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Pulleys and gears
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Pulleys and gears
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32 Total copies, 31 Copies are in, 1 Copies are out.
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
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Authors
Glover, David, 1953 Sept. 4-
Subjects
Simple machines.
Pulleys.
Gearing.
Language
English
Series
Simple machines