Helicopters and other VTOLs
By: by Hal Hellman.
Edition: [1st ed.]
Publisher: Doubleday
Published: 1970
Place of publication: Garden City, N.Y
Language: eng
Number of pages: 140
Subjects: Helicopters.; Vertically rising aircraft.; Helicopters.; Vertically rising aircraft.
Description: Discusses the structure, development, importance, uses, and future of helicopters and other vertical-lift aircraft.
Notes: Bibliography: p. [131]-135.