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57 (LVII) — 1946-1947

M. and C. Steering Idlers, 69.

Magnetic Declination, 65, 160.

Magnetic Surveying, 159.

Main and Tail Haulage, 189, 232.

Manchester Geological and Mining Society, 116, 177.

Manual Haulage, 162.

Mathematics and Drawing for New Entrants and Colliery Firemen, 1, 13, 26, 43, 50, 68, 80, 88, 100, 112, 123.

McLuckie Detector, 92, 94.

Measurement of Areas, 1, 13.

Measurement of Distances, 79, 90.

Measurement of Inclined Lines, 109.

Measuring Air Velocity by Anemometer, 23, 210.

Measuring with Chain, 79, 90, 109.

Mechanical Drill, 113.

Mechanical Engineering Research, 291.

Mechanical Ventilators, 150.

Mechanics of Locomotion, 253.

Mechanisation of Production, 221.

Mercurial Barometer, 97.

Metallurgy, Problems of Early, 129.

Methane, Explosibility of, 63, 221.

Methods of Plotting Surveys, 230.

Methods of Working, 189.

Micro-structure of Coal, 266.

Millstone Grit, 161.

Mine Accidents in 1946, 295.

Mine Air, 44, 126.

Mine Air, Absorbing Power of, 98.

Mine Development, 207.

Mine Dial, 153, 160.

Mine Drainage, 290.

Mine Gases, 32.

Mine Lighting Exhibition, 163.

Mine Roadways, Drawing, 123.

Miners' Welfare National Scholarship Scheme, 127.

Miners' Welfare Part-time Day and Advanced Mining Scholarships, 87.

Miners' Welfare Scholarships and Students' Exhibitions, 34.

Minimising CH4 Ignitions, 228.

Minimising Fire Risk in Seam, 24.

Minimising Ice Formation, 60.

Mining Machinery and Transport, 147, 162, 169, 188, 197, 205, 219, 232, 244, 253, 267, 282.

Mining Subsidence Committee, 165.

Modernisation of Underground Transport, 5.

Motive Column, 135, 143.