 |
 |
|
 |
|
 |
40 (XL) — 1929-1930
Machine Mining, 117, 247.
Magnetic Circuit, 354.
Magnetic Meridian, 302, 365.
Magnetic Needle, 286.
Magnetism, 262, 278.
Magneto-motive Force, 346.
Market, Coal for, 296, 306, 332.
Marketing, Coal, 36, 55, 80, 105, 297, 395.
Maryhill Colliery Flooding, 97.
Matter, Constitution of, 225.
May (1929) Examinations, 185, 202.
McLuckie Gas Tester, 161, 181, 291, 406.
Measurement, Air, 50, 176, 189.
Mechanical Engineering, Future, 161.
Meco-Briggs Apparatus, 86.
Mensuration, 22, 34, 50, 66.
Methane, Explosibility, 183.
Microscopical Exam, of Coal, 314.
Milfraen Explosion, 8, 33, 48, 167.
Mine Air, 107.
Mine Drainage, 16.
Mineral World, Skimming, 249.
Minerals, Raising, 94.
Mining Law, 233.
Model, Miner's, 375.
Morrell, Councillor, "Freedom", 219, 256.
Motive Column, 15.
Motors, Electric, 5.
Murton Washer, 374.
Contains public sector information licensed under the 
