Label
Helicopters + History
Name
Helicopters + History
Incoming Resources
- Airmobility, 1961-1971, by John J. Tolson
- The god machine, from boomerangs to black hawks, the story of the helicopter, James R. Chiles
- Airmobility, 1961-1971, by John J. Tolson
- 'Heelicopter', pioneering with Igor Sikorsky : based on a personal account, by William E. Hunt
- The problem of the helicopter, by E.P. Warner
- The Bell notes : a journey from physics to metaphysics, Arthur M. Young