The wheel /
Armentrout, Patricia,
The wheel / Patricia Armentrout. - Vero Beach, Fla. : Rourke Press, c1997. - 24 p. : col. ill. ; - Simple devices .
Includes index.
Text and pictures introduce the wheel, a simple machine used primarily to make it easy to move heavy loads.
1571031804
Wheels
Wheels.
621.8
The wheel / Patricia Armentrout. - Vero Beach, Fla. : Rourke Press, c1997. - 24 p. : col. ill. ; - Simple devices .
Includes index.
Text and pictures introduce the wheel, a simple machine used primarily to make it easy to move heavy loads.
1571031804
Wheels
Wheels.
621.8