GB 2856 (NEW)LT000463
                      
                                     · 
                        
              Serie            
                      
                                                                 · 
                            
                1923-1933              
                                    
                  
              This series contains correspondence and memoranda concerning proposed extensions of the Underground, maintenance of the railway, failures and delays, the provision of trains and working expenses. Includes a map showing the existing railway and proposed extensions.
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