321. 16" BC Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: February 4, 1922 Institution: National Archives at Boston
322. 16" BC assembly of cradle and side frames Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 8, 1921 Institution: National Archives at Boston
323. 16" BC assembly of side frames to racer Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 8, 1921 Institution: National Archives at Boston
324. 16" BC boring holes for elevating mechanism Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: March 16, 1921 Institution: National Archives at Boston
325. 16" BC cradle, boring recoil and recuperator holes Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: March 16, 1921 Institution: National Archives at Boston
326. 16" BC recoil band, boring holes for pull & piston rods Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
327. 16" DC, 1919 gun at elevation of 29 degrees and twenty-four minutes round Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: May 8, 1922 Institution: National Archives at Boston
328. 16" DC carriage M 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 18, 1920 Institution: National Archives at Boston
329. 16" DC carriage M 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 31, 1920 Institution: National Archives at Boston
330. 16" DC carriage M 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 31, 1920 Institution: National Archives at Boston
331. 16" DC carriage M 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 31, 1920 Institution: National Archives at Boston
332. 16" DC carriage M 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 28, 1920 Institution: National Archives at Boston
333. 16" DC carriage shop Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 18, 1920 Institution: National Archives at Boston
334. 16" DC during construction Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: 1919 Institution: National Archives at Boston
335. 16" DC parts Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: 1919 Institution: National Archives at Boston
336. 16" DC parts Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: 1919 Institution: National Archives at Boston
337. 16" How. cradle boring and turning trunnions Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
338. 16" How. cradle finishing faces for elev. and range disc racks Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
339. 16" Howitzer BC M 1920 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 4, 1922 Institution: National Archives at Boston
340. 16" Howitzer BC M 1920 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 4, 1922 Institution: National Archives at Boston