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39 (XXXIX) — 1928-1929

Radiation and Conduction of Heat, 194.

Radium, Discoverer of, 387.

Rails, Length on Curve, 135.

Rails, Method of Laying, 365.

Raw Coal Burning, 220.

Record, Snowdown, 133.

Reflection and Reflectors, 282.

Refraction and Plate Refractors, 298.

Reinforced Concrete Dam, 194.

Relief Societies, 161, 225, 300, 331, 369.

Re-opening Section of Seam, 79.

Reports, Inspectors, 130, 148, 170, 178, 202, 216.

Rescue Work, 44, 49, 68, 75, 88, 107, 113.

Research at Sheffield, 40, 106, 108.

Research Institute Proposed, 107.

Research, French Co-operation, 99.

Research, Mining, 187.

Research, Safety of Mines, 106, 154, 249.

Resection, Graphical, 119.

Restoring Ventilation, 15.

Results, Examination, 20, 227.

Reversing Air-current, 175.

Reviews, 120, 151, 196, 252, 305.

Roadway, Setting Out, 298.

Roadways in Mines, 383.

Roadways, Repairing, 208.

Rocky Mountains, Origin, 75.

Rods, Drill, 128.

Roof Control, 165, 200, 260, 274, 290.

Roof Stresses, 283.

Rope Capels, 109.

Rope Stresses, 258.

Ropes, Chains and Capels, 68, 88.

Ropes, Live Loads on, 358, 378, 386, 409.

Ropes, Steel Wire, 62.

Ropes, Tru-lay, 116.

Rotherham College, 197.

Round the Table, 8, 22, 34, 50, 66, 86, 98, 118, 134, 146, 162, 186, 194, 211, 230, 244, 258, 282, 298, 310, 326, 338, 354, 370, 390.

Royalty, Mineral, 311.

Royalty, Proving, 415.