An introduction to d. r. navigation
By: by R. W. House and L. St. J. French.
Contributors: French, L. St. J., joint author.
Publisher: Printed by H. Henry ltd.
Published: 1940
Place of publication: [Prestiwck, Eng
Language: eng
Number of pages: 30
Subjects: Navigation (Aeronautics)
Notes: "First edition, May 1940; 2nd edition, Nov. 1940."