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Cut Mark: Reading, High Bridge 
Canal Bridge, between Duke-Street and London-street, Reading. Mark on West parapet ; 1.84 ft. above surface [1GL, Basingstoke to Coventry, Branch Levelling from Mark No. 38(a)] =?= Old B.M. on E. face of W. battlement of High Bridge over River Kennett, Duke Street, Reading [2GL]; BR W PARA 5.0M N S BANK R KENNET LONDON RD (height 40.5482m, 0.6m above ground).
Location
Grid reference: SU 7175 7329.
Landranger 175: Reading & Windsor, Henley-on-Thames & Bracknell.
Structure: Bridge.
Waypoint: BM1161.
Neighbouring Bench Marks
The nearest fundamental bench mark is Wallingford,
17.54km to the northwest.
First Primary Levelling, England & Wales (1840-60)
This bench mark was used during the First primary levelling, England & Wales, and was levelled with a height of 133.7750 feet [40.7746 metres] above mean sea level (Liverpool datum). It was included as a side level on the Basingstoke to Coventry levelling line. The surveyor's description was Canal Bridge, between Duke-Street and London-street, Reading. Mark on West parapet ; 1.84 ft. above surface.
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 133.0610 feet [40.5570 metres] above mean sea level (Newlyn datum). It was included as a side level on the Basingstoke to Wallingford levelling line. The surveyor's description was Old B.M. on E. face of W. battlement of High Bridge over River Kennett, Duke Street, Reading.
Logged Visits
Logged on 15th October 2008 by RogerTempleman. Condition: Good.
I reckon this is a 1-GL mark (Basingstoke to Coventry 38(a)). The bridge carved section says the bridge was built in 1788. I think the OS database reference to London Road is wrong - the bridge is where Duke Street and London Street meet.
Logged on 5th September 2004 by jochta. Grid reference: SU 7175 7329. Condition: Good.
Used as a 2GL side level. http://maps.jochta.com/benchmarks.php?id=11
Location
Grid reference: SU 7175 7329.
Landranger 175: Reading & Windsor, Henley-on-Thames & Bracknell.
Structure: Bridge.
Waypoint: BM1161.
Neighbouring Bench Marks
| BM | Reading, 33 London Street 126.49m to the south. |
| BM | Reading, Butter Market 144.22m to the northwest. |
| BM | Reading, East Street 205.18m to the southeast. |
| BM | Reading, Cannon Inn 210.24m to the northeast. |
| BM | Reading, #67 London Street 240.42m to the south. |
First Primary Levelling, England & Wales (1840-60)
This bench mark was used during the First primary levelling, England & Wales, and was levelled with a height of 133.7750 feet [40.7746 metres] above mean sea level (Liverpool datum). It was included as a side level on the Basingstoke to Coventry levelling line. The surveyor's description was Canal Bridge, between Duke-Street and London-street, Reading. Mark on West parapet ; 1.84 ft. above surface.
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 133.0610 feet [40.5570 metres] above mean sea level (Newlyn datum). It was included as a side level on the Basingstoke to Wallingford levelling line. The surveyor's description was Old B.M. on E. face of W. battlement of High Bridge over River Kennett, Duke Street, Reading.
Logged Visits
Logged on 15th October 2008 by RogerTempleman. Condition: Good.
I reckon this is a 1-GL mark (Basingstoke to Coventry 38(a)). The bridge carved section says the bridge was built in 1788. I think the OS database reference to London Road is wrong - the bridge is where Duke Street and London Street meet.
Logged on 5th September 2004 by jochta. Grid reference: SU 7175 7329. Condition: Good.
Used as a 2GL side level. http://maps.jochta.com/benchmarks.php?id=11
If you have any corrections or additions to this record, please let us know.