Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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              <pb o="126" file="0650" n="718" rhead="PHYSICES ELEMENTA."/>
            Syzygiis, Eclipſis obſervatur; </s>
            <s xml:id="echoid-s16751" xml:space="preserve">in hoc caſu in Eclipticâ, aut
              <lb/>
            parum ab hac diſtans, apparet Luna; </s>
            <s xml:id="echoid-s16752" xml:space="preserve">& </s>
            <s xml:id="echoid-s16753" xml:space="preserve">inde nomen ſuum
              <lb/>
            habet hæc linea.</s>
            <s xml:id="echoid-s16754" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16755" xml:space="preserve">Ut quæ Lunæ Eclipſin ſpectant clariùs pateant, ſit Lunæ
              <lb/>
              <note position="left" xlink:label="note-0650-01" xlink:href="note-0650-01a" xml:space="preserve">TAB. XXIII.
                <lb/>
              fig. 1.</note>
            ſemita OO; </s>
            <s xml:id="echoid-s16756" xml:space="preserve">planum Eclipticæ RR; </s>
            <s xml:id="echoid-s16757" xml:space="preserve">in hoc ſemper datur
              <lb/>
            centrum umbræ Telluris ; </s>
            <s xml:id="echoid-s16758" xml:space="preserve">Nodus orbitæ Lunæ eſt N.</s>
            <s xml:id="echoid-s16759" xml:space="preserve"/>
          </p>
          <note symbol="*" position="left" xml:space="preserve">940. 939.</note>
          <p>
            <s xml:id="echoid-s16760" xml:space="preserve">Si centrum umbræ Telluris ſit in A, non obſcuratur Lu-
              <lb/>
            na, quæ in F tranſit.</s>
            <s xml:id="echoid-s16761" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16762" xml:space="preserve">Si minus à Nodo diſtet Luna in Plenilunio, ut in G, um-
              <lb/>
              <note position="left" xlink:label="note-0650-03" xlink:href="note-0650-03a" xml:space="preserve">1052.</note>
            bra Telluris datur in B, & </s>
            <s xml:id="echoid-s16763" xml:space="preserve">Luna pro parte obſcuratur; </s>
            <s xml:id="echoid-s16764" xml:space="preserve">hæc
              <lb/>
            Eclipſis dicitur Partialis.</s>
            <s xml:id="echoid-s16765" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16766" xml:space="preserve">Si, poſitâ in D, Plenilunium celebretur, in totum
              <lb/>
              <note position="left" xlink:label="note-0650-04" xlink:href="note-0650-04a" xml:space="preserve">1053.</note>
            tenebris obtegitur Luna in I; </s>
            <s xml:id="echoid-s16767" xml:space="preserve">in L in umbram cadit, in H
              <lb/>
            ex hac exit; </s>
            <s xml:id="echoid-s16768" xml:space="preserve">& </s>
            <s xml:id="echoid-s16769" xml:space="preserve">Eclipſis dicitur Totalis.</s>
            <s xml:id="echoid-s16770" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s16771" xml:space="preserve">Centralis vocatur Eclipſis, quando centrum Lunæ tranſit
              <lb/>
              <note position="left" xlink:label="note-0650-05" xlink:href="note-0650-05a" xml:space="preserve">1054.</note>
            per centrum Vmbræ, quod in ipſo Nodo N tantùm obtinet.</s>
            <s xml:id="echoid-s16772" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16773" xml:space="preserve">De Telluris umbrâ huc uſque locuti ſumus; </s>
            <s xml:id="echoid-s16774" xml:space="preserve">quia, quan-
              <lb/>
            do de Tellure loquimur, cum hac conjunctam etiam intelli-
              <lb/>
            gimus Atmoſphæram, de qua alibi ; </s>
            <s xml:id="echoid-s16775" xml:space="preserve">de Atmoſpbæræ
              <note position="left" xlink:label="note-0650-06" xlink:href="note-0650-06a" xml:space="preserve">1055.</note>
            propriè agitur in Eclipſibus Lunaribus; </s>
            <s xml:id="echoid-s16776" xml:space="preserve">ipſius enim Tellu-
              <lb/>
              <note symbol="*" position="left" xlink:label="note-0650-07" xlink:href="note-0650-07a" xml:space="preserve">418.</note>
            ris umbra ad Lunam non pertingit.</s>
            <s xml:id="echoid-s16777" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16778" xml:space="preserve">Sit T Tellus, Atmoſphærâ FDGGDF circum.
              <lb/>
            </s>
            <s xml:id="echoid-s16779" xml:space="preserve">
              <note position="left" xlink:label="note-0650-08" xlink:href="note-0650-08a" xml:space="preserve">TAB. XXIV.
                <lb/>
              fig. 1.</note>
            data. </s>
            <s xml:id="echoid-s16780" xml:space="preserve">Radii ſolares BD, BD, Atmoſphæram tangen-
              <lb/>
            tes, rectâ progrediuntur, & </s>
            <s xml:id="echoid-s16781" xml:space="preserve">Atmoſphæræ umbram ter-
              <lb/>
            minant, extra quam ſi Luna detur, immediatè à radiis So-
              <lb/>
            laribus illuminatur, non verò eodem modo, inter BD & </s>
            <s xml:id="echoid-s16782" xml:space="preserve">BD,
              <lb/>
            illuſtratur.</s>
            <s xml:id="echoid-s16783" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s16784" xml:space="preserve">Radii, qui obliquè Atmoſphæram intrant, refractionem pa-
              <lb/>
              <note position="left" xlink:label="note-0650-09" xlink:href="note-0650-09a" xml:space="preserve">1056.</note>
            tiuntur ; </s>
            <s xml:id="echoid-s16785" xml:space="preserve">& </s>
            <s xml:id="echoid-s16786" xml:space="preserve">dum ad Tellurem accedunt, continuò in
              <note symbol="*" position="left" xlink:label="note-0650-10" xlink:href="note-0650-10a" xml:space="preserve">617.</note>
            dium denſius atque denſius penetrant ; </s>
            <s xml:id="echoid-s16787" xml:space="preserve">ideoque
              <note symbol="*" position="left" xlink:label="note-0650-11" xlink:href="note-0650-11a" xml:space="preserve">424. 429.</note>
            momentis inflectuntur . </s>
            <s xml:id="echoid-s16788" xml:space="preserve">& </s>
            <s xml:id="echoid-s16789" xml:space="preserve">per curvas moventur. </s>
            <s xml:id="echoid-s16790" xml:space="preserve">Sic
              <note symbol="*" position="left" xlink:label="note-0650-12" xlink:href="note-0650-12a" xml:space="preserve">617.</note>
            EF, EF, in curvis FG, FG, Tellurem tangentibus,
              <lb/>
            Atmoſphæram penetrant. </s>
            <s xml:id="echoid-s16791" xml:space="preserve">Omne lumen inter EF, EF, à
              <lb/>
            Tellure intercipitur, & </s>
            <s xml:id="echoid-s16792" xml:space="preserve">Radii GA, GA, terminant Tel-
              <lb/>
            luris umbram.</s>
            <s xml:id="echoid-s16793" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s16794" xml:space="preserve">Lumen autem inter EF & </s>
            <s xml:id="echoid-s16795" xml:space="preserve">BD, ab Atmoſphærâ refra-
              <lb/>
            ctum, diſpergitur inter GA & </s>
            <s xml:id="echoid-s16796" xml:space="preserve">BD continuatam, & </s>
            <s xml:id="echoid-s16797" xml:space="preserve">ultra </s>
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