The helicopter
Subtitle: history, piloting, and how it flies
By: by John Fay ; illustrated by Lucy Raymond, David Gibbings, Dulcie Legg.
Edition: 3d rev. ed.
Publisher: David & Charles
Published: 1976
Place of publication: Newton Abbot; North Pomfret, Vt
Language: eng
Number of pages: 194
Subjects: Helicopters
Notes: Bibliography: p. 187-188.
Previous ed. published under title: The helicopter and how it flies.
Includes index.