Keywords: blackandwhite monochrome performer musician people black and white (A-350705): The 2 x 2 TWT, as seen from the roof of the Full-Scale Tunnel. The large cooling section is evident, with the drive section behind it. Note the pipes for air extraction and reintroduction that are routed to compressors located under the NFAC’s floor at right. The test section is inside the corrugated metal lean-to structure at left. (A-350705): The 2 x 2 TWT, as seen from the roof of the Full-Scale Tunnel. The large cooling section is evident, with the drive section behind it. Note the pipes for air extraction and reintroduction that are routed to compressors located under the NFAC’s floor at right. The test section is inside the corrugated metal lean-to structure at left. |