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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            ſtyli poſitæ ſunt, vt confuſio, quæ ex multitudine linearum oriri ſolet, vitetur, quemadmodũ pro-
              <lb/>
            poſ. </s>
            <s xml:id="echoid-s22818" xml:space="preserve">2. </s>
            <s xml:id="echoid-s22819" xml:space="preserve">huius lib. </s>
            <s xml:id="echoid-s22820" xml:space="preserve">monuimus. </s>
            <s xml:id="echoid-s22821" xml:space="preserve">Nam in horologio ex parte dextra eiuſdẽ lineæ ſtyli duximus lineas
              <lb/>
            occultas, quales ſunt illæ minutis quibuſdam lineis diſtinctæ, quæ cum horis ad ſiniſtram poſitis
              <lb/>
              <figure xlink:label="fig-0358-01" xlink:href="fig-0358-01a" number="238">
                <image file="0358-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0358-01"/>
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              <note position="left" xlink:label="note-0358-01" xlink:href="note-0358-01a" xml:space="preserve">01
                <unsure/>
              </note>
              <note position="left" xlink:label="note-0358-02" xlink:href="note-0358-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0358-03" xlink:href="note-0358-03a" xml:space="preserve">30</note>
            e
              <unsure/>
            aſdem diſtantias à linea ſtyli ſeruant; </s>
            <s xml:id="echoid-s22822" xml:space="preserve">non ſecus atque horæ in horologio horizontali, & </s>
            <s xml:id="echoid-s22823" xml:space="preserve">Vertica
              <lb/>
            li æqualiter hincinde à meridiana linea remouentur; </s>
            <s xml:id="echoid-s22824" xml:space="preserve">atque ita horaria interualla poſita inter pun
              <lb/>
            ctum C, & </s>
            <s xml:id="echoid-s22825" xml:space="preserve">radios ſignorum translata ſunt ex horologii centro C, vna eademq́ue opera & </s>
            <s xml:id="echoid-s22826" xml:space="preserve">in ho-
              <lb/>
            ras ad ſiniſtram lineæ ſtyli poſitas, & </s>
            <s xml:id="echoid-s22827" xml:space="preserve">in lineas illas occultas ad dextram eiuſdem exiſtentes, &</s>
            <s xml:id="echoid-s22828" xml:space="preserve">c.
              <lb/>
            </s>
            <s xml:id="echoid-s22829" xml:space="preserve">Duximus tamen etiam in figura radiorum lineam CE, reſpondentem lineæ meridianæ, quamuis
              <lb/>
            ea non contineatur ad ſiniſtram partem lineæ indicis, ſed ad dextram, hanc ſolum ob cauſam, vt
              <lb/>
            per eam inueniremus punctum F, à quo diuiſio circuli ex A, deſcripto principium habere debet,
              <lb/>
              <note position="left" xlink:label="note-0358-04" xlink:href="note-0358-04a" xml:space="preserve">40</note>
            vt videlicet eaſdem horarias lineas ex C, ſecundum praxim Andreæ Schoneri ducere poſſimus, vt
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            in ſcholio propoſ. </s>
            <s xml:id="echoid-s22830" xml:space="preserve">2. </s>
            <s xml:id="echoid-s22831" xml:space="preserve">huius libri tradidimus. </s>
            <s xml:id="echoid-s22832" xml:space="preserve">In quo quidem circulo puncta diuiſionum à puncto
              <lb/>
            F, verſus B, in quod linea indicis cadit, progrediendo pertinent ad horas, quæ in horologio à li-
              <lb/>
            nea meridiana verſus lineam indicis ducuntur, ita vt in noſtro exemplo proximum punctum in-
              <lb/>
            fra F, verſus B, ſpectet ad horam primam à meridie, ſequens ad 2. </s>
            <s xml:id="echoid-s22833" xml:space="preserve">&</s>
            <s xml:id="echoid-s22834" xml:space="preserve">c.</s>
            <s xml:id="echoid-s22835" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s22836" xml:space="preserve">PORRO in Superiori horologio, quod ab Horizonte declinat, paralleli ſeu arcus ſignorum
              <lb/>
              <note position="left" xlink:label="note-0358-05" xlink:href="note-0358-05a" xml:space="preserve">Qui arcus in
                <lb/>
              horologio pe@ti
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              neant ad ſigna
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              bo
                <unsure/>
              realia, & qui
                <lb/>
              ad auſtr
                <unsure/>
              alia.</note>
            inter centrum C, & </s>
            <s xml:id="echoid-s22837" xml:space="preserve">lineam æquinoctialem poſiti pertinent ad ſigna borealia, qui verò à centro C,
              <lb/>
            longius abſunt, quàm æquinoctialis linea, ad auſtralia, quemadmodum in horizontali horologio.
