Atkinson, J <br/><br/>
Telephony V.2: Automatic exchange systems ( A detailed exposition of the telephone exchange& system of the British Post Office) 

 -  London : Sir Isaac Pitman,  1950 
 - xii+873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephony,V.2:,Automatic,exchange,systems
<br/><br/><label>Dewey Class. No.: </label>621.382  ATK.2;1 `R'