LEO II – the world’s first commercially available computer

The latest in our series of early technologies from Michael Bennett-Levy’s collection looks at the world’s first commercial business computer, the LEO II/3. The LEO II (short for Lyons Electronic Office) was the successor to the LEO I, which was designed by Oliver Standingford and Raymond Thompson of J. Lyons and Co. – one of the UK’s leading catering and food manufacturing companies in the first half of the 20th century.

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