Transferred from the Smithsonian Institution to the United States National Museum.
Date: 1887-1903
Country of Origin: United States of America
Dimensions:
3-D: 62.2 x 19.7 x 2.5cm (24 1/2 x 7 3/4 x 1 in.)
Storage: 70.5 x 45.4 x 4.1cm (27 3/4 x 17 7/8 x 1 5/8 in.)
Materials:
Unidentified wood; Original Varnish; Brass
Physical Description:
Airfoil section used on Langley whirling arm. Parabolic curve with high point 1 1/2 inches (3.8 cm) back of leading edge and maximum depth of curvature 3/4 inches (1.9 cm). Dowel of 5/8 inches (1.6 cm) screwed to bottom of surface as mounting component of some kind and a preservative coating.
