Harwell I was inspired to do this project by the Harwell Dekatron Computer aka W.I.T.C.H. at The National Museum of Computing when I was in England. It's one of the first computers and is based on the Decatron, which is a vacuum tube base 10 counting and storage device. My first thought was "How can I get some of these?" then "What's the best way to through myself in the deep end with a project?"

So here we are

The frot of the Harwell computer, from wikiwand.com/en/Harwell_computer