The helicopter

by Hollingsworth Franklin Gregory

14 Members

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The Army's First Helicopter; Futher Developments; Here it,fly it; The GYROPLANE; Eyes for the big Guns; Back to the NACA; The Army's first rotary-wing-aircraft School; The army's Second helicopter and more. Many pictures.

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Hollingsworth Franklin Gregory
2 Works 20 Members

Classifications

Genre
Nonfiction
DDC/MDS
629.133 — Technology Engineering Other branches of engineering Aviation Aviation engineering
LCC
TL716 .G68 — Technology Motor vehicles. Aeronautics. Astronautics Motor vehicles. Aeronautics. Astronautics Aeronautics. Aeronautical engineering
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14
Popularity
1,671,064
Languages
English
Media
Paper
ISBNs
1
ASINs
1