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="395" file="0411" n="411" rhead="LIBER TERTIVS."/>
            eſt in ſcholio propoſ. </s>
            <s xml:id="echoid-s26013" xml:space="preserve">13. </s>
            <s xml:id="echoid-s26014" xml:space="preserve">libri ſuperioris. </s>
            <s xml:id="echoid-s26015" xml:space="preserve">Sed tunc lineæ horarum, quæ prius in ſuperiori horologio indi-
              <lb/>
            cabant hor{as} à meridie, ostendent hor{as} à media nocte, & </s>
            <s xml:id="echoid-s26016" xml:space="preserve">contra. </s>
            <s xml:id="echoid-s26017" xml:space="preserve">Pulchrè autem, vt & </s>
            <s xml:id="echoid-s26018" xml:space="preserve">in anteceden-
              <lb/>
            tib{us}, inuerſionẽ hanc declarant lineamẽta horologij ſuperioris deſcripta in facie oppoſita, ita vt ſingula
              <lb/>
            ſingulis reſpondeant ad vnguem, dummodo pars ſuperior faciei oppoſitæ fiat inferior, & </s>
            <s xml:id="echoid-s26019" xml:space="preserve">contra.</s>
            <s xml:id="echoid-s26020" xml:space="preserve"/>
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        <div xml:id="echoid-div1317" type="section" level="1" n="318">
          <head xml:id="echoid-head329" xml:space="preserve">PROBLEMA 38. PROPOSITIO 38.</head>
          <p>
            <s xml:id="echoid-s26021" xml:space="preserve">PARALLELOS, ſiue arcus ſignorum Zodiaci in eodem horo-
              <lb/>
            logio, quod & </s>
            <s xml:id="echoid-s26022" xml:space="preserve">à Verticali circulo declinat, & </s>
            <s xml:id="echoid-s26023" xml:space="preserve">ad Horizontem eſt incli-
              <lb/>
              <note position="left" xlink:label="note-0411-01" xlink:href="note-0411-01a" xml:space="preserve">10</note>
            natum, depingere.</s>
            <s xml:id="echoid-s26024" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s26025" xml:space="preserve">ALTITVDINE poli ſupra planum declinans, & </s>
            <s xml:id="echoid-s26026" xml:space="preserve">inclinatum ex propoſ. </s>
            <s xml:id="echoid-s26027" xml:space="preserve">29. </s>
            <s xml:id="echoid-s26028" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s26029" xml:space="preserve">1. </s>
            <s xml:id="echoid-s26030" xml:space="preserve">inuenta,
              <lb/>
              <note position="right" xlink:label="note-0411-02" xlink:href="note-0411-02a" xml:space="preserve">Arcus fignor@
                <lb/>
              quo pacto ex
                <lb/>
              Analemmate
                <lb/>
              deſcribantur.</note>
            quam quidem in horologio ſecundum priorem deſcriptionem fabricato in pręcedẽti propoſ. </s>
            <s xml:id="echoid-s26031" xml:space="preserve">uel
              <lb/>
            in eo, ubi ſtylus eiusq́ue locus dabatur in ſcholio eiuſdem propoſ. </s>
            <s xml:id="echoid-s26032" xml:space="preserve">oſtendit angulus K ρ I, quem
              <lb/>
              <figure xlink:label="fig-0411-01" xlink:href="fig-0411-01a" number="271">
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              <note position="left" xlink:label="note-0411-03" xlink:href="note-0411-03a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0411-04" xlink:href="note-0411-04a" xml:space="preserve">30</note>
              <note position="left" xlink:label="note-0411-05" xlink:href="note-0411-05a" xml:space="preserve">40</note>
            linea ſtyli cum axc mundi efficit, vt diximus, conſtituatur ad ipſam Analemma, ut in propoſ. </s>
            <s xml:id="echoid-s26033" xml:space="preserve">2.
              <lb/>
            </s>
            <s xml:id="echoid-s26034" xml:space="preserve">præcedentis libri, ita ut arcus CE, in Analemmate comprehendat gradus altitudinis poli in-
              <lb/>
              <note position="left" xlink:label="note-0411-06" xlink:href="note-0411-06a" xml:space="preserve">50</note>
            uentæ, uel certe angulus CDE, in Analemmate æqualis ſit angulo altitudinis poli K ρ I, in
              <lb/>
            horologio inclinato. </s>
            <s xml:id="echoid-s26035" xml:space="preserve">Deinde in eodem Analemmate accipiatur recta DG, æqualis ſtylo I K,
              <lb/>
            quem nobis offert prima deſcriptio præcedentis propoſ. </s>
            <s xml:id="echoid-s26036" xml:space="preserve">uel quem in ſecunda deſcriptione aſ-
              <lb/>
            ſumpſimus in portione Analemmatis, einſdem propoſ. </s>
            <s xml:id="echoid-s26037" xml:space="preserve">quæ portioni Analemmatis propoſ. </s>
            <s xml:id="echoid-s26038" xml:space="preserve">1.
              <lb/>
            </s>
            <s xml:id="echoid-s26039" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s26040" xml:space="preserve">2. </s>
            <s xml:id="echoid-s26041" xml:space="preserve">reſpondet, uel certe quem aſſumpſimus in deſcriptione tradita in ſcholio præcedentis
              <lb/>
            propoſ. </s>
            <s xml:id="echoid-s26042" xml:space="preserve">& </s>
            <s xml:id="echoid-s26043" xml:space="preserve">per G, agatur recta OR, parallela ipſi BC. </s>
            <s xml:id="echoid-s26044" xml:space="preserve">Hac etenim ratione in recta R O, in-
              <lb/>
            ueniemus diametros conicatum ſectionum, quemadmodum earundem diametros K R, L R,
              <lb/>
            MR, NO PO, QO, in horizontali horologio reperiemus propoſ. </s>
            <s xml:id="echoid-s26045" xml:space="preserve">2. </s>
            <s xml:id="echoid-s26046" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s26047" xml:space="preserve">2. </s>
            <s xml:id="echoid-s26048" xml:space="preserve">Vnde ut ibi
              <lb/>
            docuimus, ita etiam deſcribentur hic ſectiones conicæ inuentarum diametrorum, hoc eſt, arcus,
              <lb/>
            paralleli ſignorum Zodiaci. </s>
            <s xml:id="echoid-s26049" xml:space="preserve">Nam ſicut in horologio horizontali circulus Analemmatis A B </s>
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