Telephony : a detailed exposition of the telephone exchange systems of the British Post Office /
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                  | Main Author: | |
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| Other Authors: | , | 
| Format: | Book | 
| Language: | English | 
| Published: | 
      London :
        
      Pitman,    
    
      1948-50.
     | 
| Edition: | New ed. / | 
| Subjects: | 
CARM 1 Store
| Call Number: | 
                        A2:AB20E0 C01682                 | 
  
|---|---|
| Copy 1 | Available Place a Hold | 
| Copy 2 | Available Place a Hold |