OSBM Flush Bracket S0454 - Llanwnnen Post Office
Introduction
The photograph on this page of OSBM Flush Bracket S0454 - Llanwnnen Post Office by N Scott as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
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Image: © N Scott Taken: 20 May 2012
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD). Height (1972): 127.8230m OD (Newlyn). Mark verified by the Ordnance Survey in 1973. Description: FL BR S0454 WALL PO LLANWNNEN E FACE. 0.4m above ground. 2nd Order BM. The Post Office closed in 2011. The bracket was used on the Lampeter to Carmarthen secondary line of the Second Geodetic Levelling of England & Wales in 1942. It was levelled with a height of 419.427' above OD (Newlyn). Description: Flush Bracket on wall, 6' N. of building, W. side of road. Abstract A 491: http://discovery.nationalarchives.gov.uk/details/r/C11178833 [OS 54/154] It was levelled at 419.425' in the 1930s. Abstract A 284: http://discovery.nationalarchives.gov.uk/details/r/C11178737 [OS 54/58]
Image Location
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