This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Collection Item Summary:
"Variable Pitch, Airplane Propeller." Head-on view of a variable pitch airplane propeller, photographed at McCook Field, circa 1918-1919.
Collection Item Long Description:
- Airplanes, Military--Flight testing
- Aeronautics, Military
- Aeronautics, Military--Research