Ordnance Survey maps showing tramways, railways and generating stations in London:

1. Ordnance survey map of London, No. 271, showing the Royal Observatory and the surrounding area, 1894.

2. Ordnance survey map of South East London, No. 11 SE, 1894-1896 edition.

3. Large scale ordnance survey map of the Royal Observatory and the surrounding area, 1900.

4. Ordnance survey map of London marked to show the nearest points of the rail systems to the Royal Observatory, 1894-1896 revised edition.

5. Map of the existing lines of London United Tramways Ltd and the proposed extensions, 1900.

6. Ordnance survey map of South London, No. 270, 1906.

7. Ordnance survey map of London, No. 8 SE, 1894-1896 edition, marked in 1906 to show the proposed sites of generating stations.

8. Ordnance survey map of London, No. 12 NE, 1894-1896 edition.

9. Ordnance survey map showing parts of Kent, No. 23 (including sheets 1, 2, 7 and 8), marked to show the route of the authorised Bexley Heath Railway, 1888.

10. Ordnance survey map of London, Nos 256 and 270, with parts of 257 and 277, marked to show the site of the Deptford Generating Station and its area of supply, 1906.

11. Ordnance survey map of London and part of Middlesex, Nos 11 NE and 22 NE, 1894-1896 edition.

12. Ordnance survey map of London and part of Middlesex, Nos 11 NW and 22 NW, 1894-1896 edition.

13. Ordnance survey map of London and part of Middlesex, Nos 12 NW and 23 NW, 1894-1896 edition.

14. Ordnance survey map of London and part of Middlesex, No. 277, 1908, marked to show the site of a new generating station.

15. Ordnance survey map of Dartford, No. 277, 1909, showing the Royal Observatory and all stations within a three mile radius.

16. Ordnance survey map of London and part of Middlesex, Nos 7 SW and 18 SW, 1894-1896 edition, showing the tramlines.

17. Ordnance survey map of Kent, No. 2 SW, 1898.

18. Ordnance survey map of London, No. 8 SE, 1894-1896 edition.

19. Ordnance survey map of London, No. 12 SW, 1894-1896 edition.

20. Ordnance survey map of London and part of Middlesex, Nos 8 NW and 18 NW, 1894-1896 edition, marked to show eleven tram routes.

21. Ordnance survey map of London, No. 8 NE, 1894-1896 edition.

22. Ordnance survey map of Kent, No. 8 NW, 1898 revised edition.

23. Ordnance survey map of Romford, No. 257, 1906, marked to show the London Outer Circular Railway 'as per Bill 1906'.

24. Ordnance survey map of South East London and part of Middlesex, Nos 7 SE and 17 SE, 1894-1896 edition.

25. Ordnance survey map of London and parts of Middlesex, Nos 270 and 271, 1908, marked to show the Royal Observatory, as well as the new tramlines within its 5 mile and 3 mile limits resulting from the Metropolitan Electrical Tramways Bill and the London County Council Tramways and Improvements Bill of 1908.

26. Undated, large scale map showing the existing and proposed tramways of London, c. 1903.