News Releases Subscribe to News releases

In search of the Portrait of a Dead WITCH

The huge painting Portrait of a Dead WITCH by John Yeadon may not be in the world’s top ten list of missing works of art, but it is one that is now eagerly sought by The National Museum of Computing on Bletchley Park.

Notes from the Museum Subscribe to Notes from the Museum

Autumn 1975 from the pages of Computer Weekly

Forty years ago: Prestel's capabilities unveiled for the first time, the Duke of Kent says computers will soon be the 'dominant technology', and Texas Instruments announce UK shipment of 16-bit microprocessors.

Events Subscribe to Upcoming events

Free entry for online bookers 10, 12, 13 September

To celebrate National Heritage Open Days, TNMOC is offering a limited number of free entry tickets to the first 80 people to register online for each day: Thursday 10, Saturday 12, & Sunday 13 September 2015. But you do need to book online.

Current Projects Subscribe to Current projects

Robinson - the key flaw found?

The Robinson, the predecessor of Colossus, never really worked satisfactorily in speeding up the breaking of Hitler's most secret cypher. The Robinson reconstruction team may have a clue as to why.

Support us

The Museum has not received government or Lottery funding, so your help is needed.

Become a member »
Make a donation »
Become a volunteer »
Sponsor us »

Official TNMOC iPhone app

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