Povey P J <br/><br/>
The telephone and the exchange / 
[by] P.J. Povey. 
 - Revised ed. 
 - London :  Pitman,  1979. 
 - [4], 124 p. :  ill. (some col.), facsim., col. map, 2 ports. ;  25 cm. 
<br/><br/> "A revised ed. of the book first published by the Post Office Telecommunications."  Includes index. 
<br/><br/><label>ISBN: </label>0273013556 (pbk.) : 
<br/><br/><label>LCCN: </label>81468074 
<br/><br/><label>Nat. Bib. No.: </label>GB80-04833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone<br/>Telephone--Great Britain
<br/><br/><label>LC Class. No.: </label>TK6165 
<br/><br/><label>Dewey Class. No.: </label>621.385