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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            <s xml:id="echoid-s21992" xml:space="preserve">
              <pb o="330" file="0346" n="346" rhead="GNOMONICES"/>
            ex ipſis per L, ductæ tranſeunt prius per centrum L, antequam æquinoctialem lineam ſecent,
              <lb/>
            quod in alijs non contingit. </s>
            <s xml:id="echoid-s21993" xml:space="preserve">Vndealiarum horarum puncta inueniemus, vt de horizontali horo
              <lb/>
            logio diximus propoſ. </s>
            <s xml:id="echoid-s21994" xml:space="preserve">10. </s>
            <s xml:id="echoid-s21995" xml:space="preserve">ſuperioris lib. </s>
            <s xml:id="echoid-s21996" xml:space="preserve">Vt ſi velimus reperire punctum horæ 23. </s>
            <s xml:id="echoid-s21997" xml:space="preserve">in tropico ♑,
              <lb/>
              <figure xlink:label="fig-0346-01" xlink:href="fig-0346-01a" number="232">
                <image file="0346-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0346-01"/>
              </figure>
              <note position="left" xlink:label="note-0346-01" xlink:href="note-0346-01a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0346-02" xlink:href="note-0346-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0346-03" xlink:href="note-0346-03a" xml:space="preserve">30</note>
            cui in circulo Ma Nb, reſpondet punctum D, quod in ſemicirculo A N B, non continetur, duce-
              <lb/>
              <note position="left" xlink:label="note-0346-04" xlink:href="note-0346-04a" xml:space="preserve">40</note>
            mus ex oppoſito puncto E, horæ 11 tropici ♑, in arcu nocturno ♑, comprehenſæ per L, & </s>
            <s xml:id="echoid-s21998" xml:space="preserve">D, re-
              <lb/>
            ctam, quæ ſecabit æquinoctialem lineam in puncto R, valde remoto, (quod quidem in noſtro
              <lb/>
            exemplo non continetur) per quod ſi ducatur recta ex C, ſecabitur tropicus ♑, in arcu noctur-
              <lb/>
            no in puncto F, horæ 11. </s>
            <s xml:id="echoid-s21999" xml:space="preserve">producta verò recta R C, vltra centrum C, ſecabit eundem tropicum
              <lb/>
            ♑, in puncto P, horæ 23. </s>
            <s xml:id="echoid-s22000" xml:space="preserve">& </s>
            <s xml:id="echoid-s22001" xml:space="preserve">ſic de cæteris. </s>
            <s xml:id="echoid-s22002" xml:space="preserve">Pro horologio boreali, confuſionis vitandæ gratia, nul-
              <lb/>
            lum ponimusiexemplum, tum quia ipſum facile ex auſtrali deducitur, vt in alijs horologiis dixi-
              <lb/>
            mus, tum etiam, quia eodem pacto deſcribi poteſt, dummodo memor ſis, in boreali horologio ar-
              <lb/>
            cum diurnum tropici ♋, eſſe d Me, & </s>
            <s xml:id="echoid-s22003" xml:space="preserve">tropici ♑, a Mb, vt de Verticali horologio diximus. </s>
            <s xml:id="echoid-s22004" xml:space="preserve">Vt
              <lb/>
            v. </s>
            <s xml:id="echoid-s22005" xml:space="preserve">g. </s>
            <s xml:id="echoid-s22006" xml:space="preserve">quoniam portio abſciſſa à linea horizontali, ſi ad nos conuertatur, vt centrum C, ſit infra li-
              <lb/>
            neam horizontalem, exhibet nobis horologium boreale declinans à ſeptentrione in ortum grad.
              <lb/>
            </s>
            <s xml:id="echoid-s22007" xml:space="preserve">
              <note position="left" xlink:label="note-0346-05" xlink:href="note-0346-05a" xml:space="preserve">50</note>
            30. </s>
            <s xml:id="echoid-s22008" xml:space="preserve">vt ſupra docuimus in ſcholio propoſ 1. </s>
            <s xml:id="echoid-s22009" xml:space="preserve">huius lib. </s>
            <s xml:id="echoid-s22010" xml:space="preserve">ſi ex E, puncto horæ 13. </s>
            <s xml:id="echoid-s22011" xml:space="preserve">tropici ♋, ducatur
              <lb/>
            recta per L, ſecabitur æquinoctialis linea in puncto R, per quod recta ex C, emiſſa ſecabit tropi-
              <lb/>
            cum ♋, in F, puncto horę 13. </s>
            <s xml:id="echoid-s22012" xml:space="preserve">in boreali horologio declinante à borea in ortum grad 30. </s>
            <s xml:id="echoid-s22013" xml:space="preserve">& </s>
            <s xml:id="echoid-s22014" xml:space="preserve">c.</s>
            <s xml:id="echoid-s22015" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s22016" xml:space="preserve">QVOD ſi quando punctum diuiſionis aliquod cadat præcisè in A, vel B, tunc recta ducta per
              <lb/>
            C, æquinoctiali lineæ parallela ſecabit tropicum ♑, in duobus punctis, quorũ illud, quod ad dez-
              <lb/>
            tram eſt ipſius C L, ad horam illam pertinebit, quæ in A, cadit, quod verò ad ſiniſtram eſt eiuſdẽ
              <lb/>
            C L, ſpectabit ad horam, quæ in B, cadit, vt conſtat ex ijs, quæ in propoſ. </s>
            <s xml:id="echoid-s22017" xml:space="preserve">1. </s>
            <s xml:id="echoid-s22018" xml:space="preserve">huius libri oſtendimus
              <lb/>
            de recta C d, quæ per C, parallela ducta eſt lineæ æquinoctiali. </s>
            <s xml:id="echoid-s22019" xml:space="preserve">Ibi enim oſtendimus rectam C d,
              <lb/>
              <note position="left" xlink:label="note-0346-06" xlink:href="note-0346-06a" xml:space="preserve">Quo pacto aliis
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              modisidem ho
                <lb/>
              rologium Itali
                <lb/>
              cum deicriben
                <lb/>
              dum ſit.</note>
            referre illam horam, à cuius puncto in circulo ex L, deſcripto recta per L, æquinoctiali lineæ
              <lb/>
            æquidiſtat.</s>
            <s xml:id="echoid-s22020" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s22021" xml:space="preserve">IAM verò quod attinet ad alios modos, qui vel per arcus diurnos, nocturnosq́ue, vel </s>
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