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From encrypt to decrypt - the full Lorenz story

The pinnacle of code-breaking at Bletchley Park can now be told in its entirety from encrypt to decrypt using the full set of 1940’s cutting edge technology following the loan to TNMOC of an extremely rare Lorenz SZ42.

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Lorenz SZ42 – the missing motor

The newly arrived Lorenz SZ42 encryption machine on long term loan from the Norwegian Armed Forces Museum in Oslo completes the TNMOC equipment set of the Breaking of Lorenz. But there is a missing part ...

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Upcoming lectures - roots of data processing

Talks at TNMOC over the next few months: TNMOC Trustee Prof Martin Campbell-Kelly on The Roots of Data Processing; Paul Kellar on Breaking Enigma - Behind the Scenes; and An Evening with Colossus with Phil Hayes. Tickets now available.

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Computer memory EDSAC style - delay lines

Peter Linnington discusses the options for today's reconstruction of EDSAC. Mercury or something else? The reconstruction of the first computer to provide a university computing service moves forward.

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Official TNMOC iPhone app

The official TNMOC app for iPhone is now available in the App Store.

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