Clavius, Christoph, Gnomonices libri octo, in quibus non solum horologiorum solariu[m], sed aliarum quo[quam] rerum, quae ex gnomonis umbra cognosci possunt, descriptiones geometricè demonstrantur

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        <div xml:id="echoid-div1109" type="section" level="1" n="263">
          <p>
            <s xml:id="echoid-s21741" xml:space="preserve">
              <pb o="324" file="0340" n="340" rhead="GNOMONICES"/>
            do loci complectitur, vt in noſtro exemplo grad. </s>
            <s xml:id="echoid-s21742" xml:space="preserve">36. </s>
            <s xml:id="echoid-s21743" xml:space="preserve">Hæc enim diameter communis ſectio erit
              <lb/>
            Aequatoris, & </s>
            <s xml:id="echoid-s21744" xml:space="preserve">Meridiani primi per inſulas Fortunatas ducti, vt patet. </s>
            <s xml:id="echoid-s21745" xml:space="preserve">Ex iis autem, quæ in ſecun
              <lb/>
            do modo deſcribendi horologii declinantis ſcripſimus, nullius negotij erit intelligere, quænam
              <lb/>
              <figure xlink:label="fig-0340-01" xlink:href="fig-0340-01a" number="227">
                <image file="0340-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0340-01"/>
              </figure>
              <note position="left" xlink:label="note-0340-01" xlink:href="note-0340-01a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0340-02" xlink:href="note-0340-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0340-03" xlink:href="note-0340-03a" xml:space="preserve">30</note>
            pars circuli ex L, deſcripti occidentalior ſit, vel orientalior diametro L M, maximè ſi circulus il-
              <lb/>
            le in proprio ſitu intelligatur eſſe conſtitutus.</s>
            <s xml:id="echoid-s21746" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s21747" xml:space="preserve">IN horologio porrò boreali in facie plani declinantis oppoſita deſcribendo, quod nobis exhi-
              <lb/>
            bet portio illa ablata à linea horizontali, ſi tamen omnes eius partes inuertantur, vt ſupra docui-
              <lb/>
            mus, apponendi ſunt Meridianis numeri, ſicut in Verticali horologio tradidimus propoſ. </s>
            <s xml:id="echoid-s21748" xml:space="preserve">18. </s>
            <s xml:id="echoid-s21749" xml:space="preserve">ſupe
              <lb/>
            rioris libri. </s>
            <s xml:id="echoid-s21750" xml:space="preserve">Id quod appoſita ſigura perſpicuè docet. </s>
            <s xml:id="echoid-s21751" xml:space="preserve">Meridianos igitur, ſiue circulos longitudinũ
              <lb/>
            ciuitatum, in eodem horologio declinante delineauimus. </s>
            <s xml:id="echoid-s21752" xml:space="preserve">Quod faciendum erat.</s>
            <s xml:id="echoid-s21753" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">40</note>
        </div>
        <div xml:id="echoid-div1111" type="section" level="1" n="264">
          <head xml:id="echoid-head273" xml:space="preserve">PROBLEMA 7. PROPOSITIO 7.</head>
          <p>
            <s xml:id="echoid-s21754" xml:space="preserve">PARALLELOS ciuitatum, id eſt, circulos latitudinum, in eo-
              <lb/>
            dem horologio declinante reponere.</s>
            <s xml:id="echoid-s21755" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s21756" xml:space="preserve">NON differunt hi à parallelis ſignorum Zodiaci, niſi quòd per vertices locorum incedunt.
              <lb/>
            </s>
            <s xml:id="echoid-s21757" xml:space="preserve">
              <note position="left" xlink:label="note-0340-05" xlink:href="note-0340-05a" xml:space="preserve">Deſcriptio pa-
                <lb/>
              rallelorum ciui
                <lb/>
              tatum, latitudi
                <lb/>
              numve, in eodẽ
                <lb/>
              horologio de-
                <lb/>
              clinante à Ver
                <lb/>
              ticali.</note>
            Vnde eos deſcribemus in horologio, vt propoſ. </s>
            <s xml:id="echoid-s21758" xml:space="preserve">2. </s>
            <s xml:id="echoid-s21759" xml:space="preserve">huius libri docuimus, ſi pro parallelis ſignorũ
              <lb/>
            Zodiaci parallelos per vertices ciuitatum ductos accipiamus, &</s>
            <s xml:id="echoid-s21760" xml:space="preserve">c. </s>
            <s xml:id="echoid-s21761" xml:space="preserve">Igitur parallelos ciuitatum, id
              <lb/>
            eſt, circulos latitudinum, &</s>
            <s xml:id="echoid-s21762" xml:space="preserve">c. </s>
            <s xml:id="echoid-s21763" xml:space="preserve">Quod faciendum erat.</s>
            <s xml:id="echoid-s21764" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">50</note>
        </div>
        <div xml:id="echoid-div1113" type="section" level="1" n="265">
          <head xml:id="echoid-head274" xml:space="preserve">PROBLEMA 8. PROPOSITIO 8.</head>
          <p>
            <s xml:id="echoid-s21765" xml:space="preserve">DOMOS cœleſtes in eodem horologio declinante depingere.</s>
            <s xml:id="echoid-s21766" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">Deſcriptio do-
            <lb/>
          morum cœle-
            <lb/>
          ſtium ſecundũ
            <lb/>
          loan. Regiom.
            <lb/>
          in eodem horo
            <lb/>
          logio declinan
            <lb/>
          te à Verticali.</note>
          <p>
            <s xml:id="echoid-s21767" xml:space="preserve">SECVNDVM ſententiam Ioan. </s>
            <s xml:id="echoid-s21768" xml:space="preserve">Regiom. </s>
            <s xml:id="echoid-s21769" xml:space="preserve">ita rem propoſitam exequemur. </s>
            <s xml:id="echoid-s21770" xml:space="preserve">Secetur circu-
              <lb/>
            lus ex L, deſcriptus in partes 12. </s>
            <s xml:id="echoid-s21771" xml:space="preserve">æquales, vel etiam in plures, ſi partes domorum cœleſtium de-
              <lb/>
            ſcribendæ quoque ſint, initio facto à diametro L M, vt in deſcriptione linearum horariarum.
              <lb/>
            </s>
            <s xml:id="echoid-s21772" xml:space="preserve">Deinde per puncta diuiſionum, & </s>
            <s xml:id="echoid-s21773" xml:space="preserve">centrum L, ductis rectis occultis, ſecabitur æquinoctialis linea
              <lb/>
            in punctis, per quæ ex puncto E, vbi linea meridiana horizontalem lineam interſecat, rectæ emiſ-
              <lb/>
            ſæ dabunt domos cœleſtes. </s>
            <s xml:id="echoid-s21774" xml:space="preserve">Circumducto enim circulo ex L, deſcripto circa lineam </s>
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