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39 (XXXIX) — 1928-1929

Parkfield Large Gas Coal, 145.

Parkgate Seam, 279.

Past Students' Summer Meeting, 364.

Pavement Brushing, 188.

Peace in Industry, 144.

Pelaw Main Schemes, 137.

Pelton Colliery Reopened, 379.

Pensions, Miners', 73, 283, 312, 331.

Permissible Blasting Units, 113.

Petrol from Coal, 235.

Pillar and Room Problem, 80.

Pillar and Stall System, 30.

Pipes in Upcast, 230.

Pit Canteens, 359.

Pit Ponies, 25, 39, 135, 195.

Pit Top Arrangements, 335.

Pithead Baths, 52, 59, 108, 137, 167, 199, 204, 215, 225, 235, 249, 295, 336, 391.

Plan Paper, 211.

Plans, Act and, 396.

Plans, Mine, 414.

Plans, Orientation of, 67.

Plant, Modern, Pays, 75.

Plotting, 51, 238.

Pneumatic Picks and Drills, 25.

Pneumatic Separators, 104.

Pole, Measuring Length, 142.

Policy, Fuel, 105.

Pontefract Developments, 204.

Power Factor, 287.

Power from Coal, 328.

Power, Restitution of, 371.

Presentations, Long Service, 296.

Prisms and Lenses, 310.

Prize Competition, 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.

Prize Competition Awards, 407.

Problem, Coal Producers', 355.

Problem, World's Coal, 344.

Produce of Seams, 186.

Production, Factors in, 161.

Profits and Losses, 169, 235, 243.

Prohibited Articles, Search, 29.

Props, Adjustable, 111.

Props, Strength, 135.

Props, Wrought-iron, 145.

Psychology and Efficiency, 264.

Pugh, W., President, 304.

Pulverised Fuel, 227, 293, 313, 321, 339.

Pump at Tilmanstone, 123.

Pump, Direct-acting, 110.

Pumping Plant, 223, 286, 311, 327.

Pumps, Principles, 86.

Pyritic Oxidation, 183.