Waste of Fuel Order, 4.
Water Column, 130.
Water Dangers, 190.
Water Sprays, Report on, 25.
West Virginia Mine Explosion, 52.
Whitehaven Explosion, 8.
William Pit Explosion, 16.
Winding and Ventilation, 167.
Winding Engine Brake, 156.
Winding Ropes, 10, 195, 225, 245.
Wire Ropes, 208.
Wire Ropes, Sockets, 222.
Working New Areas, 59.