Description given with photograph: "Howard Hughes tests the Hughes plane. Seattle--Howard Hughes (right), millionaire aviation enthusiast and record holder, shown with Edmund T. Allen, Boeing test engineer, before they made a recent test flight in a Boeing-built Stratoliner. The huge machine was equipped with extra fuel tanks for the test. Hughes did not reveal the reasons for his interest in the four-motored, 30 passenger plane, designed for substratosphere flight."
Description printed on back of photograph: "As Hughes and his crew thanked Hull for cooperation Washington, D. C.-- Howard Hughes and his intrepid companions are shown here as they visited the State Department, July 21st, to thank Secretary Cordell Hull for cooperation on their round-the-world flight. Left to right: Richard Stoddart, Thomas Thurlow, Howard Hughes, Secretary of State Cordell Hull and Harry Connor. Credit Line (ACME) 7/21/38."