The observer's book on dead reckoning navigation
By: by W. J. D. Allan and William Alexander.
Contributors: Alexander, William, aviation instructor.
Series: Half-title: Observers books,; no. 2
Publisher: Chemical publishing co. inc.
Published: 1941
Place of publication: New York
Language: eng
Number of pages: 99
Subjects: Navigation (Aeronautics)
Other titles: Dead reckoning navigation.
Notes: "First published in U.S.A. 1941."
Printed in Great Britain.