The simple facts of simple machines
Title:
The simple facts of simple machines
Author:
James, Elizabeth.
Personal Author:
Publication Information:
New York : Lothrop, Lee & Shepard, [1975]
Physical Description:
64 pages : illustrations ; 22 cm
Summary:
Describes the simple machines--lever, pulley, wedge, screw, inclined plane, and wheel and axle--and explains how they are utilized to make work easier.
General Note:
Includes index.
Language:
English
ISBN:
9780688416850
9780688516857
Format :
Book
