war department technical manual Telescope mounts M 16 : range quadrant M 3 : elbow telescope M 5 : ordnance maintenance war department technical manual Telescope M 6 and telescope mount M 19 : ordnance maintenance / prepared under direction of the chief of ordnance 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
