How Levers Help Us
N/AReleasedDocumentary

How Levers Help Us

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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Overview

Release Date
Jan 1, 1970
Original Title
How Levers Help Us
Runtime
11 minutes
Budget
$0
Revenue
$0
Language
en
Production Companies
Coronet Films
Production Countries
United States of America