Hart, Ivor Blashka,  1889-, <br/><br/>
James watt and the history of steam power. 

 - 159 páginas 
 - Collier books, men of science library ;  as75 .
<br/><br/><label>Subjects--Personal Names: </label><br/>Watt, James, 1736-1819 
<br/><br/><label>LC Class. No.: </label>TJ140.W3  / H37