Berkeley, Gordon Spence <br/><br/>
Traffic and trunking principles in automatic telephony /  
G. S. Berkeley 
 - E. Benn limited  London,  1934 
 - xi, 341 p  incl  illus  tables  diagrs  22 cm 
<br/><br/>Traffic In Automatic Exchange (Page-13), Trunking Schemes (Page-24), Racks and Cabling (Page-70), Full Availability (Page-116), Grading (Page-141), Design Of An Automatic Exchange (Page-174), Junction Traffic (Page-208), Traffic Recording (Page-219), Other Systems (Page-237), Miscellaneous (Page-294).	  
<br/><br/><label>LCCN: </label>34030021 
<br/><br/><label>Subjects--Personal Names: </label><br/>Berkeley, Gordon Spence
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic and trunking principles in automatic telephony
<br/><br/><label>Dewey Class. No.: </label>621.385,BER