Operator & customer at car, Los Angeles, Calif., 1939

2 photographs, one showing a sign advertising a "free guide map [to the] San Francisco Exposition," and the other with a service-station attendant handing an open map to the driver of an automobile, Los Angeles, California, 1939 March 27. "Subject: Operator & customer at car - "'A' board sign at Signal Oil station at Wilshire & McCadden Place." "Client: Signal Oil Co[mpany], Mr. Barrager; operator's report - name: Jack; in city; Amount: 6.50" - on envelope.