Aitken, Hugh G. J.  <br/><br/>
Syntony and spark :  the origins of radio / 
Hugh G.J. Aitken. 
 - New York :  Wiley,  1976. 
 - 347 p.  ill. ;  23cm. 
 - Science, culture and society .
<br/><br/> A Wiley interscience publication. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471018163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--History.