Capitain Frank Osborne Creagh-Osborne was Superintendent of Compasses with the British Admiralty and inventor. His various inventions were built by H. Hughes & Son Ltd, Dent & Co & Johnson Ltd, Sperry etc.
This model was used in WW1
Contains Radium. (5.7 micro sievert/h)
If you are the site owner, please renew your premium subscription or contact support.