. . "Watervliet Arsenal (N.Y.)" . . . "Documentary films" . "Shows the work of the men who forge fourteen-inch guns; traces the various processes that are involved in the manufacturing of these guns from the first rough-turning of the plain steel to the final completion of the finished gun. Photographed by special permission at the United States Arsenal at Watervliet, N.Y." . "Shorts" . . . "Educational/cultural works" . . "The Making of hundred-ton guns" . . . "Documentaries and factual works" . . . . . . . . . . . . .