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Timesharing History: the UK Story
Article by Alan Thomson (2004) in Resurrection, Bulletin of Computer Conservation Society, Issue 32.
LEO Computers developed the Leo III as a medium size commercial computer, and included timesharing after several members of John Pinkerton's development team attended the colloquium on the design for Orion timesharing presented by George Felton at the Cambridge Maths Lab. Timesharing was demonstrated on Leo III in January 1962, and on Orion in April 1962. The LEO systems were first delivered to customers in April 1962. Orion, having been delayed by hardware problems, was not delivered to a customer till March 1963. English Electric announced the KDF9 in 1960 as a small scientific computer, with timesharing as an optional extra [Ref: 2] involving additional hardware and a specific version of the 'director' software. That was done independently of the Orion and LEO developments.
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Please Note: This item is not in our collection and is included here for signposting purposes only.Date : 2004
This exhibit has a reference ID of CH58295. Please quote this reference ID in any communication with the Centre for Computing History.