Armentrout, Patricia,
The wedge /
Patricia Armentrout.
- Vero Beach, Fla. : Rourke Press, c1997.
- 24 p. : col. ill. ; 26 cm.
- Simple devices .
Includes index.
Text and pictures introduce the wedge, a simple machine placed between objects to split, tighten, or secure a hold.
1571031812
97015158 /AC
Wedges
Wedges.
TJ1201.W44 / A76 1997
621.8/11