说明Mr. John A. McCone (left), Chairman of the United States Atomic Energy Commission and chief delegate to the International Atomic Energy Agency, presents a Mobile Isotope Laboratory to the IAEA in a ceremony in front of the Hofburg in Vienna on 24th September 1958. Mr. Sterling Cole (right), Director General of the IAEA, accepts it on behalf of the Agency. IAEA/24th Sept.1958/279. Please credit IAEA