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After the Ordnance Survey published its first large-scale maps of Ireland in the mid-1830s, the Tithe Act 1836 led to calls for a similar six-inch to the mile survey in England and Wales. Official procrastination followed, but the development of the railways added to pressure that resulted in the Ordnance Survey Act 1841 ( 4 & 5 Vict. c. 30 ...
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.
The Gough Map or Bodleian Map [1] is a Late Medieval map of the island of Great Britain. Its precise dates of production and authorship are unknown. It is named after Richard Gough, who bequeathed the map to the Bodleian Library in Oxford 1809. He acquired the map from the estate of the antiquarian Thomas "Honest Tom" Martin in 1774. [2]
The Ordnance Survey began producing six inch to the mile (1:10,560) maps of Great Britain in the 1840s, modelled on its first large-scale maps of Ireland from the mid-1830s. This was partly in response to the Tithe Commutation Act 1836 which led to calls for a large-scale survey of England and Wales.
The Ordnance Survey Drawings are a series of 351 of the original preliminary drawings made by the surveyors of the Ordnance Survey between the 1780s and 1840 in preparation for the publication of the one-inch-to-the-mile "Old Series" of maps of England and Wales.
One of the first steps in the retriangulation was the adoption of a new projection for the mapping, with the existing Cassini projection replaced by the Transverse Mercator. This was preferred by the Ordnance Survey because the use of the Cassini projection would have resulted in angular distortion of almost four minutes of arc in the survey ...
The Ordnance Survey International or Ordnance Survey Overseas Directorate its predecessors built an archive of air photography, map and survey records for the United Kingdom from 1946 to 1999. The Ordnance Survey International Collection (formerly the Ordnance Survey International Library) held mapping records that were acquired outside the UK.
Close (1969) The early years of the Ordnance Survey. First published in 1924. Includes some of Roy's letters. Hewitt (2011) Map of a Nation: a biography of the Ordnance Survey. Owen & Pilbeam (1992) Ordnance Survey, map makers to Britain since 1791. Available online. Seymour (1980) A History of the Ordnance Survey.