• Inventory number: 19071
  
• Language: en
  
• Type: b
  
• Call number: 621.3867
  
• Author number: b839
  
• Title: the telegraph pole
  
• Author: brent,w.h
  
• Place of publication and publisher: london:the instiution post office electrical engineers
  
• Publication date: 1934
  
• Pages: 30
  
• Notes: include figure
  
• Subject: applied physics-recording telephones
  

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