Photograph of a smog protection experiment, ca. 1947. "USC vs. Smog -- USC concerned itself with smog research when Los Angeles was having its worst problems with air pollution. In this 1947 photo from University photo files titled "Smog Control", Dr. E.A. Swenson is seated and wearing a protective helmet. Dr. H. Roth is standing" -- Clipping attached to the verso and the Trojan Gallery, p. 333. "4/8/1947" in type on verso.
uaictrogal3332uaictrogal333uaictrogal3332University of Southern California FacultyResearchSwenson E. ARoth H. Hubert 1903