GV. Atomic Energy Research Establishment at Harwell, security policeman at gate. LV. Coaches arriving. Notice board - "Atomic Energy Research Establishment Harwell". CU. Delegates stepping off coach and handing cameras to police. CU. Sir John Cockroft, Director of Harwell Atomic Power Station. Side view Sir John shaking hands with delegates. CU. Sir John speaking with Russian delegate Professor Vladimirsky, & SCU. GV. Scientists walking towards factory. CU. Notice board. SCU. Delegates looking at workers. SCU. Three delegates pointing and looking at workmen. SCU. Workmen working. SCU. Delegates leaving.