Cables for Conveyors, 132.
Cables, Shaft, 240.
Cage, Pit, 350.
Canteens, 402.
Capels for Haulage Ropes, 408.
Carbon Dioxide-Oxygen Treatment, 279.
Carbon Monoxide, 76.
Carboniferous Limestone Series, 346.
Cardiff Report, 372.
Cementation Process, 63.
Central Heating, Coal for, 292.
Chemical Terms, 13.
Cigarette Starts Explosion, 25.
Cleavage, Induced, 356.
Coal Carbonisation, 170, 217, 405.
Coal Cleaning, 81, 115, 170, 298, 374, 412.
Coal Dust, Wetting of, 36.
Coal Measure Rocks, 219.
Coal Products Scheme, 232.
Coal Sampling, 9.
Coal v. Oil, 299.
Coal-cutter Instructions, 195.
Coal-cutter Mobility, 102.
Coke Ovens in Scotland, 243.
Coke Storage, 391.
Collapsible Mine Chock, 327.
Competition, Prize, 12, 28, 44, 60, 76, 92, 108, 124, 141, 156, 172, 188, 204, 220, 236, 252, 268, 285, 301, 316, 332, 348, 364, 380, 397.
Competition, Prize, Awards, 412.
Competitor, Successful, 67.
Composition of Coal, 15.
Compressed Air, 176, 191.
Condensers, 174.
Conductors, Wire Rope, 80.
Contour Map, 150.
Conveyors, Coal Face, 271.
Co-operation, Advantages in Training, 209.
Co-ordination of Surveys, 42.
Correlation of Coal Seams, 131, 281, 309, 312.
Correspondence, 39.
Corrosion of Steel Sleepers, 361.
Corrosion, Mechanism of, 337.
Cosine Rule, 58.
Crushing Strain of Coal, 87.