Descartes, René, Renati Des-Cartes principia philosophiae

Table of figures

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              inde intelligi effectum iſtius inaequalitatis non alium
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              eſſe debere in hac Terrae orbitâ, quàm ſi minimi ma­
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              juſculis immediatè ſuccederent; nec alium etiam in
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              locis intermediis,
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              quòd lineae ſecundùm
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              quas iſti radii diſper­
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              guntur, non ſint rectae,
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              ſed paulatim inflexae. </s>
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              Nempe, ſi S ſit Sol,
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              2 3 4 5 orbita per quam
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              Terra anni ſpatio de­
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              fertur ſecundùm ordi­
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              nem notatum 2, 3, 4,
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              DEFG<H>n terminus
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              ille à quo globuli coele­
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              ſtes incipiunt gradatim
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              eſſe minores & minores
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              uſque ad Solem (quem
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              terminum ſuprà dixi­
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              mus a non habere figu­
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              ram ſphaerae perfectae,
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              ſed ſphaeroidis irregu­
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              laris, verſùs polos mul­
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              tò depreſſioris, quàm
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              verſùs eclipticam), &
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              C ſit Cometa in noſtro
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              coelo exiſtens: putan­
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              dum eſt radios Solis in hunc Cometam impingentes, ita
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              inde reflecti verſùs omnes partes ſphaeroidis DEFGH,
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              ut ii qui perpendiculariter incidunt in F, maximâ </s>
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