The Story of Lubricating Oil
1949
N/R
Categories:
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.
N/R
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.
