Martin's air navigation : (officially recommended by the Air Ministry for study by candidates for the 2nd class navigator's licence) /
Martin, Clifton William.
London : Eversley Press,
1938.
Includes index.
"This edition complies with the latest Air Ministry syllabus, including the new syllabus for Meteorology to be brought into force January 1st, 1940."
Navigation (Aeronautics)
Meteorology in aeronautics.