Simple machines
By: by Anne Horvatic ; photographs by Stephen Bruner.
Contributors: Bruner, Stephen, ill.
Edition: 1st ed.
Publisher: Dutton
Published: 1989
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Simple machines -- Juvenile literature.; Simple machines.; Machinery.
Description: Describes five simple machines--lever, wheel, inclined plane, screw, and wedge--and explains how they work.