From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The slide reads: "Comparison of the cumulative estimated dose with diagnostic x-rays 1951 to 1958.
Description given with photo: "Senator Visits Hughes, Culver City, Calif.; Senator Harry P. Cain (R. Wash.) (left), member of a Senate Subcommittee investigating Howard Hughes' war contracts, chats with Hughes (right) beside his controversial XF-11 photo-reconnaissance plane just before the millionaire plane maker took off for a test flight from his private Culver City Airport today (8/16). Credit (ACME) 8/16/47."