Ratcliffe, J.A. <br/><br/>
The Physical principles of wirless/ 
J.A. Ratcliffe 
 - 9th reprinted ed. 
 - London:  Methuen,  1958 
 - vii, 109 p.:  ill.;  16 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 8.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Antennas<br/>Radio--Transmitters and transmission<br/>Radio--Receivers and reception<br/>Telephone, wireless<br/>Radio waves
<br/><br/><label>Dewey Class. No.: </label>621.3841