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CP-1 construction, November 24, 1942. Visible are portions of layers #27, #28, and #29. The Goodyear balloon is visible in the background.
Events > Difficult Choices, 1942 > More Piles and Plutonium, 1942
Events > The Plutonium Path to the Bomb, 1942-1944 > CP-1 Goes Critical, Met Lab, December 2, 1942
Processes > Plutonium Production > Fuel and Target Fabrication

CP-1 construction, November 24, 1942; visible are portions of layers #27, #28, and #29.

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