ND2763 : Hillhead Farm triangulation pillar

taken 11 years ago, near to Lyth, Highland, Great Britain

Hillhead Farm triangulation pillar
Hillhead Farm triangulation pillar
This pillar was built as part of the Ordnance Survey's measurement of the 'Caithness Base' in 1952 - a dead straight line 15 miles long, created in order to relate measurements extrapolated from base lines in England during the Retriangulation of Great Britain (the exercise in which the now familiar National Grid was created). The pillar was placed half way along the line, in case the ground proved too boggy to measure all the way from Spital Hill ND1655 to Warth Hill ND3769, but fortunately it was a dry summer and the exercise was completed successfully.
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ND2763, 4 images   (more nearby )
Photographer
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Date Taken
Tuesday, 19 September, 2006   (more nearby)
Submitted
Monday, 28 June, 2010
Category
Triangulation Pillar   (more nearby)
Subject Location
OSGB36: geotagged! ND 278 633 [100m precision]
WGS84: 58:33.1051N 3:14.5396W
Camera Location
OSGB36: geotagged! ND 278 633
View Direction
WEST (about 270 degrees)
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Image classification(about): Geograph (Second Visitor for ND2763)
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