Aerodrome map : showing R.A.F. and civil aerodromes, and prohibited areas /
Great Britain.War Office.General Staff.Geographical Section.
[London] : Air Ministry,
1920.
The base map is from the London Atlas Series pub. by Edward Stanford.
"January 1920".
"G.S.G.S. No. 2930".
Inset: Orkney and Shetland.