Chicago Pile One - Level 3
Chicago Pile One
Chicago Pile One - Level 7
The 19th layer of graphite covering layer 18 containing slugs of uranium oxide. Parts of the wooden scaffolding and surrounding balloon cloth also are visible.
First pile scientists at the University of Chicago on December 2, 1946, the fourth anniversary of their success.
Chicago Pile One
Chicago Pile One
Chicago Pile One
Chicago Pile One