Between permanence and latency: the Wind Tunnel in Chalais Meudon as captured by an anonymous—as far as I know—photographer of the NYT in 1935
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'The Altitude Wind Tunnel, built in 1944, could run at 250-425 mph at simulated altitudes of 1000-30,000 feet. It was the only known wind tunnel specifically designed to test aircraft engines at such conditions' nasa.gov/centers/glenn/
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The Boeing P-26A fighter mounted in the 30 x 60 Full Scale Tunnel in 1934 commons.wikimedia.org/wiki/File:The_
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Turning Vanes at Langley in 1991
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The Trudelturm, a vertical wind tunnel for spinning tests located in the 'Aerodynamischer Park' of the Humboldt University in Berlin-Adlershof (1934–36). Photograph by Andreas Pohl
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