Transferred from the Smithsonian Institution to the United States National Museum.
Country of Origin: United States of America
3-D: 61 x 15.6 x 2.5cm (24 x 6 1/8 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.)
Unidentified wood; Original Varnish; Brass; Unidentified metal
Airfoil section used on Langley whirling arm. Perfect arc with maximum depth of curvature 1 inch (2.5 cm). Brass, 1/4 inch (0.6 cm) wide, reinforcements on each end of airfoil section. Object is primarily made of wood, but contains brass supports on the edges.