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="186" file="0206" n="206" rhead="GNOMONICES"/>
        </div>
        <div xml:id="echoid-div652" type="section" level="1" n="169">
          <head xml:id="echoid-head172" style="it" xml:space="preserve">SCHOLIVM.</head>
          <p style="it">
            <s xml:id="echoid-s12149" xml:space="preserve">ALIOMODO ſigna aſcendentia e@
              <lb/>
              <note position="left" xlink:label="note-0206-01" xlink:href="note-0206-01a" xml:space="preserve">Conſtructi@
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              duatum figu-
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              rarum ex An-
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              drea Schonero@
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              per quas ſigna
                <unsure/>
                <lb/>
              aſcendentia de
                <unsure/>
              -
                <lb/>
              ſcribuntur.
                <unsure/>
              </note>
              <figure xlink:label="fig-0206-01" xlink:href="fig-0206-01a" number="145">
                <image file="0206-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0206-01"/>
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            Andrea Schonero deſcribemus hac ratione.
              <lb/>
            </s>
            <s xml:id="echoid-s12150" xml:space="preserve">Deſcribatur circulus A B C D, cuius cen-
              <lb/>
            trum E, & </s>
            <s xml:id="echoid-s12151" xml:space="preserve">duæ diametri ad rectos angu-
              <lb/>
            los ſe ſecantes A C, B D. </s>
            <s xml:id="echoid-s12152" xml:space="preserve">Sumantur de-
              <lb/>
            inde arcus A F, C G, maximæ declina-
              <lb/>
            tioni Solis æquales, & </s>
            <s xml:id="echoid-s12153" xml:space="preserve">per F, G, ex B,
              <lb/>
            rectæ emiſſæ ſecent rectam AC, productam
              <lb/>
              <note position="left" xlink:label="note-0206-02" xlink:href="note-0206-02a" xml:space="preserve">10</note>
            in H, I. </s>
            <s xml:id="echoid-s12154" xml:space="preserve">Sumantur rurſus arcus D K, B L,
              <lb/>
            declinationi maximæ Solis duplicatæ æqua-
              <lb/>
            les, & </s>
            <s xml:id="echoid-s12155" xml:space="preserve">per K, L, rectæ ex B, eductæ ſecent
              <lb/>
            eandem A C, productam in M, N. </s>
            <s xml:id="echoid-s12156" xml:space="preserve">Atque
              <lb/>
            ex M, centro, interuallo M H, vel M I,
              <lb/>
            (Nam recta H I, in M, bifariam diuidi-
              <lb/>
            tur) circulus deſcribatur H B I D, qui per
              <lb/>
            B, D, tranſibit. </s>
            <s xml:id="echoid-s12157" xml:space="preserve">I am diuiſo circulo A B-
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            C D, in partes 12. </s>
            <s xml:id="echoid-s12158" xml:space="preserve">æquales, iungantur quæ-
              <lb/>
            libet bina puncta à D, vel B, æqualiter re-
              <lb/>
              <note position="left" xlink:label="note-0206-03" xlink:href="note-0206-03a" xml:space="preserve">20</note>
            mota lineis rectis ſecantibus rectam B D,
              <lb/>
            in punctis, per quæ ſi ex N, rectæ ducantur
              <lb/>
            ſecantes circulum H B I D, in punctis, & </s>
            <s xml:id="echoid-s12159" xml:space="preserve">
              <lb/>
            per hæc rurſus rectæ ex E, emittantur, erũt
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            hæ lineæ ſignorum, ita E D, ſit ♈; </s>
            <s xml:id="echoid-s12160" xml:space="preserve">E C,
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            ♋; </s>
            <s xml:id="echoid-s12161" xml:space="preserve">E B, ♎ E A, ♑; </s>
            <s xml:id="echoid-s12162" xml:space="preserve">& </s>
            <s xml:id="echoid-s12163" xml:space="preserve">c. </s>
            <s xml:id="echoid-s12164" xml:space="preserve">Per hanc
              <lb/>
            igitur figuram inueniemus intropicis ♋, & </s>
            <s xml:id="echoid-s12165" xml:space="preserve">
              <lb/>
            ♑, puncta, per quæ lineæ ſignorum aſcen
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            dentium duci debent, vt docebimus.</s>
            <s xml:id="echoid-s12166" xml:space="preserve"/>
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          <p style="it">
            <s xml:id="echoid-s12167" xml:space="preserve">DESCRIBATVR rurſum circulus
              <lb/>
              <note position="left" xlink:label="note-0206-04" xlink:href="note-0206-04a" xml:space="preserve">30</note>
            A B C D, cuius centrum E, & </s>
            <s xml:id="echoid-s12168" xml:space="preserve">duæ diame-
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            tri ſeſe ad angulos rectos ſecãtes A C, B D,
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              <figure xlink:label="fig-0206-02" xlink:href="fig-0206-02a" number="146">
                <image file="0206-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0206-02"/>
              </figure>
              <note position="left" xlink:label="note-0206-05" xlink:href="note-0206-05a" xml:space="preserve">40</note>
              <note position="left" xlink:label="note-0206-06" xlink:href="note-0206-06a" xml:space="preserve">50</note>
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