Atkinson, J., <br/><br/>
Telephony :  a detailed exposition of the telephone exchange systems of the british post office / 
by J. Atkinson 
 - new ed. 
 - volúmenes :  ilustraciones 
<br/><br/> "A new edition of telephony hebert & procter" 
<br/><br/>Contenido: v.1. General principles and manual exchange systems -- v.2. Automatic exchange systems 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teléfono--Gran Bretaña<br/>Sistemas de telecomunicación--Gran Bretaña
<br/><br/><label>LC Class. No.: </label>TK6057  / A75 1948