Typed onto a piece of paper given with the image: "As Los Angeles Welcomed Howard Hughes Los Angeles, Cal. -- The crowd gathered around the world-circling plane of Howard Hughes in the hangar at the Grand Central Air Terminal as Hughes and his companions on his record-breaking world flight alighted from the plane to receive the welcome home of Southern California. Hughes put his plane down at the airport and taxied it into the hangar all before alighting with his companions. Credit Line (ACME) 8/2/38 NY."
Transcribed from press release: "HUGHES TEST DERRICK This 118-foot field-size oil derrick tower above a block-long laboratory in Houston, Texas, where the Hughes Tool Company simulates every drilling condition in the world in order to produce tough, long-lasting drill bits for the oil industry. Rock bits are responsible for tapping of deep oil fields where today 90 per cent of the world's oil is found."