Empire of the air :  the men who made radio / 
 Men who made radio 
producers, Ken Burns, Morgan Wesson, Tom Lewis ; writer, Geoffrey C. Ward ; directed by Ken Burns. 
 - 1 videodisc (120 minutes) :  sound, color with black and white sequences ;  4 3/4 in. 
 - Ken Burns' America .
 - Ken Burns' America. .
<br/><br/> Based on the book by Tom Lewis. 
<br/><br/>Narrator, Jason Robards. 
<br/><br/> Biographical history of the three men responsible for developing radio as a broadcast medium: Lee de Forest, Edwin Howard Armstrong, and David Sarnoff. 
<br/><br/><br/>DVD. 
<br/><br/><br/>For private home use only. 
<br/><br/><br/>Closed-captioned. 
<br/><br/><label>ISBN: </label>141570239X 
<br/><br/><label>Standard No.: </label>097368857445 
<br/><br/><label>Publisher. No.: </label>885744  Paramount 
<br/><br/><label>LCCN: </label>be2004110014 
<br/><br/><label>Subjects--Personal Names: </label><br/>De Forest, Lee, 1873-1961. <br/>Armstrong, Edwin H. 1890-1954. <br/>Sarnoff, David, 1981-1971. <br/>Lewis, Tom, 1942- --Film and video adaptations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--History--United States.<br/>Video recordings for hard of hearing people
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Based on the book.<br/>Documentary films.
<br/><br/><label>LC Class. No.: </label>PN1991.4.A2  / .E47 2004 
<br/><br/><label>Dewey Class. No.: </label>384.54/09