Exit Tunnel
Elton W. Miller, the chief of aerodynamics at Langley Research Center, stands in the exit cone of a wind tunnel in 1927 gazing at the Sperry M-1 Messenger.
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Elton W. Miller, the chief of aerodynamics at Langley Research Center, stands in the exit cone of a wind tunnel in 1927 gazing at the Sperry M-1 Messenger.