[Milsurplus] Edison/Tesla battle finally ends in NYC.

D C *Mac* Macdonald k2gkk at hotmail.com
Sat Nov 24 08:13:40 EST 2007


AND, the nominal 48VDC used by telephone systems!
 
Mac - K2GKK
USAF, Retired
Oklahoma City
> Date: Sat, 24 Nov 2007 07:47:18 -0500> Subject: Re: [Milsurplus] Edison/Tesla battle finally ends in NYC.> From: cosmoline at aa4rm.ba-watch.org> To: ham at cq.nu> CC: brooke at pacific.net; milsurplus at mailman.qth.net> > > > Hi> >> > The farm power systems at 28 volts pre-dated anything in a automobile> > or an airplane. Like the rest of them I'm sure the lead acid> > connection had an influence on the voltage chose. Of course the rail> > systems had their own setups a long time back. They are what Edison> > was working on when he decided we needed Ni-Cads.> >> > > hey y'all - weren't the farm systems 32 volt?> > unmentioned are the 48v systems used in rr passenger cars & on river> passenger steamers> ______________________________________________________________> Milsurplus mailing list> Home: http://mailman.qth.net/mailman/listinfo/milsurplus> Help: http://mailman.qth.net/mmfaq.htm> Post: mailto:Milsurplus at mailman.qth.net
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