2015
SN4120 : Ordnance Survey Benchmark - Carmarthen, 1 Priory St
taken 9 years ago, near to Carmarthen/Caerfyrddin, Carmarthenshire/Sir Gaerfyrddin, Wales
This is 1 of 2 images, with title Ordnance Survey Benchmark - Carmarthen, 1 Priory St. in this square
Ordnance Survey Benchmark - Carmarthen, 1 Priory St.
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD).
Height: 23.7700m OD (Newlyn). Mark verified by the Ordnance Survey in 1972. Description: BLDG NO1 PRIORY ST NW FACE W ANG. 0.5m above ground. 3rd Order BM.
The wall has been incorporated into an extension to No.1 Priory St.
The mark was included as a side level from Carmarthen FBM on the Carmarthen to Llandovery line of the Second Geodetic Levelling of England & Wales in 1913-1914. It was used on the Carmarthen to Abergavenny branch line (Carmarthen, Llanelly, Neath, Merthyr Tydfil & Abergavenny). It was levelled with a height of 77.999' above OD (Newlyn). Description: Old B.M. on wall, junction of St. Peter Street and Priory Street. Page 49 of the abstract: Link
(Archive Link )
Close-up: SN4120 : Ordnance Survey Benchmark - Carmarthen, 1 Priory St.
Height: 23.7700m OD (Newlyn). Mark verified by the Ordnance Survey in 1972. Description: BLDG NO1 PRIORY ST NW FACE W ANG. 0.5m above ground. 3rd Order BM.
The wall has been incorporated into an extension to No.1 Priory St.
The mark was included as a side level from Carmarthen FBM on the Carmarthen to Llandovery line of the Second Geodetic Levelling of England & Wales in 1913-1914. It was used on the Carmarthen to Abergavenny branch line (Carmarthen, Llanelly, Neath, Merthyr Tydfil & Abergavenny). It was levelled with a height of 77.999' above OD (Newlyn). Description: Old B.M. on wall, junction of St. Peter Street and Priory Street. Page 49 of the abstract: Link
(Archive Link ) Close-up: SN4120 : Ordnance Survey Benchmark - Carmarthen, 1 Priory St.
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- Grid Square
- SN4120, 461 images (more nearby 🔍)
- Photographer
- N Scott (more nearby)
- Date Taken
- Wednesday, 2 December, 2015 (more nearby)
- Submitted
- Sunday, 13 December, 2015
- Subject Location
-
OSGB36:
SN 4157 2024 [10m precision]
WGS84: 51:51.4917N 4:18.1198W - Camera Location
-
OSGB36: SN 4157 2024
- View Direction
- EAST (about 90 degrees)
