mixture,
An extremely ironic post. Mike IS nearly old enough to be the chap in your photo.
That's the Difference Engine built by the Science Museum in 1991 to celebrate the 200th aniversary of William Babbage's birth.
Do go and see it if you have a chance. The only computer I have ever seen with a drip-tray underneath it - just like British motorcycles
PS The first computer I used was an English Electric KDF9 with 32k of ferrite-core memory. Enough power for a whole universtity!