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39 (XXXIX) — 1928-1929
Machine Mining, 164, 182, 217, 261.
Machine Mining Arrangements, 399.
Maclaurin Plant, 376.
Magnetic Declination, 298.
Magnetic Needle, 206.
Mainsforth Baths, 404.
Manchester Steam Users' Association, 295, 299.
Manchuria Coal Mines, 41.
Maps, Construction, 283.
Market, Preparing Coal for, 65.
Marketing Coal, 122, 170, 219, 249, 364.
Maryhiil Inquiry, 275.
Materials of Construction, 391.
Matter and Energy, 8.
Mechanics, 10, 18, 37, 58, 68, 88, 100, 114, 132, 152, 163, 180, 198, 210, 234, 246, 265, 278, 297, 312, 330, 345, 358, 378, 386.
Metals in Mining Appliances, 51.
Methane, Properties of, 138.
Methods of Working, 62, 126, 147, 174.
Midland Report, 131, 149, 179.
Mine Air, Sampling, 166, 184.
Mine Costs, 372.
Mine Entries, Air Losses, 81.
Mine Fires, 103, 193, 209.
Mine Gases, 55, 71, 150.
Mine, Right to Work, 147.
Minerals, Hardness of, 67.
Miners for Colonies, 21.
Miners' Self-rescuers, 75.
Miners' Welfare, 1, 4, 16, 32, 38, 41, 59, 73, 81, 83, 96, 105, 113, 135, 153, 161, 170, 188, 199, 220, 225, 263, 273, 277, 283, 299, 329, 343, 364, 369, 391, 395, 403.
Mines Act, 119, 125, 126, 141, 238, 252.
Mining in 1927, 24.
Mining Subsidence, 362.
Mining, Intensive, 129.
Moisture in Mine Air, 26, 36, 354.
Mold Developments, 39.
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