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| Re: coldest stations to be at this heatwave (1403152) | |||
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Re: coldest stations to be at this heatwave |
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Posted by randyo on Sun Jul 24 17:02:55 2016, in response to Re: coldest stations to be at this heatwave, posted by Steamdriven on Sun Jul 24 13:29:56 2016. What is surprising is that according to articles I have read about the development of electric railway technology, Frank Sprague was using regenerative braking prior to the turn of the 20th Century and European streetcars were using either dynamic or regenerative braking shortly after 1900 so why has it taken US transit systems so long to utilize technology that was available when electric railway development was in its infancy? |
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