A master of sound :  the exciting discoveries of lee de forest in radio,movies and tv. 

 - NEW YORK:   pyramid books,   1966.  
 - paperback  
<br/><br/> 128pp., 11x18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions<br/>LEE DE FOREST<br/>MOVIES<br/>Radio<br/>TV