How Levers Help Us

How Levers Help Us

How Levers Help Us (1970) is a factual documentary picture running 11m. Coronet Films produced. Find How Levers Help Us online free on MyFlixer.
Plot 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.
Released: 1970-01-01
Duration: 11 min
Production: Coronet Films

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How Levers Help Us movie free online

How Levers Help Us free online