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51 (LI) — 1940-1941
Ram Pumps, 238, 408.
Rand Goldfield Notes, 377.
Rand, Dust Sampling, 327.
Reinforced Concrete, 16.
Relief Society, 263, 341.
Relighting Devices, 365.
Removal of Firedamp, 126.
Report (1939), Examinations, 131.
Report (S.W.), Dust Problem, 353.
Report (S.W.), Sodium Vapour Lamps, 358.
Report, Electricity Committee, 357, 369.
Report, Fuel Research Board, 161, 257.
Report, Loading-point Dust, 26, 42.
Report, Miners' Welfare, 10.
Report, Roof Support, 138.
Report, Sprays, 113.
Rescue Apparatus Details, 365.
Research Organisation, 101.
Resection, 274.
Resistances, Mine, 299.
Respiratory Equipment, Origin, 137.
Results, Examination, 102.
Ripping Accidents, 363.
Roadway, Reopening, 62.
Roadway, Support and Linings, 312.
Roadways, Act and, 398.
Romance of Coal, 405.
Roof Caving, 231.
Roof Control, 121.
Roof Movement, 75.
Roof Palls, 322, 348.
Roof Spotting, 179.
Roof Weight, 140.
Rope Driving Wheel, 46.
Rope Guides, 2.
Rope Pointers, 74.
Ropes and Pulleys, 296.
Ropes, Safety, 251.
Ropes, Steel Wire, 246.
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