Stock Photo - A 1/40 scale model of the airship Akron in the Full-Scale wind tunnel at the National Advisory Committee of Aeronautics Laboratories at Langley Field, Virginia, USA, in January 1935.

Stock Photo: A 1/40 scale model of the airship Akron in the Full-Scale wind tunnel at the National Advisory Committee of Aeronautics Laboratories at Langley Field, Virginia.

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