15 images. Audio-visual education, 21 March 1952. Ernestina Quintero; Marguerite Eichinger; George Smith; Hilma Hanson; Mrs. Pearl Thomas; Grady Humphrey (teacher); Robert Roybal (student operator); Nancy -- 3rd grade; Joan -- 4th grade.; Caption slip reads: "Photographer: Sansone. Sate: 03-21. Reporter: Caswell. Assignment: Audi-visual education. 10: Hilma Hanson assembling kits for harbor and fisheries exhibits with samples of purse-seining equipment. 75: Stock room for film strips which are thrown through projectors on 35mm film. Mrs. Pearl Thomas working. 76: Butterfly exhibit circulated to science classes. 49-50: Exhibits showing evolution of tomato horn worm. At John Adams Junior High. 87-88-31: Class viewing motion picture film. Teacher, Grady Humphrey. Student operator, Robert Roybal. At 32nd St. Elementary School. 32-21: Nancy, third grade, and Joan, fourth grade, study picture displays of desert plants and animals. Nancy is blond, Joan a brunette.