Various testing devices with Grunder, Los Angeles, Calif., 1939

3 photographs of a man in a laboratory coat sitting on or inside an automobile parked at the Whittington studio, Los Angeles, California, 1939 February 6. "Client: Richfield; Agency: Hi[x]on O'Donnell; operator's report - name: Joe; 5 original photographs - at studio; Amount: 27.50" - on envelope. Editor's note: for the man's name, handwriting on another envelope looked more like "Grundar," but here it might be "Greender" or "Guender."