Atkinson, J. <br/><br/>
Telephony :  a detailed exposition of the telephone exchange system of the British Post Office / 
J. Atkinson ; T. E. Herbert ; W. S. Procter 
 - London :  Pitman,  1950 [Reprinted 1972]. 
 - V. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/>V-1.-- General principles and manual exchange systems; V-2.-- Automatic exchange systems. 
<br/><br/><label>ISBN: </label>0273431811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone stations.
<br/><br/><label>Dewey Class. No.: </label>621.385  / ATT 1972