Descartes, René, Renati Des-Cartes principia philosophiae

Table of figures

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              <s>17. Quòd haec vis in Terrâ, maximo magnete, minùs
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              fortis
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              appareat, quàm in pleriſque aliis minoribus". </s>
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              <s>18. Quòd acus à magnete tactae ſuas extremitates
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              eodem modo verſus Terram convertant, ac magnes
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              suos polos b.
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              </s>
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              <s>
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              5</s>
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              <s>19. Quòd eas non accuratè verſus Terrae polos con­
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              vertant, ſed variè variis in locis ab iis declinent c. </s>
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              <s>20. Quòd iſta declinatio cum tempore mutari poſſit d. </s>
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              <s>21. Quòd nulla ſit, ut quidam ajunt, vel fortè qu¬ò`d
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              non eadem nec tanta ſit, in magnete ſupra unum ex</s>
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              <s>
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              ſuis polis perpendiculariter erecto, quàm in eo cujus
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              poli qualiter à Terrâ diſtant e. </s>
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              <s>
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              10</s>
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              <s>22. Quòd magnes trahat ferrum f. </s>
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              <s>23. Quòd magnes armatus multò plus ferri ſuſti­
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              neat, quàm nudus g.
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              </s>
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              <s>
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              1</s>
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              <s>24. Quòd ejus poli, quamvis contrarii, ſe invicem
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              juvent ad idem ferrum ſuſtinendum h. </s>
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              <s>25. Quòd rotulae ferreae, magneti appenſae, gyratio
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              in utramvis partem à vi magneticà non impediatur i. </s>
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              <s>26. Quòd vis unius magnetis variè poſſit augeri vel</s>
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              minui, variâ magnetis alterius aut ferri ad ipſum ap­
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              plicatione . </s>
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              <s>
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              20</s>
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              <s>27. Quòd magnes, quantumvis fortis, ſerrum à ſe
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              diſtans, ab alterius debilioris magnetis contactu re­
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              trahere non poſſit k.
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              </s>
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            <p type="margin">
              <s>
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              25</s>
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              <s>28. Quòd contrà magnes debilis, aut exiguum </s>
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