The 37-inch cyclotron accelerated deuterons to 8 MeV and alpha particles to 16 MeV. It was also used to create radio isotopes and the first artificial element, technetium. This cyclotron was  used in one of the first attempts to treat cancer. Shown with Paul Aebersold  looking on. Cooksey  label: Cancer Room, note proton snout. Cooksey 1-12, September 20, 1938. [Photographer: Donald Cooksey]
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