Simpson Proportional Alpha Counter Part: 4
Reference the current part of this Item.
Simpson Proportional Alpha Counter, item, 1946; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc101115/m1/4/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.