England South East & London. Military Edition. Sheet 12
Ordnance SurveyOriginal linen backed Ordnance Survey map of England South East and London (Sheet 12), 1/4 inch to 1 miles scale. Military Edition, 1939. Folded
A fascinating wartime issue, headed NOT TO BE PUBLISHED. Includes militarily sensitive information, such as Landing Grounds, Water Aerodromes and Seaplane Mooring Areas.