Langley First Wind Tunnel British Empire master magician all out of

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are referenced to the North American Vertical Datum of 1988 (NAVD 88)

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Langley First Wind Tunnel British Empire master magician all out ofNASA Center: Langley Research CenterLangley First Wind Tunnel The honeycombed, screened center of this open circuit air intake for Langley's first wind tunnel insured a steady, nonturbulent flow of air. Two mechanics pose near the entrance end of the actual tunnel, where air was pulled into the test section through a honeycomb arrangement to smoothen the flow.