Technical facts about motor oils
By: prepared by E.W. Hutton and T.F. Harms, Lubricants and Special Products Department, Union Oil Company of California.
Contributors: Harms, Theodore Frederick, 1905-; Union Oil Company of California.
Published: 1935
Place of publication: [Los Angeles
Language: eng
Number of pages: 66
Subjects: Petroleum -- Testing; Lubrication and lubricants
Other titles: Motor oils.