PERKINS, W. T <br/><br/>
ELEMENTARY TELECOMMUNICATION EXAMINATION GUIDE COVERING THE CITY AND GUILDS OF LONDON INSTITUTE EXAMINATION IN ELEMENTARY TELECOMMUNICATION PRACTICE AND TELECOMMUNICATION PRINCIPLES 

 - LONDON  GEORGE  1958 
 - 320P 
<br/><br/><label>Dewey Class. No.: </label>621.382 PER'E