Pull, lift, and lower : a book about pulleys

Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and window blinds.

Bibliographic Details
Main Author: Dahl, Michael
Format: EAUDIO
Other Format: EBOOK
Language:ENGLISH
Published: Capstone Press 2013
Series:Amazing science (Picture Window Books (Firm))
Subjects: