Digitised Content: No / Material Type: Archives and Manuscripts - British Library Archives and Manuscripts Catalogue Search Results

Reference (shelfmark):: TRIG/6
Title:: Anglo-Belgian Boundary Commission 1927-1933. Whole boundary. Folders 31-39.
Scope & Content:: Records of survey observations, computations and station descriptions, including Belgian values, along the Northern Rhodesia-Belgian Congo boundary. Extends to Angola tripoint. Includes some fold-out maps. Comprises: Folder 31. Technical Report Folder 32. Belgian Values Folder 33. Record of Obse...
Collection Area:: Map Collections
Languages:: English and French
Date Range:: 1929-1933
Extent:: 9 folders

Reference (shelfmark):: TRIG/7
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Folders 40 and 42-47.
Scope & Content:: Survey observations and computations along the Northern Rhodesia-Belgian Congo boundary. Comprises: Folder 40. External Detail Traverse. Computations. Folder 42. Catenary Traverse. Computation. Folder 43. Catenary Traverse. Computation. Folder 44. Catenary Traverse. Preliminary Computation. Fold...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1930-31
Extent:: 7 folders

Reference (shelfmark):: TRIG/8
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Folders 48-53.
Scope & Content:: Survey observations and computations along the Northern Rhodesia-Belgian Congo boundary. Extends to Angola tripoint. Comprises: Folder 48. Catenary Traverse. Horizontal Distances. Folder 49. Catenary Traverse. Computation. Folder 50. Catenary Traverse. Horizontal Distances. Folder 51. Catenary T...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1931
Extent:: 6 folders

Reference (shelfmark):: TRIG/9
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed and Meridian sections. Folders 54-58.
Scope & Content:: Survey observations and computations along the Northern Rhodesia-Belgian Congo boundary (Congo-Zambesi and Mpanta Meridian sections). Includes fold-out plans. Comprises: Folder 54. Technical Report Folder 55. Record of Observations Folder 56. Final Results. Ruling and Minor Triangulation Folder ...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1931-1933
Extent:: 5 folders

Reference (shelfmark):: TRIG/10
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Folders 59, 59A 60, 61 and 62.
Scope & Content:: Survey observations and computations along the Northern Rhodesia-Belgian Congo boundary. Includes fold-out plans. Comprises: Folder 59. Minor Triangulation Folder 59A. Triangulation 1932 Folder 60. Cassini Computations Folder 61. Traverse Computations Folder 62. Traverse Computations Used in the...
Collection Area:: Map Collections
Languages:: English
Date Range:: c 1932
Extent:: 5 folders

Reference (shelfmark):: TRIG/11
Title:: Anglo-Belgian Boundary Commission 1927-1933. Whole boundary. Folders 63-68.
Scope & Content:: Records of survey observations, computations, station descriptions and a technical report along the Northern Rhodesia-Belgian Congo boundary. Includes some fold-out maps. Comprises: Folder 63. Traverse Computations Folder 64. Cassini Computations Folder 65. Astro. at Junction of Arc and Watershe...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1916-1935
Extent:: 6 folders

Reference (shelfmark):: TRIG/12
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Triangulation. Horizontal and Vertical Observation Books (field copies) and Index of Observation Books.
Scope & Content:: 30 observation books (numbered 1 to 30). Book 1 also contains an additional 18 loose pages of observations (16 x 23cm) and 1 page of 'Beacon Dimensions' (33 x 21cm, recto and verso). Office copies of books 1 to 20 are filed at TRIG/25. 1 index book titled 'Index of Observation Books Showing C...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1927-1930
Extent:: 31 volumes and 19 pages

Reference (shelfmark):: TRIG/13
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Triangulation. Horizontal and Vertical Observation Books (field copies).
Scope & Content:: 30 observation books (numbered 31 to 63; there is an additional 39a, and 57 to 60 were not present on transfer). Book 1 also contains an additional loose page of 'Measurements etc. of Beacons' (21 x 33cm). Used in the compilation of Geographical Section, General Staff No. 4044, 7 sheets at sca...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1929-1932
Extent:: 30 volumes and 1 page

Reference (shelfmark):: TRIG/14
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Astronomical Observation Books (field copies).
Scope & Content:: Astronomical observation books (numbered 1 to 41). Boundary section extends to Angola tripoint. Used in the compilation of Geographical Section, General Staff No. 4044, 7 sheets at scale 1:250,000 dated 1941 filed at Maps X.6262.
Collection Area:: Map Collections
Languages:: English
Date Range:: 1929-1933
Extent:: 41 volumes

Reference (shelfmark):: TRIG/15
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Boundary Traverses. Topo[graphical]. Survey Traverse Observation Books (field copies).
Scope & Content:: 42 traverse observation books (numbered A1 to A40; there is no book 5, but additional books 4-5, 5-6 and 33a) labelled 'field book' or 'field copy'. Used in the compilation of Geographical Section, General Staff No. 4044, 7 sheets at scale 1:250,000 dated 1941 filed at Maps X.6262.
Collection Area:: Map Collections
Languages:: English
Date Range:: 1927-1931
Extent:: 42 volumes

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