Photograph of service station and automobile on grease rack, Los Angeles, CA, 1931. "Specialists" -- on building. "Pennzoil, Try our new 'One stop' lubrication, elimnates 'greasing' between drains, saves you time, money, repairs, latest equipment, specialized, knowledge, correct, lubricants; Your Purolator, looks like this afternoon [ilg], have it replaced here- NOW; Right greasing-right here, Pennzoil greases, Safe lubrications pays- all ways" -- on signs. "1R3706 CAL 31; 8V1185 CAL 31; 6X3303 CAL 31; 1W6775 CAL 31" -- on license plates. "Calmos Hollywood, Seiberling Tires" -- on tire.