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38 (XXXVIII) — 1927-1928

Abandonment, Act and, 302.

Accident Rates, 411.

Accidents in Mines, 20, 74, 106, 149, 161, 171, 208, 210, 228, 315, 318, 347, 368, 378, 406.

Accidents, Underground, Problem, 178, 196.

Accumulators, 134.

Act, Interpretation of, 89.

Aerial Ropeways, 177, 408.

Africa, South, Output, 283.

Aged Miners' Homes, 67, 73, 104, 112, 332, 353.

Air and Dust Samples, 81.

Air Lift Pumping, 33.

Air Mains Explosions, 58.

Air Measuring in Mines, 28.

Air Meters, 51.

Air Pressure, Measurement, 246, 262.

Air Temperatures in Mines, 387, 403.

Air-crossings, 349.

Air-current, Reversing, 32.

Air-seasoning of Timber, 248.

Air-splitting in Mines, 286, 306.

Alberta Coal for Ontario, 9.

Ambulance Competitions, 7, 337, 368, 380.

American Notes, 60, 69, 299, 345.

Ammonia, Nitrate of, Explosives, 193.

Analysis of Air, 383, 402.

Analysis, Coal, Standardising, 124.

Ancient Mining Literature, 181, 324, 400.

Ancient Workings in S. Shan, 121.

Answers to Correspondents, 22, 34, 39, 53, 66, 82, 91, 98, 103, 117, 132, 164, 180, 185, 203, 210, 212, 226, 230, 243, 245, 264, 280, 290, 292, 307, 311, 328, 342, 354, 358, 370, 376, 386, 394.

Approaching Old Workings, 87, 416.

Arcwall Heading Machines, 341.

Arithmetic, 157, 172, 204, 365, 397.

Asbestos, 50, 283.

Ash in Bituminous Seams, 405.

Ashton, Thomas, Death, 101.

Atmosphere, Warm, and Efficiency, 235.

Atmospheric Dust Sampling, 133.

Australia, S., Minerals, 71.

Auxiliary Pans, 312.