Sea and air navigation
Subtitle: being the Halley lecture delivered on 3 June 1941
By: by W.M. Smart ...
Series: The Halley lecture -- 1941.; Halley lecture -- 1941.
Publisher: Oxford university press, H. Milford
Published: 1941
Place of publication: London
Language: eng
Number of pages: 48
Subjects: Navigation.; Navigation (Aeronautics)