2301. Interior, foundry, centre bay, easterly Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: April 26, 1918 Institution: National Archives at Boston
2302. Interior of Arsenal 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
2303. Interior of building Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
2304. Interior of commanding officer's quarters, front hall and main stairway Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1977] Institution: National Archives at Boston
2305. Interior of storehouse Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: October 25, 1920 Institution: National Archives at Boston
2306. Interior view of the United States Arsenal at Watertown, MA Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: 1939–1982 Institution: National Archives at Boston
2307. Interiors - unused buildings Creator: Halberstadt, Ernst, 1910-1987 Format: Photographs Collection: Project DOCUMERICA Photographs by Ernst Halberstadt Date: June 7, 1973 Institution: Boston Public Library
2308. Intermediate 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
2309. Internal view of cryostat with beryllium moderator assembled 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
2310. Intricate precision castings, investment process Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1939–1959] Institution: National Archives at Boston
2311. Isostatic compact fixture 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
2312. Isostatic compact fixture assembly 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
2313. Isothermally forged Ti-6AI-4V centrifugal compressor impeller 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
2314. John Brown's Fort, Harpers Ferry Virginia Format: Photographs Collection: The Medford Historical Society Civil War Photograph Collection Date: 1861–1865 Institution: The Medford Historical Society & Museum
2315. John F. Kennedy and Col. Mesick Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2316. John F. Kennedy and Col. Mesick Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2317. John F. Kennedy and officer Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2318. John F. Kennedy in workplace with men Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2319. John F. Kennedy with four men Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston
2320. John F. Kennedy with men Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1942–1959] Institution: National Archives at Boston