Aircraft. Purchase of Fairfax Naulty inventions in aviation, hearings, 71st Congress, 1st [2d] session, on H. R. 720 and H. R. 721, bills for purchase of certain inventions, designs, and methods of aircraft, aircraft parts, and aviation technique of Edwin Fairfax Naulty and Leslie Fairfax Naulty, of New York, Apr. 18, 1930.

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