TRIG/74

Comprises the following items. Compiled by units from the Royal Engineers or related sections of the War Office unless otherwise stated:

Material relating to the work of Capt Bomford in Syria and Cilicia in 1919. Notes, correspondence, photo locations and descriptions.

Trig Report No 1: Turkey, Greece, Balkans. Comprises reports on Turkey, Greece, the Balkan Triangulation System, the Greek-Turkish Connexion and Provisional Coordinates for Aya Sofia. Includes map sheets MDR 20/7547, MDR Misc 2412, MDR Misc 2418 and MDR Misc 2698*.

Triangulation Scheme, Ezerum, Ottoman Empire. Miscellaneous British and Russian astronomical triangulation work.

Triangulation at Tarsus Camp and Mersin Dump, Turkey. Observations (including astronomical observation book), computations, diagrams and sketch maps.

Co-ordinates, Turkish 1:25,000 maps, Thrace. Coordinate table with grid and graticule values.

Co-ordinates of the Sheet Corners of the 1:25,000 Turkish maps of Gallipoli. Coordinate table with grid and graticule values. Includes graphic index.

Sheet corners of the 1:25,000 Turkish map of Gallipoli and Chanak. Coordinate table.

St Sophia Meridian, GSGS 4646. Note.

Report on the Compilation and Gridding of Turkey Maps. Report with related diagrams and coordinate lists.

Town Plan Icel, GSGS 4790. Grid to graticule coordinate conversion table.

Town Plan Mersin, GSGS 4740. Grid to graticule coordinate conversion table.

Les Travaux Topographiques et Cartographiques de L’Institut Géographique Militaire, 1934-1938. Report by L’Institut Géographique Militaire, Beograd.

Survey Fundamentals of the Former Yugoslav Area converted to the European Integrated System. Translation of report ‘Überführung der Vermessungsgrundlagen des ehemaliges Jugoslawien Raumes in das Europäisches Einheitssystem (Potsdam)‘Arbeitung der Heeresvermessung Heft Nr 5.

Preliminary Investigations in Establishment of the Yugoslav First Order Triangulation Network: Orientation, Isostatic Corrections, Astronomic Levelling and the Figure of the Geoid. 2 copies of a published booklet. By Abdulah Muminagić.

List of Geographical Co-ordinates – Yugoslavia. Table II – Geodetic Positions. Details of 1st, 2nd, 3rd, and 4th order trig points. By the Army Geographical Institute of Vienna. [Folder empy on transfer.]

Равнање Полигона Висина Са Наслоном На Прецизни Нивелман [Translation: Comparison of heights derived from triangulation and levelling]. Comparison table with sketch map, Avala region, Serbia.

Albania & Southern Yugoslavia 1:500,000. Geographical to rectangular coordinate conversion tables and proof check cards.

Graeco-Albanian Boundary Survey, 1913. 2 Triangulation Angle Books (numbered 1 and 2) and 1 Astronomy Angle Book (numbered 1).

Albania Town Plans: Santi Quaranta 1:25,000 and 1:5,000, and Durazzo 1:75,000. Geographical to rectangular coordinate conversion tables, proof check cards and notes.

Albania 1:200,000. GSGS 4148. Geographical to rectangular coordinate conversion table and proof check cards.

Balkans. Middle Danube East 1:500,000, GSGS 4475. Geographical to rectangular coordinate conversion table and proof check cards.

Corrections to Observed Directions on the Lambert Mediterranean and Danube Zones. Published explanatory booklet.

Serbo-Albanian Boundary Commission. Correspondence from British Commissioner Serbo-Albanian Boundary Commission and M.I.4.

Trig List, Vis Island, Yugoslavia. List of coordinates and heights.

Pendulum Stations and Gravity Base Net Map, 1:4,000,000. By TUHUM [Türk Harita Umum Müdürlüğü] [General Directorate of Turkish Cartography]

*Maps not otherwise held in BL collection.