Pulleys in my world

Photographs and simple text describe various objects that are pulleys and how they work.

PowerKids Press
2006
9781404233089
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
125419749291632313203380301003HFLP268T 4025643629.8 Ran629.815814652241736518457
173491653425192432203380301003BPGT117BPGT015360621.8 RAN621.815825759371742569409
272219662151592378203380301003GAE184GAP0042457621.8 RAN621.816377825731736800991