The Helicopters (The Epic of Flight) by Warren R. Young (.PDF)
File Size: 128 MB
The Helicopters (The Epic of Flight) by Warren R. Young
Requirements: .PDF reader, 128 MB
Overview: Traces the development of the autogiro and helicopter, shows how helicopters have been used in war, and looks at various models in use.
Genre: Non-Fiction > History
Free Download links: