Herbert Hoover Jr. Listening to Headset

(Original Caption) President Hoover's son becomes supervisor radio communication between airplanes. Los Angeles, California. President hoover's son, Robert Hoover, Jr. arroved at Los Angeles and took over his radio post with the Western Air Express supervisor of wireless communications between passenger and freght planes of the air lines, and ground stations. Under his directions, race telephone between passanegers r pilots abroad the big ships that fly daily between the Pacific Coast cities and persons on terra form is to be perfected. Photo shows Herbert hoover, Jr, trying out the radio apparatus at the Western Air Express Airport in Los Angeles.