1965 Press Photo Scientists brief Princess Margaret on spacecraft in California

Dr. William H. Pickering, head of Jet Propulsion Laboratory in Pasadena, California, explains workings of a Mariner spacecraft to Princess Margaret during a tour of the facility yesterday. At left is Dr. Lee DuBridge, President of California Institute of Technology. Several versions of Ranger spacecraft are in background.

Photo is dated 1965.

Photo measures 10 x 8 inches.