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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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Telescopes used with Meridian Marks
 
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LocationEngland
Cambridgeshire
Somersham
High Street
Distance (N) from Greenwich
OS map detailsOS Explorer: 225
OS grid refTL 36085.77925
(536085,277925)
WGS84 lat/long52.382457, -0.002013
TypeWeather vane
Marking dateUnknown
AccessUnrestricted