Description given with photo: "Radar Installed on Passenger Planes Culver City, Calif. -- Radar safety control system (cabinet, left, center) for passenger planes, demonstrated by Howard Hughes in a trans-world airline plane, at Culver City, May 1st. Radar, with 500 and 2,000 foot warning signals, tells the pilot when he is approaching obstacles. Equipment is being installed in planes flying routes from San Francisco eastward to Shanghai. Credit (ACME) 5/3/47."
Description printed on photograph's accompanying sheet of paper: "Howard Hughes being escorted through crowd after delivering an address at the National Press Club on July 21."
Typed onto a piece of paper attached to the image: "Chicago Cheers Hughes and Companions, Chicago -- Howard Hughes, leader of the quintet that flew Around the World in 3 days, 19 hours, and Mayor Edward J. Kelly, of Chicago, riding at the head of the parade that the city staged in honor of Hughes and his four companions. Credit Lines (ACME) 7/30/38. (NY)."