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42 (XLII) — 1931-1932

A.C. Circuit, 132, 154.

A.C. Circuits, Series, 200.

A.C. Power, 180, 358.

A.C. Transmission, 212.

A.C., Three-phase, 230, 244.

Accident Plans, 95.

Accident Prevention Supervision, 8, 265.

Accident Report, 157.

Accidents, 33, 43, 52, 55, 59, 69, 103, 136, 137, 147, 152, 155, 161, 195, 197, 245, 282, 297, 310, 358, 372, 373.

Accidents at Face, 289.

Acclimatisation in Hot Mines, 75.

Adamson Joint, 238.

Aged Miners' Homes, 84, 103, 182, 232, 341, 357, 385.

Air Engines, 360, 390, 406.

Air Measuring, 50, 381.

Air Velocities, Measurement, 246.

Air, Composition, 34.

Air-current, Splitting, 214, 276.

Air-currents, Power of, 226.

Air-locks for Upcast Shaft, 1.

All-Battery Locomotives, 80.

Alternating Current, 102, 168, 278.

Amalgamations, Colliery, 1, 5, 25, 37, 100, 165, 235, 361, 385.

Ambulance Competitions, 5, 72, 89, 128, 293, 296, 309, 321, 339.

American Institute Papers, 121, 199.

Ammeter Shunts, 40.

Ammeters and Voltmeters, 58, 66.

Answers to Problems, 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.

Anthracite Structures, 49.

Appointments, 89, 144, 193, 252, 304, 353, 364, 369, 384, 392.

Arches, Underground, 64.

Arley Seam, Roof Control, 90.

Arrangements, Pithead, 1, 23, 39, 59, 75, 82, 99, 124, 138, 153, 198, 220, 228, 258, 280, 290, 316, 346, 394, 403.

Artist, Notts. Miner, 144.