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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          <p>
            <s xml:id="echoid-s41252" xml:space="preserve">
              <pb o="627" file="0643" n="643" rhead="LIBER SEPTIMVS."/>
            rariis, neque æqualiter à duabus hinc inde poſitis diſtat. </s>
            <s xml:id="echoid-s41253" xml:space="preserve">Vndeſit, vt ſingulæ lineæ ex ρ, emiſſæ ſin
              <lb/>
            gulos quoque numeros habeant affixos. </s>
            <s xml:id="echoid-s41254" xml:space="preserve">Ex hac igitur ſigura in dicto horologio (ſi prius in eo
              <lb/>
            omnes lineæ horariæ ducantur) arcus ſignorum deſcribere licebit, cum res tulerit. </s>
            <s xml:id="echoid-s41255" xml:space="preserve">Partiti autem
              <lb/>
            ſumus ſiguram hanc, vt cernis, in duas, quia alioquin nimis inter ſe conſunderentur lineæ, pro-
              <lb/>
            pterea quòd linea ſtyli primi horologii parum diſtat à linea horæ 11, vt conſtat ex ſigura prima
              <lb/>
            propoſ. </s>
            <s xml:id="echoid-s41256" xml:space="preserve">37. </s>
            <s xml:id="echoid-s41257" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s41258" xml:space="preserve">3. </s>
            <s xml:id="echoid-s41259" xml:space="preserve">in qua lineæ horariæ deſcriptæ ſunt. </s>
            <s xml:id="echoid-s41260" xml:space="preserve">In priore harum ſigurarum continentur
              <lb/>
            lineæ horarum, quæ in horologio poſitæ ſunt ad ſiniſtram lineæ ſtyli in prima ſigura propoſ. </s>
            <s xml:id="echoid-s41261" xml:space="preserve">37.
              <lb/>
            </s>
            <s xml:id="echoid-s41262" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s41263" xml:space="preserve">3. </s>
            <s xml:id="echoid-s41264" xml:space="preserve">aut quæ in prima figura huius cap. </s>
            <s xml:id="echoid-s41265" xml:space="preserve">ad ſiniſtram collocarentur, ſi deſcriptæ eſſent; </s>
            <s xml:id="echoid-s41266" xml:space="preserve">quales
              <lb/>
            ſunt 5. </s>
            <s xml:id="echoid-s41267" xml:space="preserve">6. </s>
            <s xml:id="echoid-s41268" xml:space="preserve">7. </s>
            <s xml:id="echoid-s41269" xml:space="preserve">8. </s>
            <s xml:id="echoid-s41270" xml:space="preserve">9. </s>
            <s xml:id="echoid-s41271" xml:space="preserve">10. </s>
            <s xml:id="echoid-s41272" xml:space="preserve">& </s>
            <s xml:id="echoid-s41273" xml:space="preserve">11. </s>
            <s xml:id="echoid-s41274" xml:space="preserve">In poſteriori vero reliquæ horæ ad dextram eiuſdem lineę ſtyli ſitæ,
              <lb/>
            nempe 12. </s>
            <s xml:id="echoid-s41275" xml:space="preserve">1. </s>
            <s xml:id="echoid-s41276" xml:space="preserve">2. </s>
            <s xml:id="echoid-s41277" xml:space="preserve">3. </s>
            <s xml:id="echoid-s41278" xml:space="preserve">4. </s>
            <s xml:id="echoid-s41279" xml:space="preserve">5. </s>
            <s xml:id="echoid-s41280" xml:space="preserve">&</s>
            <s xml:id="echoid-s41281" xml:space="preserve">c. </s>
            <s xml:id="echoid-s41282" xml:space="preserve">Id quod in cap. </s>
            <s xml:id="echoid-s41283" xml:space="preserve">24. </s>
            <s xml:id="echoid-s41284" xml:space="preserve">monuimus faciendum eſſe in horologiis decli-
              <lb/>
              <note position="left" xlink:label="note-0643-01" xlink:href="note-0643-01a" xml:space="preserve">10</note>
            nantibus, atque adeo & </s>
            <s xml:id="echoid-s41285" xml:space="preserve">in inclinatis, in quibus huiuſmodi confuſio linearum reperitur.</s>
            <s xml:id="echoid-s41286" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s41287" xml:space="preserve">POSTREMO, vt videas, quid agendum ſit in tertio horologio huius cap. </s>
            <s xml:id="echoid-s41288" xml:space="preserve">in quo lineæ
              <lb/>
              <figure xlink:label="fig-0643-01" xlink:href="fig-0643-01a" number="414">
                <image file="0643-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0643-01"/>
              </figure>
              <note position="left" xlink:label="note-0643-02" xlink:href="note-0643-02a" xml:space="preserve">20</note>
              <note position="left" xlink:label="note-0643-03" xlink:href="note-0643-03a" xml:space="preserve">30</note>
            horariæ ſunt æquidiſtantes, quæ quidem in tertia ſigura propoſ. </s>
            <s xml:id="echoid-s41289" xml:space="preserve">37. </s>
            <s xml:id="echoid-s41290" xml:space="preserve">lib. </s>
            <s xml:id="echoid-s41291" xml:space="preserve">3. </s>
            <s xml:id="echoid-s41292" xml:space="preserve">ductæ ſunt, deſcripſi-
              <lb/>
            mus etiam in eo arcus ſignorum: </s>
            <s xml:id="echoid-s41293" xml:space="preserve">qui quidem deſcribuntur, vt in Meridiano horologio, vel pola-
              <lb/>
            ri, hoc excepto, quòd hic lineæ horarię in figura radiorum radium Aequatoris ad angulos rectos
              <lb/>
