From the Mirror archives

July 1952

To mark World Wide Web day, here’s one of Britain’s earliest computers at the National Physics Laboratory in Teddington, South West London, where scientists developed the Automatic Computing Engine known as the Pilot ACE. Designed by computer pioneer and wartime codebreaker Alan Turing, it had 1,450 thermionic valves – or cacuum tubes – and ran its first programme in 1950. It was then the world’s fastest computer.