Descartes, René, Renati Des-Cartes principia philosophiae

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            <p type="main">
              <s>
                <pb pagenum="129"/>
              cauſà, quae venit ex K verſus
                <emph type="italics"/>
              e
                <emph.end type="italics"/>
              , quae autem ex L verſus
                <lb/>
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              : hinc fiet ut poli
                <emph type="italics"/>
              ſd
                <emph.end type="italics"/>
              , circa quos tota Solis materia
                <lb/>
              vertetur, non ſint in lineis rectis à K & L ad S ductis,
                <lb/>
              ſed Auſtralis
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              aliquantò magis verſus
                <emph type="italics"/>
              e
                <emph.end type="italics"/>
              accedat, &
                <lb/>
                <arrow.to.target n="marg860"/>
              Borealis
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              verſus
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              . </s>
              <s>Item, ſi linea recta SM, per quam
                <lb/>
              materia primi elementi facillimè egreditur ab S ver­
                <lb/>
              ſus C, tranſeat per punctum circumferentiae ſed, vici­
                <lb/>
              nius puncto d quàm puncto
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              ; ac linea SY, per quam
                <lb/>
              iſta materia praecipuè tendit ab S verſus O, tranſeat
                <lb/>
                <arrow.to.target n="marg861"/>
              per punctum circumferentim
                <emph type="italics"/>
              ſgd
                <emph.end type="italics"/>
              , vicinius puncto
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
                <lb/>
              quàm puncto
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              : hinc ſiet ut
                <emph type="italics"/>
              eg
                <emph.end type="italics"/>
              Solis ecliptica, ſive pla­
                <lb/>
              num in quo movetur illa ejus materia, quae maximum
                <lb/>
              circulum deſcribit, paulò magis inclinetur à parte e
                <lb/>
              verſus polum
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              , quàm verſus polum
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              , ſed tamen non
                <lb/>
                <arrow.to.target n="marg862"/>
              tantum quàm linea recta SM a; atque ex parte
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              magis
                <lb/>
              inclinetur verſus
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              quàm verſus
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              , ſed etiam non tan­
                <lb/>
              tum quàm recta SY. </s>
              <s>Unde ſequetur axem, circa quem
                <lb/>
              tota Solis materia vertitur, & cujus extremitates ſunt
                <lb/>
              poli
                <emph type="italics"/>
              ſd
                <emph.end type="italics"/>
              , non eſſe lineam accuratè rectam, ſed nonnihil
                <lb/>
                <arrow.to.target n="marg863"/>
              curvam ſive inflexam; materiamque iſtam aliquantò
                <lb/>
              celeriùs gyrare inter
                <emph type="italics"/>
              e & d
                <emph.end type="italics"/>
              , vel inter
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              , quàm inter
                <lb/>
                <emph type="italics"/>
              e
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              , vel
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              ; ac fortè etiam, non omnino aequali
                <lb/>
              celeritate gyrare inter
                <emph type="italics"/>
              e
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              d
                <emph.end type="italics"/>
              , atque inter
                <emph type="italics"/>
              ſ
                <emph.end type="italics"/>
              &
                <emph type="italics"/>
              g
                <emph.end type="italics"/>
              . </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg859"/>
              LXXIV.
                <lb/>
              Varias etiam eſſe in
                <lb/>
              ejus materiae motu. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg860"/>
              5</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg861"/>
              10</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg862"/>
              15</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg863"/>
              20</s>
            </p>
            <figure id="fig26" number="26"/>
            <p type="main">
              <s>
                <arrow.to.target n="marg864"/>
                <lb/>
              LXXV.
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              Eas tamen non impe­
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              dire ne ejus figura ſit
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              rotunda.
                <arrow.to.target n="marg865"/>
                <lb/>
              Quod tamen non poteſt impedire, ne ipſius corpus
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              ſit quam-proxim rotundum: quia interim alius ejus
                <lb/>
              motus, à polis verſus eclipticam, inaequalitates iſtas
                <lb/>
              compenſat. </s>
              <s>Eâdemque ratione, quà videmus ampul­
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              lam vitream ex eo ſolo fieri rotundam, quòd aer
                <gap/>
              in
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              ejus materiam igne liquefactam per tubum ferreum
                <lb/>
                <arrow.to.target n="marg866"/>
              immittatur; quia nempe iſte aer
                <gap/>
              non majori vi ab </s>
            </p>
          </chap>
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