OSBM Flush Bracket S0641 - Carmarthen, St David's Church
Introduction
The photograph on this page of OSBM Flush Bracket S0641 - Carmarthen, St David's Church by N Scott as part of the Geograph project.
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OSBM Flush Bracket S0641 - Carmarthen, St David's Church
Image: © N Scott Taken: 8 Oct 2013
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD). Height (1954): 27.0278m OD (Newlyn). Mark verified by the Ordnance Survey in 1976. Description: FL BR S 0641 ABUT ST DAVID'S CH NW FACE. 0.5m above ground. 1st Order BM. The bracket was used on the Carmarthen to Haverford West line (G075) of the Third Geodetic Levelling of England & Wales in 1954. It was also included on the Haverford West, via Tenby to Carmarthen line (G163) in 1962. Description: NW angle of St David's Church, Carmarthen. Abstract G 64: http://discovery.nationalarchives.gov.uk/SearchUI/details?Uri=C11264472 [OS 54/753] The bracket was previously used on the Aberayron to Carmarthen secondary line of the Second Geodetic Levelling of England & Wales in 1953-1954. It was levelled with a height of 88.711' above OD (Newlyn). Abstract S 7: http://discovery.nationalarchives.gov.uk/details/r/C11225155 [OS 54/639] It was originally levelled at 88.640' above OD (Newlyn) on the Aberaeron to Carmarthen secondary line in 1927-1928. Description: N face, 40' from NW angle of St. David's Church, Lammas Street. Abstract A 471: http://discovery.nationalarchives.gov.uk/details/r/C11178815 [OS 54/136] Context: Image
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Image Location
Latitude
51.85673
Longitude
-4.317026