OSBM Flush Bracket G3305 - Coed Bont-sych, Bridge
Introduction
The photograph on this page of OSBM Flush Bracket G3305 - Coed Bont-sych, Bridge by N Scott as part of the Geograph project.
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Image: © N Scott Taken: 14 Jul 2015
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD). Height (1955): 33.3327m OD (Newlyn). Mark verified by the Ordnance Survey in 1977. Description: FL BR G3305 PARA BR NE SIDE RD NE FACE 1.2M SE C STR. 0.4m above ground. 1st Order BM. The bracket was used on the Aberystwyth to Lampeter line (G092) of the Third Geodetic Levelling of England & Wales in 1955. Description: NE parapet of bridge, 4' SE from centre of stream. Abstract G 65: http://discovery.nationalarchives.gov.uk/SearchUI/details?Uri=C11264473 [OS 54/754] Close-up: Image
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