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The Ordnance Survey Great Britain County Series maps were produced from the 1840s to the 1890s by the Ordnance Survey, with revisions published until the 1940s. The series mapped the counties of Great Britain at both a six inch and twenty-five inch scale with accompanying acreage and land use information.
The maps were published at one inch to the mile (1:63,360) using the Ordnance Survey One Inch 'Popular Edition' (the 4th Edition) as the base. Publication of maps and reports began in 1933 and was completed in 1948 after interruption by World War II , though sheets were published in every year from 1933 to 1948 with the exception of 1941 (Stamp ...
In 1854, "twenty-five inch" maps were introduced with a scale of 1:2500 (25.344 inches to the mile) and the six inch maps were then based on these twenty-five inch maps. The first edition of the two scales was completed by the 1890s, with a second edition completed in the 1890s and 1900s.
Mapping the World: History of the Directorate of Overseas Surveys, 1946-85, Ordnance Survey, 1996-03, Stationery Office Books, ISBN 978-0-11-701590-6. Mapping for Development, the Contributions of the Directorate of Overseas Surveys, G McGarth, Cartographica Vol 20 Nos 1 & 2, 1983. An evaluation of the Directorate's mapping processes and ...
The Great Britain Historical GIS (or GBHGIS) is a spatially enabled database that documents and visualises the changing human geography of the British Isles, [1] although is primarily focussed on the subdivisions of the United Kingdom mainly over the 200 years since the first census in 1801.
The first Ramsden theodolite as used by Roy. (Destroyed by bomb damage in 1941.) In the aftermath of the Jacobite rising of 1745 it was recognised that there was a need for an accurate map of the Scottish Highlands and the necessary survey was initiated in 1747 by Lieutenant-Colonel David Watson, a Deputy Quartermaster-General of the Board of Ordnance.
100km squares Grid square TF. The map shows The Wash and the North Sea, as well as places within the counties of Lincolnshire, Cambridgeshire and Norfolk.. The first letter of the British National Grid is derived from a larger set of 25 squares of size 500 km by 500 km, labelled A to Z, omitting one letter (I) (refer diagram below), previously used as a military grid. [4]
[4] [5]: 44–45 [6]: 1 [7] A succession crisis in France led to the Hundred Years' War (1337–1453), a series of conflicts involving the peoples of both nations. Following the Hundred Years' Wars, England became embroiled in its own succession wars between the descendants of Edward III's five sons.