I'd put this under "requested images", but it's rather urgent...
A historically important cyclotron at Columbia University will be dismantled soon. Last chance for someone to take a free picture for Commons.
Or is there one already? It's US and probably related to something military, so the government probably took an image of it at one point, which should be PD...
( http://hardware.slashdot.org/hardware/08/03/25/0317224.shtml )
Magnus