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| Ordnance Survey One-inch Map | |
|---|---|
| Name | Ordnance Survey One-inch Map |
| Caption | British one-inch topographic sheet |
| Country | United Kingdom |
| Agency | Ordnance Survey |
| Scale | 1:63,360 |
| First published | 19th century |
| Last published | 20th century |
Ordnance Survey One-inch Map is a historic topographic map series produced for the United Kingdom at a scale of 1 inch to 1 mile (1:63,360). Commissioned and published by Ordnance Survey, the series became a foundational cartographic resource for rural planning, navigation, and scientific study across Great Britain and Ireland. Its sheets documented landscapes from the Scottish Highlands to the Isle of Wight, influencing institutions such as the Royal Geographical Society, the National Trust, and the Royal Commission on the Historical Monuments of England.
The one-inch series traces origins to early 19th-century surveys led by figures associated with the Board of Ordnance, inspired by continental work like the Cassini map projects and contemporary efforts from the Survey of India. Early military and civilian demands during events including the Napoleonic Wars and the Crimean War accelerated large-scale mapping. Subsequent developments paralleled advances at organizations such as the Royal Observatory, Greenwich, the Admiralty, and surveying reforms advocated by Sir George Everest and his contemporaries. The series was expanded through the Victorian era alongside projects from the British Geological Survey and was revised extensively after geopolitical shifts around the First World War and the Second World War.
Cartographic conventions on the series combined techniques promulgated by the Royal Society, the Institution of Civil Engineers, and cartographers influenced by the work of John Rocque and Aaron Arrowsmith. Map symbology incorporated topographic representation akin to that used by the École nationale des sciences géographiques methods and bathymetric practices used by the Hydrographic Office. The sheets displayed relief using hachures and later contouring similar to techniques refined by Alexander K. Johnston and John Bartholomew. Place-name standardization invoked authorities such as the Imperial Gazetteer of England and Wales and coordination with the Public Record Office. The series’ grid references aligned with triangulation frameworks advanced by the Ordnance Survey of Ireland and influenced by instruments developed at the Royal Institution laboratories.
Production relied on lithography and engraving workshops that echoed processes used by the Bank of England printing works and presses like those employed by the Times printing office. Plates were engraved by artisans trained in studios linked to the Society of Arts and printed using presses similar to industrial units at the Victoria and Albert Museum archives. Colouring and legend work paralleled cartographic practice at the British Museum map room and coordination with paper supplies from mills in Scotland and Wales. Logistics for distribution tapped postal and transportation networks referencing hubs such as Euston Station, Liverpool Docks, and the Great Western Railway to reach users across counties including Cornwall, Kent, Cumbria, and Suffolk.
The one-inch mapping underwent distinct editions influenced by surveys akin to the Tithe Commutation Act surveys and cadastral updates like those maintained by the Land Registry. Notable series revisions corresponded with national initiatives similar to census-driven revisions by the Registrar General and land-use changes following legislation comparable to the Agricultural Holdings Act. Series nomenclature and sheet numbering reflected administrative counties such as Surrey, Yorkshire, Lancashire, and Devon. Special editions covered urban zones analogous to work done for London, industrial districts like Birmingham, and upland areas including the Lake District and the Brecon Beacons.
Users ranged from recreational walkers affiliated with the Ramblers' Association to professionals at the Royal Engineers, surveyors in firms like those near Bristol, and planners at county councils in Norfolk and Derbyshire. Scholars at the University of Oxford, University of Cambridge, University of Edinburgh, and the University of Glasgow employed the maps for historical and geographical research. The series featured in exhibitions at the British Library, educational materials used by schools linked to the Board of Education, and archives curated by the National Archives. Reception included praise from societies such as the Geological Society of London and critique in periodicals similar to the Guardian and the Times Literary Supplement regarding accuracy and update frequency.
The one-inch maps influenced subsequent scales and projects including modern digital initiatives resembling work by the European Space Agency and mapping standards adopted by the Ordnance Survey Northern Ireland. Their cartographic conventions informed atlases published by houses like Harvard University Press and inspired conservation mapping used by the Royal Society for the Protection of Birds and the World Wide Fund for Nature. Collections are preserved in institutions such as the National Library of Scotland, the Cambridge University Library, and the Scottish National Galleries. The series’ methodologies echo in contemporary geospatial frameworks at the United Nations agencies and remain a reference for historians studying landscapes from the Industrial Revolution through postwar reconstruction.
Category:Maps of the United Kingdom