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

List of thumbnails

< >
331
331 (315) 		332
332 (316)
333
333 (317) 		334
334 (318)
335
335 (319) 		336
336 (320)
337
337 (321) 		338
338 (322)
339
339 (323) 		340
340 (324)
< >
page |< < (321) of 677 > >|
    <echo version="1.0RC">
      <text xml:lang="it" type="free">
        <div xml:id="echoid-div1099" type="section" level="1" n="260">
          <pb o="321" file="0337" n="337" rhead="LIBER TERTIVS."/>
          <p>
            <s xml:id="echoid-s21570" xml:space="preserve">EX loco ſtyli K, erigatur ad horizontalem lineam linea perpendicularis K A, ſtylo I K, æqua-
              <lb/>
              <note position="right" xlink:label="note-0337-01" xlink:href="note-0337-01a" xml:space="preserve">Verticaliũ cir-
                <lb/>
              culorum deſcri
                <lb/>
              ptio in eodem
                <lb/>
              horologio decli
                <lb/>
              nante à Verti-
                <lb/>
              cali.</note>
            lis, & </s>
            <s xml:id="echoid-s21571" xml:space="preserve">centro A, ad quodcunque interuallum circulus deſcriptus ſecetur in partes 360. </s>
            <s xml:id="echoid-s21572" xml:space="preserve">æquales,
              <lb/>
            aut in pauciores, pro numero Verticalium, quos horologii magnitudo capere poteſt, (Nos partiti
              <lb/>
            eum ſumus in partes 24. </s>
            <s xml:id="echoid-s21573" xml:space="preserve">vt ſingula ſpatia complectantur grad. </s>
            <s xml:id="echoid-s21574" xml:space="preserve">15.) </s>
            <s xml:id="echoid-s21575" xml:space="preserve">initio facto à recta, quæ ex cen
              <lb/>
              <figure xlink:label="fig-0337-01" xlink:href="fig-0337-01a" number="225">
                <image file="0337-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0337-01"/>
              </figure>
              <note position="left" xlink:label="note-0337-02" xlink:href="note-0337-02a" xml:space="preserve">10</note>
              <note position="left" xlink:label="note-0337-03" xlink:href="note-0337-03a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0337-04" xlink:href="note-0337-04a" xml:space="preserve">30</note>
              <note position="left" xlink:label="note-0337-05" xlink:href="note-0337-05a" xml:space="preserve">40</note>
            tro A, per punctum B, vbi linea meridiana, & </s>
            <s xml:id="echoid-s21576" xml:space="preserve">horizontalis ſe mutuo interſecant, ducitur, vel etiam
              <lb/>
            à recta ex A, per punctum D, vbi lineam horizontalem æquinoctialis ſecat, ducta. </s>
            <s xml:id="echoid-s21577" xml:space="preserve">Deinde per cen
              <lb/>
            trum A, & </s>
            <s xml:id="echoid-s21578" xml:space="preserve">puncta diuiſionum emittantur rectæ occultæ ſecantes horizontalem lineã in punctis,
              <lb/>
              <note position="left" xlink:label="note-0337-06" xlink:href="note-0337-06a" xml:space="preserve">50</note>
            quæ diligenter notanda ſunt. </s>
            <s xml:id="echoid-s21579" xml:space="preserve">Nam rectæ per hęc puncta ad lineam horizontalem perpendicula-
              <lb/>
            res ductæ, vel ipſi meridianæ lineæ parallelæ, dabunt circulos Verticales, hoc eſt, communes ſe-
              <lb/>
            ctiones plani horologij, & </s>
            <s xml:id="echoid-s21580" xml:space="preserve">circulorum Verticalium. </s>
            <s xml:id="echoid-s21581" xml:space="preserve">Ducentur autem parallelæ illæ ſine magno
              <lb/>
            negotio, ſi horizontali lineæ lineam parallelam ducamus, & </s>
            <s xml:id="echoid-s21582" xml:space="preserve">in eam omnia puncta lineæ horizon-
              <lb/>
            talis beneſicio circini ex B, ſumpta transferantur, initio ſemper facto à linea meridiana: </s>
            <s xml:id="echoid-s21583" xml:space="preserve">qualis eſt
              <lb/>
            recta illa in inferiori parte horologij minutis illis lineis diſtincta. </s>
            <s xml:id="echoid-s21584" xml:space="preserve">Rectæ enim connectentes bi-
              <lb/>
            na puncta horizontalis lineæ, & </s>
            <s xml:id="echoid-s21585" xml:space="preserve">prædictæ parallelæ, æqualiter à linea meridiana diſtantia, ipſi li-
              <lb/>
            neæ meridianæ parallelæ erunt.</s>
            <s xml:id="echoid-s21586" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">33. primi.</note>
          <p>
            <s xml:id="echoid-s21587" xml:space="preserve">HAS autem parallelas eſſe ſectiones communes circulorum Verticalium, & </s>
            <s xml:id="echoid-s21588" xml:space="preserve">plani horolo-
              <lb/>
            gii, ita probabimus. </s>
            <s xml:id="echoid-s21589" xml:space="preserve">Intelligatur planum circuli ex A, deſcripti circa horizontalem lineam mo-
              <lb/>
            ueri, donec cum plano Horizontis coniungatur, atque adeò centrum A, cum vertice ſtyli, ſeu </s>
          </p>
        </div>
      </text>
    </echo>
Impressum