Valve Gear, Great Western Railway
Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.
Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.
Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.
Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.
Valve gear, Great Western Railway, from 4-Cylinder "Star" Class locomotive.