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 figures

< >
[Figure 341]
Page: 554
[Figure 342]
Page: 555
[Figure 343]
Page: 557
[Figure 344]
Page: 558
[Figure 345]
Page: 559
[Figure 346]
Page: 561
[Figure 347]
Page: 562
[Figure 348]
Page: 564
[Figure 349]
Page: 564
[Figure 350]
Page: 565
[Figure 351]
Page: 566
[Figure 352]
Page: 568
[Figure 353]
Page: 568
[Figure 354]
Page: 569
[Figure 355]
Page: 570
[Figure 356]
Page: 571
[Figure 357]
Page: 572
[Figure 358]
Page: 574
[Figure 359]
Page: 579
[Figure 360]
Page: 580
[Figure 361]
Page: 584
[Figure 362]
Page: 586
[Figure 363]
Page: 589
[Figure 364]
Page: 591
[Figure 365]
Page: 592
[Figure 366]
Page: 593
[Figure 367]
Page: 595
[Figure 368]
Page: 596
[Figure 369]
Page: 597
[Figure 370]
Page: 600
< >
page |< < (516) of 677 > >|
    <echo version="1.0RC">
      <text xml:lang="it" type="free">
        <div xml:id="echoid-div1694" type="section" level="1" n="449">
          <p>
            <s xml:id="echoid-s33327" xml:space="preserve">
              <pb o="516" file="0532" n="532" rhead="GNOMONICES"/>
            Min. </s>
            <s xml:id="echoid-s33328" xml:space="preserve">17. </s>
            <s xml:id="echoid-s33329" xml:space="preserve">A recta autem Q R, quæ per centrum horologii ducitur perpendicularis ad F G,
              <lb/>
            numerandi erunt arcus horarij, (ſi fuerint pro horis ſingulis ſupputati) in circulo ex N,
              <lb/>
            deſcripto.</s>
            <s xml:id="echoid-s33330" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s33331" xml:space="preserve">HORÆ deſcribentur ex ſuprapoſitis tabellis, vt in prioribus, ſi à punctis H, I, ſupputentur
              <lb/>
            latitudines vmbrarum orientales, occidentaleſq́ue, obſeruando diligenter, quæ ſuperiores, & </s>
            <s xml:id="echoid-s33332" xml:space="preserve">
              <lb/>
            quæ ſint inferiores &</s>
            <s xml:id="echoid-s33333" xml:space="preserve">c. </s>
            <s xml:id="echoid-s33334" xml:space="preserve">vt in appoſita figura apparet. </s>
            <s xml:id="echoid-s33335" xml:space="preserve">Tranſeunt autem omnes horæ à mer. </s>
            <s xml:id="echoid-s33336" xml:space="preserve">& </s>
            <s xml:id="echoid-s33337" xml:space="preserve">
              <lb/>
            med, noc. </s>
            <s xml:id="echoid-s33338" xml:space="preserve">per N, centrum horologij. </s>
            <s xml:id="echoid-s33339" xml:space="preserve">Quod ſi centrum horologij tam procul à ſtylo abeſſet, vt
              <lb/>
              <note position="left" xlink:label="note-0532-01" xlink:href="note-0532-01a" xml:space="preserve">10</note>
              <figure xlink:label="fig-0532-01" xlink:href="fig-0532-01a" number="325">
                <image file="0532-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0532-01"/>
              </figure>
              <note position="left" xlink:label="note-0532-02" xlink:href="note-0532-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0532-03" xlink:href="note-0532-03a" xml:space="preserve">30</note>
            commode in horologio notari non poſſet, inueſtiganda eſſent pro horis illis, quæ vnum tantum
              <lb/>
            punctum habent in altero tropicorum, nullum autem in reliquo tropico, aut linea æquinoctiali,
              <lb/>
            alia puncta in propinquo parallelo; </s>
            <s xml:id="echoid-s33340" xml:space="preserve">vt v. </s>
            <s xml:id="echoid-s33341" xml:space="preserve">g. </s>
            <s xml:id="echoid-s33342" xml:space="preserve">in noſtro exemplo in parallelo ♊, vel ♌. </s>
            <s xml:id="echoid-s33343" xml:space="preserve">Horizonta-
              <lb/>
            lis linea ducenda eſt per punctum M, vbi linea horæ 6. </s>
            <s xml:id="echoid-s33344" xml:space="preserve">à mer. </s>
            <s xml:id="echoid-s33345" xml:space="preserve">vel med.</s>
            <s xml:id="echoid-s33346" xml:space="preserve">noc. </s>
            <s xml:id="echoid-s33347" xml:space="preserve">æquinoctialem lineã
              <lb/>
              <note position="left" xlink:label="note-0532-04" xlink:href="note-0532-04a" xml:space="preserve">Linea hotizon-
                <lb/>
              talis.</note>
            ſecat, perpendicularis ad rectã D E. </s>
            <s xml:id="echoid-s33348" xml:space="preserve">Vel ſumpta in recta A B, longitudinę ſtyli C O, ſi fiat ſurſum
              <lb/>
              <note position="left" xlink:label="note-0532-05" xlink:href="note-0532-05a" xml:space="preserve">40</note>
            verſus angulus complementi inclinationis C O P, ſecabitur recta D E, in P, puncto, per quod ho-
              <lb/>
            rizontalis linea ducenda eſt ad D E, perpendicularis, quæ, ſi erratum non eſt, tranſibit neceſſario
              <lb/>
            per punctum M, horæ 6. </s>
            <s xml:id="echoid-s33349" xml:space="preserve">in ęquinoctiali linea. </s>
