Radio microphone used by Northwest Airlines personnel, c.1950.

Insulated canister used to keep food warm in airline meal service. The canister, which contains eight plastic bowls, was used by Northwest Airlines, c.1950s.

Charles Lindbergh in the living room of his restored boyhood home, 1971.

Charles Augustus Lindbergh with a plane propeller, c.1971.

Charles Augustus Lindbergh testifying at the Air Mail Hearing before the Senate Post Office Committee, March 16, 1934.

Charles and Anne Lindbergh in flight suits next to Lockheed Sirius during their flight across the Northern Pacific, c.1931.

Colonel Charles Augustus Lindbergh, c.1928.

Charles Augustus Lindbergh and pilots in Detroit, Michigan, c.1928.

Charles Augustus Lindbergh with the "Spirit of St. Louis," c.1928.

Charles Augustus Lindbergh with the "Spirit of St. Louis," c.1927.