Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin: United States of America
Rotor/Propeller: 100.5 x 16.7 x 28.3cm (39 9/16 in. x 6 9/16 in. x 11 1/8 in.)
Storage: 107.8 x 34.6 x 15.2cm (42 7/16 x 13 5/8 x 6 in.)
Steel; Unidentified wood; Doped fabric
Propeller of the style used on Langley experimental flying model aircraft, 1896 to 1903. Construction is wooden frame covered with frabic, metal hub. This one probably used for aerodynamic testing only.