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barbour The History of the UK Ordnance Survey

 
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PostPosted: Tue 16:43, 24 Sep 2013    Post subject: barbour The History of the UK Ordnance Survey

The world of maps is being altered by computers and this is changing the way we view the globe. This short article provides you with a bit of history about how the Ordnance Survey in the UK started. For more information on digital maps see
In the United Kingdom the national mapping agency is called Ordnance Survey. The original purpose of which was for the military. The OS can trace its roots back to the Jacobite Rebellion in 1745 and the aftermath when King George [url=http://www.thehygienerevolution.com/barbour.php]barbour[/url] II engaged engineer William Roy and artist Paul [url=http://www.1855sacramento.com/peuterey.php]peuterey outlet[/url] Sandby to produce a detailed military survey of the Highlands in 1745. They created a survey that was to a scale of 1 inch to 1000 yards and such was the success of this map that in 1790 the Board of Ordnance chose to do a complete military survey of the British Isles.
In 1791 a new invention became key to mapping and that was the [url=http://www.davidhabchy.com]barbour outlet[/url] Ramsden theodolite. The Board [url=http://www.sandvikfw.net/shopuk.php]hollister outlet sale[/url] of Ordnance worked on [url=http://www.mxitcms.com/tiffany/]tiffany outlet[/url] mapping the south of England using the original surveys that had previously been [url=http://www.mxitcms.com/tiffany/]tiffany[/url] done by William Roy as a guide. The first 1 inch to 1 mile map was published in 1801 which gave a detailed map of Kent in the South East of England, however this was a private commission which finished at the county's borders and it was not long afterwards that another map was published this time by the Board showing the counties of Essex and Kent without too much emphasis on the county borders. This lack of [url=http://www.ilyav.com/uggpascher.php]ugg pas cher[/url] highlighting the borders was to become [url=http://www.ilyav.com/uggpascher.php]boots ugg pas cher[/url] a feature of OS maps. It took around 20 years to map approximately one third of England and Wales and during 1819 Major Thomas Colby walked over 500 miles in 22 days during the survey. Major Colby then transferred to Ireland in 1824 to survey the Emerald Isle and this was completed in 1846.
In 1841 with the boom in the railways, the Ordnance Survey Act came into force and this granted rights to enter properties for the purpose of surveying. Unfortunately, a fire at the Tower of London destroyed the Board's headquarters in 1841 which led to complete disarray for a number of [url=http://www.achbanker.com/home.php]hollister[/url] years with disputes about what scale to use for mapping among other things. The Board of Ordnance relocated to Southampton and the first [url=http://www.mansmanifesto.fr]doudoune moncler homme[/url] 25 inch to 1 mile survey was finished in 1895.
Continuing its military heritage, Ordnance Survey was involved in producing maps of France and the Low Countries during both World Wars and in fact during the Second World War, a map of Holland complete with details of German occupation areas was created and this was just the sort of information that was vital to the military.
The Davidson committee was set up in 1935 [url=http://www.mquin.com/giuseppezanotti.php]giuseppe zanotti sneakers[/url] to review the future of the OS and the then Director General, Major-General Malcolm MacLeod arranged for concrete trig points [url=http://www.1855sacramento.com/woolrich.php]woolrich bologna[/url] to be built on prominent hilltops throughout the entire United Kingdom. The purpose of these points was to create a constant position for theodolites to carry out accurate measurements. The final report by the Davidson Committee set the course for OS to move forward in the twentieth century with the metre as the new unit of measurement. A trial map was introduced with a scale of 1:25000. As time and technology have advanced, so too has Ordnance Survey and in 1995 OS had digitised approximately 230,000 maps. The United Kingdom became the first country in the world to have such a large databank of electronic mapping. Ordnance Survey is no longer a military agency but still has government agency status.
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