Glover, David, 1953 Sept. 4-

Pulleys and gears / David Glover. - Crystal Lake, IL : Rigby Interactive Library, c1997. - 24 p. : ill. (chiefly col.) ; 27 cm. - Simple machines . - Glover, David, 1953 Sept. 4- Simple machines. .

Includes bibliographical references (p. 24) and index.

Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.

ISBN: 1575720841 (lib. bdg.)

LCCN: 96015815 /AC

Subjects--Topical Terms:
Pulleys.
Gearing.

LC Class. No.: TJ147 / .G57 1997

Dewey Class. No.: 621.8/11