Material Type: Archives and Manuscripts - British Library Archives and Manuscripts Catalogue Search Results

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

Reference (shelfmark):: TRIG/16
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Boundary Traverses. Topo[graphical]. Survey Traverse Observation Books (field copies).
Scope & Content:: 28 traverse observation books (numbered A41 to A69) labelled 'field book' or 'field copy'. Traverse observation books A70 to A98 were not present on transfer. However, office copies of these are filed at TRIG/26. Used in the compilation of Geographical Section, General Staff No. 4044, 7 sheets...
Collection Area:: Map Collections
Languages:: English
Date Range:: 1928-1929
Extent:: 28 volumes

Reference (shelfmark):: TRIG/17
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. Boundary and Triangulation Point Traverses. Topo[graphical]. Survey Traverse Observation Books (field copies).
Scope & Content:: Boundary traverse observation books (numbered A.99 to A.131). Traverses from triangulation points to boundary pillars, observation books (numbered B1 to B11). 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:: 1929-1931
Extent:: 44 volumes

Reference (shelfmark):: TRIG/18
Title:: Anglo-Belgian Boundary Commission 1927-1933. Congo-Zambesi Watershed Section. External Detail Traverses. Topo[graphical]. Survey Traverse Observation Books (field copies).
Scope & Content:: 32 observation books (numbered C1 to C32); all are traverse books except C18 where observations were recorded in a horizontal and vertical angle book. 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:: 1927-1929
Extent:: 32 volumes

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