Levers
By: David and Patricia Armentrout.
Contributors: Armentrout, Patricia, 1960-; Armentrout, Patricia, 1960-
Series: Simple machines
Publisher: Rourke Pub.
Published: 2009
Place of publication: Vero Beach, FL
Language: eng
ISBN-13: 9781606943885
Subjects: Levers -- Juvenile literature
Genres: Juvenile literature.
Notes: Previous ed. by Patricia Armentrout under title: Lever.
Table of contents: title: Machines; title: Simple machines; title: Simple and complex; title: Lever basics; title: First class levers; title: Second class levers; title: Third class levers; title: Double levers; title: Find it, use it.