Cable Calculations, 50.
Cable Faults, 146.
Canada, British Coal in, 88.
Canada's Coal, 332.
Canada's Coal History, 394.
Canada's Mineral Values, 344.
Canadian L.T.C. Tests, 43.
Capping Winding Ropes, 408.
Carbon Monoxide, 118.
Carbonisation of Coal, 335.
Cardowan Explosion, 152, 183, 196, 268.
Cells, Connecting Up, 301.
Cinders in Concrete, 165.
Classes of Coal, 221.
Clinker Problem, 375.
Clogs, Old Pair, 227.
Coal Analysis, 15.
Coal Cleaning Processes, 230, 250, 262, 384.
Coal Constituents, etc., 94, 148.
Coal Dust, 44, 293, 358.
Coal Dust Precautions, 101.
Coal for Marine Purposes, 148.
Coal Gas Motor Fuel, 85, 149.
Coal in Place Tests, 396.
Coal Mines Act, 192, 205, 232, 252, 259, 289.
Coal Tar, Its Uses, 385.
Coal-cutters, 110, 116, 191, 199.
Coal-Oil's Future, 123.
Coke for Domestic Purposes, 305.
Coke Oven Gas, Fuel, 112.
Coke's Radiant Efficiency, 137.
Colliery Cables, 38.
Colloidal Fuel, 160.
Colloidal v. Fuel Oil, 209.
Compensation Claim, 145.
Competition Awards, 12, 28, 409.
Competition, Prize, 13, 29, 44, 60, 76, 92, 109, 124, 140, 157, 173, 189, 204, 220, 236, 252, 269, 285, 300, 317, 333, 348, 364, 380, 396.
Competitor, Successful, 28.
Compressed Air, 10, 22, 34, 54.
Compressed Air and Ventilation, 101.
Consolidation of Collieries, 72.
Conveyor, New, 331.
Conveyors, Self-loading, 283.
Cook, R. R., Photo, 28.
Co-operation Urged, 181, 215, 225.
Correspondence, 25, 40, 156.
Cortonwood Explosion, 181, 212.
Creep and Thrust, 98.
Cutting and Conveying, 270.