41. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
42. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: July 26, 1920 Institution: National Archives at Boston
43. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
44. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
45. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
46. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
47. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
48. 16" Barbette carriage Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1920] Institution: National Archives at Boston
49. 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
50. 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
51. 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
52. 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
53. 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
54. 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
55. 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
56. 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
57. 16" DC carriage in pit Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
58. 16" DC model 1917 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1917] Institution: National Archives at Boston
59. 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
60. 1908 Woodland sprayer Format: Postcards/Cards Collection: William Mahoney Collection Date: 1908 Institution: Arlington Historical Society
