Typed onto a piece of paper attached to the image: "As Hughes Visited Washington To Thank Cordell Hull, Washing, D. C. -- Police escorting Howard Hughes holding hat, through the admiring throungs at the Washington Airport as the intrepid flyer and his four companions on his Round-The-World flight came to the Capital, July 21st, to personally thank Secretary of State Cordell Hull for his cooperation in clearing their take-offs on their flight. Credit Line (ACME) 7/21/38."

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

A view of Howard Hughes (wearing headphones, left) inside and at the controls of the Spruce Goose in San Pedro, California.

A view of Howard Hughes (wearing headphones, left) inside and at the controls of the Spruce Goose in San Pedro, California.

An unidentified group of people in front of a Boulder City school in Boulder City, Nevada.

Image of store fronts in Boulder City, inclduing Boulder City Co Stores

The up close view of Howard Hughes being escorted through a crowd of people at Floyd Bennett Airfield in New York. Description printed on photograph's accompanying sheet of paper: "Howard Hughes at Floyd Bennett Airport after his round the world flight 7-14-38. (Press Association)"