Opening the shelf…
Book dossier
by Mark Weakland, Paco Sordo
"Popular cartoon character Fred Flintstone explains how pulleys work and how he uses simple machines in his daily life"--
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
Get to know pulleys
Karen Volpe
