Flush Bracket 587: Tunnel Hill Farm Air Shaft   

Flush Bracket on E. face of Air Shaft, 4 chains S. from Tunnel Hill Farm [2GL] - FB reported destroyed (1925?).

Location
Grid reference: SP 7307 5249.
Landranger 152: Northampton & Milton Keynes, Buckingham & Daventry.
Structure: Other.
Waypoint: FB587.

Neighbouring Flush Brackets

586	Blisworth Tunnel, North End 449.44m to the north.
588	Blisworth Hill Farm 625.86m to the south.
585	Blisworth 1.42km to the northwest.
589	Buttermilk Hall 1.48km to the south.
584	Blisworth 2.09km to the north.

The nearest fundamental bench mark is Great Linford, 15.67km to the southeast.

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 387.6980 feet [118.1704 metres] above mean sea level (Newlyn datum). It was included on the Daventry to Great Linford levelling line. The surveyor's description was Flush Bracket on E. face of Air Shaft, 4 chains S. from Tunnel Hill Farm.

Logged Visits
Logged on 7th October 2007 by lackofluke. Condition: Probably destroyed.
1925 may well be the year this one was destroyed. The existing air shaft (odd looking thing) has a stone engraved with the year 1925 inset into it.