Glover, David.
Wheels and cranks / [by] David Glover. - Crystal Lake, IL : Rigby Interactive Library, 1997. - 24 p. : col. ill. ; 27 cm. - Simple machines .
Includes bibliographical references and index.
Introduces the principles of wheels and cranks as simple machines, using examples from everyday life.
1575720817
96015814 /AC
Wheels--Juvenile literature.
Cranks and crankshafts--Juvenile literature.
Wheels.
Cranks and crankshafts.
Simple machines.
TJ181.5 / .G55 1997
621.8/11
Wheels and cranks / [by] David Glover. - Crystal Lake, IL : Rigby Interactive Library, 1997. - 24 p. : col. ill. ; 27 cm. - Simple machines .
Includes bibliographical references and index.
Introduces the principles of wheels and cranks as simple machines, using examples from everyday life.
1575720817
96015814 /AC
Wheels--Juvenile literature.
Cranks and crankshafts--Juvenile literature.
Wheels.
Cranks and crankshafts.
Simple machines.
TJ181.5 / .G55 1997
621.8/11