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41. 76 MM gun tube burst by hydraulic pressure

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 3, 1943
Institution:: National Archives at Boston

42. 76 MM gun tube prior to test

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: April 28, 1943
Institution:: National Archives at Boston

43. Amsler 50,000, universal testing machine with autographic recorder

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: March 14, 1940
Institution:: National Archives at Boston

44. Base-tempering unit

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 2, 1944
Institution:: National Archives at Boston

45. Bernie Krupp

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1942–1959]
Institution:: National Archives at Boston

46. Bldg. 64 sub station, air compressor in foreground

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: October 1939
Institution:: National Archives at Boston

47. Broken mechanism on west portion of cross truck on crane

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: December 16, 1941
Institution:: National Archives at Boston

48. Capping apparatus

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: May 2, 1944
Institution:: National Archives at Boston

49. Casting machine T2

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: August 1940
Institution:: National Archives at Boston

50. Cation exchange column and controls

Creator:: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1963–1967]
Institution:: National Archives at Boston

51. Centerless grinder

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1942–1959]
Institution:: National Archives at Boston

52. Centrifugal casting equipment, showing T7A and T6 centrifugal casting machines

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1939–1959]
Institution:: National Archives at Boston

53. Centrifugal casting machines, rear, T-5, front, T-1

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1939–1959]
Institution:: National Archives at Boston

54. Centrifugal casting machines, rear, T-5, front, T-1

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. August 26, 1940]
Institution:: National Archives at Boston

55. Centrifugal casting plant induction furnace platform

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: August 1940
Institution:: National Archives at Boston

56. Ceramic press

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: April 8, 1960
Institution:: National Archives at Boston

57. Charpy impact machine

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1942–1959]
Institution:: National Archives at Boston

58. Close-up of figure 7 illustrating means for constant replenishment of solution

Creator:: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1963–1967]
Institution:: National Archives at Boston

59. Close-up of masked trunion ready for installation of anode and tank assembly

Creator:: U.S. Army Materials and Mechanics Research Center. Public Affairs Office; Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1963–1967]
Institution:: National Archives at Boston

60. Col. Mesick and Dave Driscoll

Creator:: Watertown Arsenal (Mass.)
Format:: Photographs
Collection:: Watertown Arsenal Photographs
Date:: [ca. 1942–1959]
Institution:: National Archives at Boston