Sproule, Anna. <br/><br/>
James Watt. 

 - Toronto     Irwin Publishing   
 - 64p. 
 - ( Scientists who have changed the world). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biography
<br/><br/><label>Dewey Class. No.: </label>926.211 SPR