[AMPS] 50hz? 25Hz???

[steven grant]

Also  many hydro-electiric dams put out 25 hz.in the
"olden days"
73
               STEVEN GRANT   W4IIV

--- Larry Molitor <w7iuv@earthlink.net> wrote:
> 
> Downtown Chicago was one such place. Many elevators
> in the "loop" still ran 
> on 25 Hz until sometime in the sixties. I remember
> seeing, at the power 
> station where my father worked, the huge
> motor-generator that was used to 
> convert the locally generated 60 Hz to 25 Hz for
> distribution to select 
> customers. The conversion from 25 Hz to 60 Hz for
> "consumers" was done 
> before I arrived on the scene.
> 
> Larry - W7IUV
> 
> At 09:27 AM 4/9/01 -0400, Bob Duckworth wrote:
> 
> >Have a receiver here and power supply is marked
> 25Hz. USA made for USA
> >market.
> >Who knows when and where in USA 25Hz was so common
> that 'consumer
> >electronics'
> >was manufactured to operate on it.
> >
> >-bob
> >
> >--
> >FAQ on WWW:              
> http://www.contesting.com/FAQ/amps
> >Submissions:              amps@contesting.com
> >Administrative requests: 
> amps-REQUEST@contesting.com
> >Problems:                 owner-amps@contesting.com
> 
> 
> 
> --
> FAQ on WWW:              
> http://www.contesting.com/FAQ/amps
> Submissions:              amps@contesting.com
> Administrative requests: 
> amps-REQUEST@contesting.com
> Problems:                 owner-amps@contesting.com
> 


__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail. 
http://personal.mail.yahoo.com/

--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com