ERRARD DE BAR-LE-DUC (Jean) - La fortification demonstrée et - Lot 318

ERRARD DE BAR-LE-DUC (Jean) - La fortification demonstrée et réduicte en art par feu I. Errard de Bar Le Duc, ingénieur du très chrétien Roy de France et de Navarre. Reveue & augmentée par A. Errard son nepveu aussi ingénieur du Roy suivant les mémoires de l'autheur contre les grandes erreurs de l'impression contrefaicte en Allemagne. Dedicated to His Majesty. Paris, s.e., 1620; in-folio, VI-175 leaves (+ royal privilege), bound in modern full vellum, spine smooth, edges speckled. Title page and second page restored. Fine condition of this second edition. Engravings by Briot. Jean Errard (born around 1554 in Bar-le-Duc, died July 20, 1610 in Sedan) was a mathematician and military engineer from Lorraine, initially in the service of the ducal court of Lorraine, who converted to Protestantism and entered the service of French King Henri IV. Introducing Italian fortification to France, he was a precursor of Vauban. La fortification démontrée et réduite en art is the major work of Jean Errard de Bar-Le-Duc. It heralds the arrival of Vauban. This work is based on the fundamentals of geometry. Jean Errard translated Euclid's Elements. Consultant: Mr. Philippe HENRY