OSBM Flush Bracket S7099 - Tregaron County School
Introduction
The photograph on this page of OSBM Flush Bracket S7099 - Tregaron County School 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.
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Image: © N Scott Taken: 18 Mar 2015
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD). Height (1971): 171.3630m OD (Newlyn). Mark verified by the Ordnance Survey in 1971. Description: FL BR S7099 SCH SE SIDE RD W ANG NW FACE. 0.3m above ground. 2nd Order BM. The bracket was used on the Lampeter to Devil's Bridge secondary line of the Second Geodetic Levelling of England & Wales in 1952. It was levelled with a height of 526.326' above OD (Newlyn). Description: Flush Bracket on W face, SW angle of County School, E side of road. Abstract S 1: http://discovery.nationalarchives.gov.uk/details/r/C11225255 [OS 54/633] Close-up: Image