73 - ROZARD (Johann Claude de). *New French Fortifications*, in which the construction of fortified positions is discussed, along with an explanation of Marshal de Vauban’s three systems, how to attack and defend fortresses, how to encamp armies in line and during sieges, and how to deploy troops in battle and lead them into combat, whether on open ground or in the defense of entrenchments. Nuremberg, Jean George Lochner, 1731. 2 parts in one in-4 volume, contemporary brown sheepskin, decorated ribbed spine. (10) ff., 148 pp., (3) ff., 3–156 pp. Restoration to the binding; leather loss on the upper cover.

ROZARD (Johann Claude de). *New French Fortifications*, in which the construction of fortified positions is discussed, along with an explanation of Marshal de Vauban’s three systems, how to attack and defend fortresses, how to encamp armies in line and during sieges, and how to deploy troops in battle and lead them into combat, whether on open ground or in the defense of entrenchments. Nuremberg, Jean George Lochner, 1731. 2 parts in one in-4 volume, contemporary brown sheepskin, decorated ribbed spine. (10) ff., 148 pp., (3) ff., 3–156 pp. Restoration to the binding; leather loss on the upper cover. First and only edition of this treatise on modern fortification by Lieutenant Colonel Rozard, an engineer in the service of the Elector of Bavaria, in which he sets forth the theoretical and practical principles of fortification, placing significant emphasis on Vauban’s three systems. It is illustrated with a frontispiece depicting Charles Albert of Bavaria and 38 fold-out plates engraved by Jean Gacon (numbered up to 42, as several figures are combined on a single sheet).