Collectible - Very Good
SIGNED/INSCRIBED! Hampton, VA: NASA, Langley Research Center, 1994. 4to. xii,156pp. Illus. Inscribed by author on title page: "Dec. 17, 1997 / Tom, I appreciate your efforts over the years of helping build the best Museum program ever! In 1981, the NASM let me borrow a high speed F-106 model to evaluate a vortext flap concept. The F-106 vortext flap flight experiments were completed in 1991. Thanks again, Jim Campbell." Very Good book. Signed letter from author laid in. From the library of American aeronautics author, historian and curator Tom D. Crouch. (flow visualizations, vortex-motion) Inquire if you need further information.