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Pulley
David Armentrout, Patricia Armentrout, uncredited, Rourke Publishing LLC
Audible Audiobook (Rourke Publishing LLC, May 13, 2009)Examines pulleys, explains their functions, and suggests simple experiments to explore their uses.
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The Pulley
Patricia Armentrout
Library Binding (Rourke Pub Group, July 1, 1997)Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects
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Pulling Up: The Pulley
Gerry Bailey, Mike Spoor
Paperback (Crabtree Pub Co, Feb. 28, 2014)RobbO and RobbEE explore the benefits and uses of the pulley and use it to lift a heavy load.
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Pulling Up: The Pulley
Gerry Bailey, Mike Spoor
Library Binding (Crabtree Pub Co, Feb. 28, 2014)RobbO and RobbEE explore the benefits and uses of the pulley and use it to lift a heavy load.
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