              <note position="left" xlink:label="note-0643-04" xlink:href="note-0643-04a" xml:space="preserve">40</note>
            ſecantes habent ſingulę ſingulos numeros, non autem binos, vt ibi, niſi cum linea ſtyli vna eſt ex
              <lb/>
            lineis horariis, vel certe à duabus proximis hinc inde poſitis æqualiter diſtat, quemadmodum in
              <lb/>
            aliis horologiis declinantibus contingere ſolet.</s>
            <s xml:id="echoid-s41294" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">Horizontalis li-
            <lb/>
          nea partitur ho
            <lb/>
          rologium in Su
            <lb/>
          perius, Infe-
            <lb/>
          riusq́ue. Et in
            <lb/>
          Diurnum, No-
            <lb/>
          cturnumque.</note>
          <p>
            <s xml:id="echoid-s41295" xml:space="preserve">LINEA horizontalis totum horologium diuidit, vt in præcedentibus dictum eſt, in Supe-
              <lb/>
            rius atque Inferius, quorum Superius eſt pars illa, quæ infra lineam horizontalem continetur:
              <lb/>
            </s>
            <s xml:id="echoid-s41296" xml:space="preserve">Reliqua autem pars dabit Inferius, ſi tamen omnes partes inuertantur, vt ſupra dictum eſt, & </s>
            <s xml:id="echoid-s41297" xml:space="preserve">ho-
              <lb/>
            ræ, quæ prius à med. </s>
            <s xml:id="echoid-s41298" xml:space="preserve">noc. </s>
            <s xml:id="echoid-s41299" xml:space="preserve">computabantur, nunc à mer. </s>
            <s xml:id="echoid-s41300" xml:space="preserve">numerentur, &</s>
            <s xml:id="echoid-s41301" xml:space="preserve">c. </s>
            <s xml:id="echoid-s41302" xml:space="preserve">Eadem horizonta-
              <lb/>
            lis linea dirimit totum horologium in Diurnum, ac Nocturnum, vt in pręcedentibus explica-
              <lb/>
            tum eſt.</s>
            <s xml:id="echoid-s41303" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s41304" xml:space="preserve">PORRO arcus ſignorum borealium continentur inter centrum horologii, & </s>
            <s xml:id="echoid-s41305" xml:space="preserve">æquinoctia-
              <lb/>
              <note position="left" xlink:label="note-0643-06" xlink:href="note-0643-06a" xml:space="preserve">50</note>
              <note position="right" xlink:label="note-0643-07" xlink:href="note-0643-07a" xml:space="preserve">Qui arc
                <unsure/>
              us ſi-
                <lb/>
              gnorum ad bo-
                <lb/>
              realia ſigna, &
                <lb/>
              qui ad auſtralia
                <lb/>
              pertineant.</note>
            lem lineam in horologiis ſuperioribus à ſeptentrione declinantibus, & </s>
            <s xml:id="echoid-s41306" xml:space="preserve">in iis etiam, quæ à meri-
              <lb/>
            die declinant, ſi tamen centrum habeant infra æquinoctialem lineam, quemadmodum in hori-
              <lb/>
            zontalibus horologiis: </s>
            <s xml:id="echoid-s41307" xml:space="preserve">Si autem hæc horologia à meridie declinantia centrum habeant ſupra li-
              <lb/>
            neam æquin octialem, pertinebunt arcus inter centrum, & </s>
            <s xml:id="echoid-s41308" xml:space="preserve">æquinoctialem lineam ad ſigna auſtra-
              <lb/>
            lia, veluti in Verticalibus horologiis ad auſtrum ſpectantibus. </s>
            <s xml:id="echoid-s41309" xml:space="preserve">Quòd ſi huiuſmodi horologia cen
              <lb/>
            tro careant, exiſtent arcus ſignorum auſtralium ſupra lineam æquinoctialem, ſicuti in polaribus
              <lb/>
            horologijs, &</s>
            <s xml:id="echoid-s41310" xml:space="preserve">c. </s>
            <s xml:id="echoid-s41311" xml:space="preserve">In horologiis Inferioribus contrarium prorſus eſt intelligendum.</s>
            <s xml:id="echoid-s41312" xml:space="preserve"/>
          </p>
          <note position="right" xml:space="preserve">Qua ratione ex
            <lb/>
          figura radiorũ
            <lb/>
          ad datam ſtyli
            <lb/>
          longitudinem
            <lb/>
          maius aut mi-
            <lb/>
          nus horologiũ
            <lb/>
          deſcribatur.</note>
          <p>
            <s xml:id="echoid-s41313" xml:space="preserve">QVOD ſi ex ſigura radiorum Zodiaci huius cap. </s>
            <s xml:id="echoid-s41314" xml:space="preserve">maius, aut minus horologium deſcriben-
              <lb/>
            dum ſit, pro data ſtyli magnitudine, fiet id hunc in modum. </s>
            <s xml:id="echoid-s41315" xml:space="preserve">Deſcribatur ſeorſum, veluti iuxta ſi-
              <lb/>
            guram radiorum huius propoſ. </s>
            <s xml:id="echoid-s41316" xml:space="preserve">vides, triangulum ρ I G, ex horologio hoc cap. </s>
            <s xml:id="echoid-s41317" xml:space="preserve">conſtructo, vel ex
              <lb/>
            ipſa ſigura radiorum deſumptum, in quo axis mundi eſt ρ I; </s>
            <s xml:id="echoid-s41318" xml:space="preserve">Aequator I G; </s>
            <s xml:id="echoid-s41319" xml:space="preserve">linea ſtyli ρ G, in </s>
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