-s14285" xml:space="preserve">ſicq; </s>
            <s xml:id="echoid-s14286" xml:space="preserve">paulatim à noſtris viſibus ſe ſubducant: </s>
            <s xml:id="echoid-s14287" xml:space="preserve">paula-
              <lb/>
            timq; </s>
            <s xml:id="echoid-s14288" xml:space="preserve">proprium motum remittunt, quia inſtar planetarum in magno quopiam epicyclo ſurſum aſcendunt;
              <lb/>
            </s>
            <s xml:id="echoid-s14289" xml:space="preserve">in quo aſcenſu tardi primum, mox ſtationarij euadunt: </s>
            <s xml:id="echoid-s14290" xml:space="preserve">deinde poſt longa tempora; </s>
            <s xml:id="echoid-s14291" xml:space="preserve">poſtquam per imagina-
              <lb/>
            ria illa ſpatia, quæ etiam extra mundum, nonnulli imaginantur, ſpatiati in ſuperiori parte epicycli fuerunt,
              <lb/>
            iterum ad nos deſcendere incipiant, iterumq; </s>
            <s xml:id="echoid-s14292" xml:space="preserve">in noſtros ſe dimittant aſpectus. </s>
            <s xml:id="echoid-s14293" xml:space="preserve">Enimuero nonne hac ratio-
              <lb/>
            ne Venus, & </s>
            <s xml:id="echoid-s14294" xml:space="preserve">Mercurius fuas apparitiones, & </s>
            <s xml:id="echoid-s14295" xml:space="preserve">occultationes alternant? </s>
            <s xml:id="echoid-s14296" xml:space="preserve">Vide tractatum noſtrum de Cometa
              <lb/>
            in opere de locis Mathem. </s>
            <s xml:id="echoid-s14297" xml:space="preserve">apud Ariſtotelem; </s>
            <s xml:id="echoid-s14298" xml:space="preserve">vbi plura huc ſpectantia reperies.</s>
            <s xml:id="echoid-s14299" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14300" xml:space="preserve">Vides igitur Lector, quam verum illud fit, non eſſe ad pauca reſpiciendum ei, qui velit in quauis materia
              <lb/>
            pro dignitate quidquam determinare. </s>
            <s xml:id="echoid-s14301" xml:space="preserve">Lege tamen quæ Claramontius lib. </s>
            <s xml:id="echoid-s14302" xml:space="preserve">de Stellis & </s>
            <s xml:id="echoid-s14303" xml:space="preserve">in ſuo Antitychone,
              <lb/>
            eiuſq; </s>
            <s xml:id="echoid-s14304" xml:space="preserve">Apologia contra Keplerum, quæ poſt obitum P. </s>
            <s xml:id="echoid-s14305" xml:space="preserve">Blancani prodijt in lucem.</s>
            <s xml:id="echoid-s14306" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div338" type="section" level="1" n="239">
          <head xml:id="echoid-head254" style="it" xml:space="preserve">Vera Cometarum magnitudo. Cap. IV.</head>
          <p>
            <s xml:id="echoid-s14307" xml:space="preserve">APparens diameter capitis illius Cometę, quam anno 1577. </s>
            <s xml:id="echoid-s14308" xml:space="preserve">Tycho, & </s>
            <s xml:id="echoid-s14309" xml:space="preserve">alij plures obſeruarunt, erat min. </s>
            <s xml:id="echoid-s14310" xml:space="preserve">7.
