Simple Machines (Progress, Technology on the Move)
Books / Paperback
Books › Juvenile Nonfiction › General
ISBN: 0816701679 / Publisher: Troll Communications Llc, February 1986
Text and illustrations describe the six simple machines upon which all others are based; these inclu...
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Text and illustrations describe the six simple machines upon which all others are based; these include the pulley, the lever, the wheel, the inclined plane, the wedge, and the screw
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