A helicopter is drawn out in fields by men. Two men carrying out helicopter fabrication process in a factory. Men working on landing gear. Men working on a cone made up of sheet metal which is attached to a worm wheel. Rotor axis is mounted on gear box. View of men working on rotor blades of helicopter which are pivoted universally to the main rotor axis. Men are shown working with fuselage and tail section of helicopter. (World War II period).