The Ordnance Survey (OS) represents a national institution, everyday product and unsung endeavours since 1791. Our nation was first painstakingly mapped with chains, interwar it was updated using theodolite - introducing the distinctive trig pillar - and since has been refined by satellite positioning and aerial survey.
Though synonymous with paper maps, app usage and sales soaring during lockdown, the business of digital geographic data forms over 90 per cent of OS turnover. This underpins transport, retail, construction, insurance – even buying property or flicking a light switch.
Obtaining the precise
