Model lubrication department set up, Pennzoil, Southern California, 1931

4 photographs of model lubrication department set up, Pennzoil, Southern California, 1931. "Subject: model lubrication dep[artmen]t set up

193116802DW19311125168DW1931112516802Lubricating oilsMachineryAutomobiles Maintenance and repairService stationsPennzoilJoe