Primary Treatment Plants
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Reviews material presented in trimotion picture. (CDC-5-138; 47 frames, synchronized disc, 7 minutes) 41 Principal Dimensions, Reference Surfaces and Tolerances U.S. Office of Education, 1945. (Machine Shop Work Fundamentals of Series. Bluprint Reading No. 3) Reviews material presented in motion picture, same title
Complete catalog record
Series: Municipal Sewage Treatment Plants Series No. 1
Film number: OE 53
Type: Filmstrip
Film number: OE 53
Type: Filmstrip
Source: 3434 U.S. Government Films · Record added 2026-07-13 14:19:26