Ordnance Survey
Videos
The Ordnance Survey is the national mapping agency for Great Britain. The agency's name indicates its original military purpose, which was to map Scotland in the wake of the Jacobite rising of 1745. T
Pollokshaws on Roy's Military Survey of Scotland (1747–1755)
The original 1810 draftsman's drawings for the area around St Columb Major, Cornwall.
Detailed scan of a complete 7th series sheet
Grid square TF from the Ordnance Survey National Grid at 1:250,000 scale. Shown: the Wash, the North Sea, parts of Lincolnshire, Cambridgeshire and Norfolk.
Surveying
Videos
Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial positions of points based on the distances and angles between them. These points are usually o
A surveyor using a total station
A student using a theodolite in field
Table of Surveying, 1728 Cyclopaedia
A railroad surveying party at Russel's Tank, Arizona, in the 1860s