Ordnance Survey's Levelling of Great Britain |
[2GL Abstract] [2GL Transcription] |
ABSTRACTS of the PRIMARY LINES of the SECOND GEODETIC LEVELLING in ENGLAND & WALES by Colonel Sir Charles Close, KBE, CB, CMG, FRS Director-General of the Ordnance Survey Southampton 1921 |
The following index lists the Primary lines of the Second Geodetic Levelling of England & Wales, carried out between 1912 and 1921 by the Ordnance Survey. The linked pages are scans of the abstract, which list the "intermediate points" surveyed between the 86 Fundamental Bench Marks (FBM's) and 5 Tide Gauges. |
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Plate 1 The First Geodetic Levelling of England & Wales (1840-1860) Plate 2 The Second Geodetic Levelling of England & Wales (1921-1921) Plate 3 The Second Geodetic Levelling of England & Wales (1921-1921) (New value of bench mark -- Old value of bench mark) Dunbar Dunbar Tidal Observatory - Sketches |
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[Described in detail in the 'Companion Volume' with the Original Index] |
Pair | Lines of Levelling | Page in Abstract | Side Levels | status | vol'tr |
---|---|---|---|---|---|
ABG-BRE | Abergavenny to Brecon | 46 | 46 | 31% Confirmed | AH |
ALF-CRY | Alfriston to Croydon | 26,27 | 27,28 | 12% Confirmed | IanR |
ARU-ALF | Arundel to Alfriston | 25,26 | 26 | 30% Confirmed | IanR |
BAS-WAL | Basingstoke to Wallingford | 20,21 | 21 | 40% Confirmed | JohnT |
BOS-GRA | Boscastle to Grampound | 6 | 6 | 30% Confirmed | |
BAB-ABG | Brampton Abbots to Abergavenny | 47 | 47 | Plotted | |
BAB-SUC | Brampton Abbots to Suckley | 40 | - | Plotted | |
BRE-LLA | Brecon to Llandovery | 48 | - | 45% Confirmed | |
BRI-BEE | Bridford to Beer | 6 | 6 | Plotted | |
BRI-YEL | Bridford to Yelverton | 3 | 3 | 20% Confirmed | |
BRO-WAR | Bromsgrove to Warwick | 38 | 37 | 7% Confirmed | |
BUC-SAP | Buckland to Sapperton | 22 | - | Plotted | JohnT |
BUL-NOR | Bulmer to Northallerton | 96,97 | 97 | 50% Confirmed | |
BUN-CLA | Buntingford to Clare | 69,70 | 70 | 26% Confirmed | IanR |
CRM-LLA | Carmarthen to Llandovery | 48,49 | 49 | 46% Confirmed | AH |
CRM-LLAb | Carmarthen to Llandovery (Carmarthen, Llanelly, Neath, Merthyr Tydfil & Abergavenny) | 49,50,51,52, 53,54,55 | - | Transcribed | |
CRM-LLAc | Carmarthen to Llandovery (Llanelly to Llandilo) | 55,56,57 | - | 1% Plotted | |
CRM-LLAd | Carmarthen to Llandovery (Neath, Cardiff, Merthyr Tydfil) | 57,58,59,60, 61 | - | Transcribed | |
CAS-WOW | Castor to Waltham-on-the-Wolds | 64 | 64 | 94% Confirmed | RobW |
CAS-WKN | Castor to Wicken | 71,72 | 72 | 78% Confirmed | IanR |
CHS-BRE | Church Stretton to Brecon | 44,45 | 45,46 | 72% Confirmed | RoyB |
CLA-IPS | Clare to Ipswich | 73 | 73 | 10% Confirmed | IanR |
CRA-CAS | Cranford to Castor | 63 | 63 | Confirmed | RobW |
CRY-WCA | Croydon to Windsor Castle | 28 | 28,29 | 30% Confirmed | IanR |
DAR-WRE | Daresbury to Wrexham | 86 | 86 | 90% Confirmed | RoyB |
DVE-GRL | Daventry to Great Linford | 31,32 | 32 | 48% Confirmed | RWW |
DRC-BEE | Dorchester to Beer | 7 | 7 | 6% Confirmed | |
DRC-WIM | Dorchester to Wimborne | 10 | 10 | Plotted | |
DUL-BRI | Dulverton to Bridford | 4,5 | 4 | 23% Confirmed | |
DUL-TOR | Dulverton to Torrington | 4 | 5 | 40% Confirmed | RobW |
DBT:CCT | Dunbar Circuit | 110 | - | Confirmed | Graeme |
