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42 (XLII) — 1931-1932

Packing Conditions, 13, 297.

Paper 18, Fuel Research, 17, 24.

Paper 20, Chemical Survey, 145.

Paper 33, D.S.I.R., 101.

Paper 43, Research Board, 33.

Paper 69, S.M.R.B., 53, 67.

Paper 73, S.M.R.B., 257.

Paper 74, S.M.R.B., 356.

Permitted Explosives, 149.

Petrol, Coal Gas Substitute, 411.

Petroleum, Origin of, 5.

Picks, Firedamp Ignition by, 56.

Pictorially, Displaying Rules, 251.

Pioneer Spirit, 309.

Pit Bottom Arrangements, 175.

Pit Boys' Tuition, 172.

Pit Prop Tests, 91.

Pit to Pulpit, 7.

Pithead Arrangements, 1, 23, 39, 59, 75, 82, 99, 124, 138, 153, 198, 220, 228, 258, 280, 290, 316, 346, 394.

Pithead Baths, 85, 119, 160, 177, 209, 211, 264, 316, 369, 395.

Plans, Abandoned, 400.

Plans, Accident, 95.

Plant and Equipment, 65.

Plant, Cleaning, 68.

Power Factor, 180, 330, 347, 376.

Practice, Safe Mining, 218, 226, 246, 262, 274, 292, 306, 328, 338, 360, 374, 390, 406.

Prayers, Welsh, Parish, 41.

Preparation of Coal, 68, 121.

Presentation, 60, 71.

Pressure Surveying, 220.

Primary Cell, 397.

Prize Competition, 13, 29, 44, 60, 77, 92, 108, 125, 141, 156, 173, 189, 204, 221, 237, 252, 268, 284, 300, 317, 333, 348, 365, 380, 397, 413.

Problem, Dip, 110.

Problem, Fault, 112.

Problems Answered, 6, 12, 26, 35, 55, 71, 86, 87, 97, 118, 130, 133, 135, 147, 150, 155, 167, 185, 203, 214, 225, 227, 242, 260, 276, 281, 290, 307, 314, 331, 338, 344, 360, 375, 376, 391.

Problems, A.C., 168, 278.

Problems, Coal Industry's, 369.

Problems, Instrument, 83.

Problems, Steam Users', 34.

Progress, New Fields, 120.

Propeller Fans, 274.

Proportions and Balances, 72.

Prospects in Britain, 177.

Pulleys, Winding, 396.

Pulverised Fuel, 264, 316.