Description
5 vols. (wrappers) (Aviation.) Hearings Before The President's Aircraft Board. Washington: G.P.O., 1925. 4 vols., orig. wrappers. Minor wear. * "Aircraft in National Defense. Message from The President of The United States." Washington: G.P.O., 1925. U.S. Senate, 69th Congress, 1st Session. 8vo, orig. wrappers (some darkening). Internally clean.