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Automatic Equilibrium Device, Langley

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This object is on display in the Boeing Aviation Hangar at the Steven F. Udvar-Hazy Center.


Automatic equilibrium device designed by Samuel Langley, and tested on the Langley Aerodrome Number 5, 1895.

Transferred from the Smithsonian Institution to the United States National Museum.

Manufacturer: Smithsonian Institution

Date: 1887-1903

Country of Origin: United States of America

Dimensions: 3-D: 96.5 x 22.9 x 13.3cm (38 x 9 x 5 1/4 in.)

Materials: Overall: Metal

Physical Description:Automatic equilibrium device tested in 1895 on Langley Aerodrome Number 5.

Inventory number: A19820653000

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