walschaert's valve gear
model stephensons valve gear
1913
Model Gresley's valve gear
Walschaert's valve gear from double Fairlie locomotive
1874
Model Walschaert's Valve Gear
Broad gauge valve gear, Great Western Railway
Valve Gear, Great Western Railway
Caprotti valve gear and cylinder from left hand side of British Railways locomotive "Duke of Gloucester"
Sectioned Walschaert's Valve Gear
Model of locomotive valve gear, 1893
1893