A Brief Description of the National Grid and Reference System |
Common terms and phrases
100 Km square basic unit central meridian containing our point convenient curved surface Davidson Committee definition of position denoting the hundreds diagram of grid digits of Kms figures are shown figures in small Full Kilometre Reference Full National Grid full reference geometric properties grid incidence grid line bounding Hundred Metre Reference hundreds of Kms intervals of 100 large scale plans large scale surveys large type MAJESTY'S STATIONERY OFFICE maps and plans maps the grid margin medium scale maps Metres Full Mile and Quarter National Grid Reference national projection national system nearest 10 metres nearest metre Normal Kilometre Reference Normal National Grid Ordnance Survey orthomorphic plan number points lying prefixed Principal Triangulation Quarter Inch maps REFERENCE SYSTEM representing the hundreds scale plan containing single figures Six Inch maps small and medium small scale maps small type south-west corner system of numbering tertiary triangulation throughout Great Britain unique throughout University of California