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45 (XLV) — 1934-1935
Railway Cutting Computations, 338.
Rand, Deep Mining, 22.
Rectangular Co-ordinates, 43.
Regular and Irregular Polygons, 100.
Regulation of Output, 224.
Regulator, 366.
Relief Societies, 53, 165, 330, 341, 395.
Relighting Safety-lamps, 413.
Report on Examinations, 50, 164, 186, 280, 378, 388, 404.
Report, 1933, Secretary for Mines, 81.
Report, Colliery Staff, 334.
Report, S.M.R.B., 36, 54.
Rescue Apparatus, Factors Governing, 367.
Rescue Regulations, 375.
Rescue Work, 71, 80, 98, 114, 130, 146, 166, 200, 214, 225, 242, 258, 278, 289, 311, 328, 342, 354, 365, 367, 369, 390.
Research Work at Sheffield, 218.
Research Work Notes, 168, 183.
Research, Aims and Progress, 322.
Researches, Coalfield, 54.
Resistance of a Mine, 70.
Resources, Survey of, 103.
Respiration, 114, 130.
Results, Examination, 20, 248.
Retreating Longwall, 343, 362.
Risk, Assessment, 122.
Risk, Shot-firing, Avoidance of, 347.
Road Maintenance, Improve, 98.
Roadhead Support, 104.
Roads in Shaft Pillar, 161.
Roads of Standard Width, 195.
Rocks, Coal Measure, 219.
Roof Cantilever, 87.
Roof Control, Steel Props and, 344.
Roof Falls, 49.
Roof Fracture in Bords, 407.
Roof Stresses, 69.
Roof Supports, 54, 74, 96, 109, 141, 213.
Roof Weight, Variable, 102.
Rota System, 56.
Rotherham Breathing Apparatus, 289.
Rules, Shot-firing, 236.
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