Joe Nikrent testing oils for the Pennzoil laboratories, Southern California, 1934

4 photographs of Joe Nikrent testing oil on car, Southern California, 1934. "Subject: Joe Nikrent testing oils for the Pennzoil laboratories

193410204DW19341220102DW1934122010204AutomobilesLubricating oilsMenPennzoil Co.TritonNikrent JoeMillerDean