Current Projects

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.

EDSAC Gallery takes shape

The EDSAC project is now really starting to show results: the first racks of electronics are about to be installed and visitors will soon be able to see the reconstruction in action.

EDSAC reconstruction on target

On target at almost one-third of the way through, the EDSAC reconstruction project volunteers meet at the University of Cambridge, where the original EDSAC was built, to discuss progress.

What store for EDSAC?

Peter Linington talks on video about the original EDSAC mercury delay line store and the substitute nickel delay line store he has prototyped for the EDSAC reconstruction.

Clocking in the Digital Age

Video of the centenary celebrations of the late Sir Maurice Wilkes and the first working parts of the EDSAC reconstruction revealed.

Printer responds to EDSAC code

Bill Purvis has been working on the printer for the EDSAC Replica Project. The original printer for EDSAC was a modified Creed, model 7. The one being used in the replica Project is a slightly later model (7E).

The Harwell Dekatron Computer - the book

New TNMOC book tells the story of the world's oldest working digital computer

EDSAC manufacture in Cambridge

In recreating the EDSAC computer, a surprising amount of mechanical engineering is required. EDSAC engineering was originally done by hand, but for the EDSAC Replica Project modern Computer Aided Design is being deployed.

Origins of the EDSAC Replica Project

In January 2013 the EDSAC Replica Project trustees management committee met at Teversham Engineering where they saw the first replica chassis come off the production facility. They also spoke to camera about their reasons for supporting the project.

WITCH recognised by Guinness World Records

The Harwell Dekatron / WITCH computer has been recognised by Guinness World Records as the world's oldest original working digital computer.

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