Cut Mark: Southampton, Empress Dock, Tide Pole   

Old B.M. on coping stone of wall at entrance to Empress Dock above tide pole, near automatic tide gauge [2GL] - more or less at guess at the approxinate location.

Location
Grid reference: SU 4275 1003.
Landranger 196: The Solent & The Isle of Wight, Southampton & Portsmouth.
Structure: Roadside wall.
Waypoint: BM1865.

Neighbouring Bench Marks

BM	Southampton, Empress Dock, Tide Gauge 0.00m to the east.
BM	Southampton, Empress Dock, Engine House 31.62m to the south.
BM	Southampton, Mortuary 1.11km to the northwest.
BM	Southampton, French Street 1.30km to the northwest.
BOLT	Southampton, St. Michael's Church 1.51km to the northwest.

The nearest fundamental bench mark is Southampton (O.S.O.), 2.85km to the north.

Second Geodetic Levelling, England & Wales (1912-21)
This bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 11.6520 feet [3.5515 metres] above mean sea level (Newlyn datum). It was included as a side level on the Southampton to Tide Gauge, Empress Dock, Southampton levelling line. The surveyor's description was Old B.M. on coping stone of wall at entrance to Empress Dock above tide pole, near automatic tide gauge.