Gear up! : marvelous machine projects
Title:
Gear up! : marvelous machine projects
Personal Author EPSB:
Summary:
Introduces the workings of various kinds of simple machinery with moving parts, such as pulleys, levers, gears, cams, and conveyor belts and provides instructions for building these machines out of cardboard and other easily obtainable materials.
Year Published:
1999
Series:
Physical Description:
30 p. : col. ill. ; 28 cm.
Edition:
U.S. ed.
Note:
Includes index
Subject:
ISBN:
9780822535669
9780822599258
Publisher:
Minneapolis : Lerner, 1999.