DBT-DBW | Dunbar Tidal Observatory to Dunbar West | 110 | - | 50% Confirmed 50% Plotted | Graeme |
DBW-DBE | Dunbar West to Dunbar East | 110 | - | Confirmed | Graeme |
Dunbar West to Wester Broomhouse | 110 | 110 | Graeme | ||
DUC-KEL | Duns Common to Kelso | 105 | 105 | 68% Confirmed | Graeme |
DUC-WBR | Duns Common to Wester Broomhouse | 109 | 109 | Plotted | Graeme |
FAR-ARU | Fareham to Arundel | 24,25 | 25 | 55% Confirmed | IanR |
FAR-SOU | Fareham to Southampton | 18 | - | Plotted | |
FAR-WIN | Fareham to Winchester | 19 | 19 | 17% Confirmed | |
FLT:CCT | Felixstowe Circuit | 74 | - | Confirmed | IanR |
FLB-SHA | Flax Bourton to Sharpness | 24 | 24 | Plotted | |
FOR-WOL | Forcett to Wolsingham | 98,99 | 99 | 66% Confirmed | IainM |
GRA-LIS | Grampound to Liskeard | 2 | 2 | 10% Confirmed | |
GRA-TRO | Grampound to Troon | 2 | 2 | Plotted | |
GRL-CRA | Great Linford to Cranford | 61,62 | 62 | Confirmed | RobW |
GRL-HEH | Great Linford to Hemel Hempstead | 37 | 37 | 37% Confirmed | JohnT |
GRL-WAL | Great Linford to Wallingford | 30,31 | 31 | 16% Confirmed | JohnT |
GRE-BRM | Greetland to Broomhead Moor | 94,95 | 95 | 84% Confirmed | |
GRE-SKI | Greetland to Skipton | 93,94 | 94 | 87% Confirmed | |
HAW-KEL | Hawick to Kelso | 106 | 106 | 40% Confirmed | Graeme |
HEH-BUN | Hemel Hempstead to Buntingford | 68,69 | 69 | 3% Confirmed | IanR |
HEH-WCA | Hemel Hempstead to Windsor Castle | 35,36 | - | Plotted | JohnT / IanR |
HEX-LHO | Hexham to Longhorsley | 102,103 | 103 | 44% Confirmed | RobW |
HIB-MAT | Hibaldstow to Matlock | 79,80 | 80 | 43% Confirmed | RodS |
HIB-SCV | Hibaldstow to South Cave | 89 | 89 | 25% Confirmed | |
IPS-FLT | Ipswich to Felixstowe (FB 2093) | 74 | 74 | 14% Confirmed | IanR |
KIS-PNR | Kirkby Stephen to Penrith | 108,109 | - | 78% Confirmed | DavidT |
LVF-DAR | Liverpool to Daresbury | 84 | 85 | 66% Confirmed | RoyB |
LVF-LVT | Liverpool to Liverpool Tidal Station (FB2607) | 85 | 85 | 50% Confirmed | RoyB |
LHO-BEL | Longhorsley to Belford | 103 | 103,104 | Confirmed | GRM/IRM |
MCC-DAR | Macclesfield to Daresbury | 83 | 83,84 | 91% Confirmed | RoyB |
Madron to Newlyn (Tolcarne) | 1 | - | |||
MAT-BRM | Matlock to Broomhead Moor | 95,96 | 96 | Confirmed | RodS |
MAT-MCC | Matlock to Macclesfield | 81,82 | 82 | 78% Confirmed | RodS |
MAT-MEL | Matlock to Melbourne | 80,81 | - | Confirmed | RodS |
MEL-NUN | Melbourne to Nuneaton | 66,67 | 67 | 72% Confirmed | RodS |
MEL-STA | Melbourne to Stafford | 75 | 75 | 90% Confirmed | RodS |
MEL-WOW | Melbourne to Waltham-on-the-Wolds | 65 | - | 74% Confirmed | RodS |
MOR-BEL | Mordington to Belford | 104 | 104 | 23% Confirmed | Graeme |
MOR-DUC | Mordington to Duns Common | 105 | 104 | 90% Confirmed | IanP |
NAV-HIB | Navenby to Hibaldstow | 78 | 78 | 83% Confirmed | RodS,RobW |
NCL-HAW | Newcastleton to Hawick | 106,107 | 107 | 58% Confirmed | Graeme,IainM |
Newlyn (Tolcarne) to Paul | 1 | - | |||
NLT:CCT | Newlyn Circuit | 1 | - | Plotted | IanR |
NLT-TOL | Newlyn Tidal Observatory BM to Newlyn (Tolcarne) | 1 | - | Plotted | |
NPE-DUL | North Petherton to Dulverton | 9 | 9 | 9% Confirmed | |
NPE-FLB | North Petherton to Flax Bourton | 16 | - | Plotted | |
NPE-FLBa | North Petherton to Flax Bourton (Axmouth to Perry Farm Branch) | 16 | 17 | Plotted | |
NPE-FLBc | North Petherton to Flax Bourton (Stolford Branch) | 18 | - | Plotted | |
NOR-FOR | Northallerton to Forcett | 97,98 | 98 | 90% Confirmed | |