              <lb/>
            </s>
            <s xml:id="echoid-s14311" xml:space="preserve">diſtantia vero eius à terra erat ſemid. </s>
            <s xml:id="echoid-s14312" xml:space="preserve">terræ 210. </s>
            <s xml:id="echoid-s14313" xml:space="preserve">ſeu diam. </s>
            <s xml:id="echoid-s14314" xml:space="preserve">105. </s>
            <s xml:id="echoid-s14315" xml:space="preserve">fi ergo vt in alijs fiat Iſoſceles, cuius latera
              <lb/>
            contineant partes 105. </s>
            <s xml:id="echoid-s14316" xml:space="preserve">angulus vero min. </s>
            <s xml:id="echoid-s14317" xml:space="preserve">7. </s>
            <s xml:id="echoid-s14318" xml:space="preserve">collata baſi cum vna ex illis partibus, ideſt, cum vna diam. </s>
            <s xml:id="echoid-s14319" xml:space="preserve">terræ,
              <lb/>
            baſis continebitur in ea quater cum duabus tertijs, quare earum proportio erit ſicuti 3. </s>
            <s xml:id="echoid-s14320" xml:space="preserve">ad 14. </s>
            <s xml:id="echoid-s14321" xml:space="preserve">vnde & </s>
            <s xml:id="echoid-s14322" xml:space="preserve">ſphæra-
              <lb/>
            rum ratio conſtabit ex cubis horum nu nerorum, qui ſunt 27. </s>
            <s xml:id="echoid-s14323" xml:space="preserve">& </s>
            <s xml:id="echoid-s14324" xml:space="preserve">2744. </s>
            <s xml:id="echoid-s14325" xml:space="preserve">habent enim eandem rationem quam
              <lb/>
            ſphæræ: </s>
            <s xml:id="echoid-s14326" xml:space="preserve">quæ cognoſcitur diuiſo 2744. </s>
            <s xml:id="echoid-s14327" xml:space="preserve">per 27. </s>
            <s xml:id="echoid-s14328" xml:space="preserve">prouenit enim quotiens quaſi 101. </s>
            <s xml:id="echoid-s14329" xml:space="preserve">qui indicat Cometam a terra
              <lb/>
            contineri, & </s>
            <s xml:id="echoid-s14330" xml:space="preserve">adæquari centies, & </s>
            <s xml:id="echoid-s14331" xml:space="preserve">ſemel.</s>
            <s xml:id="echoid-s14332" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14333" xml:space="preserve">Eodem modo longitudo caudæ eius inueſtigatur; </s>
            <s xml:id="echoid-s14334" xml:space="preserve">nam apparens longitudo ſubtendebat gr. </s>
            <s xml:id="echoid-s14335" xml:space="preserve">22. </s>
            <s xml:id="echoid-s14336" xml:space="preserve">diſtantia
              <lb/>
            vero a terra erat diam. </s>
            <s xml:id="echoid-s14337" xml:space="preserve">terrę 105. </s>
            <s xml:id="echoid-s14338" xml:space="preserve">igitur per Iſoſceles vſitatum, compererunt longitudinem veram huius Co-
              <lb/>
            metes continere diam. </s>
            <s xml:id="echoid-s14339" xml:space="preserve">terræ 48. </s>
            <s xml:id="echoid-s14340" xml:space="preserve">craſſitudo autem fuerit diam. </s>
            <s xml:id="echoid-s14341" xml:space="preserve">11.</s>
            <s xml:id="echoid-s14342" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14343" xml:space="preserve">Similiter agendum eſt in alijs Cometis, quia variæ ſunt eorum apparentes magnitudines necnon variæ
              <lb/>
            eorum a terra diſtantiæ. </s>
            <s xml:id="echoid-s14344" xml:space="preserve">Cometa ille Neronianus, qui ex Seneca, magnitudine ſua apparente Solem adæ-
              <lb/>
            quabat, proculdubio vera magnitudine Lunam ſuperauit, quandoquidem ſupra eam effulſiue cenſendu@
              <lb/>
            eſt: </s>
            <s xml:id="echoid-s14345" xml:space="preserve">vt ex ſuperioribus oſtenſum eſt.</s>
            <s xml:id="echoid-s14346" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div339" type="section" level="1" n="240">
          <head xml:id="echoid-head255" style="it" xml:space="preserve">Corollarium de materia Cometarum.</head>
          <p>
            <s xml:id="echoid-s14347" xml:space="preserve">SOlent nonnulli Phyſiologi cum Aſtronomis de Cometarum materia contendere, affirmant enim aliqui
              <lb/>
            ex illi Cometas ex elementari materia conſtare, atq; </s>
            <s xml:id="echoid-s14348" xml:space="preserve">etiam in elementari regione verſari, quippe quę Co-
              <lb/>
            metas tantum de facie norunt; </s>
            <s xml:id="echoid-s14349" xml:space="preserve">cum enim eorum circuitus, vias, motus, parallaxes, ne queant perſcrutari, de ijs
              <lb/>
            tamen ſecundum vulgarem apparentiam iudicant. </s>
            <s xml:id="echoid-s14350" xml:space="preserve">verentur præterea ne quam nouitatis notam cælo inurãt.
