LONDON UNDERGROUND tube map plan. South Acton. Aylesbury. Ongar. HARRY BECK 1958

Title of map:'London Transport - Diagram of lines - 1958 [858/1783M/500,000 (R) or 158/51M/250,000]'. London Transport - Diagram of lines - 1958 [858/1783M/500,000 (R) or 158/51M/250,000]. 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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