Black and white photographic print showing model of cyclotron built by Ernest Orlando Lawrence and C.J. Cooksey (black-and-white print - photograph)
Black and white photographic print showing second model of cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston (black-and-white print - photograph)
Black and white photographic print showing second model of cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston (black-and-white print - photograph)
Black and white photographic print showing original cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston (black-and-white print - photograph)