How ramps help us
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Shows how different kinds of ramps--including those that are straight, curved, spiraled, steep, gentle, stationary, moving, or notched--can be used to help move things with less effort., Shows how different kinds of ramps--including those that are straight, curved, spiralled, steep, gentle, stationary, moving, or notched--can be used to helpmove things with less effort.
Credits
Copyright
Registered 2Nov70 · MP21359 (Jan-Jun 1971) Copyright holder: Coronet Instructional Films, a division of Esquire, Inc
Complete catalog record
, Shows how different kinds of ramps--including those that are straight, curved, spiralled, steep, gentle, stationary, moving, or notched--can be used to helpmove things with less effort.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
- Wikipedia — List of Coronet Films — title, year, creator, length, color, credits
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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