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The National Library of Scotland has been developing its archive to make Ordnance Survey maps for all of Great Britain more easily available through their website, [96] whilst the Society for All British and Irish Road Enthusiasts (SABRE) also has a large easily available archive for large numbers of Ordnance Survey maps across all of Great ...
The OS MasterMap is the premier digital product of the Ordnance Survey. It was launched in November 2001. It is a database that records every fixed feature of Great Britain larger than a few meters in one continuous digital map. Every feature is given a unique TOID (TOpographical IDentifier), a simple identifier that includes no semantic ...
The Unique Property Reference Number (UPRN) is a unique number (a geocode) for every addressable location—e.g., a building, a bus stop, a post box, a feature in the landscape, or a defibrillator—in Great Britain. [1] Over 42 million locations have UPRNs, which can be found in Ordnance Survey's AddressBase databases. [1]
The Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), [1] [2] is a system of geographic grid references, distinct from latitude and longitude, whereby any location in Great Britain can be described in terms of its distance from the origin (0, 0), which lies to the west of the Isles of Scilly.
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.
An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...
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The Ordnance Survey maintains a mapping database from which they can print specialist maps at virtually any scale. [60] The Ordnance Survey National Grid divides Great Britain into cells 500 km, 100 km, 10 km and 1 km square on a Transverse Mercator grid aligned true north–south along the 2°W meridian. OS map products are based on this grid.