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44 (XLIV) — 1933-1934
Danger from Sparks, 71.
Dangers, Electrical, 16.
Davy Lamp, Origin, 221.
Dedusting of Coal, 249.
Deep Hard Seam, 214.
Deep Level Mine Ventilation, 311.
Depth of Shaft, Finding, 12.
Developments, Mining Studies, 27.
Dewatering, South Wales, 232.
Dial Explained, 262.
Diffusion of Gas, 113, 134, 146.
Direct Rope Haulage, 251, 279.
Discipline, Inspectors on, 138.
Displaced Workers, Plan, 389.
Disseminates, 265.
Donkey Pump, 226.
Draught, Forced and Induced, 64.
Drift, Gas Migration Tests, 134.
Dumping, Refuse, 412.
Durham, S.W., Proposals, 343.
Dust Evil in Metal Mines, 372.
Dust Proportions, Firedamp and, 143.
Dust Trapping Devices, 57.
Dusts, Action of Harmful, 405.
Duties, Fireman's, 93.
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