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A documentary tracing the development of the helicopter from the original Da Vinci drawings to the modern versions actually in service in 1951. |
The History of the Helicopter1/1/1952Imdb: tt15590066Tmdb: 955553Popularity: 0.322Vote: 6/10 (1) |
A documentary tracing the development of the helicopter from the original Da Vinci drawings to the modern versions actually in service in 1951. |