101. 16" Howitzer BC M 1920 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 4, 1922 Institution: National Archives at Boston
102. 16" Howitzer BC M 1920 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: December 4, 1922 Institution: National Archives at Boston
103. 16" Howitzer boring cradle trunnion bearing in side frame Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 8, 1921 Institution: National Archives at Boston
104. 16" Howitzer carriage, caradle, bore for recoil, recuperator and pull rods Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
105. 16" Howitzer carriage, cradle, bore liners and cut keyway Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
106. 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
107. 16" Howitzer M1920 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: November 7, 1921 Institution: National Archives at Boston
108. 16" Seacoast 1918 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1908–1926] Institution: National Archives at Boston
109. 200 KV x-ray equipment Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1939–1959] Institution: National Archives at Boston
110. 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
111. 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
112. 240 MM shell, rough turning with 4 turning and 2 cut-off tools Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: April 1945 Institution: National Archives at Boston
113. 240 MM shell, showing method of setting tool by indicator for finish turning bourrelet Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: July 30, 1945 Institution: National Archives at Boston
114. 240 MM shell, spray painting Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: April 1945 Institution: National Archives at Boston
115. 240 MM shell, transfer of rotating band from induction furnace to banding press Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: April 1945 Institution: National Archives at Boston
116. 2400 Ft-Lb Charpy machine, bldg 71 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1959–1962] Institution: National Archives at Boston
117. 2400 Ft-Lb Charpy Machine, bldg 71 Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1959–1962] Institution: National Archives at Boston
118. 2,400,000 lb hydraulic tension-compression testing machine Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1959–1962] Institution: National Archives at Boston
119. 2,400,000 lbs. capacity tension-compression testing machine Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1964] Institution: National Archives at Boston
120. 2,400,000-lb hydraulic tension-compression testing machine Creator: Watertown Arsenal (Mass.) Format: Photographs Collection: Watertown Arsenal Photographs Date: [ca. 1959–1962] Institution: National Archives at Boston
