Materials depict the Hughes H-1 Racer in 1937. The photographs primarily depict Howard Hughes standing with the plane or in the plane's cockpit. The plane was designed by Glenn Odekirk and built by Hughes Aircraft Company in 1935, the first plane produced by the company. Hughes broke several records in the H-1, including the landplane speed record in 1935. In 1937, Hughes broke his own transcontinental speed record by flying from Los Angeles, California to New York City, New York in 7 hours, 28 minutes. Despite its speed, Hughes was unable to sell the H-1 to the U.S. military.

Materials contain photographic prints, photographic slides, and photographic negatives of Boulder City, Nevada from 1930 to 1969. The photographs depict buildings in Boulder City, including City Hall, the Bureau of Reclamation headquarters, the Boulder Theatre, the Boulder Dam Hotel, the Boulder City airport, the Visitors Bureau, businesses, and houses.