Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin: United States of America
3-D: 61 x 15.2 x 0.3cm (24 x 6 x 1/8 in.)
Wood, Brass, Rubber.
Airfoil section used on Langley whirling arm. Flat plate. 5/8 inches (1.6 cm) wide brass spine reinforcement in center. 3/8 inches (1.0 cm) wide brass reinforcements laminated in both ends.