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38 (XXXVIII) — 1927-1928

Machine Mining, 150, 182, 265.

Machinery at Mines, 330.

Magnesia Refractories, 49.

Magneto Exploders, 411.

Main and Tail Haulage, 9, 17, 35, 58.

Main Roads, Timbering, 206.

Managers' Exam. Notes, 162.

Manchester Steam Users' Association, 298.

Marine Bands, 73.

Marine Colliery Disaster, 39.

Market, Preparing Coal, 12, 217.

Marketing, Coal, 183, 201, 213, 249, 305.

Masses, Motion, by Rope, 100.

Measurement of Air Pressure, 202, 216.

Measuring Air in Mines, 28.

Mechanics, 9, 17, 35, 58, 68, 81, 102, 113, 129, 140, 168, 177, 200, 216, 227, 241, 257, 278, 294, 308, 322, 340, 356, 374, 390, 410.

Mechanics, Exam. Questions, 227, 241, 257, 278, 294, 308, 322.

Memorial, Cwm Disaster, 112.

Metallic Copper, 247.

Metallurgical Coke, 59.

Methods of Working, 77, 157, 173, 192, 239.

Michigan Deep Mines, 391.

Midland and Southern Report, 105, 120, 137, 153, 161, 179.

Millstone Grit, 142.

Mine Plans, 176.

Mine Ventilation, 145, 236, 258, 305, 312.

Miners' Education, 3, 7, 19, 41, 67, 72, 80, 89, 113, 184, 201, 235, 240, 267, 337, 344, 411.

Miners' Nystagmus, 139, 260.

Miners' Relief Fund, 25, 247, 305, 333, 344, 357, 377.

Miners' Welfare, 1, 10, 33, 39, 40, 55, 64, 67, 75, 89, 97, 107, 114, 139, 151, 184, 199, 201, 205, 215, 226, 234, 240, 243, 248, 249, 260, 268, 273, 283, 289, 311, 341, 353.

Mines -- Minerals -- Quarries, 40.

Mines, 1926 Report, 75.

Mining Conditions Compared, 7.

Mining Electrical Research, 244.

Mining Subsidence, 6, 416.

Mining, Struggle with Nature, 123.

Moisture, Sources of, 367.

Monocable Aerial Ropeways, 408.

Morgan, W. Manager, Whitehaven, 412.

Mortgaging the Future, 69.

Motion Under Gravity, 65.

Motion, Circular, 116.

Motion, Newton's Laws, 84, 374, 390, 410.

Motive Column, 125.

Muldoon, Wm., Retired, 232.

Mystery of Explosion, 333.