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Book, 1983
Current format, Book, 1983, 1st ed, No Longer Available.
Book, 1983
Current format, Book, 1983, 1st ed, No Longer Available. Offered in 0 more formats
An introduction to six simple machines--the lever, the inclined plane, the screw, the wheel and axle, the wedge, and the pulley--and their use in more complex machines such as derricks, bulldozers, and metal lathes.
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