Dalton, Walter Malcolm. <br/><br/>
The story of radio / 
W. M. Dalton. 
 - London :  Hilger,  1975. 
 - v. :  ill. 
<br/><br/> Includes indexes. 
<br/><br/>pt. 1. How radio began.--pt. 2. Everyone an amateur. 
<br/><br/><label>ISBN: </label>085274241X (v. 1)  0852743076 (v. 2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--History.