Two vacuum brake cylinder ball valves, 'Gresham's Patent', manufactured by Gresham & Craven, mounted on board, London & North Eastern Railway (LNER) MIC No '77'. Board dimensions 14"x 9". Two Vacuum Brake Cylinder Ball Valves
2 x 6" Brake Cylinders Type 2 manufactured by Davies & Metcalfe. Part No. AB108 -OV1 2 x 6" Brake Cylinders Type 2
