Frontiers of Flight

IN the thirty-two years which covers the life of the National Advisory Committee for Aeronautics the United States has successfully waged two world wars in which the airplane was a major weapon. The international climate during these years and the growth of civil aviation simulated the development of new methods and facilities for aeronautical research andthe expansionof the Committee's laboratories and staff. Mr. Gray has made a comprehensive and comprehending surveyof the manifold contributionsof the NACA staff to the advancement of aeronautical science. He necessarily hadto make a selectionof their major contributions to the solution of the scientific problems of flight, here recorded as a part of American History."Frontiers of Flight"is an authoritative account of the scientific progress underlying the remakable development of American aircraft, especially during the priod of World War II.