Description given with photograph: "Howard Hughes in New York after making a high altitude flight from Los Angeles during which he tested a two-ounce oxygen mask."

Howard Hughes (second from left) standing in front of the experimental helicopter XH-17, Flying Crane in October 1952. From left to right: Rea Hopper, Director of the Aeronautical Division, Hughes Aircraft Company; Howard Hughes; Clyde Jones, Director of Engineering, Hughes Tool Company Aeronautical Division; Warren Reed, Assistant; Colonel Carl E. Jackson, Air Research and Development Headquarters, Baltimore; Gale J. Moore, Pilot; and Chal Bowen, Flight Engineer/Co-pilot.

The black and white view of Howard Hughes plane in flight over New York City, July 1938

Description given with photograph: "Howard Hughes (right) is shown with co-pilot Glenn E. Odekirk after their one stop flight from Seattle to Glendale."

A view of Grover Whalen, Howard Hughes, and Al Lodwick riding in the back of an automobile during a parade procession. Description printed on photograph's accompanying sheet of paper: "Howard Hughes (center), Grover Whalen (Left) and Albert Lodwick during the New York reception for Hughes after completing his round-the-world flight. 7/15/38."

A view of (from left to right) Los Angeles Mayor Frank L. Shaw, Howard Hughes, Will Hays, and California Governor Frank Merriam posing together for pictures at a banquet held for Howard Hughes in the Biltmore Hotel in Los Angeles, California.

Lily Pons (left) and Howard Hughes (right). Text printed on an attached strip of paper: "Noted flier and his hostess at cocktail party Los Angeles, Cal. -- Howard Hughes, noted flier, with Lily Pons, singing star, as he attended the cocktail party given by Miss Pons at the Beverly Wilshire Hotel. Credit Line (ACME) 11/8/38 NY LOND PAR."