The black and white view of Hiram "Tommy" Thurlow and the Lockheed 14 aircraft in New York, New York. Typed on a piece of a paper attached to the image: "Floyd Bennett Airport, N.Y. Lieut. Hiram ("Tommy") Thurlow, of the Department of Commerce re-checks Howard Hughes' sleek Lockheed L-14 Super Electra before flight to Paris. 7/9/38."

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide lists the steps required to conduct atmospheric and underground bomb tests. 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Comparative Radiation Exposures"