This is great research, really informative. Would you be able to share a diagram of the DSER version?
Would this likely be an image of the DSER variety?
Bray 1930s
The Transport Library | Dublin and South Eastern Railway 'F2' class 2-4-2T, No. GSR 428, ex DSER No. 3 St Patrick at Bray coupled to a horsebox circa...