BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY
The 60-inch cyclotron at the Brookhaven National Laboratory, Long Island, New York, in 1961. The cyclotron began operations in 1951 as a fixed- energy accelerator. It was converted in 1966 to a sector- focusing, variable-energy machine.
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