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53 (LIII) — 1942-1943

Cage Attachments, 21.

Calculations, Mining, 6, 18, 30, 42, 54, 66, 78, 90.

Canada's Mineral Search, 17.

Cap Lamp Performance, 41.

Carbon Dioxide and Blackdamp, 61.

Carbon Dioxide in Mine Dusts, 123.

Carbon Monoxide, 76, 237.

Cement Gun, 228, 250.

Centroid Neutral Axis and Moment of Inertia, 30.

Centroid of Irregular Figures, 31.

Chains, Rope and Cage, Size, 83.

Charles' Law, 138.

Chocks, 129.

Coal Dust Hazard, 172, 177, 183, 196, 202.

Coal Dust Problems, 181.

Coal Dust, Rendering Harmless, 214.

Coal Face Work, 106.

Coal for Steam Raising, 114, 158, 175.

Coal Mining Undertakings Order, 18.

Coal Preparation, 143.

Coal Restrictions, 26.

Coal Royalties, 5.

Coal Seams, Changes, 68.

Coal Washing, Principles, 13, 168.

Coal, B.T.U. Values, 5.

Coal, Breaking Down, 288.

Coal, Heating Power, 227.

Coal-cutting and Conveying, 119.

Coal-cutting at Desford Colliery, 288.

Coals, S. Wales, 73.

Coke Manufacture, 229.

Combustion Chamber Walls, 175.

Combustion of Coal, Air Required, 67.

Competition, Prize, 8, 20, 32, 44, 56, 68, 80, 92, 104, 116, 129, 141, 153, 165, 177, 189, 201, 212, 226, 237, 249, 261, 272, 285, 297.

Competition, Prize, Awards, 7.

Competitor, Successful, 51.

Comrie, Canteen and Baths, 12.

Concrete, Uses Underground, 151.

Conducting Air, 166.

Conductors in Shafts, 190.

Conveyor Dust Problem, 25.

Conveyor Loading and Transfer Points, 25.

Conveyor, Mining Hazards, 1.

Conveyors, 24, 275.

Co-operation and Comradeship, 101.

Co-ordinates, 114, 126, 136, 150, 162, 174.

Copper Conductor, Resistance, 286.

Cylinder, Cone, 289.