1952
The History of the Helicopter
Directed by Sarah Erulkar
A documentary tracing the development of the helicopter from the original Da Vinci drawings to the modern versions actually in service in 1951.
Duration
0h 20m
Released
January 1, 1952
A documentary tracing the development of the helicopter from the original Da Vinci drawings to the modern versions actually in service in 1951.
Duration
0h 20m
Released
January 1, 1952
