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49 (XLIX) — 1938-1939
Machinery in 1937, Use, 114.
Machinery, Choice of, 164, 177, 201.
Machinery, Coal Cut by, 389, 390, 413.
Machinery, Increasing Use, 86.
Main Gate Belt, 381.
Main Seam, N. Wales, 203.
Manager's Duties, 175.
Market, Preparation of Coal, 217.
Marketing of Fuels, 11, 19, 37, 167, 176, 229, 236, 378, 394.
Markham Colliery Explosion, 10, 20, 105, 129, 135, 299.
Materials, 334.
May Examination Notes, 65, 90, 106.
Measurements, Air, 76, 109.
Measurements, Electrical, 126.
Mechanical Power, Use, 258.
Mechanisation and Ventilation, 97.
Mechanised Colliery, Australian, 73.
Medal, Surveyor's, 108.
Metal Mines, Stemming In, 230.
Methane, 33.
Methods of Working, 126, 192, 358.
Microspores, N. Staffs., 250.
Midland 1937 Report, 27.
Miller, W. T., 245.
Mine Gases, 63, 69.
Miners' Welfare Fund, 5, 20, 21, 56, 104, 117, 120, 171, 197, 235, 261, 297, 343, 371, 411.
Miners' Welfare Scholarships, 48, 357, 408.
Mines Safety Bill, 247.
Mining and the State, 251.
Mining, Examination Board, 3, 51, 53, 284, 391.
Mitton, H. Eustace, 245.
Motor Starters and Controllers, 168, 177.
Movements (Strata) and Surveying, 24.
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