[GreenKeys] [Bulk] Re: NYC subway power

[Peter Gottlieb]

That's a pretty lazy way to get your loop supply!


On 8/10/2011 8:36 PM, Bruce Gentry wrote:
> Peter Gottlieb wrote:
>> Con Ed only within the past few years stopped supplying DC.  A lot of old
>> elevators used it.
>>
>>
>>
> Here in Syracuse, all the DC from Niagra Mohawk was shut off in 1952.
> The buildings needing DC had  motor generators installed at the
> utilitiy's cost. I worked on many of the elevators  and the MG sets.  I
> know of four of them, now dormant, that could be running and inspected
> within a week.  I am fairly certain Western Union took  DC service until
> 1939, when the power system in the building was  revamped in
> anticipation of the war. The switchboards are still there in the
> basement, about 99% dead now. The elevators were changed to 2 speed AC
> control in 1939 as well. The top two floors of the building were active
> with Western Union into the 1990's.
>
>       Bruce Gentry
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