Harwell Dekatron / WITCH Reboot

A glimpse of the Harwell Dekatron / WITCH bursting back into life at The National Museum of Computing on 20 November 2012. (Full version now at ) The machine - the world’s oldest original working digital computer dating from 1951 - can be seen at TNMOC, located on Bletchley Park, Buckinghamshire, UK. Opening times: In front of the machine are seated two of the the designers and two early users. School groups and the public come to TNMOC