Exterior ballistic tables based on numerical integration / prepared by the Ordnance Department U.S. Army U.S. rocket ordnance : development and use in World War II / released by the Joint Board on Scientific Policy for: Office of Scientific Research … Description of the automatic pistol, caliber . 45, model of 1911, with rules for management, memoranda of trajectory, and description of ammunition / Ordnance Department … war department technical manual Ordnance maintenance : field glass, type EE, september 12, 1941 Regulations for the government of the ordnance department