Howard Hughes standing under the propeller of a Douglas DC-3.

Howard Hughes (center sitting up in car) in a parade in Houston, Texas in 1938.

Howard Hughes in the Lockheed 14 in Los Angeles, California. Typed on a piece of paper attached to the image: "Howard Hughes off on first leaf of flight to Paris. Los Angeles, Cal. -- Howard Hughes, Millionaire oil man and speed flyer, at the controls of his huge Lockheed "Flying Laboratory" as it took off from here for its leisurely flight to New York, from where Hughes and his crew will fly to Paris and perhaps around the world. 7/4/1938 Credit line (ACME)."

Description given with photo: "Hughes Pilots Radar-Equipped Plane Culver City, Calif. -- First passenger plane equipped with radar is flown in demonstration May 1st by Howard Hughes (left) and co-pilot R.C. Loomis over Culver City. Pilots using this equipment will be warned of approaching obstacles by lights flashing on radar panel. Two lights (lefts) with 2,000-foot range, are used to guarantee clearance over mountains; two lights (right) with 500-foot range, are a safety device for approaches and landings. Either set of lights warns against approaching aircraft. Trans-World Airline plans to install radar on its passenger planes. Credit (ACME) 5-3-47."