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The Ordnance Survey supplies reproductions of its maps from the early 1970s to the 1990s for educational use. These are widely seen in schools both in Britain and in former British colonies , either as stand-alone geographic aids or as part of geography textbooks or workbooks.
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 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 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-third of the Ordnance Survey staff were called up during the war, and the headquarters in Southampton was bombed and badly damaged. [5] Staff were relocated to the Home Counties, where they produced 1:25,000 scale maps of France, Italy, Germany and most of the rest of Europe in preparation for invasion. Primary triangulation observations ...
Early world maps – List of early depictions of the world; Forma Urbis Romae – Marble map of ancient Rome (c.205-208) Geographic information system – System to capture, manage, and present geographic data; Great Trigonometrical Survey – 19th-century survey to measure the Indian subcontinent (India)
Early Ordnance Survey maps show the "Supposed site" of Ati's Cross (from which the Hundred derives its name) a little inland from Pentre Ffwrndan, adjacent to Croes-Ati (or Groes-ati) Mill, at SJ 252730. Croes Ati Lane (and a continuing footpath) at the (modern) edge of Flint town leads to it.
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.