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-div1223" type="section" level="1" n="301">
          <head xml:id="echoid-head311" xml:space="preserve">PROBLEMA 26. PROPOSITIO 26.</head>
          <p>
            <s xml:id="echoid-s23755" xml:space="preserve">PARALLELOS, ſeu arcus ſignorum Zodiaci, in eodem horo-
              <lb/>
            logio ad Horizontem inclinato ponere.</s>
            <s xml:id="echoid-s23756" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s23757" xml:space="preserve">HABITA ratione altitudinis poli inuentæ ſupra planum inclinatum, deſcribentur paralle
              <lb/>
              <note position="left" xlink:label="note-0374-01" xlink:href="note-0374-01a" xml:space="preserve">Deſcriptio ar-
                <lb/>
              cuum ſigno-
                <lb/>
              rum in eodem
                <lb/>
              horologio ad
                <lb/>
              Horizõtem in-
                <lb/>
              clinato.</note>
            li ſignorum in hoc horologio, quemadmodum in horizontali, vt propoſ. </s>
            <s xml:id="echoid-s23758" xml:space="preserve">2. </s>
            <s xml:id="echoid-s23759" xml:space="preserve">antecedentis libri
              <lb/>
            tradidimus & </s>
            <s xml:id="echoid-s23760" xml:space="preserve">in ſubiectis figuris apparet.</s>
            <s xml:id="echoid-s23761" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s23762" xml:space="preserve">QVI autem arcus ad ſigna borealia, & </s>
            <s xml:id="echoid-s23763" xml:space="preserve">qui ad auſtralia pertineant, pulchrè quatuor illa Ana-
              <lb/>
              <note position="left" xlink:label="note-0374-02" xlink:href="note-0374-02a" xml:space="preserve">Qui arcus@ ad
                <lb/>
              ſigna borealia,
                <lb/>
              & qui ad au-
                <lb/>
              ſtralia perti-
                <lb/>
              neant.</note>
              <note position="left" xlink:label="note-0374-03" xlink:href="note-0374-03a" xml:space="preserve">01</note>
            lemmata in propoſ. </s>
            <s xml:id="echoid-s23764" xml:space="preserve">antecedenti declarant. </s>
            <s xml:id="echoid-s23765" xml:space="preserve">Quoniam enim in primo Analemmate puncta qua-
              <lb/>
            drantis Borealis F H, (appellamus nunc ſemicirculum borealem Meridiani H F I, & </s>
            <s xml:id="echoid-s23766" xml:space="preserve">auſtralem
              <lb/>
              <figure xlink:label="fig-0374-01" xlink:href="fig-0374-01a" number="249">
                <image file="0374-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0374-01"/>
              </figure>
              <note position="left" xlink:label="note-0374-04" xlink:href="note-0374-04a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0374-05" xlink:href="note-0374-05a" xml:space="preserve">30</note>
            H G I) proiiciunt vmbram in meridie per centrum E, in portionem meridianæ lineæ M N, ſupe-
              <lb/>
            rioris horologij poſitam inter centrum, & </s>
            <s xml:id="echoid-s23767" xml:space="preserve">lineam æquinoctialem: </s>
            <s xml:id="echoid-s23768" xml:space="preserve">puncta verò quadrantis auſtra-
              <lb/>
            lis G I, vmbram proiiciunt per centrum E, in portionem lineæ meridianæ O P, poſitam inter
              <lb/>
              <note position="left" xlink:label="note-0374-06" xlink:href="note-0374-06a" xml:space="preserve">40</note>
            centrum, & </s>
            <s xml:id="echoid-s23769" xml:space="preserve">æquinoctialem lineam inferioris horologij; </s>
            <s xml:id="echoid-s23770" xml:space="preserve">efficitur, vt in ſuperiori horologio ex par-
              <lb/>
            te boreali eleuato, cuius inclinatio minor eſt altitudine poli, vt in Analemmate primo apparet,
              <lb/>
            arcus ſignorum borealium contineantur inter centrum horologij, & </s>
            <s xml:id="echoid-s23771" xml:space="preserve">æquinoctialem lineam; </s>
            <s xml:id="echoid-s23772" xml:space="preserve">ar-
              <lb/>
            cus vero auſtralium ſignorum vltra lineam æquinoctialem: </s>
            <s xml:id="echoid-s23773" xml:space="preserve">In horologio autẽ inferiori contra.
