Cover image for Pulleys and gears
Pulleys and gears
Title:
Pulleys and gears
Personal Author EPSB:
Summary:
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
Year Published:
1997
Physical Description:
24 p. : col. illus. ; 27 cm.
Program Information:
Building Devices & Vehicles Gr. 4+

Science
ISBN:
9781403400574
Publisher:
Chicago, IL : Rigby Interactive Library, c1997.