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Keywords: blackandwhite monochrome symmetry architecture black and white (1957-L-00959): The later slotted-wall test section of the 8-Foot HST. Note the curved re-entry baffle at the end of each slot and the turning vanes in the background. The turning vanes were original equipment. (1957-L-00959): The later slotted-wall test section of the 8-Foot HST. Note the curved re-entry baffle at the end of each slot and the turning vanes in the background. The turning vanes were original equipment. |