The Story of Lubricating Oil
1949 · Animation · 0h 22m ·
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.
1949 · Animation · 0h 22m ·
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.