Simple machines and how we use them
By: [by] Tillie S. Pine [and] Joseph Levine. Illustrated by Bernice Myers.
Contributors: Levine, Joseph, 1910- joint author.; Myers, Bernice, illus.
Publisher: Whittlesey House
Published: 1965
Place of publication: New York
Language: eng
Number of pages: 48
Subjects: Simple machines -- Juvenile literature; Simple machines
Description: Simple activities introduce such machines as the lever, the inclined plane, the screw, the fixed pulley, the wheel and axle, and the wedge, and show how we use these tools to make our work easier.