Current Projects

EDSAC passes half-way infrastructure milestone

Seventy of the EDSAC chassis are now in place -- that's 50% of the total. Later this month, the display will be officially opened by Hermann Hauser and the first parts of the machine will be commissioned.

EDSAC commissioning begins

EDSAC commissioning began this week by connecting some of the independently-built "sub-systems". The ongoing project can be seen by visitors and some great online videos tell the story to date.

Bill Tutte's algorithm runs again

For the first time since the end of WWII, Bill Tutte's Double Delta algorithm was successfully run on the Robinson. This was part of the ongoing reconstruction of Robinson, the predecessor of Colossus.

Transputer Project underway

TNMOC volunteers have embarked on a restoration project of two Inmos Transputer Development System units. Later they plan to to restore a large system originally used at CERN.

Donors welcome!

As part of the 70th anniversary of Block H, an embryo project to recreate a virtual 1940’s Block H was revealed to Colossus veterans. Funding is sought to take the project from prototype to virtual reality.

Robinson valve amplifier testing

A video of Charles Coultas of the Robinson reconstruction team testing the valve amplifier for Robinson, the machine that inspired Colossus.

Video tour of EDSAC

Andrew Herbert, leader of the EDSAC Project, gives a video tour of EDSAC as commissioning of the reconstruction at TNMOC begins.

EDSAC diagrams rediscovered - video

Some of the earliest diagrams of a computer have been rediscovered more than sixty years after they were drawn and are giving the EDSAC team something to think about.

Two EDSAC volunteers and their work

EDSAC volunteers John Sanderson and Nigel Bennee talk on video about their expert work on the reconstruction of the 1940's EDSAC computer.

EDSAC electronics racks in place

The EDSAC Project has made great progress over the last two weeks of February and the overall look of the EDSAC reconstruction is beginning to appear.

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