Apian, Petrus, Cosmographia

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        <div xml:id="echoid-div31" type="section" level="1" n="30">
          <pb o="Fo.10." file="025" n="25" rhead="GRAPH. PETRI AP."/>
        </div>
        <div xml:id="echoid-div32" type="section" level="1" n="31">
          <head xml:id="echoid-head36" style="it" xml:space="preserve">PROPOSITIO TERTIA.</head>
          <p>
            <s xml:id="echoid-s329" xml:space="preserve">ALtitudinem Poli ſupra horizonté omni die, & </s>
            <s xml:id="echoid-s330" xml:space="preserve">pro qua-
              <lb/>
            libet hora certa diei, dicto citius inuenire. </s>
            <s xml:id="echoid-s331" xml:space="preserve">Si quouis die
              <lb/>
            altitudinem Poli ſcire deſy deras, Accipe pro liora certa
              <lb/>
            ſolis altitudinem, vt ante præmiſſa docet: </s>
            <s xml:id="echoid-s332" xml:space="preserve">Deinde per-
              <lb/>
            pendiculis rectè pendentibus, volue ac reuolue organum, donec
              <lb/>
            interſectio horæ iam acceptæ, & </s>
            <s xml:id="echoid-s333" xml:space="preserve">lineæ parallelæ, ex gradu Solis, in
              <lb/>
            quo eſt Sol die oblato, ductæ, ſit directè ſub perpendiculo trigoni.
              <lb/>
            </s>
            <s xml:id="echoid-s334" xml:space="preserve">Et index rotulæ, qui vltra periphæriam rotulæ eminet, altitudinem
              <lb/>
            poli ſine errore pro data habitatione manifeſtabit. </s>
            <s xml:id="echoid-s335" xml:space="preserve">Quomodo
              <lb/>
            autem poli altitudo per ſtellas fixas noctu depræhendatur, alibi
              <lb/>
            docebimus.</s>
            <s xml:id="echoid-s336" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div33" type="section" level="1" n="32">
          <head xml:id="echoid-head37" style="it" xml:space="preserve">PROPOSITIO QVINTA.</head>
          <p>
            <s xml:id="echoid-s337" xml:space="preserve">STella polari (circa quam punctus ſeu vertex mundi i@
              <lb/>
            mobilis conſiſtit) incognita, in eius cognitionem dupli-
              <lb/>
            ci via vtiliter peruenire. </s>
            <s xml:id="echoid-s338" xml:space="preserve">Imaginare ergo vnam lineam
              <lb/>
            rectam ab extremis duabus ſtellis maioris Vrſæ, ſeu ro-
              <lb/>
            tis pilaſtri, vſque ad proximam ſtellam, quæ huic lineæ obuiauerit,
              <lb/>
            & </s>
            <s xml:id="echoid-s339" xml:space="preserve">habebis ſtellam polo mundi proximam: </s>
            <s xml:id="echoid-s340" xml:space="preserve">quæ à Naucleris ſtella
              <lb/>
            maris, ab Aſtrologis verò Alrukaba dicitur. </s>
            <s xml:id="echoid-s341" xml:space="preserve">Eiuſinodi igitur ſtel-
              <lb/>
            larum ſitum & </s>
            <s xml:id="echoid-s342" xml:space="preserve">effigiem (quæ Vrſam ſeu plauſtrum figurant) vides
              <lb/>
            hic Lector in figura ſequenti. </s>
            <s xml:id="echoid-s343" xml:space="preserve">Ibidem enim linea albis ſciſſuris pro-
              <lb/>
            ducta, indicat ſtellam polarem. </s>
            <s xml:id="echoid-s344" xml:space="preserve">Non quòd polus ſit, ſed ſtella polo
              <lb/>
            mundi proxima.</s>
            <s xml:id="echoid-s345" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div34" type="section" level="1" n="33">
          <head xml:id="echoid-head38" style="it" xml:space="preserve">IDEM ALITER.</head>
          <p>
            <s xml:id="echoid-s346" xml:space="preserve">POne organum viatorium, quod lingua vulgari Com-
              <lb/>
            paſſus dicitur (vt aſſolet.) </s>
            <s xml:id="echoid-s347" xml:space="preserve">Si poſtea filum, ſeu naſum (vt
              <lb/>
            vocant) Compaſſi, viſu produxeris ad firmamentum
              <lb/>
            vſque, proculdubio inuenies ibi radiali linea polum Se-
              <lb/>
            ptentrionarium, qui Arcticus Borealis, & </s>
            <s xml:id="echoid-s348" xml:space="preserve">Aquilonarius dicitur,
              <lb/>
            ſuper quo mundus ipſe verſatur. </s>
            <s xml:id="echoid-s349" xml:space="preserve">Eſt autem polus ille mun-
              <lb/>
            di, punctus imaginarius non ſenſibilis, iuxta quem dicta ſtella
              <lb/>
            mouetur.</s>
            <s xml:id="echoid-s350" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div35" type="section" level="1" n="34">
          <head xml:id="echoid-head39" style="it" xml:space="preserve">¶ Huius traditionis figuratum exem-
            <lb/>
          plar ſubſequitur.</head>
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