Jolley, E.H. <br/><br/>
Introduction to telephony and telegraphy 
E.H.Jolley 
 - Allahabad:  Wheeler Publishing,  1992. 
 -  x, 413p. 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>8185614369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone
<br/><br/><label>Dewey Class. No.: </label>621.385  / JOI