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Book dossier
by Great Britain. Home Office
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How It Works
Angela Royston
Pulleys
Sally M. Walker
How do you lift a lion?
Wells, Robert E.
Pulleys (Useful Machines)
Chris Oxlade
Making Machines with Pulleys
Sian Smith
How Can I Experiment With...?
David Armentrout
Fred Flintstone's adventures with pulleys
Mark Weakland
Get to know pulleys
Karen Volpe