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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              <pb o="430" file="0446" n="446" rhead="GNOMONICES"/>
              <figure xlink:label="fig-0446-01" xlink:href="fig-0446-01a" number="294">
                <image file="0446-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0446-01"/>
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              <note position="left" xlink:label="note-0446-01" xlink:href="note-0446-01a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0446-02" xlink:href="note-0446-02a" xml:space="preserve">20</note>
            vero minor est altitudo poli declinatione maxima Solis, cadit locus ſtyli inter tropicum, & </s>
            <s xml:id="echoid-s28282" xml:space="preserve">æquinoctia-
              <lb/>
            lem lineam: </s>
            <s xml:id="echoid-s28283" xml:space="preserve">Quando denique poli altitudo nulla eſt, vt in ſphæra recta, collocandus eſt ſtylus in ipſa li-
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            nea æquinoctiali. </s>
            <s xml:id="echoid-s28284" xml:space="preserve">Quæ omnia aperte ex Analemmate, quod propoſ. </s>
            <s xml:id="echoid-s28285" xml:space="preserve">2. </s>
            <s xml:id="echoid-s28286" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s28287" xml:space="preserve">2. </s>
            <s xml:id="echoid-s28288" xml:space="preserve">conſtruximus, colliguntur.
              <lb/>
            </s>
            <s xml:id="echoid-s28289" xml:space="preserve">Quia enim in eo altitudo poli A F, maior eſt maxima Solis declinatione, fit vt radius ♋, per centrum D,
              <lb/>
              <note position="left" xlink:label="note-0446-03" xlink:href="note-0446-03a" xml:space="preserve">30</note>
            emiſſus cadat in lineam meridianã R O, ad punctum K, vltra locum ſtyli G, ita vt punctum G, ſit inter
              <lb/>
            H, centrum horologii, & </s>
            <s xml:id="echoid-s28290" xml:space="preserve">K, punctum ♋. </s>
            <s xml:id="echoid-s28291" xml:space="preserve">Quare locus ſtyli extra tropicos omnino exiſtet. </s>
            <s xml:id="echoid-s28292" xml:space="preserve">Quòd ſi altitu
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              <figure xlink:label="fig-0446-02" xlink:href="fig-0446-02a" number="295">
                <image file="0446-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0446-02"/>
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              <note position="left" xlink:label="note-0446-04" xlink:href="note-0446-04a" xml:space="preserve">40</note>
              <note position="left" xlink:label="note-0446-05" xlink:href="note-0446-05a" xml:space="preserve">50</note>
            do poli A F, æqualis eſſet maximę Solis declinationi, ita vt diameter paralleli ♋, ſecaret Meridianũ
              <lb/>
            in puncto A, non differret radius ♋, ex A, per centrum D, eiectus a diametro Verticalis; </s>
            <s xml:id="echoid-s28293" xml:space="preserve">ac proinde
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            locus styli eſſet in puncto G, vbi radius ♋, meridianam lineã ſecaret. </s>
            <s xml:id="echoid-s28294" xml:space="preserve">Si vero altitudo poli minor eſſet
              <lb/>
            maxima declinatione Solis, ita vt diameter paralleli ♋, Meridianum ſecaret inter A, verticem, & </s>
            <s xml:id="echoid-s28295" xml:space="preserve">po
              <lb/>
            lum mundi E, liquido conſtat, radium ♋, per centrum D, tranſeuntem cadere tunc inter H, centrum ho
              <lb/>
            rologii, & </s>
            <s xml:id="echoid-s28296" xml:space="preserve">G, locum ſtyli; </s>
            <s xml:id="echoid-s28297" xml:space="preserve">adeo vt tunc locus ſtyli exiſteret inter tropicum ♋, & </s>
            <s xml:id="echoid-s28298" xml:space="preserve">æquinoctialem lineam.
              <lb/>
            </s>
            <s xml:id="echoid-s28299" xml:space="preserve">Si denique altitudo poli nulla foret, ita vt diameter Aequatoris a diametro Verticalis non differret,
              <lb/>
            quis non videt, locum ſtyli tunc cadere in illud punctum lineæ meridianæ, in quo Aequator plano horo-
              <lb/>
            logij occurreret?</s>
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