Wales, Technical Education, 19.
Washing Coal, 30.
Waste Tips, 25.
Water Softening Plant, 239.
Water Tube Boilers, 127.
Water, Composition of, 79.
Water, Mining Under, 190.
Water-gauges, 318.
Weakly-caking Coals, 83.
Welding Technique, 114, 305.
Welfare Fund 1933 Report, 276.
Welfare Fund, Miners', 4, 89, 115, 168, 180, 203, 208, 220, 231, 263, 276, 277, 281, 293, 355, 357, 371.
West Cannock Explosion, 139.
Westhoughton Lighting Installation, 155.
Wetting Agents, Coal Dust, 280.
Whitedamp, Formation of, 157.
Why It Is and How It Works, 2, 18, 42, 54, 70, 82, 116, 130, 150, 168, 184, 193, 215, 226, 241, 262, 273, 296, 308, 321, 337, 363, 376.
Winding Accidents : Cause and Prevention, 408.
Winding Rope Capping, 30.
Wire Rope Invention, 251.
Withdrawal of Workmen, 365.
Wood v. Steel Props, 360.
Working Inclined Seams, 210.
Working Methods, 31.
World's Coal, 323, 374, 406.