Marchant, E W. <br/><br/>
Radio telegraphy and telephony / 

 - London :  Hodder and Stoughton,  1923. 
 - ix, 137 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio telephony<br/>Wireless communication<br/>Radio modulation techniques
<br/><br/><label>Dewey Class. No.: </label>621.384  / MAR