... my own posted: 12 Dec 2014 00:08 from: Brian Nicholls TPP wrote: Originally the line was laid with second hand 25lb rail that came back after WW1- it was part American and part Belgian. I can't find the exact spec for that but similar 25lb rail... Hi Rob/ Martin, Ahem!!, I also happen to have found the rail section profile of the RH&DR 25lbs/yd rail from the same source. See attached PNG image. All the best, Attachment: attach_2016_2594_25-lb ._Rail_Profile.png 2076 Last edited on 12 Dec 2014 00:10 by Brian Nicholls posted: 12 Dec 2014 07:38 from: TPP Thanks a lot Brian I think that's the rail I based my dimensions on- I think I found it on the Harmersteel website Do you have much information on the RH&DR? Is it something you are interested in yourself? posted: 12 Dec 2014 15:28 from: TPP I had a new book arrive today that showed some details I had not seen before One ...