Let's discover the world of machines.
Series: Let's discover ;; 11
Publisher: Raintree Publishers; Brand: Raintree Publishers
Published: 1981
Place of publication: Milwaukee
Language: eng
Number of pages: 79
Subjects: Machinery -- Juvenile literature.; Machinery.
Other titles: World of machines.
Description: A reference book dealing with simple machines, machines in the home, transportation and power machines, and large machinery found on the farm, in construction, and in factories.
Notes: Bibliography: p. 69-70.
Includes index.