Image: Ames Process pressure vessel lower

Description: 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. Attribution: The Ames Laboratory, USDOE (http://www.ameslab.gov/)
Title: Ames Process pressure vessel lower
Credit: Ames National Lab (see OTRS for PD clarification and backup CC-by-SA donation)
Author: Unknown (see OTRS)
Permission:   This work is free and may be used by anyone for any purpose. If you wish to use this content, you do not need to request permission as long as you follow any licensing requirements mentioned on this page. Wikimedia has received an e-mail confirming that the copyright holder has approved publication under the terms mentioned on this page. This correspondence has been reviewed by an OTRS member and stored in our permission archive. The correspondence is available to trusted volunteers as ticket #2011070810013625. If you have questions about the archived correspondence, please use the OTRS noticeboard. Ticket link: https://ticket.wikimedia.org/otrs/index.pl?Action=AgentTicketZoom&TicketNumber=2011070810013625
Usage Terms: Public domain
License: Public domain
Attribution Required?: No