A dekatron was the simplest base-10 counter able to add and subtract while generating carry digits. Common dekatrons were based on decimal counting, and could switch reliably at speeds in excess ...

We’ll take a look at the Witch-E project which is building a replica of the famous Dekatron-based computer. And finish up with the surprise hit of the meetup. It was a pleasure to meet Larry ...

The Harwell Dekatron, also known as the WITCH, can be found at the National Museum Of Computing in Bletchley, UK, and [David Anders] is building a modern all-electronic replica of it. The original ...

This is the Harwell Dekatron, also known as the Wolverhampton Instrument for Teaching Computation or the WITCH computer. It was built in 1951, which makes it the oldest working digital computer in ...

Harwell Dekatron: The Harwell Dekatron, also known as the Wolverhampton Instrument for Teaching Computing from Harwell (WITCH), is an early British relay­based computer created in the 1950s.

“In 1951 the Harwell Dekatron (the other, less-amazing name for the WITCH) was one of perhaps a dozen computers in the world, and since then it has led a charmed life surviving intact while its ...

The 61-year-old Harwell Dekatron (aka WITCH) computer, was made from parts more commonly found in a telephone exchange The mammoth machine, which fills a room, is as heavy as 20,000 iPhones but ...

But it runs, dammit. On Tuesday, volunteers at Britain’s National Museum of Computing rebooted the Harwell Dekatron — a 2.5-metric-ton monster from the early 1950s — making it the oldest ...

His images and captions, below. The Harwell Dekatron The Harwell Dekatron, also known as the Wolverhampton Instrument for Teaching Computing from Harwell (WITCH), is an early British relay-based ...

"In 1951 the Harwell Dekatron was one of perhaps a dozen computers in the world, and since then it has led a charmed life surviving intact while its contemporaries were recycled or destroyed ...

The Harwell Dekatron, at the National Museum of Computing, Bletchley Park, Buckinghamshire, first run in 1951. Built for the Atomic Energy Research Establishment in Oxfordshire, it replaced work ...

“In 1951 the Harwell Dekatron (the other, less-amazing name for the WITCH) was one of perhaps a dozen computers in the world, and since then it has led a charmed life surviving intact while its ...