How Levers Help Us

1970
How Levers Help Us
5.5| 0h11m| en| More Info
Released: 01 January 1970 Released
Producted By: Coronet Instructional Films
Country: United States of America
Budget: 0
Revenue: 0
Official Website:
Synopsis

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.

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Coronet Instructional Films

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