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This file is licensed by the Ordnance Survey of the United Kingdom under their OS OpenData License In short: you are free to distribute and modify the file as long as you attribute (including year), the Ordnance Survey.
The Ordnance Survey produces a wide variety of different products aimed at business users, such as utility companies and local authorities. The data is supplied by the Ordnance Survey on optical media or increasingly, via the Internet. Products can be downloaded via FTP or accessed 'on demand' via a web browser.
Their map is based on surveys carried out in 1821 and 1840. [7] Ordnance Survey maps show a lock around 600 yards (550 m) below Blyford bridge, which prevents tides from passing further upstream, a second just above Blyford bridge, a third just upstream of Wenhaston railway bridge, allowing the navigation to bypass Wenhaston corn mill, and a ...
If the map being drawn is a small-scale map (less than 1:500 000 according to Imhof), rules may be relaxed in order to obtain a more suggestive representation. Hachures are still used today on Large Scale maps to show slopes and on British Ordnance Survey Maps and also in various countries toposheets to show Road and Railway Cutting and ...
Ordnance Survey cross symbols Used on Ordnance Survey maps to represent churches and chapels. A cross on a filled square represents a church with a tower; and a cross on a filled circle represents a church with a spire. Churches without towers or spires are represented by plain Greek crosses.
His main focus at Exeter was the history of the Ordnance Survey. He produced notes for the David and Charles reprints of the first edition one-inch maps, wrote Ordnance Survey Maps: a Descriptive Manual (1975), and a substantial part of the official history of the Ordnance Survey (1978). From the 1970s Harley turned to a philosophical view of maps.
Ellis Martin (1881–1977) was an English commercial artist. For most of his working life he was employed by Britain's map making organisation the Ordnance Survey, for which he performed painting, drawing and calligraphy for their map and book covers, and for their advertisements. He was the first person to be employed by the Survey ...
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 ...