Collins, A. Frederick  <br/><br/>
The radio amateur's hand book 
A. Frederick Collins 
 - London  George G. Harrap & Co.  1923 
<br/><br/><label>ISBN: </label>559123027 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio
<br/><br/><label>Universal Decimal Class. No.: </label>621.396.6(021)  / COL