[Ernest Goodpasture in the Laboratory with a Chicken Egg]
Photograph, reproduction, circa 1955
Ernest W. Goodpasture Biographical File
History of Medicine Collections, Vanderbilt University
Once the window was opened in the egg, a paraffin seal was placed over the window removed by the drill. In this photo, Dr. Ernest Goodpasture holds the egg so the paraffin seal can be seen in relief.