LONDON UNDERGROUND tube map plan. South Acton. Aylesbury. Ongar. HARRY BECK 1956

Title of map:'London Transport - Diagram of lines - 1956 [656/1427D/300,000]'. London Transport - Diagram of lines - 1956 [656/1427D/300,000]. The image below shows an enlarged cross section from the centre of the map to show the level of printed detail.

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