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.

ISBN: 1571031812

LCCN: 97015158 /AC

Subjects--Topical Terms:
Wedges
Wedges.

LC Class. No.: TJ1201.W44 / A76 1997

Dewey Class. No.: 621.8/11