CLAIRAC (Louis-André de La Mamie, chevalier de). L'Ingénieur de Campagne, ou Traité de la fortification passagère. By M. le Chevalier de Clairac, Brigadier des Armées du Roi, Ingénieur en chef à Bergues-Saint-Vinock. Second edition. À Paris, chez Charles-Antoine Jombert, 1757, in-4, folding plates, marbled fawn calf, ornate ribbed spine, red edges (period binding). Second edition of this reference treatise on military architecture, illustrated with 36 fold-out plates engraved by Ch. Riolet, including plans of Naterberg, Château d'O and Pilsting in Bavaria, Spire, the Nordheim camp, the battle of Fontenoy, etc. (Covers missing, mottled edges). (Covers missing, jaws cracked, lower joints worn, lower corners trimmed).