Marine electronic navigation
Appleyard, S. F.
Linford, R. S.
Yarwood, P. J.
Grant, G. A. A.Ship's compass, including general magnetism.
London Routledge & Kegan Paul
1987
Previous ed.: 1980
Includes index
Incorporating The gyro-compass / G.A.A. Grant and J. Klinkert reprinted from The ship'scompass, including general magnetism, 1952.
Electronics in navigation.