Glover, David, 1953 Sept. 4-
Pulleys and gears / David Glover. - Crystal Lake, IL. : Rigby Interactive Library, c1997. - 24 p. : col. ill. ; 27 cm. - Simple machines . - Glover, David, 1953 Sept. 4- Simple machines. .
Includes bibliographical references (p. 24) and index.
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
3.5 K-3 Follett Library Resources
1575720841
96015815 /AC
Simple machines--Juvenile literature.
Pulleys--Juvenile literature.
Gearing--Juvenile literature.
Pulleys.
Gearing.
TJ147 / .G57 1997
621.8/11
Pulleys and gears / David Glover. - Crystal Lake, IL. : Rigby Interactive Library, c1997. - 24 p. : col. ill. ; 27 cm. - Simple machines . - Glover, David, 1953 Sept. 4- Simple machines. .
Includes bibliographical references (p. 24) and index.
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
3.5 K-3 Follett Library Resources
1575720841
96015815 /AC
Simple machines--Juvenile literature.
Pulleys--Juvenile literature.
Gearing--Juvenile literature.
Pulleys.
Gearing.
TJ147 / .G57 1997
621.8/11