Holbeach, Lincolnshire
Mathematical Gazetteer of the British Isles
In Holbeach in the Lincolnshire fens, on the road to Spalding, is a millstone marking the Prime Meridian.
See THIS LINK
See THIS LINK
The Mathematical Gazetteer of the British Isles was created by David Singmaster.
The original site is at THIS LINK.
The original site is at THIS LINK.