What is a pulley? / Douglas, Lloyd G

Author:

ISBN13: 
9780329322076
9780516240244
LCCN: 
2001047539
Compare Title: 
whatisapulley
Call Number: 
621.8

What is a pulley?

  • Douglas, Lloyd G
2002
Introduces pulleys and how they work to raise flags, as well as heavy objects.
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