A moment of atom history. The voltage indicator registers high peaks of 200,000,000 electron volts discharge at the splitting of U-235 atoms at Columbia University, NY. On 25 January 1939, a Columbia University team conducted the first nuclear fission experiment in the United States, which was done in the basement of Pupin Hall; the members of the team were Herbert L. Anderson, Eugene T. Booth, John R. Dunning, Enrico Fermi, G. Norris Glasoe, and Francis G. Slack. Used in LIFE book: LIFE Science Library - Energy pg. 166 stamp on verso. Images also used in LIFE April 24, 1939 pg. 52 and LIFE August 20, 1945.Shipping and insurance costs will be added to the price and must be paid for by the buyer. Pennsylvania buyers must pay appropriate local sales tax. International clients are responsible for their VAT and other custom's oriented charges.