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.
Status
Release Date
August 19, 1949
Runtime
0h 22m
Rating
(0 votes)
Genres
Production Companies
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.
