Ordnance Survey Maps - 25 inch England and Wales, 1841-1952
The most detailed topographic mapping covering most parts of England and Wales from the 1840s to the 1950s.
Browse the maps:
- As individual sheets using a zoomable map of England and Wales
- As a seamless zoomable overlay layer (1890s-1920s) on modern satellite images and OS maps
- As a seamless zoomable layer (1890s-1920s) side-by-side with modern satellite images and OS maps
- By map sheet number (eg. Anglesey XVII.9) – county text lists
See also:
- Guide to abbreviations – alphabetical list of standard OS abbreviations
- Specimens of the stamps used for trees and vegetation (1886)
- Conventional signs and writing – OS Symbols and Lettering (ca. 1923)
- List of counties, with their dates of survey, publication, and changes of meridian.
- Further information: