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48 (XLVIII) — 1937-1938

Paper 40, Fuel Research, 244.

Paper 89, Explosives, 164.

Pension Schemes, 12, 152, 277, 283.

Permanganate Oxidation of Coal, 388.

Photometry, 310, 322, 338.

Physical Aspects, Coal, 248.

Pillar and Stall, 160.

Pillars, Size, 205.

Pipe Friction, 56.

Pit Bottom Arrangements, 174.

Pit Committees, 7.

Pit Inspector's Pointers, 361.

Pit Pony, 131.

Pit Pony on Parade, 411.

Pithead Baths, 5, 27, 70, 152, 165, 216, 245, 279, 338, 389.

Plans, Areas of, 224.

Plans, Surface, 318.

Plant and Equipment, 101, 232.

Plant, Coal Treating, 196.

Plant, Electrical, 83.

Plant, Superheated Steam, 96.

Plant, Surface, 63.

Plastic Range of Coals, 404.

Pneumatic Picks, 42, 115, 277, 292, 409.

Podih Disaster (India), 226.

Power Factor, 350.

Power Transmission, 127.

Power, Coal Main Source, 116.

Pressure Surveying, 202.

Prices, Coal, 123.

Prize (in 1897), Offered, 67.

Prize Competition, 13, 28, 43, 60, 77, 92, 108, 124, 141, 156, 172, 188, 204, 221, 236, 252, 268, 285, 301, 317, 333, 348, 364, 380, 396.

Prize Competition Awards, 408.

Problem, Borehole, 95.

Problem, Surveying, 53.

Problems, Combustion, 246.

Problems, Condenser, 281, 296.

Problems, Electrical, 328.

Problems, Electrical Transmission, 4.

Problems, Haulage, 104, 118, 130, 415.

Problems, Pumping, 22, 29, 38, 56, 65, 81, 381.

Problems, Winding, 33, 148, 168, 184, 198, 209.

Props, Withdrawal, 44.

Protective Equipment, 76, 82, 107, 145, 180, 219, 251, 266, 282, 305, 317, 353.

Pulverised Fuel, 183, 213.