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The first weighing of plutonium

Description: The following text, transcribed from the remarks of those scientists who gathered at the University of Chicago on September 10, 1967, to celebrate the 25th anniversary of the first weighing of plutonium, tells an important part of the story of this fascinating new element that is destined to play an increasingly significant role in the future of man.
Date: September 10, 1967
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Hanford Atomic Products Department: Monthly report, April 1967

Description: During April the N-Reactor operated with a time operated efficiency of 70.8%; and a production availability and steam availability to Washington Public Power Supply System of 68.5%. No fuel element failures occurred. A scheduled outage (April 18 to 25) was used to complete planned maintenance, accomplish the modifications required for the 4,800 Mw power level probe, and for charging the fourth increment of the coproduct demonstration load. Fuel element input production was 100% of forecast. Out… more
Date: May 10, 1967
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High pressure, low temperature end bonding of HDS fuel. Interim report

Description: A solid-state diffusion bond is produced at the end bonding step of the Hot-Die-Size (HDS) process as the aluminum cladding is placed in intimate contact nickel-plated uranium core for a finite period of time at an elevated temperature. The combination of these required parameters of time, temperature, and intimate contact (pressure) may be varied within certain limits and still produce a quality diffusion bond. Through nondestructive and destructive testing, fuels end bonded at the higher pres… more
Date: January 10, 1967
Creator: Schweikhardt, G.M.
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Lithium-aluminum separations request

Description: A test irradiation of lithium was recently completed in one of the Hanford K Reactors. It is requested that these lithium-aluminum alloy targets be separated and analyzed for tritium content. This request is for the analysis to be performed on two groups or batches of samples. The first group would be 38 elements with a total gas content estimated to be approximately 97 liters. The second batch would consist of 76 elements with a total gas content estimated to be approximately 193 liters. This … more
Date: November 10, 1967
Creator: Ambrose, T. W.
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