Engineers see demonstration of Helicopter built by Leinweber Brothers.
Chicago Illinois USA Date:1949, November Duration:2 min 10 sec Sound:NO SOUND
Men towing early model helicopter from shed-type building. Demonstration of controls given by Engineers. A Douheret helicopter can be seen. Frenchmen watching demonstration of the French helicopter Douheret. View of rotor blades. Pilot sitting at controls of the helicopter. Helicopter attempts to take off and turns over on side, Pilot runs clear of the accident and then runs back in and attempts to turn off the engine.
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