Transferred from the Smithsonian Institution to the United States National Museum.
Date: 1887-1903
Country of Origin: United States of America
Dimensions:
3-D: 61 x 14.9 x 2.4cm (24 x 5 7/8 x 15/16 in.)
Storage: 67.95 x 41.59 x 4.45cm (2ft 2 3/4in. x 1ft 4 3/8in. x 1 3/4in.)
Materials:
Unidentified wood; Original varnish
Physical Description:
Airfoil section used on Langley whirling arm. Perfect arc with maximum depth of curvature 11/16 inches (1.7 cm).
