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

Table of contents

< >
[271.] PROBLEMA 12. PROPOSITIO 12.
[272.] SCHOLIVM.
[273.] DE HOROLOGIIS, QVAE ab Horizonte declinant. PROBLEMA 13. PROPOSITIO 13.
[274.] SCHOLIVM.
[275.] PROBLEMA 14. PROPOSITIO 14.
[276.] PROBLEMA 15. PROPOSITIO 15.
[277.] SCHOLIVM.
[278.] PROBLEMA 16. PROPOSITIO 16.
[279.] SCHOLIVM.
[280.] PROBLEMA 17. PROPOSITIO 17.
[281.] SCHOLIVM.
[282.] PROBLEMA 18. PROPOSITIO 18.
[283.] PROBLEMA 19. PROPOSITIO 19.
[284.] PROBLEMA 20. PROPOSITIO 20.
[285.] SCHOLIVM.
[286.] PROBLEMA 21. PROPOSITIO 21.
[287.] SCHOLIVM.
[288.] PROBLEMA 22. PROPOSITIO 22.
[289.] PROBLEMA 23. PROPOSITIO 23.
[290.] SCHOLIVM.
[291.] PROBLEMA 24. PROPOSITIO 24.
[292.] DE HOROLOGIIS ad Horizontem inclinatis.
[293.] PROBLEMA 25. PROPOSITIO 25.
[294.] PRÆCEPTVM I.
[295.] PRAECEPTVM II.
[296.] PRAECEPTVM III.
[297.] PRAECEPTVM IIII.
[298.] PRAECEPTVM V.
[299.] PRAECEPTVM VI.
[300.] SCHOLIVM.
< >
page |< < (347) of 677 > >|
    <echo version="1.0RC">
      <text xml:lang="it" type="free">
        <div xml:id="echoid-div1175" type="section" level="1" n="281">
          <pb o="347" file="0363" n="363" rhead="LIBER TERTIVS."/>
        </div>
        <div xml:id="echoid-div1177" type="section" level="1" n="282">
          <head xml:id="echoid-head292" xml:space="preserve">PROBLEMA 18. PROPOSITIO 18.</head>
          <p>
            <s xml:id="echoid-s23139" xml:space="preserve">MERIDIANOS, ſiue circulos longitudinum ciuitatum, in co-
              <lb/>
            dem horologio declinante ab Horizonte collocare.</s>
            <s xml:id="echoid-s23140" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s23141" xml:space="preserve">SVPPVTETVR in circulo ex L, deſcripto à puncto O, diamet
              <unsure/>
            ri O L M, verſus partes oc-
              <lb/>
              <note position="right" xlink:label="note-0363-01" xlink:href="note-0363-01a" xml:space="preserve">Meridia nor@
                <lb/>
              deſe
                <unsure/>
              riptio in
                <lb/>
              horologio eodẽ
                <lb/>
              declinante ab
                <lb/>
              Horizonte.</note>
            cidentales longitudo loci vſque ad α. </s>
            <s xml:id="echoid-s23142" xml:space="preserve">Diuiſo deinde circulo in partes 360. </s>
            <s xml:id="echoid-s23143" xml:space="preserve">æquales, vel in pau-
              <lb/>
              <figure xlink:label="fig-0363-01" xlink:href="fig-0363-01a" number="241">
                <image file="0363-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0363-01"/>
              </figure>
              <note position="left" xlink:label="note-0363-02" xlink:href="note-0363-02a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0363-03" xlink:href="note-0363-03a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0363-04" xlink:href="note-0363-04a" xml:space="preserve">30</note>
            ciores, ducantur per puncta diuiſionum, & </s>
            <s xml:id="echoid-s23144" xml:space="preserve">per centrum L, lineæ occultæ ſecantes æquinoctialem
              <lb/>
            lineam in punctis, per quæ ex centro horologii C, emiſſæ rectæ dabunt communes ſectiones pla-
              <lb/>
            ni horologij, & </s>
            <s xml:id="echoid-s23145" xml:space="preserve">Meridianorum, vt ex ſuperioribus conſtat. </s>
            <s xml:id="echoid-s23146" xml:space="preserve">Nam diameter circuli ex α, per cen-
              <lb/>
            trum L, ducta communis ſectio eſt Aequatoris, & </s>
            <s xml:id="echoid-s23147" xml:space="preserve">Meridiani inſularum Fortunatarum, &</s>
