World's Greatest Scientists-7 : James Watt 

 - Clombo :  M.D. Gunasena & Co. LTD ,  2008  
 - P.32 :  Art ,  C.M.26 
<br/><br/><label>ISBN: </label>978-955-21-1692-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Fiction
<br/><br/><label>Dewey Class. No.: </label>823  / Gun