Descartes, René, Renati Des-Cartes principia philosophiae

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          <chap>
            <p type="main">
              <s>
                <pb pagenum="125"/>
              dubium eſt, quin eadem materia effluat ex S verſus
                <lb/>
              vortices O & C, ac etiam verſus plures, ſed quorum
                <lb/>
              nec ſitum, nec magnitudinem, nec numerum definio. </s>
              <s>
                <lb/>
              Ut neque deſinio, an eadem illa materia ex O & C ſta­
                <lb/>
                <arrow.to.target n="marg845"/>
              tim revertatur ad K & L, an potiùs digrediatur ad mul­
                <lb/>
              tos alios vortices, à prinio coelo remotiores, antequam
                <lb/>
              circulum ſui motùs abſolvat. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg838"/>
              LXXI.
                <lb/>
              Quae ſit ratio hujus
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              diverſitatis. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg839"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg840"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg841"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg842"/>
              20</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg843"/>
              25</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg844"/>
              30</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg845"/>
              5</s>
            </p>
            <figure id="fig24" number="24"/>
            <p type="main">
              <s>
                <arrow.to.target n="marg846"/>
                <lb/>
              Sed paulò diligentiùs eſt conſiderandum, quomodo
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              ipſa moveatur in ſpatio
                <emph type="italics"/>
              d e ſ g
                <emph.end type="italics"/>
              . </s>
              <s>Nempe illa ejus pars,
                <lb/>
                <arrow.to.target n="marg847"/>
              quae venit ab A, rectà pergit uſque ad
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              , ubi globulis
                <lb/>
              ſecundi elementi occurrens illos verſus B propellit;
                <lb/>
              eodemque modo alia pars, quae venit à B, rectà pergit
                <lb/>
              uſque ad
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              , ubi occurrit globulis ſecundi elementi,
                <lb/>
              quos repellit verſus A. </s>
              <s>Et ſtatim tam quae eſt verſus
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              ,
                <lb/>
                <arrow.to.target n="marg848"/>
              quàm quae verſus ſ, reflectitur in omnes partes verſus
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              eclipticam
                <emph type="italics"/>
              e g
                <emph.end type="italics"/>
              , omneſque globulos ſecundi elementi
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              circumjacentes aequaliter pellit; ac denique per meatus,
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              qui ſunt inter iſtos globulos circa eclipticam
                <emph type="italics"/>
              e g
                <emph.end type="italics"/>
              ,
                <lb/>
              verſus M & Y elabitur. </s>
              <s>Praeterea, dum iſta materia pri­
                <lb/>
                <arrow.to.target n="marg849"/>
              mi elementi proprio motu ſic rectà fertur ab A & B
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              verſus
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              , fertur etiam circulariter motu totius vor­
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              ticis circa axem AB adeò ut ſingula ejus ramenta
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              lineas ſpirales, ſive in modum cochleae contortas, deſ­
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              cribant; quae ſpirales poſtea, cùm ad
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              &
                <emph.end type="italics"/>
              ſ pervene­
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                <arrow.to.target n="marg850"/>
              runt, inde utrimque reflectuntur verſus eclipticam eg. </s>
              <s>
                <lb/>
              Et quia ſpatium
                <emph type="italics"/>
              d e ſ g
                <emph.end type="italics"/>
              majus eſt quàm meatus, per
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              quos materia primi elementi in illud ingreditur, vel
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              ex ipſo egreditur, idcirco ſemper ibi aliqua ejus ma­
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              teriae pars manet, corpuſque fluidiſſimum componit,
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                <arrow.to.target n="marg851"/>
                <lb/>
              quod perpetuà circa axem
                <emph type="italics"/>
              ſ d ſe
                <emph.end type="italics"/>
              ipſum rotat.
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                <arrow.to.target n="marg852"/>
              </s>
            </p>
          </chap>
        </body>
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