201. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
202. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
203. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
204. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
205. 16" Barbette mount, close up of generator cylinders in recoil position Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 6, 1938 Institution: National Archives at Boston
206. 16" Barbette mount elevated in recoil position Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 6, 1938 Institution: National Archives at Boston
207. 16" Barbette mount in building 311, showing bombproof shield Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 9, 1938 Institution: National Archives at Boston
208. 16" BC base ring, plaining joints Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: March 16, 1921 Institution: National Archives at Boston
209. 16" BC cutting teeth in traversing rack Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
210. 16" BC cutting teeth in traversing rack Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
211. 16" BC distance ring, drilling & taping for roller bearings Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
212. 16" BC section of base ring Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
213. 16" DC carriage in pit Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
214. 16" DC model 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1917] Institution: National Archives at Boston
215. 16" Howitzer locking hoop being quenched, weight 32,500 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
216. 1908 Woodland sprayer Format: Postcards/Cards Collection: William Mahoney Collection Date: 1908 Institution: Arlington Historical Society
217. #2 Machine, Government Mill, 1950 Format: Photographs Collection: Photo Collection Date: 1950 Institution: Crane Museum of Papermaking
218. 2.000 KV Van DeGraff radiographic unit Creator: U.S. Army Materials and Mechanics Research Center. Public Affairs Office Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1980–1984] Institution: National Archives at Boston
219. 240 MM shell, finish turning base in preparation for base cover Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: April 1945 Institution: National Archives at Boston
220. 240 MM shell, finish turning bourrelet Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: July 30, 1945 Institution: National Archives at Boston