Hi,
ard_at_p850ug1.demon.co.uk (Tony Duell) said:
> > Anyway, if any of you folks have information or samples of old tube based
> > computing junk (modules, for example, or old unit-record stuff) - could I
> > bother you to tell me what types of tubes were originally installed? I am
> > looking for specific numbers, not just "dual triodes".
>
> I have one module from a Ferranti machine (I am not sure which -- did
> either of the Mercury or Argus use valves?). It has 3 Brimar 6060 double
> triodes on it.
The Mercury used valves. I think the Atlas was the first transistor model.
I used to have an Atlas board filled with OC170s which I removed to make
radios, RF transistors being quite expensive at that time :-)
--
Cheers,
Stan Barr stanb_at_dial.pipex.com
The future was never like this!
Received on Thu Dec 12 2002 - 03:37:01 GMT