British types in course of development are illustrated and briefly described: Bristol helicopter; Cierva helicopters; Fairey Gyrodyne; Westland-Sikorsky S.51; Irvin-Bell 47B.
Rotating-wing aircraft
Flight
Flight ; 52 , n 2020
1947
2 pages
Article (Journal)
English
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Engineering Index Backfile | 1943
Engineering Index Backfile | 1937
Engineering Index Backfile | 1943