              <lb/>
            </s>
            <s xml:id="echoid-s14351" xml:space="preserve">Ex oppoſito Aſtronomi qui prædicta Cometarum accidentia ſagaciter rimati ſunt, eaque omnino rebus tan
              <lb/>
            tum cæleſtibus competere vident, eos non elementares, ſed cæleſtes eſſe autumant. </s>
            <s xml:id="echoid-s14352" xml:space="preserve">Verum enimuero me ab
              <lb/>
            vtriſque gratiam initurum confido, ſi qua ratione lis hæo componi poſſit, oſtendero: </s>
            <s xml:id="echoid-s14353" xml:space="preserve">ratio igitur eſt, ſi eorũ
              <lb/>
            opinionem ſequamur, qui putant Cometas cæleſtes eſſe, ac continuo inter æterna mundi corpora perſeuera-
              <lb/>
            re, quamuis raro conſpicua euadant. </s>
            <s xml:id="echoid-s14354" xml:space="preserve">in qua ſententia fuere olim Pythagorici, & </s>
            <s xml:id="echoid-s14355" xml:space="preserve">Italorum ſecta: </s>
            <s xml:id="echoid-s14356" xml:space="preserve">ſed & </s>
            <s xml:id="echoid-s14357" xml:space="preserve">recen-
              <lb/>
            tiores ſuas hypotheſes ita Cometæ accommodant, vt cum antiquis conſentire poſſint; </s>
            <s xml:id="echoid-s14358" xml:space="preserve">dum enim cos in ma-
              <lb/>
            gno epicyclo reuoluunt, omnes ſaluant apparentias, & </s>
            <s xml:id="echoid-s14359" xml:space="preserve">præterea eos in ſublime cælum ita attollunt, vt pau-
              <lb/>
            latim ad viſum minuantur, actandem non pereant, ſed non apparent. </s>
            <s xml:id="echoid-s14360" xml:space="preserve">hac enim ratione nihil noui cælo infe-
              <lb/>
            runt, quod Phyſicis, ne contingat, præcipue curæ eſt. </s>
            <s xml:id="echoid-s14361" xml:space="preserve">nec eos elementares faciunt, quod Aſtronomi magno-
              <lb/>
            pere auerſantur. </s>
            <s xml:id="echoid-s14362" xml:space="preserve">hæc ſit conciliatio, vero exiſtimo pro materiam Cometarum, magna conſideratione dignũ
              <lb/>
            eſle illud, quod P. </s>
            <s xml:id="echoid-s14363" xml:space="preserve">Horatius Graſſus in Libra Aſtron. </s>
            <s xml:id="echoid-s14364" xml:space="preserve">refert, ſcilicet toto tẽpore, & </s>
            <s xml:id="echoid-s14365" xml:space="preserve">antea etiam, quo Trabs, & </s>
            <s xml:id="echoid-s14366" xml:space="preserve">
              <lb/>
            Cometa anni ſuperioris 1618. </s>
            <s xml:id="echoid-s14367" xml:space="preserve">apparuerunt, nullas in Sole maculas conſpectas eſſe.</s>
            <s xml:id="echoid-s14368" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14369" xml:space="preserve">Ex dictis de planetis tamen ordinarijs, quam extraordinarijs, ſcilicet Venerem, & </s>
            <s xml:id="echoid-s14370" xml:space="preserve">Mercurium, circa Solẽ
              <lb/>
            @ta moueri, vt aliquando infra, aliquãdo ſupra ipſum exiſtant: </s>
            <s xml:id="echoid-s14371" xml:space="preserve">Martis ſtellam etiam aliquando infra </s>
          </p>
        </div>
      </text>
    </echo>
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