1956 NACA wind tunnel wall jacks. Original caption: "FLEXIBLE WALL JACKS FOR THE 10X10 FOOT WIND TUNNEL".
Fullsize image: https://s3-us-west-1.amazonaws.com/h...s_fullsize.jpg
Previously:
NASA wind tunnel actuators - photo
Constructing NACA's wind tunnel propellers - GIF
Supersonic wind tunnel compressor - photo
Bookmarks