SG021 LT Electrification from Epping to Ongar 1957
Two London Transport circulars relating to the alterations needed (mainly signalling) as a result of electrification. It includes diagrammatic maps from Epping through North Weald and Blake Hall to Ongar.
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File | |
Also available on paper | M326 |
Pages | 17 |
File Size (MB) | 0.9 |