HP Forum Archive 18

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OT: R 500/7 T Relay computer Message #1 Posted by Juergen Keller on 28 Nov 2008, 10:31 a.m. Although it has nothing to do with HP calculators/computers I think some of you may be interested in this computing device. It's built from about 500 electromechanical relays and performing about 7 instructions per second. The computer was developed and built between 2001 and Oct 2006. Here is a short movie showing a demonstration of the computer. Enjoy! Juergen

Re: OT: R 500/7 T Relay computer Message #2 Posted by hugh steers on 28 Nov 2008, 2:21 p.m., in response to message #1 by Juergen Keller hi! Cool demo. He didn’t run the calculator program though. Back in June, I went up to Bletchley Park. They have an old computer museum there (some HP calculators too). Here’s a picture I took of the Colossus Mk2 running a demo. Interesting stuff!

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Go back to the main exhibit hall