Computer speedometers

Jules Richardson julesrichardsonuk at
Wed Oct 19 17:12:22 CDT 2005

Chuck Guzis wrote:
> On 10/19/2005 at 4:32 PM Julian Wolfe wrote:
>>Alright, so I'm getting carried away, but why not?  It's my computer :)
> Well sure, why not?  If you had an all static-CMOS MPU, you could even take
> one of those big rheostats used for stage lighting and hook it up to a VFO
> to provide a variable clock to your CPU.  "Captain, if I turn it up any
> higher, it'll blow for sure!".

A PDP that'll go all the way up to 11? :-)

> Didn't a couple of Honeywell mainframes use bar-graph Nixie tubes to show
> various system parameters?

I certainly recall *something* of the mainframe era with rather funky 
displays, more in keeping with a scifi movie... buggered if I can 
remember what it was now, though!



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