Admiralty Manual copy of the Deviations of the Compass, 1862, 1920 and Elementary Manual for the Deviations of the Compass in Iron Ships by E. W. Creak, 1891, 1895 and 1912
Admiralty Manual copy of the Deviations of the Compass, 1862, Admiralty and Admiralty Manual copy of the Deviations of the Compass, 1920, Elementary Manual for the Deviations of the Compass in Iron Ships by E. W. Creak, 1891, 1895 and 1912