Dempsey, Michael <br/><br/>
The illustrated encyclopedia of inventions. 

 - Westport, CT:  Stuttman Inc,  1990. 
 -  Ill.  Ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Science--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>500