Clarke, Donald (edr) <br/><br/>
The New Illustrated Science and Invention Encyclopedia (How It Works)  marine propulsion - mortar 

 - Westport  H.S. Stuttman Inc. Publishers  1987 
 - 1668 
<br/><br/><label>ISBN: </label>087475450x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - Dictionaries, Engineering - Dictionaries,
<br/><br/><label>Dewey Class. No.: </label>503  / NEW