SJ8895 : Cut Mark at Brookfield Church

taken 4 years ago, near to Gorton, Manchester, Great Britain

Cut Mark at Brookfield Church
Cut Mark at Brookfield Church
In the stone of the east buttress at the base of the tower SJ8895 : Brookfield Churchyard and entrance.

Benchmark Database: LinkExternal link
Brookfield Unitarian Church, Gorton

The grade II* listed building LinkExternal link was commissioned and endowed by Richard Peacock, engineer and partner in locomotive-building firm of Beyer and Peacock. The cornerstone was laid on October 30th 1869. Replacing the former Gorton Chapel which was built in 1703, it was designed by Manchester architect Thomas Worthington, a prominent Manchester Unitarian, and opened in 1870.

The grounds contain many graves dating from the former chapel and a mausoleum for Richard Peacock and his son Ralph. LinkExternal link The tower houses a peel of eight bells but they are only rarely rung. The adjacent grade II listed LinkExternal link Sunday School was sold to a Housing Association and converted into retirement homes after becoming disused and derelict for a number of years.

Interesting accounts of the church can be found at the Gorton Local History Group Archives site: Archive LinkExternal link and on Robert Siddall's memorabilia site: Archive LinkExternal link

Bench Mark

Bench marks were historically used to record the height above sea level of a location as surveyed against the Mean Sea Level data (taken at Clarendon Dock, Belfast, for Northern Ireland data, Newlyn in Cornwall for data in Great Britain and Portmoor Pier, Malin Head, for data relating to the Republic of Ireland). They were used as part of a greater surveying network by the UK Ordnance Survey, Ordnance Survey Northern Ireland (OSNI) and the Ordnance Survey Ireland (OSI). If the exact height of one bench mark is known then the exact height of the next can be found by measuring the difference in heights, through a process of spirit levelling. In this way hundreds of thousands of bench marks were sited all around the UK & Ireland from the mid 19th to late 20th centuries. There are several distinct types of bench mark:

- Fundamental bench marks have been constructed at selected sites where foundations can be set on stable strata such as bedrock. Each FBM consists of a buried chamber with a brass bolt set in the top of a granite pillar. See NG8825 : Dornie fundamental bench mark for an example. FBMs were used in Ireland as well as GB but those in Ireland do not have any surface markers, nor are they marked on standard maps.
- Flush brackets consist of metal plates about 90 mm wide and 175 mm long. Each bracket has a unique serial number. They are most commonly found on most Triangulation Pillars, some churches or on other important civic buildings. See J3270 : Flush Bracket, Belfast for an example.
- Cut bench marks are the commonest form of mark. They consist of a horizontal bar cut into a wall or brickwork and are found just about anywhere. A broad arrow is cut immediately below the centre of the horizontal bar. See J3372 : Bench Mark, Belfast for an example. The horizontal mark may be replaced by or contain a bolt - see J1486 : Bench Mark, Antrim.
Other marks include:
- Projecting bench marks such as SD8072 : Projecting Bracket Benchmark on St Oswald's Tower
- Bolt bench marks such as SJ1888 : OSBM bolt on Hilbre Island
- Rivet bench marks such as J3978 : Bench Mark, Holywood
- Pivot bench marks such as SJ2661 : Pivot bench mark on Leeswood Bridge

Bench marks are commonly found on older buildings or other semi-permanent features such as stone bridges or walls. Due to updated mapping techniques and technological advances such as GPS, bench marks are no longer maintained. Many are still in existence and the markers will probably remain until they are eventually destroyed by redevelopment or erosion.

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SJ8895, 103 images   (more nearby search)
Photographer
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Date Taken
Thursday, 15 February, 2018   (more nearby)
Submitted
Sunday, 24 June, 2018
Geographical Context
Historic sites and artefacts  Religious sites 
Subject Location
OSGB36: geotagged! SJ 8891 9592 [10m precision]
WGS84: 53:27.5946N 2:10.1096W
Camera Location
OSGB36: geotagged! SJ 8891 9592
View Direction
West-northwest (about 292 degrees)
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Cut Bench Mark 

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