Jim Haynes wrote:
>> I don't know the termination date, but I know that in 1959 there was
>> some central office desk fax equipment for sale in Chicago surplus
>> stores. Perhaps it had been replaced by equipment of more modern
>> design, or perhaps Desk Fax was being phased out in that area at that >> time.
> 1959? Could you mean 1969?
No, definitely 1959. Now maybe they were replacing that old vacuum tube type stuff with more modern electronics, but I picked up several of the old regulator-inverters in 1959 at a surplus store.
jhhaynes at earthlink dot net