The world's oldest original working digital computer

YouTube Description:

A glimpse of the Harwell Dekatron / WITCH bursting back into life at The National Museum of Computing on 20 November 2012. The machine - the world's oldest original working digital computer - can be seen at TNMOC, located on Bletchley Park, Buckinghamshire, UK. Opening times: more videos of the event to come, so do subscribe to the TNMOC channel.

Video by TVUK for TNMOC and kindly sponsored by Google UK.

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