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361. 16" Barbette carriage

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1920]
Institution:: National Archives at Boston

362. 16" Barbette carriage

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1920]
Institution:: National Archives at Boston

363. 16" Barbette carriage

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1920]
Institution:: National Archives at Boston

364. 16" Barbette carriage, boring recoil band

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: April 29, 1921
Institution:: National Archives at Boston

365. 16" Barbette carriage, boring, turning, facing distance ring

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 5, 1921
Institution:: National Archives at Boston

366. 16" Barbette carriage, cutting teeth in elevating rack

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: April 29, 1921
Institution:: National Archives at Boston

367. 16" Barbette carriage, drilling for traversing roller bearings

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: June 6, 1921
Institution:: National Archives at Boston

368. 16" Barbette carriage, machining racer

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1920]
Institution:: National Archives at Boston

369. 16" Barbette carriage, mounting cradle in side frames

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 4, 1921
Institution:: National Archives at Boston

370. 16" Barbette carriage, mounting gun in cradle

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 5, 1921
Institution:: National Archives at Boston

371. 16" Barbette carriage, recoil pull back testing devise

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: April 15, 1921
Institution:: National Archives at Boston

372. 16" Barbette carriage, traversing rack drilling fixture

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 4, 1921
Institution:: National Archives at Boston

373. 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

374. 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

375. 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

376. 16" Barbette mount model 191

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1908–1926]
Institution:: National Archives at Boston

377. 16" Barbette mount, model 191, side view

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: 1923
Institution:: National Archives at Boston

378. 16" Barr. carr., cradle in RR car, ready for shipment

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 19, 1920
Institution:: National Archives at Boston

379. 16" Barr. carr., recoil band, cut groove in 20.75 hole

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: June 6, 1921
Institution:: National Archives at Boston

380. 16" Barr. carr. recoil band, cutting keyway

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1908–1926]
Institution:: National Archives at Boston