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46 (XLVI) — 1935-1936
Davies, Daniel, 229, 294.
Deaths in 1935, Coal Mine, 246.
Decimal Fractions, 118.
Decimals, Division of, 130.
Dedusting of Coal, Pneumatic, 5, 11.
Deep Mines and Evaporation, 19.
Deep Mining, Physiological Aspects, 325.
Deepest Hole, 247.
Deputies' Conference, 229.
Detector, Firedamp, Regulations, 416.
Detectors, Firedamp, 6.
Detonators, Storage of, 285.
Diamond System of Boring, 110.
Diesel Oil Production, 23.
Dip, Transporting Coal from, 28.
Disused Pit Shafts, 4.
Diversification, 149.
Drawing, Mechanical, 382.
Drift, Cross-measure, 322, 350.
Drills, 108, 179.
Dry Cleaning, 10.
Drying Washed Coal, 180.
Dust in Coal Mines, 150, 244.
Dust Prevention and Control, 76, 225.
Dust Treatment on Roads, 149.
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