Blevins, Wiley, <br/><br/>
Let's find pulleys / 
by Wiley Blevins. 
 - 1 online resource. 
 - Let's find simple machines .
<br/><br/> Includes index.<br/>  Themes books, follett  
<br/><br/><label>ISBN: </label>9781977123046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulleys--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>621.8