Various gas installations and dealers, Los Angeles County, 1939

8 photographs and a list of machinery, mostly heavy machinery with people working, probably all in Los Angeles County, California, 1939 November 20. "Client: Pac[ific] Coast Gas Assoc[iation]; Agency: Gerth Knollin, 111 Sutter St[reet], San Francisco, Mr. Ferguson; air mail 72 [cents]" - on envelope. "Gerth-Knollin Adv[ertising] Agency (Pacific Coast Gas Association Photos) [a list of 15 places to be photographed, including "Appliance Dealers," "Industrial Plants," "Bakeries" and "Restaurants," only one of which has been identified here]" - on 2 sheets of 8-1/2x11 paper. Image no. 1, listed under "Industrial Plants," is attributed to Ohlsson & Rice Manufacturing Company at 3340 Emery Street - "H. T. Rice, Prop[rietor]," and is described as "a model engine," a close up in a man's hand.