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.

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

Arrangement note: Series I. Demonstrations, Subseries I.B. Other Demonstrations and Strikes

Arrangement note: Series I. Demonstrations, Subseries I.B. Other Demonstrations and Strikes

A rear view of Howard Hughes Grover Whalen, and Al Lodwick riding in the back of an automobile in a parade dedicated to Hughes for his completion of the round-the-world flight. Typed onto a piece of paper attached to the image: "Rear view of car in which Howard Hughes, Al. Lodwick, and Grover Whalen ride up Broadway after Howard Hughes flight Around the World. July 1938."