Cohen, Bertram S. <br/><br/>
A Handbook of Telecommunication Telephony and Telegraphy Over Wires  

 - London :   Pitman Press,   1946 
 - XIV, 437 p.  : ill 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication Handbooks Manuals
<br/><br/><label>Dewey Class. No.: </label>621.3802  / COH