Notes from the Museum

The winter of 1967/8 in computing

Computing 50 years ago? The classroom of the future, LEO (EDSAC's successor) was optimising mail van trips, Memorex saw a future for discs and sales of 30 compact computers in a year was newsworthy.

Tommy Flowers SCITT graduation

The first cohort of 44 teachers from the Tommy Flowers School-centred initial teacher training (SCITT) initiative graduated at TNMOC last week.

Colossus Challenge Pt 4

On Day Two, Colossus at last had a message to work with and in 3 hours 35 mins found the elusive wheel settings of the Lorenz machine. But someone -- in Germany -- had beaten Colossus to it ...

Colossus Challenge Pt 3

Day One had been troublesome for codebreakers on the Colossus Challenge. It was the weather of course. It wasn't conducive to signal reception. But Radio 4 Today wanted to know about a potential break.

Colossus Challenge in the news in 2007 Pt 2

Here's a gem of a video featuring the late Tony Sale and others. Rory Cellan-Jones reporting on the Colossus Challenge on BBC News on 15 November 2007.

Remembering Colossus Cipher Challenge Pt 1

On Thursday 15 November 2007, a rebuilt Colossus Mark II was ready to decipher a Lorenz-encrypted teleprinter message transmitted from colleagues in Paderborn in Germany. What happened next?

Specialist cleaning of NPL's Scrapbook

Behind the scenes at TNMOC, volunteers are at work restoring historically important computer systems. One such project is the restoration of Scrapbook, an early 1970s system that anticipated the World Wide Web.

Who is the longest-serving programmer?

Who has been programming the longest? We've had lots of people stepping forward following a claim from a 70-year old who started coding in 1969. The latest is about a 92-year-old programmer.

Making IT Work - online proceedings

The Proceedings of the the first-ever international conference of computer conservationists Making IT Work are now available online. Held in May 2017, the conference was organised by TNMOC and CCS.

'Real computers glow in the dark'

A consignment of valves for the Colossus Rebuild has just been received from the California Historical Radio Society - beautifully packed and charges paid! They will help keep Colossus running for quite some time yet.

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