Centrifuges? IIRC, that was not used for uranium separation until the 1960's. At Oak Ridge TN were the Y-12 electromagnetic separation (calutron) and K-25 gaseo

Centrifuges? IIRC, that was not used for uranium separation until the 1960's. At Oak Ridge TN were the Y-12 electromagnetic separation (calutron) and K-25 gaseous diffusion separation plants.