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An introduction to the various kinds of ramps, including hills, wedges, and screws, and how they help lift and lower things.
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Subjects
Inclined planes, Juvenile literatureEdition | Availability |
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Book Details
Edition Notes
Published under the author's earlier name: Bernice Kohn.
Classifications
The Physical Object
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Feedback?October 4, 2020 | Edited by MARC Bot | import existing book |
December 5, 2010 | Edited by Open Library Bot | Added subjects from MARC records. |
December 10, 2009 | Created by WorkBot | add works page |