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Dahl, Michael.

Levers / by Michael S. Dahl. - Mankato, Minn. : Bridgestone Books, c1996. - 24 p. : col. ill. ; 22 cm. - Early reader science .

Includes bibliographical references (p. 24) and index.

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

1560654449

96027770 /AC


Levers--Juvenile literature.
Levers.

TJ147 / .D323 1996

621.8/11