Admiralty manual for the deviations of the compass : originally edited in 1862 /
Great Britain.Hydrographic Department.
Evans, F. J.(Frederick John),1815-1885.
Smith, Archibald,1813-1872.
London, Pub. by H.M. Stationery Office,
1901 (Reprinted 1920)
"Published by order of the lords commissioners of the Admiralty."
Including Addenda - 1928.
Compass.
Magnetism.