Levelling Homepage Ordnance Survey's
Levelling
of Great Britain		 [1GL, 2GL Abstract]
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'Levelling' Files

[General Levelling Files - 1GL - 2GL] (All | Viewed)

[Summary of Records of the Ordnance Survey of Great Britain]

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RefSourceDateNotes
+ - OS 1Ordnance Survey: Central Registry: Registered Files (SO and CR Series)1959-1988
OS 1/131Levelling of the Ouse Catchment Area1940-1942
OS 1/134Re-levelling of Greater London1927-1948Some interesting maps and abstracts
OS 1/182Levelling: errors.1932-1944
OS 1/260Standard Tests for Triangulation and Levelling trades.1946 - 1951
OS 1/280Adjustment of the third geodetic levelling of Great Britain.1956 - 1961
OS 1/281Geodetic levelling: Scotland1926 - 1949
OS 1/315Levelling1931 - 1953
OS 1/323Investigation by Treasury Organisation and Methods Division - Trig and Levelling Division1945 - 1947
OS 1/535Island of Jersey: miscellaneous levelling records1912-1935
OS 1/907Hydrostatic levelling Bacton to North Sea gas rig1967-1972
OS 1/908Hydrostatic levelling Bacton to North Sea gas rig: second1969
OS 1/912Levelling: Cyprus1968-1969
OS 1/913Levelling: Isle of Man1968-1971
OS 1/969Levelling instruments: theodolites, etc1954-1956
OS 1/1086Levelling1953-1958
OS 1/1087Levelling1958-1967
OS 1/1139Third geodetic levelling: Scotland1956-1964Very Interesting Maps, of E&W too!
OS 1/1143Levelling: systematic errors1958-1965
OS 1/1144Levelling: standard line1958-1966
OS 1/1202Oceanographic Meteorological Research Committee: fixed station; tide gauge in relation to third geodetic levelling1961-1963
OS 1/1218International Association of Geodesy: European levelling net1960-1963
OS 1/1246Tertiary levelling: second cycle computing and adjustment1961-1963
OS 1/1254Third geodetic levelling: publication1958-1970Some interesting Stuff
OS 1/1270International Association of Geodesy: European Levelling Network1962-1963
OS 1/1311Adjustment of third geodetic levelling1956-1960
OS 1/1336Hydrostatic levelling1965-1970
OS 1/1406Adjustment of 3rd geodetic levelling of Great Britain1967-1972
OS 1/1482International Association of Geodesy : European levelling net1970 Jan 01-1974 May 01
OS 1/1589International Association of Geodesy: European Levelling Networks1959 Oct 01-1959 Oct 31
OS 1/1590Review of basic scale surveys and levelling service - Consultative questionnaires: responses and correspondence1973 May 03-1973 Nov 12
OS 1/1603Publication of professional paper on 3rd geodetic levelling of Great Britain (not published)1973 Dec 17
OS 1/1658Review of basic scale survey and levelling service policy1980 Jul 28
OS 1/10/1Levelling and contouring: notes1867
OS 1/10/2Secondary system of levelling report
OS 1/10/3Initial levelling: revision1911-1921
OS 1/10/4Whewell's levelling: Bristol Channel to English Channel1924-1927IanR
OS 1/284Fundamental Bench Marks1927 - 1953IanR
OS 1/339Stable Bench Marks in mining areas1933 - 1955
OS 1/1407Bench mark lists: policy1968-1971