Resource Type: still image / Subject: Electrostatic apparatus and appliances - UCLA Library Digital Collections Search Results

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Dr. George M. Uhl, city health officer demonstrating electrostatic precipitator, or "smog catcher" in Los Angeles, Calif., 1945

Description:: Los Angeles health officials began using this device to measure air pollution on September 13, 1945.
Date:: September 14, 1945
Resource Type:: still image
Collection:: Los Angeles Times Photographic Collection

Dr. George M. Uhl, city health officer demonstrating electrostatic precipitator, or "smog catcher" in Los Angeles, Calif., 1945