DescriptionThe gadgetintheTrinityTestSitetower (1945).jpg English: ThegadgetintheTrinityTestSitetower awaiting detonation. Norris Bradbury is on the left
(10540204545).jpg English: TrinityTest. Norris Bradbury, group leader for bomb assembly, stands next to the partially assembled Gadget atop thetesttower. Later
(35632134385).jpg English: ThegadgetintheTrinityTestSitetower awaiting detonation. Norris Bradbury is on the left, Boyce McDaniel on the right. Date 1945 Source