Gradient Board, NER, 42/105. Wooden gradient board ex NER Tanfield Line. Dimensions 4'x11" Gradient Board from North Eastern Railway
Gradient Board, NER, 26/11. Wooden gradient board ex NER Tanfield Line. Dimensions 4'x11" Gradient Board from North Eastern Railway
Gradient board, London & North Western Railway, Holywell Town branch, Level/1 in 27. Gradient board 1912-1957