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39 (XXXIX) — 1928-1929

Cage Props, 152.

Cages, Guides and Fittings, 114, 132.

Calorific Value of Coal, 182.

Calorimetry, 146.

Canada, Coke in, 21.

Canada's Coal Problem, 304.

Canadian Mineral Reports, 123, 313, 324.

Canaries, Miners and, 213.

Cannock Developments, 405.

Cannock Mining College, 3, 411.

Cap Lamps, 33, 407.

Capels, Rope, 109.

Carbon Dioxide, 90.

Carbon Monoxide, 90, 94, 119.

Carbonisation of Coal, 145, 160.

Cardiff Report, 131, 149, 178.

Carnegie Medal, 296.

Castings, Testing, 49.

Characteristics of Coals, 389.

Charlton, W. B., Retires, 3.

Chemist and Coal, 147.

Chile Coal Output, 6.

Chords, Scale, 259.

Claims, Judge on, 181.

Classification of Coals, 104.

Coal Cleaning, 25, 74, 84, 91.

Coal Constituents, 285.

Coal Creek Explosion, 124.

Coal Dust, 406.

Coal Dust Explosions, 3, 106, 171, 207, 379.

Coal Mining in 1927, 24.

Coal Solvents, 101.

Coal-cutting Machines, 93, 206, 261, 333.

Coal-cutting, Suitable Conditions, 367.

Coalite, 87.

Coke, 82, 85, 117, 188, 199, 399.

Colonies, Miners for, 21, 361.

Competition, Prize, 12, 29, 43, 60, 76, 93, 109, 124, 141, 157, 173, 188, 205, 220, 236, 252, 268, 284, 300, 316, 332, 348, 365, 380, 396.

Competition, Prize, Awards, 407.

Competitor, Successful, 6.

Components of Bituminous Coal, 28.

Compressed Air Pipe Joints, 365.

Compressed Air v. Electricity, 319.

Concentrated Coal Mining, 21.

Concrete Mine Supports, 321.

Conveyors, 59, 164, 182, 232, 318, 343, 405.

Co-ordinates, 159.

Copper Section of Cables, 163.

Cornish Mining, Beginning, 247.

Coroner, Aged, on Ambulance Work, 405.

Correspondence, 231.

Corrosion-resisting Steel, 133.

Cow Enters Mine, 315.

Cromium Steel, 133.

Crumps, 61.

Cube Root, 301.

Curves, Laying Out, 398.

Curves, Length, 9.

Cutting Plane, Projection, 163.