BLADES FOR THE ALTITUDE WIND TUNNEL AWT DRIVE MOTOR FAN IN SHOP SECTION AND TOP OF TUNNEL
Replacement fan blades being unloaded in the shop area prior to their installation in the Altitude Wind Tunnel (8/28/1951).
Image Credit: NASA
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https://www.nasa.gov/image-detail/grc-1951-c-28295/
Image CreditNASA
Size2660x2070px