Sundial at Griffith Park Observatory, 1957
Caption slip reads: "Photographer: Rustan. Date: 1957-02-06. Reporter: Thackrey. Assignment: Sundial. 35 & 36, left to right: Dr. C.H. Cleminshaw, associate director of Griffith Park Observatory explains new sundial to third grade pupils Stephen Codgill and Blance Garriga of the Perry Elementary School, Torrance".