The illustrated science and invention encyclopedia. 

 - International ed. 
 - Westport, Conn. :  H.S. Stuttman,  1983. 
 - 24 v. :  ill. (some col.). 
<br/><br/> "Previously published in parts in the United Kingdom under the title: How it works."  Vol. 21 has subtitle: Historic inventions.  At head of title: How it works. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Dictionaries.<br/>Science--Dictionaries.<br/>Technology--Dictionaries, Juvenile.<br/>Science--Dictionaries, Juvenile.
<br/><br/><label>Dewey Class. No.: </label>603.21