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

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              <pb o="157" file="0685" n="755" rhead="MATHEMATICA LIB. IV. CAP. XIII."/>
            Syſtema poſſe diſpergi, relictis interſtitiis minimis, ex ma-
              <lb/>
            teriæ diviſibilitate, deducitur .</s>
            <s xml:id="echoid-s17761" xml:space="preserve">
              <note symbol="*" position="right" xlink:label="note-0685-01" xlink:href="note-0685-01a" xml:space="preserve">26.</note>
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        <div xml:id="echoid-div2737" type="section" level="1" n="673">
          <head xml:id="echoid-head871" xml:space="preserve">CAPUT XIII.</head>
          <head xml:id="echoid-head872" xml:space="preserve">De Motu Telluris.</head>
          <p>
            <s xml:id="echoid-s17762" xml:space="preserve">PRæter in Capite præcedenti diſcuſſam quæſtionem, & </s>
            <s xml:id="echoid-s17763" xml:space="preserve">a-
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            lia datur examinanda, antequam ad totius Syſtematis ex-
              <lb/>
            plicationem accedamus.</s>
            <s xml:id="echoid-s17764" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17765" xml:space="preserve">Ut nullum dubium ſuperſit circa Syſtema, in primo capite
              <lb/>
            hujus libri explicatum, probandus nobis hìc eſt Telluris mo-
              <lb/>
            tus, de quo non mirum ſi plures dubitaverint; </s>
            <s xml:id="echoid-s17766" xml:space="preserve">nullis enim,
              <lb/>
            niſi à ſpectatoribus in Tellure inſtitutis, obſervationibus,
              <lb/>
            motus coeleſtes à nobis determinari queunt, & </s>
            <s xml:id="echoid-s17767" xml:space="preserve">eadem Phoe-
              <lb/>
            nomena apparent, ſive corpora ipſa transferantur, ſive ſpecta-
              <lb/>
            tor moveatur ; </s>
            <s xml:id="echoid-s17768" xml:space="preserve">ita ut immediatis obſervationibus non
              <note symbol="*" position="right" xlink:label="note-0685-02" xlink:href="note-0685-02a" xml:space="preserve">993.</note>
            utrum motus Telluris ad corpora coeleſtia non referri debeat.</s>
            <s xml:id="echoid-s17769" xml:space="preserve"/>
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          <p style="it">
            <s xml:id="echoid-s17770" xml:space="preserve">Tellurem circa Solem circumferri, ex motuum analogiâ
              <lb/>
              <note position="right" xlink:label="note-0685-03" xlink:href="note-0685-03a" xml:space="preserve">1244.</note>
            deducitur, & </s>
            <s xml:id="echoid-s17771" xml:space="preserve">ex examine legum naturæ demonſtratur.</s>
            <s xml:id="echoid-s17772" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17773" xml:space="preserve">Quod motuum analogiam ſpectat, notandum, circa Jo-
              <lb/>
            vem & </s>
            <s xml:id="echoid-s17774" xml:space="preserve">Saturnum rotari Satellites corpore centrali minores;
              <lb/>
            </s>
            <s xml:id="echoid-s17775" xml:space="preserve">Circa Tellurem Luna, Tellure minor, revolvitur; </s>
            <s xml:id="echoid-s17776" xml:space="preserve">Tandem
              <lb/>
            circa Solem girantur corpora minora Mercurius, Venus,
              <lb/>
            Mars, Jupiter, & </s>
            <s xml:id="echoid-s17777" xml:space="preserve">Saturnus; </s>
            <s xml:id="echoid-s17778" xml:space="preserve">Si cum his Telius rotetur, ubique
              <lb/>
            in Syſtemate noſtro corpora minora circa majora moventur; </s>
            <s xml:id="echoid-s17779" xml:space="preserve">
              <lb/>
              <note position="right" xlink:label="note-0685-04" xlink:href="note-0685-04a" xml:space="preserve">1245.</note>
            in hac autem regulâ exceptio dabitur reſpectu Solis, ſi ingens
              <lb/>
            hoc corpus, in motu, minimam Telluris maſſam cingat.</s>
            <s xml:id="echoid-s17780" xml:space="preserve"/>
          </p>
          <note symbol="*" position="right" xml:space="preserve">975.</note>
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            <s xml:id="echoid-s17781" xml:space="preserve">Circa Solem, Jovem, & </s>
            <s xml:id="echoid-s17782" xml:space="preserve">Saturnum, circa quos ſingulos
              <lb/>
            plurima corpora revolvuntur, lentius moventur, quæ magis à
              <lb/>
            corpore centrali diſtant, & </s>
            <s xml:id="echoid-s17783" xml:space="preserve">quidem juxta hanc regulam, qua-
              <lb/>
              <note position="right" xlink:label="note-0685-06" xlink:href="note-0685-06a" xml:space="preserve">1246.</note>
            drata temporum periodicorum ſequi rationem cuborum di-
              <lb/>
            ſtantiarum ; </s>
            <s xml:id="echoid-s17784" xml:space="preserve">quæ regula applicari poteſt Telluri, ſi
              <note symbol="*" position="right" xlink:label="note-0685-07" xlink:href="note-0685-07a" xml:space="preserve">974.</note>
            cum cæteris Planetis circa Solem circumferatur, ut patet,
              <lb/>
            ſi illius tempus periodicum, (tempus nempe in quo Sol in-
              <lb/>
            tegram revolutionem peragere videtur,) ut & </s>
            <s xml:id="echoid-s17785" xml:space="preserve">diſtantia à
              <lb/>
            Sole, cum cæterorum Planetarum diſtantiis & </s>
            <s xml:id="echoid-s17786" xml:space="preserve">temporibus
              <lb/>
            periodicis, conferantur.</s>
            <s xml:id="echoid-s17787" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s17788" xml:space="preserve">Vnicam autem patitur exceptionem regula hæc, ſi, </s>
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