Illustrated encyclopedia of science and nature/  machines and inventions I 

 - [Place of publication not identified]  Educational technologies limited  2004 
 - 78 pages;  illustrations  29 cm 
<br/><br/>Includes glossary 
<br/><br/>Inventions that changed history---industrial and scientific machines---medical marvels 
<br/><br/><label>ISBN: </label>9628851551 
<br/><br/><label>Dewey Class. No.: </label>621.8  / E1