How levers help us
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Shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
Copyright
Registered 2Nov70 · MP21360 (Jan-Jun 1971) Copyright holder: Coronet Instructional Films, a division of Esquire, Inc
Complete catalog record
, Shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.NOTE: Two (or more) records have been merged together to create this data.
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, color, sound, genre, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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