TY  - BOOK
AU  - Dahl,Michael
AU  - Shea,Denise
TI  - Pull, lift, and lower: a book about pulleys 
T2  - Amazing science
SN  - 1404813055 (hard cover)
AV  - TJ147 .D3235 2006
U1  - 621.8/11 22
PY  - 2006///
CY  - Minneapolis, Minn.
PB  - Picture Window Books
KW  - Pulleys
KW  - Juvenile literature
N1  - Includes bibliographical references (p. 24) and index; Pulley is a machine -- Window blinds -- Flagpoles -- Block and tackle -- Moving heavy sails -- Elevators -- First-class pulley -- Message on a pulley -- Fun facts -- Glossary -- Learn more -- Index
N2  - Discusses what a pulley is and how it works
ER  -