2721. Group photo Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1984] Institution: National Archives at Boston
2722. Group standing Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2723. Group surrounding man with award Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2724. H. Enggren Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2725. H. Enggren Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2726. Hand salute during Memorial Day services Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: May 28, 1964 Institution: National Archives at Boston
2727. Harold C. Mann Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 3, 1953 Institution: National Archives at Boston
2728. Helmets and their developmental sequence 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
2729. HLH undercarriage 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
2730. House 1, front Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 13, 1943 Institution: National Archives at Boston
2731. House 1, rear Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 13, 1943 Institution: National Archives at Boston
2732. House 2, front Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 13, 1943 Institution: National Archives at Boston
2733. House 2, rear Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: September 13, 1943 Institution: National Archives at Boston
2734. Howell 10" disappearing carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: January 1913 Institution: National Archives at Boston
2735. Howell disappearing carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: January 1913 Institution: National Archives at Boston
2736. Hydraulic lift for hooking guns to pintle of trucktractor Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: 1946 Institution: National Archives at Boston
2737. J. Belsen Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2738. J. Belsen Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2739. J. L. Martin Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2740. J. P. Trayer Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: August 12, 1953 Institution: National Archives at Boston