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-div234" type="section" level="1" n="152">
          <p>
            <s xml:id="echoid-s11466" xml:space="preserve">
              <pb o="113" file="0135" n="140" rhead="Liber Decimus."/>
            bene complanata. </s>
            <s xml:id="echoid-s11467" xml:space="preserve">Pars vero mobilis ſic conſtructa eſt. </s>
            <s xml:id="echoid-s11468" xml:space="preserve">ex centro A. </s>
            <s xml:id="echoid-s11469" xml:space="preserve">deſcriptus eſt circulus B C D E, æqua-
              <lb/>
            lis circulo G H I K, prioris partis, qui æquatorem refert. </s>
            <s xml:id="echoid-s11470" xml:space="preserve">cuius diameter eſt B A D, E A C, eſt axis mundi,
              <lb/>
            C, indicat polum arcticum. </s>
            <s xml:id="echoid-s11471" xml:space="preserve">E, antarcticum. </s>
            <s xml:id="echoid-s11472" xml:space="preserve">diuiſus eſt vterque eius ſemicirculus in partes 12. </s>
            <s xml:id="echoid-s11473" xml:space="preserve">æquales, quæ
              <lb/>
            horas 12. </s>
            <s xml:id="echoid-s11474" xml:space="preserve">ſignifi ant. </s>
            <s xml:id="echoid-s11475" xml:space="preserve">ſed notandum hunc circulum accipi etiam poſſe pro meridiano quatenus concipitur in
              <lb/>
            plano meridiani; </s>
            <s xml:id="echoid-s11476" xml:space="preserve">quando enim pro æquatore ſumitur tunc accipiendus eſt perpendiculariter meridiano ad-
              <lb/>
            hærere. </s>
            <s xml:id="echoid-s11477" xml:space="preserve">quatenus ergo refert meridianum in eo inſcriptæ ſunt diametri reliquorum paralellorum æquato-
              <lb/>
            ris tranſeuntium per initia 12. </s>
            <s xml:id="echoid-s11478" xml:space="preserve">ſignorum Zodiaci, ſic duæ lineæ G E, H I, ſunt diametri ſemicirculorum
              <lb/>
            G X F, H V I; </s>
            <s xml:id="echoid-s11479" xml:space="preserve">illa tranſit per initia Tauri, & </s>
            <s xml:id="echoid-s11480" xml:space="preserve">Virginis. </s>
            <s xml:id="echoid-s11481" xml:space="preserve">hic per initia Scorpij, & </s>
            <s xml:id="echoid-s11482" xml:space="preserve">Piſcium. </s>
            <s xml:id="echoid-s11483" xml:space="preserve">diſtant etiam dia-
              <lb/>
            metri eorum a diametro æquatoris gr. </s>
            <s xml:id="echoid-s11484" xml:space="preserve">11. </s>
            <s xml:id="echoid-s11485" xml:space="preserve">30′. </s>
            <s xml:id="echoid-s11486" xml:space="preserve">iuxta eorum declinationes. </s>
            <s xml:id="echoid-s11487" xml:space="preserve">quare vterque arcus H D, G D
              <lb/>
              <figure xlink:label="fig-0135-01" xlink:href="fig-0135-01a" number="88">
                <image file="0135-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0135-01"/>
              </figure>
            ſunt gr. </s>
            <s xml:id="echoid-s11488" xml:space="preserve">11. </s>
            <s xml:id="echoid-s11489" xml:space="preserve">30′. </s>
            <s xml:id="echoid-s11490" xml:space="preserve">lineæ O P, K L, diametri ſunt paralellorum tranſeuntium per initia Geminorum, & </s>
            <s xml:id="echoid-s11491" xml:space="preserve">Leo-
              <lb/>
            nis: </s>
            <s xml:id="echoid-s11492" xml:space="preserve">quorum declinationes ſiue arcus D O, D K, ſunt gr. </s>
            <s xml:id="echoid-s11493" xml:space="preserve">20. </s>
            <s xml:id="echoid-s11494" xml:space="preserve">12′. </s>
            <s xml:id="echoid-s11495" xml:space="preserve">eorum tamen ſemicircu i non ſunt deſcri-
              <lb/>
            pti ad vitandam confuſionem, quæ confuſio vitari poterit vario colore adhibito, diametri tandem tropico-
              <lb/>
            rum ſunt Q R, M N, cum ſuis ſemicirculis, qui omnes concipiendi ſunt perpendiculariter erecti ad meri-
              <lb/>
            dianum iuxta eorum naturalem ſitum. </s>
            <s xml:id="echoid-s11496" xml:space="preserve">eodem modo per quemuis alium celypticæ gradum deſcribi poterũt
              <lb/>
            quotuis paralelli. </s>
            <s xml:id="echoid-s11497" xml:space="preserve">linea Q A N, eſt diameter eclypticæ, quæ à diametris prædictis diuiditur in ſex partes,
              <lb/>
            quarum quælibet duobus ſignis reſpondet, vt apparet ex notis ei adſcriptis. </s>
            <s xml:id="echoid-s11498" xml:space="preserve">ſemicirculus autem Q E N, vel
              <lb/>
            N C Q, ipſam ei eclypticam referre poteſt. </s>
            <s xml:id="echoid-s11499" xml:space="preserve">Lineæ tandem plurimæ quæ ſunt paralellæ axi mundi, & </s>
            <s xml:id="echoid-s11500" xml:space="preserve">con-
              <lb/>
            ſequenter perpendiculares diametris ſemicirculorum prædictis, ductæ ſunt ad incertum numerun que quo
              <lb/>
            tamen plures fuerint, eo melius inſeruient, vt mox patebit. </s>
            <s xml:id="echoid-s11501" xml:space="preserve">Hæc igitur pars ſic conſtructa applicanda eſt al-
              <lb/>
            teri parte ſtabili, ſeu meridiano, ita vt centrum A, reſpondeat centro L, illius. </s>
            <s xml:id="echoid-s11502" xml:space="preserve">imo ei aliquo axiculo, i@a affi-
              <lb/>
            gatur, vt circa eum poſſit conuerti, inſeraturque intra duo fila A C, E F, ita vt ſub ipſs circa centra A L. </s>
            <s xml:id="echoid-s11503" xml:space="preserve"/>
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