Transferred from the Smithsonian Institution to the United States National Museum.
Date: 1887-1903
Country of Origin: United States of America
Dimensions:
3-D: 59.1 x 18.3 x 2.5cm (23 1/4 x 7 3/16 x 1 in.)
Storage: 65.41 x 47.94 x 4.45cm (2ft 1 3/4in. x 1ft 6 7/8in. x 1 3/4in.)
Materials:
Unidentified wood; Unidentified metal; Steel
Physical Description:
Airfoil section used on Langley whirling arm. Parabolic curve with high point 1 3/4 inches (4.4 cm) back of leading edge and maximum depth of curvature 15/16 inches (2.4 cm).