ordnance maintenance - mobile artillery Howitzer and carriage, 75-mm, M2A1, M3 and M3A1 Drafting room regulations of the Ordnance Department U.A. army : revised jan. 1, 1937 ordnance maintenance - mobile artillery 155-mm. Howitzer matériel, M1917 and M1918 war department technical manual Ornance maintenance, sights, M4, M3 (for 60-MM and 81-MM mortar matériel) : sights, M2A3, M2A1, M3 (for 81-MM Mortar matériel / prepared under direction of … U.S. rifle, cal. .30, M1 : ordnance maintenance / War Department - USA Technical Manual, TM 9-1275 war department technical manual Prismatic compass M 1918 : ordnance maintenance war department technical manual Sound locator M 2 : ordnance maintenance war department technical manual Cleaning, preserving, lubricating and welding materials and similar items issued by the ordnance department war department technical manual Targets, target materials and rifle range construction / prepared under direction of the chief of ordnance and the quartermaster general war department technical manual Gun and carriage, 75-MM, M 1897, all types and special field artillery vehicles : ordnance maintenance war department technical manual Browning machine gun caliber 30, all types : u.s. machine gun, caliber 22 and trainer, caliber 22 : ordnance maintenance war department technical manual 155-MM gun matériel M 1917, M 1918 and modifications / prepared under direction of the chief of ordnance