The Story of Lubricating Oil
0
22 minutes
8/19/1949
Overview
This color educational film is about how lubricants are derived from crude petroleum and how to improve the quality of lubricating oil. This is a 1949 film.
0
22 minutes
8/19/1949
This color educational film is about how lubricants are derived from crude petroleum and how to improve the quality of lubricating oil. This is a 1949 film.
