360/50 microcode listing

[Robert Ferguson]

Thanks, that's quite interesting.

Is there some consensus about how complete that list is? Does anyone have a feeling if it includes most of the systems in private hands, for example?

- Rob

> On May 7, 2015, at 12:34 PM, Lawrence Wilkinson <ljw-cctech at ljw.me.uk> wrote:
> 
> Henk Stegeman has done this: http://www.ibmsystem3.nl/System360/index.html
> 
>> On 07/05/15 20:56, Robert Ferguson wrote:
>> Is there a reliable estimate of the number of extant relatively complete and/or actually working System/360 machines? A registry, perhaps?
>> 
>> I would find that to be a very interesting data point.
>> 
>> - Rob
> -- 
> Lawrence Wilkinson                                 lawrence at ljw.me.uk
> Ph +41(0)79 926 1036                             http://www.ljw.me.uk
>