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Bradwardine Geometria speculativa . Book Bradwardine Thomas Ciruelo Pedro Geometria speculativa Iohannis Petit Jean Petit Guidonis Mercatoris Guy Marchant Paris lat it Geometria speculativa Thome brauardini recoligens omnes conclusiones geometricas parisi in campo gaillardi operaque Guidonis mercatoris diligentissime impressa