Herbert, Thomas Ernest, <br/><br/>
Telephony :  a detailed exposition of the telephone system of the British post office / 
T. E. Herbert...and W. S. Procter 
 - 2nd ed 
 - Sir I. Pitman & sons, ltd  London  1932 
 - xxi,1212 ,[21] p  illus  fold. pl  diagrs  22 cm 
<br/><br/>Primary Cells (Page-1),The Magnetization of Iron (Page-29), The Induction of E.M.P and the Generation of Alternating (Page-56), Capacitance and Condensers (Page-86), Electronic Measuring Apparatus and its use (Page-100), The Nature and Propagation of Sound (Page-188), The Fundamentals Principle of Speech Transmission (Page-207), Transmitters and Receivers (Page-221), The Principle of Telephone Exchange Switching (Page-254), Subscribers Stations Apparatus (Page-270), Telephone Exchange Apparatus (Page-341), The Magneto Systems (Page-407), General Battery Signaling (C.B.S) Systems (Page-488), General Battery Signaling (C.B)Systems (Page-546), Toll Working (Page-630), Trunk Exchanges (Page-647), Power Plant  (Page-693), Protection and Cabling (Page-743), Transmission and Circuit Utilization (Page-793), Telephone Repeaters (Page-864), Maintenance and Fault Testing (Page-900), Miscellaneous Circuits (Page-981), The Economies of Plant Provision (Page-1006), The Constructions of Underground Routes (Page-1027), Aerial Lines  (Page-1100). 
<br/><br/><label>LCCN: </label>33011118 
<br/><br/><label>Subjects--Personal Names: </label><br/>Herbert, Thomas Ernest,
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephony; a detailed exposition of the telephone system of the British post office,
<br/><br/><label>Dewey Class. No.: </label>621.385,HER