The Online Books Page

Books by Lewis Gray:

Books in the extended shelves:

• Gray, Lewis: Two-dimensional tests of airfoils oscillating near stall. (U.S. Army Aviation Materiel Laboratories, 1968), also by Jaan Liiva and U.S. Army Aviation Materiel Laboratories (page images at HathiTrust)
• Gray, Lewis: Wind tunnel investigation of airfoils oscillating in reverse flow (U.S. Army Aviation Materiel Laboratories, 1970), also by Richard F. Child, David W. Gross, Leo U. Dadone, U.S. Army Aviation Materiel Laboratories, and The Boeing Company (page images at HathiTrust)
• Gray, Lewis: Wind tunnel tests of thin airfoils oscillating near stall. (U.S. Army Aviation Materiel Laboratories, 1969), also by Franklyn J. Davenport, Jaan Liiva, and U.S. Army Aviation Materiel Laboratories (page images at HathiTrust)
• Gray, Lewis: Wind tunnel tests of thin airfoils oscillating near stall. Volume 1, Summary and evaluation of results (Fort Eustis, Virginia : U.S. Army Aviation Materiel Laboratories, 1969., 1969), also by Franklyn J. Davenport, Jaan Liiva, U.S. Army Aviation Materiel Laboratories, and Boeing Company (page images at HathiTrust)

Find more by Lewis Gray at your library, or elsewhere.