Pulleys
Oxlade, Chris2003
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Many simple machines are taken for granted. How would we manage without wheels, pulleys, ramps, wedges or screws? These are all types of machine. They make it easier to do something. This series explores a range of similar devices at a level suitable for children working at Key Stage One.
Main title:
Pulleys / Chris Oxlade.
Author:
Imprint:
Oxford : Heinemann Library, 2003.
Collation:
32 p. : col. ill. ; 23 cm.
Series title:
Notes:
Includes bibliographical references and index.
ISBN:
9780431178936 (hbk)
Dewey class:
621.85531
Language:
English
Subject:
BRN:
755119
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