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-div1113" type="section" level="1" n="265">
          <p>
            <s xml:id="echoid-s21811" xml:space="preserve">
              <pb o="326" file="0342" n="342" rhead="GNOMONICES"/>
            pter æqualitatem
              <unsure/>
            rectatum B D, B A,) atque adeo ipſe in plano Verticalis circuli propriè dicti col
              <lb/>
            locetur, (Nam, vt propoſ. </s>
            <s xml:id="echoid-s21812" xml:space="preserve">4. </s>
            <s xml:id="echoid-s21813" xml:space="preserve">huius lib. </s>
            <s xml:id="echoid-s21814" xml:space="preserve">demonſtrauimus, Verticalis propriè dictus ducitur per re-
              <lb/>
            ctas A B, B F, per quas etiam ducitur planum circuli ex D, deſcripti, ſi poſitionem habeat, quam
              <lb/>
            illa conuerſione acquiſiuit) erunt rectæ illæ per centrum D, & </s>
            <s xml:id="echoid-s21815" xml:space="preserve">puncta diuiſionum eductæ, commu
              <lb/>
            nes ſectiones circuli Verticalis propriè dicti, & </s>
            <s xml:id="echoid-s21816" xml:space="preserve">circulorum domorum cœleſtium; </s>
            <s xml:id="echoid-s21817" xml:space="preserve">quandoquidem
              <lb/>
            tunc recta, D B, eadem prorſus eſt, quæ A B, communis ſectio Verticalis dicti, & </s>
            <s xml:id="echoid-s21818" xml:space="preserve">Horizontis, qui
              <lb/>
            quidem vnus eſt ex circulis domorum cœleſtium. </s>
            <s xml:id="echoid-s21819" xml:space="preserve">Igitur dicti circuli planum horologij ſecabunt
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            in punctis rectæ B F, in quæ dictæ ſectiones communes cadunt; </s>
            <s xml:id="echoid-s21820" xml:space="preserve">ac propterea per eadem puncta
              <lb/>
            tranſibunt communes ſectiones eorundem circulorum, & </s>
            <s xml:id="echoid-s21821" xml:space="preserve">plani horologij. </s>
            <s xml:id="echoid-s21822" xml:space="preserve">Quamobrem, cum
              <lb/>
            etiam ducantur per punctum E, vt paulo ante oſten dimus, dabunt rectæ per E, & </s>
            <s xml:id="echoid-s21823" xml:space="preserve">per puncta rectæ
              <lb/>
              <note position="left" xlink:label="note-0342-01" xlink:href="note-0342-01a" xml:space="preserve">10</note>
            B F, emiſſæ domos cœleſtes ſecundum Campanum. </s>
            <s xml:id="echoid-s21824" xml:space="preserve">Has lineas referunt in figura illæ, quæ minu-
              <lb/>
            tiſſimis illis lineis ſunt diſtinctæ: </s>
            <s xml:id="echoid-s21825" xml:space="preserve">reliquæ verò lineæ pertinent ad domos cœleſtes prioris deſcri-
              <lb/>
            ptionis. </s>
            <s xml:id="echoid-s21826" xml:space="preserve">Domos igitur cœleſtes in eodẽ horologio declinante depinximus. </s>
            <s xml:id="echoid-s21827" xml:space="preserve">Quod erat faciendũ.</s>
            <s xml:id="echoid-s21828" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1116" type="section" level="1" n="266">
          <head xml:id="echoid-head275" xml:space="preserve">PROBLEMA 9. PROPOSITIO 9.</head>
          <p>
            <s xml:id="echoid-s21829" xml:space="preserve">SIGNA Zodiaci aſcendentia in eodem declinante horologio
              <lb/>
            deſcribere.</s>
            <s xml:id="echoid-s21830" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s21831" xml:space="preserve">NON ſecus hic, ac in ſuperioribus ſigna Zodiaci aſcendentia deſeribemus. </s>
            <s xml:id="echoid-s21832" xml:space="preserve">Ex prioribus ta.
              <lb/>
            </s>
            <s xml:id="echoid-s21833" xml:space="preserve">
              <note position="left" xlink:label="note-0342-02" xlink:href="note-0342-02a" xml:space="preserve">A ſcenden@@m
                <lb/>
              figaorũ in e
                <unsure/>
              o-
                <lb/>
              dem horologio
                <lb/>
              declinante à
                <lb/>
              Verticali de-
                <lb/>
              ſcri ptie.</note>
              <note position="left" xlink:label="note-0342-03" xlink:href="note-0342-03a" xml:space="preserve">10</note>
            men quatuor tabulis propoſ. </s>
            <s xml:id="echoid-s21834" xml:space="preserve">9. </s>
            <s xml:id="echoid-s21835" xml:space="preserve">ſuperioris libri, nõ poterunt omnia ſigna commodè deſcribi; </s>
            <s xml:id="echoid-s21836" xml:space="preserve">pro-
              <lb/>
            pterea quòd horæ à meridie, vel ante meridiem initium habentes à recta L M, diametro circuli
              <lb/>
            ex L, deſcripti, vix omnes cadunt in lineam æquinoctialem. </s>
            <s xml:id="echoid-s21837" xml:space="preserve">Vt in noſtro exemplo, ſigna illa, quæ
              <lb/>
              <figure xlink:label="fig-0342-01" xlink:href="fig-0342-01a" number="229">
                <image file="0342-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0342-01"/>
              </figure>
              <note position="left" xlink:label="note-0342-04" xlink:href="note-0342-04a" xml:space="preserve">30</note>
              <note position="left" xlink:label="note-0342-05" xlink:href="note-0342-05a" xml:space="preserve">40</note>
              <note position="left" xlink:label="note-0342-06" xlink:href="note-0342-06a" xml:space="preserve">50</note>
            poſt horam 2. </s>
            <s xml:id="echoid-s21838" xml:space="preserve">à meridie oriuntur, ægrè admodum, vel nullo modo poterunt deſcribi, cum vix vl-
              <lb/>
            la linea horaria poſt horam 2. </s>
            <s xml:id="echoid-s21839" xml:space="preserve">à meridie lineam æquinoctialem ſecet. </s>
            <s xml:id="echoid-s21840" xml:space="preserve">At ex tabella 6. </s>
            <s xml:id="echoid-s21841" xml:space="preserve">& </s>
            <s xml:id="echoid-s21842" xml:space="preserve">7. </s>
            <s xml:id="echoid-s21843" xml:space="preserve">per </s>
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