The system will be down for regular maintenance starting at 4:00 PM CST (21:00 UTC) on July 5. The site will return to regular operation as soon as possible.
Study of wing flutter. Part II. Continuation of tests on revised apparatus at Wright Field wind tunnel (Supplement to Part I--Test of apparatus and discussion of procedure A.D.M. 1014, dated October 20, 1928) (airplane branch report)
Greene, Carl F.
Younger, John E.