Wing models with curved (cambered) airfoil sections tested by Samuel Langley on a whirling arm at the Smithsonian Institution, circa 1893.
Transferred from the Smithsonian Institution to the United States National Museum.
Date: 1887-1903
Country of Origin: United States of America
Dimensions:
Rotor/Propeller: 22.9 x 4.4 x 3.8cm (9 x 1 3/4 x 1 1/2 in.)
Materials:
Wood.
Physical Description:
Airfoil section, possibly used on Langley whirling arm. Round base has female fitting. Appears to be companion piece to catalog number A19820677000.
