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 figures

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        <div xml:id="echoid-div336" type="section" level="1" n="238">
          <p>
            <s xml:id="echoid-s14200" xml:space="preserve">
              <pb o="159" file="0181" n="186" rhead="Liber Decimusſextus."/>
            @izontem prædictum horis tantum 8. </s>
            <s xml:id="echoid-s14201" xml:space="preserve">octo enim tantum partes illius, quæ horas octo repræſentant, ſupra ho-
              <lb/>
            rizontem extant, vt ipſa figura indicat, in arcu R S. </s>
            <s xml:id="echoid-s14202" xml:space="preserve">qui 8. </s>
            <s xml:id="echoid-s14203" xml:space="preserve">tantum partes continet; </s>
            <s xml:id="echoid-s14204" xml:space="preserve">hic vero gyrus diſtat a ſu-
              <lb/>
            perficie terræ vna tantum ſemidiametro, ideſt, milliarijs 3500. </s>
            <s xml:id="echoid-s14205" xml:space="preserve">atqui re ipſa talis Cometa 12. </s>
            <s xml:id="echoid-s14206" xml:space="preserve">hor. </s>
            <s xml:id="echoid-s14207" xml:space="preserve">apparet:
              <lb/>
            </s>
            <s xml:id="echoid-s14208" xml:space="preserve">impoſſibile igitur eſt, eum in tam humili gyro reuolui; </s>
            <s xml:id="echoid-s14209" xml:space="preserve">quare multo minus in ſuprema aeris regione ferre-
              <lb/>
            tur, quæ milliaris tantum 50. </s>
            <s xml:id="echoid-s14210" xml:space="preserve">eleuatur, ibi enim pro apparenti celeritate, ac gyri paruitate ſupra horizõtem
              <lb/>
            vixappareret; </s>
            <s xml:id="echoid-s14211" xml:space="preserve">ſed citiſſimè decurreret ad occaſum. </s>
            <s xml:id="echoid-s14212" xml:space="preserve">præterea ſi Cometa eſſet in ſupremo aere, altitudinis 50. </s>
            <s xml:id="echoid-s14213" xml:space="preserve">
              <lb/>
            milliar. </s>
            <s xml:id="echoid-s14214" xml:space="preserve">tunc mutato vel modicè horizonte, aut ad Boream, aut ad Auſtrum occultaretur omnino: </s>
            <s xml:id="echoid-s14215" xml:space="preserve">verum
              <lb/>
              <figure xlink:label="fig-0181-01" xlink:href="fig-0181-01a" number="106">
                <image file="0181-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0181-01"/>
              </figure>
            contra accidit, nam Cometæ vi-
              <lb/>
            dentur ab ijs omnibus terræ ha-
              <lb/>
            bitatoribus, a quibus etiam ſtellæ
              <lb/>
            ei propiores ſpectantur. </s>
            <s xml:id="echoid-s14216" xml:space="preserve">ſed reuer
              <lb/>
            tamur ad figuram, ſi percurreret
              <lb/>
            tertium ſemicirculum cuius ſemi-
              <lb/>
            diameter cõtinet 10. </s>
            <s xml:id="echoid-s14217" xml:space="preserve">ſemidiame-
              <lb/>
            ter terræ, Cometæ deeſſent {2/3}. </s>
            <s xml:id="echoid-s14218" xml:space="preserve">ho-
              <lb/>
            ræ ex hor. </s>
            <s xml:id="echoid-s14219" xml:space="preserve">12. </s>
            <s xml:id="echoid-s14220" xml:space="preserve">vna enim pars tertia
              <lb/>
            I L. </s>
            <s xml:id="echoid-s14221" xml:space="preserve">horę, latet infra horizontem
              <lb/>
            ex vna parte, altera I L. </s>
            <s xml:id="echoid-s14222" xml:space="preserve">ex altera.
