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Re: runaways
Author: Dr Zarkoff
Date: 03-11-2021 - 20:02

> In the 50’s, 60’s and 70’s . . . the evolution of the brake equipment of the freight cars

Between 1934 and 1984 there was no "evolution of the brake equipment" with the possible exception of the introduction of ABD in 1964, and even so, it was a refinement of and an improvement to AB.

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Subject Written By Date/Time (PST)
  runaways inquiring minds 03-11-2021 - 17:39
  Re: runaways Hot Water 03-11-2021 - 17:51
  Re: runaways inquiring minds 03-11-2021 - 17:55
  Re: runaways Cctgm 03-11-2021 - 19:19
  Re: runaways inquiring minds 03-11-2021 - 19:40
  Re: runaways Dr Zarkoff 03-11-2021 - 20:02
  Re: runaways CCTGM 03-12-2021 - 11:43
  Re: runaways Goober 03-12-2021 - 13:24
  Re: runaways Dr Zarkoff 03-12-2021 - 15:10
  Re: runaways CCTGM 03-12-2021 - 20:34


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