Flush Bracket G1582: Martlesham, School Lane 

S face, SE angle of school, N side of road, Martlesham [10.125' OS54/522]; building, School Lane, S angle, SW face.
Location
Grid reference: TM 2527 4716.
Landranger 169: Ipswich & The Naze, Clacton-on-sea.
Structure: School.
Waypoint: FG1582.
Neighbouring Flush Brackets
The nearest fundamental bench mark is Ipswich,
14.28km to the west.
Second Geodetic Levelling, England & Wales (1946-51)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 10.1250 feet [3.0861 metres] above mean sea level (Newlyn datum). The surveyor's description was SE angle of school, N side of road, Martlesham.
Third Geodetic Levelling, England & Wales (1950-68)
This flush bracket was used during the Third geodetic levelling, England & Wales. It was included on the Whitton Green North to Ipswich levelling line.
Location
Grid reference: TM 2527 4716.
Landranger 169: Ipswich & The Naze, Clacton-on-sea.
Structure: School.
Waypoint: FG1582.
Neighbouring Flush Brackets
| G1595 | Martlesham Heath, Woodmans Place 1.54km to the southwest. |
| G1581 | Maidensgrave, Barrack Road 1.89km to the northeast. |
| S0221 | Woodbridge, Crown Hotel 2.70km to the northeast. |
| G1580 | Woodbridge, School 2.85km to the northeast. |
| G1596 | Playford School 3.02km to the southwest. |
Second Geodetic Levelling, England & Wales (1946-51)
This flush bracket was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 10.1250 feet [3.0861 metres] above mean sea level (Newlyn datum). The surveyor's description was SE angle of school, N side of road, Martlesham.
Third Geodetic Levelling, England & Wales (1950-68)
This flush bracket was used during the Third geodetic levelling, England & Wales. It was included on the Whitton Green North to Ipswich levelling line.
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