What Do Pulleys and Gears Do? (What do... do?)

Type

Book

Authors

David Glover

ISBN 10

0431062730

ISBN 13

9780431062730

Tags

Mechanical, Reference, Schools & Teaching

Description

Looking at pulleys and gears, this is one of of a series which aims to develop children's knowledge of the basic principles of design and technology. Each book introduces a particular principle and explores how it is used in different gadgets and machines. - from Amzon

Number of Copies