M.O.H. and Coal Fires, 372.
Machine Mining Factors, 364, 382.
Machinery, Use of, 60.
Mains Lighting and Production, 170, 227, 353.
Management of Mines, 164.
Managers' Commission Evidence, 282.
Maps, Importance of, 89.
Marketing Problems, 115.
Markham Explosion, 232, 261, 376.
Mathematics, Practical, 1.
May (1936) Examinations, 70, 90, 106.
Measures, Co-ordination of, 97.
Mechanical Boring, 95.
Mechanical Coal Cleaning, 67.
Medical Aspects, Miners', 290.
Mercurial Barometer, 125.
Methane Detector, 118, 197, 215, 244.
Method of Teaching Boys, 135.
Methods of Boring, 62.
Microspores, 195.
Midland and S. Division Report, 25.
Miners Dislike Changes, 137.
Miners' Nystagmus, 20, 39, 226, 228.
Miner's Prize Story, 372.
Miners' Relief Fund, 23, 169, 329, 405.
Miners' Scholarships, 12.
Miners' Welfare, 58, 75, 91, 96, 105, 119, 147, 163, 169, 199, 229, 264, 293, 304, 308, 313, 339, 362.
Mines and Quarries Report, 139.
Mineworkers' Commission Evidence, 326.
Mining Association's Commission Evidence, 346.
Model of Mine, Working, 128.
Modern Mining, 33, 104, 131, 148, 203.
Mollinsburn Sinking, 91.
Molybdenum Mine, Colorado, 149.
Motion Pictures, 325.
Motor, Synchronous Induction, 115.
Mottram, Sir Thomas, 309.