How Levers Help Us (1970)
TMDb
0.0
01/01/1970 • 0h 11m
original-title
How Levers Help Us
status
Released
production-companies
Coronet Films
original-language
English
budget
-
revenue
-
This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
production-countries
United States of America
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