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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
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Telescopes used with Meridian Marks
 
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LocationEngland
LB Waltham Forest
Walthamstow (E17)
Wood Street (adjacent No.209 - right side)
Distance (N) from Greenwich
OS map detailsOS Explorer: 174
OS grid refTQ 38557.89262
(538557,189262)
WGS84 lat/long51.585187, -0.001500
TypePavement (slab)
Marking date1963
AccessUnrestricted