DEMEUSE, Nicholas. Nouveau Traité de l' Art des Armes, Liege: 1778, 8°, 14 folding engraved plates, recent tan calf -- Rules and Regulations for the Sword Exercises of the Cavalry, London: for the War Office, 1796, 8°, 29 folding engraved plates, advertisement leaf bound in at end, contemporary marbled boards (neatly rebacked in paper, corners bumped); and the plate volume only to Boëssière's Traité de l' Art des Armes (1818, 20 folding engraved plates, one plate cropped). (3)