The observer's book on dead reckoning navigation
By: by W. J. D. Allan and William Alexander.
Contributors: Alexander, William, aviation instructor.
Series: Observers books,; no. 2
Publisher: G. Allen & Unwin ltd.
Published: 1941
Place of publication: London
Language: eng
Number of pages: 99
Subjects: Navigation (Aeronautics)
Other titles: Dead reckoning navigation.
Notes: "First published in October 1940 ... Third impression April 1941."