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Dahl, Michael.

Pulleys / by Michael S. Dahl. - Mankato, MN : Bridgestone Books, c1996. - 24 p. : col. ill. ; 22 cm. - Early reader science. Simple machines .

Includes bibliographical references (p. 24) and index.

Describes many different kinds, uses, and benefits of pulleys.

1560654457

96027769 /AC/r97


Pulleys--Juvenile literature.
Pulleys.

TJ147 / .D324 1996

621.8/11