            <s xml:id="echoid-s33350" xml:space="preserve">Vel certe, ſi vmbra Par. </s>
            <s xml:id="echoid-s33351" xml:space="preserve">32. </s>
            <s xml:id="echoid-s33352" xml:space="preserve">M. </s>
            <s xml:id="echoid-s33353" xml:space="preserve">58. </s>
            <s xml:id="echoid-s33354" xml:space="preserve">conueniens in-
              <lb/>
            clinationi plani ad Horizontem trãsfera tur à C, ſurſum verſus in recta D E, reperietur punctum
              <lb/>
            P, per quod ducenda eſt linea horizontalis ad D E, perpendicularis. </s>
            <s xml:id="echoid-s33355" xml:space="preserve">Lineam autem horæ 12. </s>
            <s xml:id="echoid-s33356" xml:space="preserve">quæ
              <lb/>
            eſt linea meridiana, ducemus etiam hac ratione. </s>
            <s xml:id="echoid-s33357" xml:space="preserve">Arcus horarius horæ 12. </s>
            <s xml:id="echoid-s33358" xml:space="preserve">à med. </s>
            <s xml:id="echoid-s33359" xml:space="preserve">noc. </s>
            <s xml:id="echoid-s33360" xml:space="preserve">quem hic
              <lb/>
              <note position="left" xlink:label="note-0532-06" xlink:href="note-0532-06a" xml:space="preserve">Linea meridia-
                <lb/>
              @a.</note>
            inuenimus continere gr. </s>
            <s xml:id="echoid-s33361" xml:space="preserve">83. </s>
            <s xml:id="echoid-s33362" xml:space="preserve">Min. </s>
            <s xml:id="echoid-s33363" xml:space="preserve">44. </s>
            <s xml:id="echoid-s33364" xml:space="preserve">eſſeq́ue occidentalem, inferioremq́ue, (Quoniam enim ho
              <lb/>
            ra 12. </s>
            <s xml:id="echoid-s33365" xml:space="preserve">meridiei minorem habet diſtantiam à Meridiano proprio horologii, quàm 6. </s>
            <s xml:id="echoid-s33366" xml:space="preserve">horarũ, cum
              <lb/>
            diſtet duntaxat gr. </s>
            <s xml:id="echoid-s33367" xml:space="preserve">14. </s>
            <s xml:id="echoid-s33368" xml:space="preserve">M. </s>
            <s xml:id="echoid-s33369" xml:space="preserve">10. </s>
            <s xml:id="echoid-s33370" xml:space="preserve">quanta nimirum eſt inclinatio Meridiani proprij ad Meridianũ Ho-
              <lb/>
            rizontis, erit arcus horarius horæ 12. </s>
            <s xml:id="echoid-s33371" xml:space="preserve">à med, noc. </s>
            <s xml:id="echoid-s33372" xml:space="preserve">inferior, id eſt, vltra centrum horologii exiſter,
              <lb/>
              <note position="left" xlink:label="note-0532-07" xlink:href="note-0532-07a" xml:space="preserve">50</note>
            vt in ſcholio præcedentis propoſ. </s>
            <s xml:id="echoid-s33373" xml:space="preserve">diximus. </s>
            <s xml:id="echoid-s33374" xml:space="preserve">Rurſus quia planum horologii declinat à mer. </s>
            <s xml:id="echoid-s33375" xml:space="preserve">in or.
              <lb/>
            </s>
            <s xml:id="echoid-s33376" xml:space="preserve">proiicietur vmbra ſtyli in meridie verſus ortum. </s>
            <s xml:id="echoid-s33377" xml:space="preserve">Quare arcus horarius tunc occidentalis erit, vt
              <lb/>
            eius vmbra in cõtrariam partem orientalem poſſit cadere, vt res poſtulat) ſupputetur in parte op-
              <lb/>
            poſita circuli Qa, ex N, deſcripti, nempe à puncto rectæ Q R, orientali ſurſum verſus vſque ad b. </s>
            <s xml:id="echoid-s33378" xml:space="preserve">
              <lb/>
            Nam recta N b, erit linea meridiana.</s>
            <s xml:id="echoid-s33379" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s33380" xml:space="preserve">PRO ſuperiore horologio declinante à meridie in occaſum grad. </s>
            <s xml:id="echoid-s33381" xml:space="preserve">20. </s>
            <s xml:id="echoid-s33382" xml:space="preserve">& </s>
            <s xml:id="echoid-s33383" xml:space="preserve">ad Horizontem in-
              <lb/>
            clinato ex parte boreali grad. </s>
            <s xml:id="echoid-s33384" xml:space="preserve">70. </s>
            <s xml:id="echoid-s33385" xml:space="preserve">tabellæ, quæ ſequuntur, compoſitæ ſunt prohoris inæqualibus,
              <lb/>
            in quibus ſolis exemplum exhibebimus. </s>
            <s xml:id="echoid-s33386" xml:space="preserve">Vocantur autem in hiſce tabellis latitudines vmbra-
              <lb/>
            rum Inferiores illæ, quæ ſunt citra Verticalem proprium horologii, hoc eſt, verſus lineam æqui-
              <lb/>
            noctialem; </s>
            <s xml:id="echoid-s33387" xml:space="preserve">ſuperiores autem illæ, quæ vltra eundem Verticalem verſus centrum horolo-
              <lb/>
            gij exiſtunt.</s>
            <s xml:id="echoid-s33388" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>
Impressum