He's got microcomputers, minicomputers, supercomputers, and more. But more by way of a collection than a museum.
If anyone plans to come along on the same day, well, that is then an event!
Website: http://www.computermuseum.org.uk/ (video within)
Address: Corner House Farm, Burdale Lane, Fimber YO25 9LY
More info and some screengrabs here.The collection was started in about 1986, and represents the technical development of computing from the earliest days to the present day. It holds examples from every generation of computers - mechanical, relay, valve, transistor, and all the variations of integrated circuit. It has a fine collection of supercomputers and a huge IBM mainframe. As well as ten Cray supercomputers. It has one of the largest collections on show of Cray's and Digital Equipment Corporation computers anywhere.
It is housed in over 8000 sq ft of buildings and organised into manufactures.
It's not without Acorn gear:
Edit: fix date! Twice!!