304 U. S. GOVERN

Year Published: 1950

Creator: Flemish and Italian artists: Fra Angelico; Jan Van Eyck; Petrus Christus; Gi gione; Botticelli; Gerard David; Bellini; and, others, with a critical discussion of each work. (34 slides, 2x2 in., also 3% x4 in., color) Imhoff Tank Process U.S. Public Health Service

Format: Slides

Description: How two types of Imhoff tanks purify raw sewage: bar screen; inlet; grease accumulation; sc on gas vent; gas bubbles at surface of gas vent; dried sludge on open sand drying bed; plant effluent entering stream. Aerial and over-all ground views a graphic flow diagram. (CDC-9-033.1; 20 slides, 2x2 in.) The Lesions of Syphilis U.S. Public Health Service in cooperation with U.S. Department of the Army and U.S. Department of the Navy, 1949. To illustrate authentic lesions in early quired syphilis; primary and secondary; late syphilis; skin; bone; cartilage; and joints; and congenital syphilis, early and late. (100 slides, 2x2 in., color) Medical Cancer Slide Series U.S. Public Health Service, 194S. Cross lesionsand X-ray photographs of diagnosed cancers of specific sites. Accompanying booklet provides chief complaint of patient, case history and physical findings. For doctors and medical students. (86 slides, 2x2 in., mostly b&w, some in color) Miscellaneous Aerial Views U.S. Public Health Service, 1950. (Municipal Sewage Treatment Equipment and Structures Series No. 7) Aerial views of

Complete Record: Series: Municipal Sewage Treatment Equipment and Structures Series No. 1 Type: Set of Slides

Metadata Source:3434 U.S. Government Films