Gradient post, Isle of Wight Railway, cast iron, 1 in 250. Gradient post, Isle of Wight Railway, cast iron, 1 in 250.
Gradient post, Isle of Wight Railway, cast iron, 1 in 286. Gradient post, Isle of Wight Railway, cast iron, 1 in 286.
Gradient post, down 117 up 300, reinforced concrete, Midland & Great Northern Joint Railway. Gradient post
