Hughes, Thomas Parke. <br/><br/>
American genesis : a century of invention and technological enthusiasm, 1870-1970 / by Thomas Parke Hughes. 

 - New York, N.Y. :  Penguin Books,  1989. 
 - xii, 529 p. : ill. ; 24 cm. 
<br/><br/> Includes bibliographical references (p. 473-513). 
<br/><br/><label>ISBN: </label>0140097414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--United States--History.