Cover Page

Man in Space A National Historic Landmark Theme Study

Variable Density Tunnel

Exterior view of VDT in Building 582, 1929.
(Photo by NACA, NASA/Langley Research Center Archives)

Modern exterior view of VDT in Building 582, 1984.
(Photo by NASA, NASA/Langley Research Center Facilities Office)

Diagram of Variable Density Tunnel
(Source: Wind Tunnels of NASA, Donald D. Baals)

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Variable Density Tunnel

Last Modified: Mon, Jan 8 2001 10:00:00 am PDT
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