Projects with machines /
Williams, John.
Projects with machines / by John Williams ; illustrated by Malcolm S. Walker. - North American ed. - Milwaukee : Gareth Stevens Children's Books, 1992. - 32 p. : col. ill. ; 27 cm. - Simple science projects . - Williams, John. Simple science projects. .
Originally published as: Machines. Great Britain : Wayland, c1991.
Includes bibliographical references (p. 29) and index.
Provides instructions for making and using a variety of machines, including levers, diggers, cranes, and pulleys.
0836807693
91050547 /AC
TJ147 / .W52 1992
621.8/078
Projects with machines / by John Williams ; illustrated by Malcolm S. Walker. - North American ed. - Milwaukee : Gareth Stevens Children's Books, 1992. - 32 p. : col. ill. ; 27 cm. - Simple science projects . - Williams, John. Simple science projects. .
Originally published as: Machines. Great Britain : Wayland, c1991.
Includes bibliographical references (p. 29) and index.
Provides instructions for making and using a variety of machines, including levers, diggers, cranes, and pulleys.
0836807693
91050547 /AC
TJ147 / .W52 1992
621.8/078