From: finfer@optonline.net   
      
   On 2/20/2015 9:35 PM, Michael Finfer wrote:   
   > On 2/20/2015 7:41 PM, hancock4@bbs.cpcn.com wrote:   
   >> On Friday, February 20, 2015 at 1:51:18 PM UTC-5, Joseph D. Korman wrote:   
   >>> When the NTSB spokesman first talked about the under-running contact   
   >>> third rail for the MNRR as unique, I said, Philadelphia's   
   >>> Market-Frankford line has that system too.  Then I realized that the   
   >>> MFSE line has no public grade crossings.   
   >>   
   >> "I ride the harlme line" says under-running third rail is newer and   
   >> superior.  But I think it's reversed--overrunning is newer.   
   >>   
   >> Anyone know for sure?   
   >>   
   >> iridetheharlemline.com   
   >>   
   >>   
   >   
   > Under running third rail dates from the original PRR electrification,   
   > circa 1910.  The New York Central began phasing in its electrification   
   > in 1906.   
   >   
   > Michael Finfer   
   > Bridgewater, NJ   
      
   Correction, OVER running third rail dates from 1910, UNDER running  from   
   1906.   
      
   Michael Finfer   
   Bridgewater, NJ   
      
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