5921. Old 8" mount Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908] Institution: National Archives at Boston
5922. Open end high strength steel cylinder Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5923. Operating high-temperature induction heater Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5924. Operating IBM 1620 computer Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5925. Orientation processing equipment Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1967–1984] Institution: National Archives at Boston
5926. Outboard lead shield for flight path, neutron slow chopper Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5927. Outboard lucite collimator shielding for neutron slow chopper Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5928. Overall view of fatigue crack propagation test Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1967–1984] Institution: National Archives at Boston
5929. Overall view of high pressure cell Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5930. Pack mule loaded with mountain battery supplies Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: January 17, 1913 Institution: National Archives at Boston
5931. Peter E. Johanson Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 16, 1953 Institution: National Archives at Boston
5932. Phillip Carbonaro Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
5933. Phillip Carbonaro Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
5934. Photo section Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 5, 1959 Institution: National Archives at Boston
5935. Photocopy of failure, experimental 10 inch wire wound cannon circa 1875, bottom Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5936. Photocopy of failure, experimental 10 inch wire wound cannon circa 1875, top Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston
5937. Photograph addressed to E. Reed with cordial regards Allen Sauveur Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1959–1962] Institution: National Archives at Boston
5938. Photograph taken at Fortress Monroe sometime in 1868-1870 Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1967–1984] Institution: National Archives at Boston
5939. Plane Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1962] Institution: National Archives at Boston
5940. Plugging type armor penetration by fragment-simulating projectile Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1963–1967] Institution: National Archives at Boston