2012
SN5847 : OSBM Flush Bracket G3328 - Cwmann, Post-gwyn
taken 13 years ago, near to Cwmann, Carmarthenshire/Sir Gaerfyrddin, Wales
This is 1 of 2 images, with title OSBM Flush Bracket G3328 - Cwmann, Post-gwyn in this square
OSBM Flush Bracket G3328 - Cwmann, Post-gwyn
Ordnance Survey Benchmark (OSBM) used for levelling height above Ordnance Datum (OD).
Height (1955): 139.2951m OD (Newlyn). Mark verified by the Ordnance Survey in 1972. Description: FL BR G3328 BLDG POST GWYN SW SIDE RD NW FACE. 0.5m above ground. 1st Order BM.
The bracket was used on the Lampeter to Llandovery line (G098) of the Third Geodetic Levelling of England & Wales in 1955. Description: NW face of outbuilding at Postgwyn, SW side of road. Abstract G 65: Link
[OS 54/754]
Context: SN5847 : OSBM Flush Bracket G3328 - Cwmann, Post-gwyn
Height (1955): 139.2951m OD (Newlyn). Mark verified by the Ordnance Survey in 1972. Description: FL BR G3328 BLDG POST GWYN SW SIDE RD NW FACE. 0.5m above ground. 1st Order BM.
The bracket was used on the Lampeter to Llandovery line (G098) of the Third Geodetic Levelling of England & Wales in 1955. Description: NW face of outbuilding at Postgwyn, SW side of road. Abstract G 65: Link
Context: SN5847 : OSBM Flush Bracket G3328 - Cwmann, Post-gwyn
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- Grid Square
- SN5847, 98 images (more nearby 🔍)
- Photographer
- N Scott (more nearby)
- Date Taken
- Monday, 21 May, 2012 (more nearby)
- Submitted
- Thursday, 24 May, 2012
- Subject Location
-
OSGB36:
SN 5862 4704 [10m precision]
WGS84: 52:6.2144N 4:3.9388W - Camera Location
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OSGB36:
- View Direction
- Southeast (about 135 degrees)