A pressure vessel being lowered into a furnace during the Manhattan Project for reduction to uranium metal.  Uranium halide and sacrificial metal are in the vessel.  This is part of the Ames process.<br><b>Attribution</b>: The Ames Laboratory, USDOE (<a rel="nofollow" class="external free" href="http://www.ameslab.gov/">http://www.ameslab.gov/</a>)
Unknown (see ticket)
2011-07-08 21:28
Ames National Lab (see ticket for PD clarification and backup CC-by-SA donation)