Newscuttings Newscuttings; 1. 'Barbara's Diary ' Article in News Chronicle. No date given. [1 column] 2. ' Atomic Discovery Hailed. Dr P M S Blackett's Finding Called "Most Momentous" '. Article from late editions of yesterday's Times. No date given. [1 column] 3. ' Finds Cosmic Rays Have Odd particle. British Scientist Says That They Consist in Part of 'Positive Electrons' . Credits Dr Anderson. Dr P M S Blackett Says AMereican Should Not be Robbed of Leads in Discovery' Article in New York Times, 17 February 1933. [2 columns] February 1933