Gray, Laurence. <br/><br/>
Radio transmitters / 
Laurence Gray and Richard Graham. 
 - New York :  McGraw-Hill,  1961. 
 - xi, 462 p. :  ill. ;  24cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transmitters and transmission.--Radio
<br/><br/><label>Dewey Class. No.: </label>621.384131  / GRR 1961