              <lb/>
            </s>
            <s xml:id="echoid-s14223" xml:space="preserve">in quarto ſemicirculo deeſſent {2/5}. </s>
            <s xml:id="echoid-s14224" xml:space="preserve">
              <lb/>
            horæ M N. </s>
            <s xml:id="echoid-s14225" xml:space="preserve">tandem in ſemicircu-
              <lb/>
            10 D E. </s>
            <s xml:id="echoid-s14226" xml:space="preserve">cuius ſemid. </s>
            <s xml:id="echoid-s14227" xml:space="preserve">continet 30. </s>
            <s xml:id="echoid-s14228" xml:space="preserve">
              <lb/>
            ſemid. </s>
            <s xml:id="echoid-s14229" xml:space="preserve">deeſſent {2/7}. </s>
            <s xml:id="echoid-s14230" xml:space="preserve">horæ E O. </s>
            <s xml:id="echoid-s14231" xml:space="preserve">vt fi-
              <lb/>
            gura oſtẽdit ad hor. </s>
            <s xml:id="echoid-s14232" xml:space="preserve">12. </s>
            <s xml:id="echoid-s14233" xml:space="preserve">ſupra ho-
              <lb/>
            rizontem complendas, quas Co-
              <lb/>
            meta explet: </s>
            <s xml:id="echoid-s14234" xml:space="preserve">quod ſi figura am-
              <lb/>
            plietur vſque ad ſemid. </s>
            <s xml:id="echoid-s14235" xml:space="preserve">43. </s>
            <s xml:id="echoid-s14236" xml:space="preserve">deſunt
              <lb/>
            {10/2}. </s>
            <s xml:id="echoid-s14237" xml:space="preserve">ad hor. </s>
            <s xml:id="echoid-s14238" xml:space="preserve">12. </s>
            <s xml:id="echoid-s14239" xml:space="preserve">qua propter adhuc
              <lb/>
            ſublimius fertur. </s>
            <s xml:id="echoid-s14240" xml:space="preserve">certo igitur ex
              <lb/>
            hac figura conuincitur Cometas
              <lb/>
            ſaltem propè lunarẽ regionẽ re-
              <lb/>
            uolui, vbi mora eorũ ſupra hori-
              <lb/>
            zontem inſenſibiliter minor eua-
              <lb/>
            deret horis 12. </s>
            <s xml:id="echoid-s14241" xml:space="preserve">verum cum pluri-
              <lb/>
            mi, omnem effugi
              <unsure/>
            ãt parallaxim,
              <lb/>
            ij altiffimo cælo, vel ſupra Solem
              <lb/>
            ad Iouis, & </s>
            <s xml:id="echoid-s14242" xml:space="preserve">Saturni prouincias
              <lb/>
            ſunt euehendi.</s>
            <s xml:id="echoid-s14243" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14244" xml:space="preserve">2 Præterea aut elementares,
              <lb/>
            aut cæleſtes ſunt Cometæ, nõ ele-
              <lb/>
            mentares inquiunt, igitur cęleſtes
              <lb/>
            erunt. </s>
            <s xml:id="echoid-s14245" xml:space="preserve">quod minimè elementares
              <lb/>
            fint hinc probant. </s>
            <s xml:id="echoid-s14246" xml:space="preserve">Primo quia ex
              <lb/>
            prædictis patuit, eos in cælo fpa-
              <lb/>
            tiari, qua igitur ratione elemen-
              <lb/>
            tare quiddam in alienã ſibi mun-
              <lb/>
            di partem conſcendit, ibiq; </s>
            <s xml:id="echoid-s14247" xml:space="preserve">tam-
              <lb/>
            diu, tam regulariter mouetur, at-
              <lb/>
            que affulget? </s>
            <s xml:id="echoid-s14248" xml:space="preserve">Vnde Seneca, hoc
              <lb/>
            loco, ſyderis propriũ eſt, inquit,
              <lb/>
            ducere orbem, atq; </s>
            <s xml:id="echoid-s14249" xml:space="preserve">hoc Cometæ
              <lb/>
            omnes efficiunt. </s>
            <s xml:id="echoid-s14250" xml:space="preserve">deinde omne
              <lb/>
            quod cauſa temporalis accendit,
              <lb/>
            cito intercidit; </s>
            <s xml:id="echoid-s14251" xml:space="preserve">ſic faces ardent, ſic
              <lb/>
            fulmina in vnum valent ictum,
              <lb/>
            fic quæ tranſuerſæ dicuntur ſtel-
              <lb/>
            læ, & </s>
            <s xml:id="echoid-s14252" xml:space="preserve">cadentes præteruoiant, & </s>
            <s xml:id="echoid-s14253" xml:space="preserve">
              <lb/>
            fecantaera. </s>
            <s xml:id="echoid-s14254" xml:space="preserve">nullis ignibus, niſi in
              <lb/>
            ſuo mora eſt. </s>
            <s xml:id="echoid-s14255" xml:space="preserve">ſi ignis eſſet colle-
              <lb/>
            ctitius, & </s>
            <s xml:id="echoid-s14256" xml:space="preserve">repentinus, alternis die-
              <lb/>
            bus maiores, minoreſue fierent. </s>
            <s xml:id="echoid-s14257" xml:space="preserve">quiſquis eſtignis aere expreffus, in fuga, nec apparet niſi cum cadit. </s>
            <s xml:id="echoid-s14258" xml:space="preserve">Co-
              <lb/>
            metes habet ſuam ſedem, & </s>
            <s xml:id="echoid-s14259" xml:space="preserve">ideo non cito expellitur, ſed emetitur ſpatium ſuum; </s>
            <s xml:id="echoid-s14260" xml:space="preserve">nec extinguitur, ſed ex-
              <lb/>
            cedit. </s>
            <s xml:id="echoid-s14261" xml:space="preserve">hæc doctiffimus Latinorum Seneca. </s>
            <s xml:id="echoid-s14262" xml:space="preserve">quibus à tumultuaria, ac euanida Meteororum turba, Come-
              <lb/>
            @as excipit.</s>
            <s xml:id="echoid-s14263" xml:space="preserve"/>
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