... topic: 2513 Concrete sleepers with GWR 2 bolt chairs posted: 19 Aug 2014 13:44 from: Hayfield 982_190842_380000000.jpg Thought this was a bit strange having GWR 2 bolt chairs on concrete sleepers, or were the GWR leading lights in sleeper development? Last edited on 19 Aug 2014 13:46 by Hayfield posted: 7 Sep 2014 11:57 from: gsmorris GWR and concrete and mortal and pot sleepers all were part of GWR history! posted: 28 Feb 2015 12:52 from: D Foster The distinctive thing about GW sleepers and chairs- which you might already know- is that the bolt comes up through the sleeper and then the chair with the nut being screwed down from the top. This made it a whole lot easier for them to experiment with concrete sleepers. The info that I vaguely recall on their early (? earliest) efforts was in the 1930s- probably in either the Engineer or Engineering. posted: 3 Mar 2015 21:18 from: Martin Wynne Concrete sleepers and GWR 2-bolt chairs. I took ...