Klein, Maury. <br/><br/>
Powers makers :  steam, electricity and the men who invented modern america / 
Maury Klein. 
 - xiii, 543 pages ;  24 cm. 
<br/><br/><label>ISBN: </label>9781596914124 1596914122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions--History--United States<br/>Inventors--Biography--United States