On 11/05/2010 8:37 PM, Orchid XP v8 wrote:
> andrel wrote:
>
>> Still more complicated than my own 1984 design. ;)
>
> Anybody else attempted this crazy task?
In the mid sixties I built a binary adder using a couple of relays and a
uniselector (from the GPO).
--
Best Regards,
Stephen
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