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-div1259" type="section" level="1" n="314">
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              <pb o="370" file="0386" n="386" rhead="GNOMONICES"/>
            pici ♋, per E, ductam ſecare æquinoctialem lineam in L, rectam autem L H, ſecare arcum noctur
              <lb/>
            num ♋, in M, puncto horæ 11. </s>
            <s xml:id="echoid-s24439" xml:space="preserve">nocturnæ. </s>
            <s xml:id="echoid-s24440" xml:space="preserve">Si igitur ex M, per horam quintam à media nocte in
              <lb/>
              <figure xlink:label="fig-0386-01" xlink:href="fig-0386-01a" number="258">
                <image file="0386-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0386-01"/>
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              <note position="left" xlink:label="note-0386-01" xlink:href="note-0386-01a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0386-02" xlink:href="note-0386-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0386-03" xlink:href="note-0386-03a" xml:space="preserve">30</note>
            arcu nocturno horarum 12. </s>
            <s xml:id="echoid-s24441" xml:space="preserve">hoc eſt, in linea æquinoctiali, vt conſtat ex tabula 14. </s>
            <s xml:id="echoid-s24442" xml:space="preserve">propoſ. </s>
            <s xml:id="echoid-s24443" xml:space="preserve">33. </s>
            <s xml:id="echoid-s24444" xml:space="preserve">pri-
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            mi libri, ducamus rectam lineam, habebimus horam 11. </s>
            <s xml:id="echoid-s24445" xml:space="preserve">inæqualem nocturnam, quæ producta
              <lb/>
            vltra lineam horizontalem dabit etiam horam 11. </s>
            <s xml:id="echoid-s24446" xml:space="preserve">diurnam, vt ex demonſtratis colligitur. </s>
            <s xml:id="echoid-s24447" xml:space="preserve">Eo-
              <lb/>
              <note position="left" xlink:label="note-0386-04" xlink:href="note-0386-04a" xml:space="preserve">40</note>
            dem modo reliquas horas reperiemus.</s>
            <s xml:id="echoid-s24448" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s24449" xml:space="preserve">QVOD ad deſcriptionem attinet, quæ per arcum diurnum horarum 18. </s>
            <s xml:id="echoid-s24450" xml:space="preserve">& </s>
            <s xml:id="echoid-s24451" xml:space="preserve">nocturnum ho-
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            rarum 6. </s>
            <s xml:id="echoid-s24452" xml:space="preserve">conſicitur, res planè perſpicua eſt ex figura, & </s>
            <s xml:id="echoid-s24453" xml:space="preserve">tabulis propoſ. </s>
            <s xml:id="echoid-s24454" xml:space="preserve">33. </s>
            <s xml:id="echoid-s24455" xml:space="preserve">primi libri. </s>
            <s xml:id="echoid-s24456" xml:space="preserve">Quare ho
              <lb/>
            rologium Antiquum ad Horizontem inclinatum compoſuimus. </s>
            <s xml:id="echoid-s24457" xml:space="preserve">Quod faciendum erat.</s>
            <s xml:id="echoid-s24458" xml:space="preserve"/>
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        <div xml:id="echoid-div1262" type="section" level="1" n="315">
          <head xml:id="echoid-head325" xml:space="preserve">DE HOROLOGIIS ET A VERTICALI</head>
          <head xml:id="echoid-head326" xml:space="preserve">declinantibus, & ad Horizontem inclinatis.</head>
          <note position="left" xml:space="preserve">50</note>
        </div>
        <div xml:id="echoid-div1263" type="section" level="1" n="316">
          <head xml:id="echoid-head327" xml:space="preserve">PROBLEMA 37. PROPOSITIO 37.</head>
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            <s xml:id="echoid-s24459" xml:space="preserve">HOROLOGIVM Aſtronomicum & </s>
            <s xml:id="echoid-s24460" xml:space="preserve">à Verticali declinans, & </s>
            <s xml:id="echoid-s24461" xml:space="preserve">
              <lb/>
            ad Horizontem inclinatum conſtruere: </s>
            <s xml:id="echoid-s24462" xml:space="preserve">hoc eſt, lineas horarum à me-
              <lb/>
            ridie vel media nocte in plano, quod circulo cuipiam maximo æquidi-
              <lb/>
            ſtat, qui & </s>
            <s xml:id="echoid-s24463" xml:space="preserve">à Verticali declinat, & </s>
            <s xml:id="echoid-s24464" xml:space="preserve">ad Horizontem inclinatus eſt,
              <lb/>
            deſcribere.</s>
            <s xml:id="echoid-s24465" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s24466" xml:space="preserve">VT facilius omnia horologia, quæ à Verticali circulo declinant, & </s>
            <s xml:id="echoid-s24467" xml:space="preserve">ad Horizontem ſunt </s>
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