Description given with photo: "Float Flying Boat, San Pedro, Calif.: Workmen prepare to float Howard Hughes' 200-ton plywood flying boat at San Pedro on Nov. 1st for taxi tests in Los Angeles Harbor. The craft can be seen in its mammoth drydock, where it was assembled and outfitted. Credit Line (ACME) 11/04/47."
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.