Fascinating 1940s Map of Surrey including London

Bartholomew’s Revised "Half-Inch" Contoured Map of Surrey Sheet 9

Richly detailed map showing central London and the North Downs.
Including Aerodromes, Radio stations, Railway Stations, Golf Courses, Youth Hostels, Canals, Hospitals, Schools.
Maps 1 - 3 have 
"Local revisions to date of publication, June 1945 or 1947"
Map 4 has "Revisions to 1960"
And is the first map to show London Airport 

Colour printed and cloth backed.
Scale Half Inch to a Mile

The map covers from, in the West Reading and Basingstoke, to the North Beaconsfield, High Wycombe, Chingford and a very rural Mill Hill.
To the east it covers as far as Brentwood, Grays, Tonbridge and Tunbridge and to the South East Grinstead and Liphook.
The map also covers much smaller Reigate, Aldershot, Dorking, Farnham, Reading and Henley

Map 1 - 1940s - Excellent Condition
Map 2 -1940s -Small holes at the fold joins, slight worn cover
Map 3 - 1940s - Lots of wear along folds, worn cover
Map 4 - 1950s - Excellent Condition (Last 3 photos)
Map 5 - Revisions to 1962 - several folds completely separated
Map 6 - 1940s - Lots of wear along folds, worn cover