Lifting by levers /
Dunn, Andrew.
Lifting by levers / Andrew Dunn. - England : wayland, 1991. - 32 p. : ill. ; 26 cm.
Includes bibliographical references and index.
Describes simples machines which utilize the principle of levers to move heavy objects, cut material, and make mu
9780750202183
Levers --Juvenile literature.
Lifting and carrying |--Juvenile literature.
Levers.
Simple machines.
372.3 DUN
Lifting by levers / Andrew Dunn. - England : wayland, 1991. - 32 p. : ill. ; 26 cm.
Includes bibliographical references and index.
Describes simples machines which utilize the principle of levers to move heavy objects, cut material, and make mu
9780750202183
Levers --Juvenile literature.
Lifting and carrying |--Juvenile literature.
Levers.
Simple machines.
372.3 DUN