View single post by Tramcar Trev
 Posted: Tue Jan 13th, 2015 10:27 pm
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Tramcar Trev



Joined: Sat Mar 16th, 2013
Location: Gordon ACT, Australia
Posts: 399
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For control of full sized electric railways by the imposition of an AC current on top of the DC power voltage.
http://www.google.com/patents/US3287554



____________________
There once was a man who said Damn!!
I perceive with regret that I am
A creature that moves
in predestinate groves
I'm not a Bus, I'm a tram
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