Marshall, John,  1944- <br/><br/>
Working machines / 
John Marshall. 
 - Vero Beach, Fla. :  Rourke Book Co.,  1995. 
 - 24 p. :  col. ill. ;  26 cm. 
 - Energy and action .
<br/><br/> Includes index. 
<br/><br/> Accelerated Reader 
<br/><br/> Describes simple machines and how they work, including the inclined plane, levers, wheels and axles, the wedge, screws, and pulleys. 
<br/><br/> 4.4  2-5 
<br/><br/><label>ISBN: </label>1559161558  $18.60 
<br/><br/><label>LCCN: </label>95016003  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Juvenile literature.<br/>Machinery.<br/>Simple machines.<br/>Machinery<br/>Simple machines
<br/><br/><label>LC Class. No.: </label>TJ147  / .M32 1995 
<br/><br/><label>Dewey Class. No.: </label>621.8