OSW-CHS | Oswestry to Church Stretton | 88 | 88 | 59% Confirmed | Barry,RobW |
Paul to Sancreed | 1 | - | |||
PNR-WRL | Penrith to Wetheral | 108 | - | 76% Confirmed | DavidT |
RIB-KIS | Ribblesdale to Kirkby Stephen | 100 | 100 | 36% Confirmed | |
Sancreed to Madron | 1 | - | |||
SAP-CAM | Sapperton to Campden | 34,35 | 35 | 8% Confirmed | |
SAP-SHA | Sapperton to Sharpness | 23 | 23 | 16% Confirmed | |
SHA-BAB | Sharpness to Brampton Abbots | 41,42 | 42 | Plotted | |
SKI-RIB | Skipton to Ribblesdale | 101 | 101 | Confirmed | RobW |
SKI-WBY | Skipton to Wetherby | 92 | 93 | 84% Confirmed | DW |
SCV-BUL | South Cave to Bulmer | 90 | 90 | 77% Confirmed | |
SOU-SOE | Southampton to Southampton (Tide Gauge - Empress Dock) | 11 | 11 | Plotted | |
SOU-SOT | Southampton to Southampton (Tide Gauge - Town Quay) | 11 | - | Plotted | |
SOU-WIM | Southampton to Wimborne | 10,11 | - | Plotted | |
SOU-WIMa | Southampton to Wimborne (Branch Line) | 11 | - | Plotted | |
SOU-WIN | Southampton to Winchester | 12 | 12 | 16% Confirmed | |
SOU-WINb | Southampton to Winchester (Romsey Circuit Branch) | 12 | 13 | Plotted | |
SOU-WINd | Southampton to Winchester (Eastleigh to Winchester Branch) | 13 | - | Plotted | |
SOU-WINe | Southampton to Winchester (Bar End to Winnall Branch) | 13 | - | Plotted | |
STA-CHS | Stafford to Church Stretton | 76 | 76,77 | 79% Confirmed | RobW |
SUC-BRO | Suckley to Bromsgrove | 39 | 39 | Plotted | |
SUC-CHS | Suckley to Church Stretton | 42,43,44 | 44 | 12% Confirmed | |
THF-DRC | Thornford to Dorchester | 8 | - | Plotted | |
THF-NPE | Thornford to North Petherton | 8,9 | - | Plotted | |
TOR-BOS | Torrington to Boscastle | 5 | 5 | 8% Confirmed | |
TRO-TOL | Troon to Newlyn (Tolcarne) | 1 | 1 | 20% Confirmed | |
UPL-FLB | Upton Lovell to Flax Bourton | 15 | - | 3% Confirmed | IanP |
WAL-BUC | Wallingford to Buckland | 21 | - | 64% Confirmed | JohnT |
WOW-NAV | Waltham-on-the-Wolds to Navenby | 77 | 78 | 72% Confirmed | RobW |
WAR-CAM | Warwick to Campden | 33,34 | 34 | Plotted | |
WAR-DVE | Warwick to Daventry | 33 | - | 46% Confirmed | RobW |
WAR-NUN | Warwick to Nuneaton | 67,68 | 68 | Plotted | |
WRL-NCL | Wetheral to Newcastleton | 107 | - | 33% Confirmed | |
WBY-BUL | Wetherby to Bulmer | 91 | 91,92 | 72% Confirmed | IainM |
WKN-CLA | Wicken to Clare | 71 | - | 48% Confirmed | IanR |
WIN-BAS | Winchester to Basingstoke | 20 | - | Plotted | |
WIN-UPL | Winchester to Upton Lovell | 14 | 14 | 41% Confirmed | |
WIN-UPLb | Winchester to Upton Lovell (Mottisfont to Romsey Branch) | 14 | - | 83% Confirmed | |
WCA-WAL | Windsor Castle to Wallingford | 29 | 29,30 | 44% Confirmed | JohnT |
WOL-HEX | Wolsingham to Hexham | 102 | 102 | 58% Confirmed | IainM |
WOL-KIS | Wolsingham to Kirkby Stephen | 99,100 | 100 | 86% Confirmed | |
WRE-OSW | Wrexham to Oswestry | 87 | 87 | 61% Confirmed | Barry |
YEL-LIS | Yelverton to Liskeard | 3 | 3 | 14% Confirmed |
118 Lines, of which 118 have been uploaded, 118 have been fully Transcribed, 114 have been fully Plotted, 9 have been fully Confirmed.
additionally 84 Side Levels, of which 85 have been uploaded, 85 have been fully Transcribed, 26 have been fully Plotted, 2 have been fully Confirmed.
* These Stats count ANY 2GL mark (other than FBM) within the data!
My ISP is a haveing a bit of trouble at the moment if you cant see the abstract index above then click here