Hills, Paul wrote: Interesting, I presume from your email address that this was in the UK. The first thing that came to mind was the Wireless World computer, this was a construction project published in the Aug thru Dec 1967 issues of that magazine. (on my long list of things I to scan someday). The 'computer' had an 8 bit word and a 3 word memory and an accumulator. It could perform various arithemetic operations. The actual published articles do not show a telephone dial but ISTR some mention of extensions based on telephone equipment : dials and strowger switches. The size and propotions seem to fit, the published design had switches and lights on the front panel and no plug-board. Do you recollect if the machine was homebrewed or manufactured? -- hbp

Here's a MiniVac 601 with its prominent spinning dial http://userwww.sfsu.edu/~hl/c.minivac601.html Here's the nearly cubic Heathkit EC-1 http://www.thocp.net/hardware/pictures/heathkit_analogue.jpg These two were about the most common, if not one of these, your professor's may have been a rare one. Of course they're all rara now. John A.