9417208008_8808984f6c_k - from our story 'Incredible Photos of Vintage NASA Wind Tunnels'

8x6-Foot Supersonic Wind Tunnel (C-1949-23277): The stator case of the 8 x 6 SWT’s seven-row compressor can be opened for inspection and maintenance. Three electric motors totaling 87,000 horsepower turn it. Note the toriod-like screen at the compressor’s inlet.

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