Notes on compass work
Kemp, J F
Notes on compass work - London Stanford maritime 1962 - 111p.
853090467
Gyroscopic compass Magnetic compass Ship design - compass work
531.716 / KEM
Notes on compass work - London Stanford maritime 1962 - 111p.
853090467
Gyroscopic compass Magnetic compass Ship design - compass work
531.716 / KEM