Supplied as 3 separate A3 deskmats allowing for more flexible use within the classroom. All deskmats are centred on your chosen area at a scale of approximately 1:4500. The set comprises:- recent aerial photograph- up-to-date Ordnance Survey map- historical map from the end of the nineteenth century. Images cover an area of 2km from west to east and 1.45 km from north to south.