Ordnance Survey - 20th Century

1. Boundary Commission Lo Wu New Territories Hong Kong 1922 2. Ordnance Surveyors Off To Boer War - Nash 3. OS Revision Section Ramsgate 1907 - OS 4. S Africa War medal presentation at OS Sept 1901 - OS
5. Surveyors at Stoke on Trent 1911 - OS 6 OS Civil and Military Officers 1927 - Album 7 OS Trig and Levelling Division 1932 - Album 8. Ordnance Survey Group Date Unknown