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.
DirectorsManny Gould, Lou Lilly
1
Male
Acting
8.1
Movie
2021
7.0
2022
6.1
6.8
1949
6.6
2006
6.5
1934
6.9
7.6
2014
1940
2011
1939
