GAYA, LOUIS DE. Traité des Armes, des Machines de Guerre, des Feux d'Artifice [etc.]. 19 woodcut plates of weapons, armor, field fortifications, explosives, battle standards, etc.; 2 folding woodcut diagrams of troop formations; 2 folding plates of encampments. [8], 172 pages, including woodcut additional title. bound with: Le Devoir des Officiers d'Armée. Contenant les Évolutions Militaires . . . les Évolutions de la Cavalerie, la Castrametation . . . et les Ordres de Bataille . . . par le S[ieur] C.**, Ingenieur du Roy. [24], 144 pages, including initial blank. Together, 2 volumes in one. 12mo, 139x80 mm, modern brown calf gilt with red morocco lettering piece; scattered foxing, occasional soiling and dampstaining, large wormholes in outer margin of a few consecutive leaves in first work causing slight image loss to plate 18. Bookplate of Arnauld de Vitry. Paris: Sébastien Cramoisy, 1678; André Pralard, 1678