Aeronautics - 7th Annual Report - National Advisory Committee for Aeronautics - 1921


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GPO, Washington, 1921. 58pp, 9x11.25", wrps. Contents include: Legislation, Aerological Service (Weather), Industry, Military, Scientific Research, Air Mail Service and, Helium and Airships. Includes a letter of transmittal to the Aerial League of America signed by John F. Victory, Assistant Secretary of the NACA, and its first paid employee. (NACA existed from 1915 to 1958, then became NASA) Very good, several small cover edge chips.