Photosynth of the Colossus rebuild project at The National Museum of Computing, Bletchley Park [ http://www.tnmoc.org/] This Photosynth created to support the Open University/BBC World Service Digital Planet special on "The History of Personal Computing", May 2009 http://open2.net/digitalplanet Original photos used in the Photosynth courtesy of Bill Thompson, http://www.thebillblog.com