Cobalt machine used to produce radiation for experiments, 1957.
Caption slip reads: "Photographer: Rustan. Date: 1957-11-06. Reporter: White. Assignment: UCLA Atomic. L to R, 91: Dr. George Taplin and Dr. Lawrence Myers, Jr. with cobalt machine used to produce radiation for experiments. 92, 79/80: Plants in radioactive bomb fall-out contaminated soil are examined by, L to R: Kermit Larsen, of UCLA Atomic Energy Project, and Dr. Stafford L. Warren, project director".