McNicol, Donald Monroe,  1875- <br/><br/>
Radio's conquest of space 
Donald McNicol 
 - New York  Arno Press  1974 
 - x, 374 p illus 23 cm 
 - Telecommunications .
<br/><br/> Reprint of the ed. published by Murray Hill Books, New York, 1946 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0405060521 
<br/><br/><label>LCCN: </label>74-4689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--History