Glover, David, 1953 Sept. 4-

Screws / David Glover. - Crystal Lake, IL : Rigby Interactive Library, c1997. - 24 p. : col. ill. ; 28 cm. - Simple machines . - Glover, David, 1953 Sept. 4- Simple machines. .

Includes bibliographical references (p. 24) and index.

Introduces the principles of screws as simple machines, using examples from everyday life.

ISBN: 157572085X (lib. bdg.)

LCCN: 96015800 /AC

Subjects--Topical Terms:
Screws.

LC Class. No.: TJ1338 / .G48 1997

Dewey Class. No.: 621.8/82