Hoyle, Bertram <br/><br/>
Standard tables and equations in radio-telegraphy/ 
Bertram Hoyle 
 - London:  Wireless Press,  1919 
 - xiv, 159 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio<br/>Telegraphy, Wireless<br/>Radio--Antennas<br/>Radio broadcasting
<br/><br/><label>Dewey Class. No.: </label>621.384