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-div984" type="section" level="1" n="242">
          <p>
            <s xml:id="echoid-s19178" xml:space="preserve">
              <pb o="283" file="0299" n="299" rhead="LIBER SECVNDVS."/>
            horis; </s>
            <s xml:id="echoid-s19179" xml:space="preserve">eò quòd circuli domorum cœleſtium in illis horis Aequatorem diuidant.</s>
            <s xml:id="echoid-s19180" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s19181" xml:space="preserve">CÆTERVM vt facile per m, ducamus rectis per E, ductis parallelas lineas, hoc eſt, lineas
              <lb/>
            domorum cœleſtium, vtemur hac arte. </s>
            <s xml:id="echoid-s19182" xml:space="preserve">Lineæ meridianæ ducemus vtcunque parallelam F G, in
              <lb/>
              <figure xlink:label="fig-0299-01" xlink:href="fig-0299-01a" number="207">
                <image file="0299-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0299-01"/>
              </figure>
              <note position="left" xlink:label="note-0299-01" xlink:href="note-0299-01a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0299-02" xlink:href="note-0299-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0299-03" xlink:href="note-0299-03a" xml:space="preserve">30</note>
              <note position="left" xlink:label="note-0299-04" xlink:href="note-0299-04a" xml:space="preserve">40</note>
            qua ex punctis, vbi à rectis per E, ductis ſecatur, ſurſum verſus abſcindemus rectæ E m, æquales
              <lb/>
            lineas rectas F H, I K, L M, N P, &</s>
            <s xml:id="echoid-s19183" xml:space="preserve">c. </s>
            <s xml:id="echoid-s19184" xml:space="preserve">Nam rectæ ex m, per puncta H, K, M, P, &</s>
            <s xml:id="echoid-s19185" xml:space="preserve">c. </s>
            <s xml:id="echoid-s19186" xml:space="preserve">ductæ pa-
              <lb/>
            rallelæ ſunt rectis ex E, prodeuntibus. </s>
            <s xml:id="echoid-s19187" xml:space="preserve">Cũ enim rectæ E m, F H, æquales ſint, & </s>
            <s xml:id="echoid-s19188" xml:space="preserve">parallelæ, ex con
              <lb/>
            ſtructione, erunt quoq; </s>
            <s xml:id="echoid-s19189" xml:space="preserve">rectæ cõiungentes puncta E, F, & </s>
            <s xml:id="echoid-s19190" xml:space="preserve">m, H, parallelæ inter ſe, & </s>
            <s xml:id="echoid-s19191" xml:space="preserve">ſic de cæteris.</s>
            <s xml:id="echoid-s19192" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">50</note>
          <note position="right" xml:space="preserve">33. primi.</note>
          <note position="right" xml:space="preserve">Domorum cœ-
            <lb/>
          leſtium in eodẽ
            <lb/>
          horologio æqui
            <lb/>
          noctiali deſeri-
            <lb/>
          ptio ſecundum
            <lb/>
          Campanum.</note>
          <p>
            <s xml:id="echoid-s19193" xml:space="preserve">SECVNDVM Campanum domos cæleſtes ita figurabimus. </s>
            <s xml:id="echoid-s19194" xml:space="preserve">Ex figura propoſ. </s>
            <s xml:id="echoid-s19195" xml:space="preserve">52. </s>
            <s xml:id="echoid-s19196" xml:space="preserve">huius
              <lb/>
            libri ſumemus rectam F p, per quam punctum p, nempe zenith, inueſtigauimus in linea meri-
              <lb/>
            diana, eamq; </s>
            <s xml:id="echoid-s19197" xml:space="preserve">in lineam meridianam à puncto p, ſiue ſurſum, ſiue deorſum verſus transferemus
              <lb/>
            vſque ad G. </s>
            <s xml:id="echoid-s19198" xml:space="preserve">Deinde ex G, deſcripto cuiuſcunque magnitudinis circulo, eoq́; </s>
            <s xml:id="echoid-s19199" xml:space="preserve">in 12. </s>
            <s xml:id="echoid-s19200" xml:space="preserve">partes æqua-
              <lb/>
            les diuiſo, vel in plures, ſi partes etiam domorum cœleſtium deſideremus habere, ducemus ex cen
              <lb/>
            tro G, per diuiſionũ puncta rectas occultas, quæ lineam verticalem ſecent in punctis, quæ lineis
              <lb/>
              <note position="right" xlink:label="note-0299-08" xlink:href="note-0299-08a" xml:space="preserve">Demonſtratio
                <lb/>
              deſcriptionis
                <lb/>
              domorũ cœle-
                <lb/>
              ſtium ſecundũ
                <unsure/>
                <lb/>
              Campanum.</note>
            rectis cum puncto m, coniuncta dabunt cæleſtes domos ex ſententia Campani. </s>
            <s xml:id="echoid-s19201" xml:space="preserve">Nam ſi hic cir-
              <lb/>
            culus conuertatur circa lineam verticalem, quouſque cum Verticali propriè dicto coniungatur,
              <lb/>
            centrumq́ G, cum centro mundi F, erunt rectæ per G, ductæ, communes ſectiones verticalis
              <lb/>
            circuli, & </s>
            <s xml:id="echoid-s19202" xml:space="preserve">circulorum domorum cœleſtium. </s>
            <s xml:id="echoid-s19203" xml:space="preserve">Quare circuli domorum cœleſtium occurrent pla-
              <lb/>
            no horologij in prædictis punctis lineæ Verticalis; </s>
            <s xml:id="echoid-s19204" xml:space="preserve">ac propterea lineæ domorum cœleſtium, </s>
          </p>
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    </echo>
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