VACUUM TEST CHAMBER IN THE ALTITUDE WIND TUNNEL AWT
A crane inserts a 31 foot diameter bulkhead into the Altitude Wind Tunnel (AWT) to divide the interior space into two test chambers (11/21/1961).
Image Credit: NASA/MARTIN BROWN
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https://www.nasa.gov/image-detail/grc-1961-c-58551/
Image CreditNASA/MARTIN BROWN
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