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47 (XLVII) — 1936-1937

Packing, 27, 34, 143, 236.

Parker, Dr. Jos., Presentation, 231.

Pennsylvania Blasting Hazard, 56.

Pensions for Miners, 3.

Permeability of Human Skin, 252.

Perminal Treatment, Roads, 314.

Personal Factor, 166.

Photometry, 377.

Pick Setting, 131.

Pipe Problems, 18, 38, 49.

Pipes, Shaft, 365.

Pipes, Steel More Reliable, 412.

Pit Brow Girl's Record, 103.

Pit Pony, 213.

Pithead Baths, 169, 261, 274, 352, 376.

Plans for Rescue Work, 324, 338.

Plans, Enlarging and Reducing, 374.

Plant and Equipment, 103.

Plant, Coal Cleaning, 404.

Plant, Screening, 288.

Plant, Sinking, 78.

Plant, Steam, Coal for, 55.

Plant, Surface, Supporting, 63.

Poidih, India, Explosion, 200.

Power and Machines, 358.

Power, Mechanical Transmission, 113.

Preliminary Operations, 46.

Preparation of Coal, 168, 245.

Preventing Air-dustiness, 101.

Prize Competition, 13, 28, 43, 59, 76, 92, 108, 124, 141, 156, 172, 189, 204, 220, 237, 252, 268, 284, 300, 316, 333, 348, 363, 380, 397.

Prize for Automatic Safety-lamp, 199.

Problems, Boiler, 86, 98.

Problems, Coal Industry's, 8, 9, 21.

Problems, Surveying, 150.

Protection of Cables, 94.

Protective Equipment, 17, 83, 132, 192, 229.

Pulleys, 130.

Pulverised Fuel, 67, 187, 281.

Pump Details, 143.

Pumping and Haulage, 278.