              <lb/>
            </s>
            <s xml:id="echoid-s22838" xml:space="preserve">In horologio autem inferiori contrarium omnino intelligatur. </s>
            <s xml:id="echoid-s22839" xml:space="preserve">Nam in eo arcus ſignorum inter
              <lb/>
            centrum C, & </s>
            <s xml:id="echoid-s22840" xml:space="preserve">æquinoctialem lineam ad auſtralia ſigna, alii autem ad borealia pertinent. </s>
            <s xml:id="echoid-s22841" xml:space="preserve">Id quod
              <lb/>
              <note position="left" xlink:label="note-0358-06" xlink:href="note-0358-06a" xml:space="preserve">50</note>
            facile percipi poteſt, ſi vtrumque horologium in proprio ſitu poſitum eſſe intelligatur Fiet enim,
              <lb/>
            vt Sole exiſtente in ſignis auſtralibus, vmbra ſtyli proiiciatur in partem borealem horologij, eo-
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            dem verò in ſignis borealibus exiſtente, in partem auſtralem, &</s>
            <s xml:id="echoid-s22842" xml:space="preserve">c. </s>
            <s xml:id="echoid-s22843" xml:space="preserve">Aequinoctialis autem linea ſepa
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            rat partem horologii auſtralem à boreali, vt conſtat, quemadmodũ in omnibus alijs horologijs.</s>
            <s xml:id="echoid-s22844" xml:space="preserve"/>
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            <s xml:id="echoid-s22845" xml:space="preserve">LINEA horizontalis ducenda eſt per horam 6. </s>
            <s xml:id="echoid-s22846" xml:space="preserve">in linea æquinoctiali ipſi lineæ meridianæ,
              <lb/>
              <note position="left" xlink:label="note-0358-07" xlink:href="note-0358-07a" xml:space="preserve">Horizontalis li
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              nea quomodo
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              d
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              ucatur.</note>
            ſeu horæ 12. </s>
            <s xml:id="echoid-s22847" xml:space="preserve">parallela. </s>
            <s xml:id="echoid-s22848" xml:space="preserve">Quoniam enim Sol exiſtens in Aequatore oritur, & </s>
            <s xml:id="echoid-s22849" xml:space="preserve">occidit hora 6. </s>
            <s xml:id="echoid-s22850" xml:space="preserve">fit, vt
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            tempore horæ 6. </s>
            <s xml:id="echoid-s22851" xml:space="preserve">Horizõtem quoque occupet. </s>
            <s xml:id="echoid-s22852" xml:space="preserve">Quare tempore ortus Solis, vel occaſus radius So-
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            laris per verticem ſtyli porrectus cadet, per propoſ. </s>
            <s xml:id="echoid-s22853" xml:space="preserve">11. </s>
            <s xml:id="echoid-s22854" xml:space="preserve">primi libri, in communes ſectiones, quas
              <lb/>
            in plano horologii faciunt circulus horæ 6. </s>
            <s xml:id="echoid-s22855" xml:space="preserve">Aequator, & </s>
            <s xml:id="echoid-s22856" xml:space="preserve">Horizon, cum in his tunc Sol exiſtat.
              <lb/>
            </s>
            <s xml:id="echoid-s22857" xml:space="preserve">Liquido ergo conſtat, communem ſectionem Horizontis, & </s>
            <s xml:id="echoid-s22858" xml:space="preserve">plani horologii, id eſt, lineam hori-
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            zontalem, per horam 6. </s>
            <s xml:id="echoid-s22859" xml:space="preserve">in linea æquinoctiali ducendam eſſe, vbi nimirum ſe mutuo ſecant </s>
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