Temperature of Mine Air, 236.
Testing of Materials, 141.
Tests, Dust Concentration, 150.
Thermal Dryers, 180.
Thinking and Planning Ahead, 280.
Timber Preservation, 124, 148.
Timbering, 13, 14.
Timbering Longwall Face, 205.
Timbering, Roadway, 220.
Timbers, Mine, 189, 353.
Tips, Pit, Reeking, 117.
Training, Safety, 9.
Transporting Coal from Dip, 28.
Treatment, Fresh Air Base, 102.
Triangle of Forces, 354.
Trough Washing, 10.
Tubbing Method, Sinking, 159.
Turbine Pump, 256, 272.
Turning Moments, 337.
Typical Accidents, Falls, 54.
Typical Accidents, Haulage, 82, 83.