Description: , A Paris, Chez Charles-Antoine Jombert [..], 1749, XXIII,[1],247,[1 blank],[1] pp. With woodcut title-vignette, 1 engraved headpiece after C.N. Cochin & 36 fold. engraved plates (incl. plans & ills.) by C.C. Riolet. Large 4to (ca. 26 x 20 cm.), 18th-cent. half-calf, gilt ribbed spine with red calf letterpiece. ? Sloos (Warfare and the Age of Printing) 08114. Graesse II, p. 190. Quérard II, p. 214. Scarce first edition (printed on LARGE PAPER) of a standard work on field fortification by the French military engineer Louis-André de la Mamie de Clairac (1690-1752). – A few small defects to the binding (spine-ends sl. dam./ torn). Occ. sl. foxed/ browned, but nevertheless in good condition.