by Armentrout, Patricia,
[ 01. English Non Fiction ] Series: Simple devices Published by : Rourke Press, (Vero Beach, Fla. :) Physical details: 24 p. : col. ill. ; 26 cm. Subject(s): Pulleys. Year : 1997
Item type :
01. English Non Fiction
| Location | Call Number | Status | Date Due |
|---|---|---|---|
| Parkdale Elementary School | 621.8 ARM | Available |
Includes index.
Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.