Used in X-rays
Long glass tube that is curled into figure-eights and has a yellow, small, circular glass chamber after each figure-eight. Each end has a larger, oval-shaped glass chamber.
Contact the History of Medicine Collection, https://library.buffalo.edu/historyofmedicine
“X-Ray tube,” Digital Collections - University at Buffalo Libraries, accessed September 19, 2020, https://digital.lib.buffalo.edu/items/show/16887.