Full title reads: "Berlin. Aviation's latest wonder. Whole under-carriage folds up during flight into wings of Germany's latest postal plane."
SV of Heinkel monoplane with engine running. The aeroplane takes off. Plane flies overhead showing that the landing gear...
Mad American demonstrates safety features on plane - by climbing out of the cockpit while in flight.
A biplane with a steam engine and a propellor that can switch to reverse.
Footage of aviator Jimmy Mattern and off a new innovation in flight - towing 3 gliders at once.
A new design of autogyro is demonstrated at Hanworth Airfield.
Plane that lands on water or on ground but has to be catapulted to fly - interesting.
The latest German flying ship takes to the sky, Lake Constance, Switzerland.