              <lb/>
            </s>
            <s xml:id="echoid-s23774" xml:space="preserve">Rurſus quia in ſecundo Analemmate puncta quadrantis borealis F H, proijciunt vmbram per
              <lb/>
            cẽtrum E, in portionẽ meridianæ lineæ M N, ſuperioris horologij vltra lineã æquinoctialem per
              <lb/>
            N, productã: </s>
            <s xml:id="echoid-s23775" xml:space="preserve">puncta verò quadrantis auſtralis G I, vmbram proiiciunt per E, centrum in portionẽ
              <lb/>
            meridianæ lineæ OP, inferioris horologij vltra æquinoctialẽ lineam per P, productã fit, vt in ſupe-
              <lb/>
            riori horologio ex parte boreali eleuato, cuius inclinatio maior eſt altitudine poli, vt in ſecundo
              <lb/>
            Analẽmate conſpicitur, arcus ſignorum borealium exiſtant vltra lineã æquinoctialem, & </s>
            <s xml:id="echoid-s23776" xml:space="preserve">auſtraliũ
              <lb/>
              <note position="left" xlink:label="note-0374-07" xlink:href="note-0374-07a" xml:space="preserve">50</note>
            inter centrum, & </s>
            <s xml:id="echoid-s23777" xml:space="preserve">eandẽ æquinoctialem lineam: </s>
            <s xml:id="echoid-s23778" xml:space="preserve">In inferiori autem horologio contra ſe res ha-
              <lb/>
            beat. </s>
            <s xml:id="echoid-s23779" xml:space="preserve">Præterea quia in tertio Analemmate puncta quadrantis borealis F H, vmbram proii-
              <lb/>
            ciuntin portionem meridianæ lineæ M N, horologii ſuperioris poſitam inter centrum, & </s>
            <s xml:id="echoid-s23780" xml:space="preserve">li-
              <lb/>
            neam æquinoctialem: </s>
            <s xml:id="echoid-s23781" xml:space="preserve">puncta verò quadrantis auſtralis G I, vmbram proijciunt in portionem
              <lb/>
            meridianæ lineæ O P, poſitam inter centrum, & </s>
            <s xml:id="echoid-s23782" xml:space="preserve">lineam æquinoctialem inferioris horologii; </s>
            <s xml:id="echoid-s23783" xml:space="preserve">fit, vt
              <lb/>
            in horologio ſuperiori ex parte auſtrali eleuato, cuius inclinatio minor eſt complemento altitudi
              <lb/>
            nis poli, vt in tertio Analemmate, arcus ſignorum borealium ſint inter centrum, & </s>
            <s xml:id="echoid-s23784" xml:space="preserve">lineam æqui-
              <lb/>
            noctialem, & </s>
            <s xml:id="echoid-s23785" xml:space="preserve">auſtralium vltra æquinoctialem lineam: </s>
            <s xml:id="echoid-s23786" xml:space="preserve">In inferiori autem è contrario. </s>
            <s xml:id="echoid-s23787" xml:space="preserve">Poſtremo
              <lb/>
            quoniam in Analemmate quarto puncta quadrantis borealis F I, proijciunt vmbram in portionẽ
              <lb/>
            meridianæ lineæ M N, ſuperioris horologii poſitam inter centrum, & </s>
            <s xml:id="echoid-s23788" xml:space="preserve">lineam ęquinoctialem: </s>
            <s xml:id="echoid-s23789" xml:space="preserve">pun
              <lb/>
            cta verò quadrantis auſtralis G H, vmbram proijciunt in portionem lineæ meridianæ O P, </s>
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