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Royal Observatory Greenwich
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LocationEngland
Hertfordshire
Old Hall Green
St Edmund's College
Distance (N) from Greenwich
OS map detailsOS Explorer: 194
OS grid refTL 37655.22275
(537655,222275)
WGS84 lat/long51.882052, -0.001466
TypeObelisk/Pillar | School | Sundial
Marking date2000
AccessRestricted, but visible from public road