Old car smog test, 1958

Caption slip reads: "Photographer: Olmo. Date: 1958-03-14. Reporter: White. Assignment: Old car smog test. 39/40: Edgar Bergen seated in his 1911 White Steamer, looks on as APCD Chemical Engineer John Chipman (under car) and Research Chief Dr. Leslie A. Chambers check its smog output. (Car burns gasoline to make steam. Gasoline gives off smog-formers".

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