Stall recovery and stall warning instrumentation in a light airplane,

A report on research conducted by the Educational Research Corporation.

Aircraft engine maintenance,

Photoprinted.

The natural pilot model for flight proficiency evaluation

Cover title.

Flight tests of the ramjet on aircraft designed by N. N. Polikarpov in 1939-1940

Photocopied from an unknown journal or work.

Approximate solutions to optimum flight trajectories for a turbo-jet powered aircraft,

"Purdue Research Foundation. Research project no. 1255. Project Ae-25. This research was supported by the National Advisory Committee for Aeronautics, Washington, D. C., under Contract no. NAW-6465."

Variable stability research aircraft. Submitted to the Panel on Acceleration Stress of the Armed Forces, National Research Council Committee on Bio-Astronautics, Woods Hole Conference, 16-24 July, 1959.

Cover title.