Anglo-Belgian Boundary Commissions 1911-1914 and 1927-1933. Miscellaneous survey...

Comprises the following items. Although re-enveloped, the originals have been retained. 'Rhodesia - Belgian Congo Boundary extracts from report typed for the Aircraft Operating Company.' Based mostly on 1911-1913 survey. Carbon copy of typescript. 8 pages and 1 folio, stapled; photographic copies of 2 loose pages; 1 envelope. Dated mid 20th century. (DS 300 F; DS 305 C(3)). Letter from Major M. Hotine, R.E. to War Office regarding Mweru-Tanganyika 1927-1933 connection to Arc of 30th Meridian. 1 page. Dated 1933. (DS 111/2; DS 305 C(1)). Photographic copies of documents relating to 1911-1914 Boundary Commission Bangweulu and Mweru-Tanganyika sections: index page; covering letter and report of Major R. Walker, R.E. (includes attached note dated 1973); abstract of triangulation results; triangulation diagram; astronomical observation sheets; and 1928 recomputation and explanatory notes (2 copies). 128 pages, 1 folio and 1 folder. (DS 305 C(1); DS 300 A; DS 300 B; Dc [or e] 3). Previously in folder; now re-filed as 2 envelopes. Photographic copies of materials relating to 1912-1913 work on the Zambezi-Congo Watershed Section: file contents page; list of geographical coordinates, azimuths, log sides and heights of ruling triangulation (not rigorously adjusted); description of triangulation stations; list of geographical coordinates of boundary pillars 1 to 46; Captain G.T. McCaw's adjustment of the first 7 figures of ruling triangulation, Ref. index. 4.(a); and records of Belgian observations of triangulation (in French). Dated mid 20th century. 109 pages and 1 envelope. (H2 A5; DS 5; DS 300 B; DS 300 F; DS 305 C(1)B; M.I.4e.). 'The Rhodesia - Congo Boundary (Lake Bangweulu Survey) 1911-14' and related documents: table of triangulation points, carbon copy of typescript; Anglo-Congolese Boundary Commission (Bangweulu and Congo - Zambesi Watershed Sections). 1913. general information sheet, mimeograph; manuscript tables of geographical coordinates and remarks. Dated mid 20th century - c 1960. 19 pages and 1 envelope. (DS 305 C(2); DS 4; DS 310 A). 'The Rhodesia - Congo Boundary (Lake Bangweulu Survey) 1911-14'summary documents: manuscript index list front page, photographic copy of list of geographical coordinates of triangulation points and mimeograph copy of general information sheet. Dated mid 20th century - c 1960. 8 pages and 1 envelope. (DS 305 C(4); DS 310 A; DS 4). 2 Copies (1 carbon paper and 1 ? bromide) of 'Belgian Congo and North-Western Rhodesia Boundary Triangulation. Finally adjusted Results (British Section)', figures I to VII. Adjustment calculated by Capt. G.T. McCaw, 1927. Carbon copy dated 1927; bromide copy dated ? mid 20th century with folio note attached. Also 1 copy geographical to grid coordinate conversion based on Directorate of Overseas Surveys 1963 adjustment, original dated 1966. Total 22 pages, 1 folio and 1 envelope. (DS 300; DS 5; DS 360B; DS 305 I). Anglo-Belgian Boundary Commission Reports; letter requesting from Lt. Col. J.E.S. Bradford (includes very small unidentified fragment from an attached document). Dated 1941. 1 page and 1 envelope. (DS 305 L). 2 photographic copies (one white on black) 'Northern Rhodesia. Anglo-Congolese Triangulation'. Grid coordinates. Total 8 pages and 1 envelope. (DS 305 E; DS 360 K). Photographic copy of letter concerning Mweru-Tanganyika Boundary Connection [? to Arc of 30th Meridian]. Dated c 1930. 1 page, 1 folio and 1 envelope. (DS 331 AB; DS 305 G). 3 mimeograph copies of 'Mweru-Tanganyika Boundary Commission 1911-13. Recomputation of Main Triangulation.' Dated 1928. Also a retyped version and partial copies from 1936 and 1938. Total 22 pages, 1 folder and 1 envelope. (H2 A6; M.I.4./4; Folio Z4-5, Box FR-24 [or Z4-1]DS 305 A; DS 305 N).

The legal basis of the Anglo-Belgian Boundary Commission 1911-1913 can be found at:. Brownlie, Ian, African Boundaries (London: Hurst, 1979), p.708. ; An overview and analysis of the Commission's work can be found at:. Donaldson, John, Wade, Marking Territory: Demarcation of the DRC-Zambia Boundary from 1894 to the Present Day. Doctoral thesis, Durham University - http://etheses.dur.ac.uk/328/ [accessed 28/01/2019]. ; A description of the Boundary Commission's work and of the survey methodology is given at. E.A. Steel, 'Zambezi-Congo Watershed', The Geographical Journal, 50 (1917), 180-193; ----------. The legal basis of the Anglo-Belgian Boundary Commission 1927-33 can be found at:. Brownlie, Ian, African Boundaries (Luton: Hurst, 1979), pp.708-12. ; An overview and analysis of the Commission's work can be found at:. Donaldson, John, Wade, Marking Territory: Demarcation of the DRC-Zambia Boundary from 1894 to the Present Day. Doctoral thesis, Durham University (2010) - http://etheses.dur.ac.uk/328/ [accessed 28/01/2019]. ; An account of the boundary survey can be found at:. E.R.L. Peake, 'Northern Rhodesia: Belgian Congo Boundary', The Geographical Journal, 83 (1934), 263-77 and map after p.352

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