            <s xml:id="echoid-s23148" xml:space="preserve">c.</s>
            <s xml:id="echoid-s23149" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">40</note>
          <p>
            <s xml:id="echoid-s23150" xml:space="preserve">IN horologio inferiori, quod nobis exhibet portio abſciſſa à linea horizontali, ſi eius partes
              <lb/>
            inuertantur, vt ſupra docuimus, aſcribendi ſunt numeri ipſis Meridianis, ſicut in Verticali horo-
              <lb/>
            logio tradidimus propoſ. </s>
            <s xml:id="echoid-s23151" xml:space="preserve">18. </s>
            <s xml:id="echoid-s23152" xml:space="preserve">ſuperioris lib. </s>
            <s xml:id="echoid-s23153" xml:space="preserve">addendo nimirum numeris eorundem Meridiano-
              <lb/>
            rum in ſuperiori horologio grad. </s>
            <s xml:id="echoid-s23154" xml:space="preserve">180. </s>
            <s xml:id="echoid-s23155" xml:space="preserve">&</s>
            <s xml:id="echoid-s23156" xml:space="preserve">c. </s>
            <s xml:id="echoid-s23157" xml:space="preserve">Meridianos ergo, ſiue circulos longitudinum in c
              <unsure/>
            o-
              <lb/>
            dem horologio, &</s>
            <s xml:id="echoid-s23158" xml:space="preserve">c. </s>
            <s xml:id="echoid-s23159" xml:space="preserve">collocauimus. </s>
            <s xml:id="echoid-s23160" xml:space="preserve">Quod faciendum erat.</s>
            <s xml:id="echoid-s23161" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1179" type="section" level="1" n="283">
          <head xml:id="echoid-head293" xml:space="preserve">PROBLEMA 19. PROPOSITIO 19.</head>
          <p>
            <s xml:id="echoid-s23162" xml:space="preserve">PARALLELOS ciuitatum, ſeu circulos latitudinum in eodem
              <lb/>
            horologio declinante ab Horizonte diſponere.</s>
            <s xml:id="echoid-s23163" xml:space="preserve"/>
          </p>
          <note position="left" xml:space="preserve">50</note>
          <p>
            <s xml:id="echoid-s23164" xml:space="preserve">CVM hi paralleli æquidiſtent Aequatori, vt & </s>
            <s xml:id="echoid-s23165" xml:space="preserve">paralleli ſignorum, non diſcrepabit eorum de-
              <lb/>
              <note position="right" xlink:label="note-0363-07" xlink:href="note-0363-07a" xml:space="preserve">Deſcriptio pa-
                <lb/>
              ra llelorum lati
                <lb/>
              tudinum
                <unsure/>
              in eo
                <lb/>
              dem horologio
                <lb/>
              declinanteab
                <lb/>
              H@rizo@t@.</note>
            ſcriptio ab illorum deſcriptione, quam propoſ. </s>
            <s xml:id="echoid-s23166" xml:space="preserve">14. </s>
            <s xml:id="echoid-s23167" xml:space="preserve">huius libri tradidimus. </s>
            <s xml:id="echoid-s23168" xml:space="preserve">Quare parallelos ci-
              <lb/>
            uitatum, ſeu circulos latitudinum in eodem horologio declinante ab Horizonte diſpoſuimus.
              <lb/>
            </s>
            <s xml:id="echoid-s23169" xml:space="preserve">Quod erat faciendum.</s>
            <s xml:id="echoid-s23170" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div1181" type="section" level="1" n="284">
          <head xml:id="echoid-head294" xml:space="preserve">PROBLEMA 20. PROPOSITIO 20.</head>
          <p>
            <s xml:id="echoid-s23171" xml:space="preserve">DOMOS cœleſtes in eodem horologio declinante ab Hori-
              <lb/>
            zonte ponere.</s>
            <s xml:id="echoid-s23172" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>