The Curtiss-Bleecker helicopter, sans rotor wings, sits in the hanger at the Curtiss airfield in Valley Stream, Long Island, where the flight tests trook place. (Courtesy of Allan Bleecker)
The Curtiss-Bleecker helicopter, sans rotor wings, sits in the hanger at the Curtiss airfield in Valley Stream, Long Island, where the flight tests trook place. (Courtesy of Allan Bleecker)