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Flush Bracket OSBM 1090: Llwyfen   

Flush Bracket on W. face of barn at Llwyfan [1GL] - approximate location; FB reported as "not found"; presumably replaced by FB G2974.

Location
Grid reference: SO 1572 2128.
Landranger 161: Abergavenny & The Black Mountains.
Explorer OL13: Brecon Beacons National Park East.
Structure: Farm building.
Waypoint: FB1090.

Neighbouring Flush Brackets
G2974 Llwyfen 0.00m to the east.
1091 Bwlch 948.68m to the northwest.
1089 Half Way Inn 1.34km to the east.
1092 Bwlch 1.66km to the northwest.
1088 Heol-draw 2.82km to the east.
The nearest fundamental bench mark is Brecon, 13.13km to the northwest.

Second Geodetic Levelling, England & Wales (1912-21)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 428.7200 feet [130.6739 metres] above mean sea level (Newlyn datum). It was included on the Abergavenny to Brecon levelling line. The surveyor's description was Flush Bracket on W. face of barn at Llwyfan.


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