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Royal Observatory Greenwich
Latitude and Longitude
Airy Transit Circle (ATC)
WGS84 and the Greenwich Meridian
The Greenwich Meridian before the ATC
The Quest for Longitude
International Meridian Conference (1884)
Meridian Day (1984)
The Millennium
Millennium Tree Line (MTL)
Meridian Laser
Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
Surrey
Dormansland
W side of: Mill Lane
Distance (S) from Greenwich
OS map detailsOS Explorer: 146
OS grid refTQ 39835.41632
(539835,141632)
WGS84 lat/long51.156862, -0.001789
TypeMarker 'stone'
Marking date2000
AccessUnrestricted