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53 (LIII) — 1942-1943
Magnetic Declination, 277.
Main Roadways, 118.
Managers and Coal Boards, 3.
Material, 10.
Mechanics, 27, 40, 53, 78, 89, 98, 121, 161, 169, 224, 252, 293.
Mechanisation and Explosion Hazards, 5.
Medical Examination, Youths, 67.
Mercurial Barometer, 124.
Method of Working, 82.
Mine Air, 57, 85, 309.
Mine Drainage, Unique Pumping Principle Applied to, 122.
Mine Fires, 94.
Mine Gases, 33, 176, 213.
Mine Gases and Gas Testing, 49, 61, 76, 88, 102, 112, 124, 138, 146, 157, 172, 183, 196.
Mine Lamps, Electric, 41.
Mine Lighting, Advantages, 167.
Mine Ventilation, 220, 236, 241, 258, 265, 282, 294, 306.
Mine Workers, Training Suggestions, 109, 175.
Miners' Canteens, 115.
Miners' Relief Society, 269.
Miners' Welfare Education Scheme, 4.
Mining Calculations, 6, 18, 30, 42, 54, 66, 78, 90.
Mining Terms, 56.
Modern Mining Needs, 300.
Moisture, Mine Air, 146.
Moment of Inertia, 31.
Moss, Prof. K. N., Death of, 104.
Motive Column, 142, 201.
Murton Colliery Explosion, 5, 192.
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