Margaret Bullen was a wirer at Bletchley on the Colossus machine, Britain's first electronic computer
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Bletchley veteran recalls work on Colossus

Margaret Bullen recalls her memories of working at Bletchley Park during the World War II where she helped wire the Colossus machine, Britain's first electronic computer.

She was attending events commemorating the 70th anniversary of the commencement of operations by Colossus, at the National Museum of Computing in Bletchley Park, Milton Keynes.

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