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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)
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Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
East Sussex
Lewes
Meridian Road
Distance (S) from Greenwich
OS map detailsOS Explorer: 122
OS grid refTQ 40687.10805
(540687,110805)
WGS84 lat/long50.879621, -0.001561
TypeRoad name
Marking datec. 1938
AccessUnrestricted