Jolley, E. H. <br/><br/>
Introduction to telephony & telegraphy 
E. H. Jolley 
 -  c.1968 
<br/><br/><label>ISBN: </label>0273317229 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tlephony & telegraphy--MS-COM
<br/><br/><label>Dewey Class. No.: </label>621.381512 JOL