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."
From the Elizabeth Harrington Photograph Collection (PH-00291). Inscription with image reads: "Temporary hospital and the first in Las Vegas erected by the Railroad Company in late 1904, on the site occupied to-day by the Union Plaza Hotel. Tall man to the left is Dr. Halle Hewetson."