Simple machines
By: by Rae Bains ; illustrated by Joseph Veno.
Contributors: Veno, Joseph, ill.
Publisher: Troll Associates
Published: 1985
Place of publication: Mahwah, N.J
Language: eng
Number of pages: 30
Subjects: Simple machines -- Juvenile literature.; Simple machines.; Machinery.
Description: 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.