war department technical manual Flank spotting instrument M 1 : flank spotting rule M 1 : ordnance maintenance war department technical manual Azimuth instrument M 1918 : ordnance maintenance Paints for projectils : regulations prescribed 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 … Regulations for the government of the ordnance department
