Walschaerts Valve Gear
38:41
Steam Locomotive Valve Operation
21:17
Steam Locomotive Controls [4K]
23:24
Timing the Walschaert Valve Gear on the 58
4:03
Stephenson valve setting
14:50
Timing Walschaert Valve Gear on a live steam locomotive
9:20
NKP 765 Close Pace - Baker Valve Gear
56:11
The Pennsylvania Railroad WHYY
52:25