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45 (XLV) — 1934-1935

Packing by Means of Bags, 348.

Packing of Wastes, 157.

Packs, 50, 54, 325.

Papers, Pamphlets and Reports, 1, 5, 36, 54, 69, 82.

Phosphorus in Coal and Coke, 148.

Photo-Electric Cells, Uses, 217.

Pillar and Stall, 202, 215, 227.

Pillar Extraction, 87, 102, 144, 209, 241.

Pillars, Shaft, 145, 161.

Pipe Repairs, 382.

Pipes, Steam, 221.

Pit Boys, Education and Training, 11, 91, 107, 177, 244, 283, 356, 376.

Pithead Baths, 25, 33, 37, 232, 295, 339, 401, 405.

Pit-heaps, 43, 309.

Plant and Equipment, 107.

Pleasley Tests Recalled, 395.

Plessey Seam of Northumberland, 82.

Plotting, Determination by, 162.

Polar Co-ordinates, 42.

Polygons, 100, 118.

Pond, Capacity of, 326.

Position of Firemen, 39.

Power Factor, 151.

Power to Circulate Air, 38.

Power, Colliery, Economising, 15.

Precautions, Haulage Accident, 252.

Precautions, Shot-firing, 228.

Prevention of Falls, 40.

Prize Competition, 12, 28, 44, 60, 76, 92, 108, 124, 141, 156, 172, 188, 204, 220, 236, 252, 268, 285, 301, 316, 332, 348, 364, 380, 397.

Prize Competition Awards, 412.

Prop Loads, Measurement of, 310.

Props, 1.

Protective Equipment, 37, 85, 86, 107, 213.

Proto Apparatus, 200, 214.

Pulverised Fuel, 171, 261.

Pump, Boiler Feed, 237.

Pumps, Metals Suitable for, 337.

Pumps, Type of, 399.

Pure Coal, 8.