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50 (L) — 1939-1940

S.G. Coal Washing, 193.

Safety Barriers, 255, 272.

Safety Organisation, 1, 5, 60, 73.

Scholarships and Exhibitions, 50, 52, 117, 183.

Scotland Division Report, 145.

Scuftings, 130.

Shaft Bottom Supports, 144.

Shaft Cable Calculation, 286.

Shaft Pillars, 176.

Shafts Compared, 300.

Shafts, Position, 80.

Sheathed Explosives, 127.

Shot-firing, 93, 100, 135, 142, 173, 397.

Shot-firing Cables, 4.

Shot-firing, Dust and Smoke, 281.

Siberia, Coal Production, 67.

Side Falls, 133, 211.

Siliceous Dust, 416.

Silicosis, 17, 53, 177, 179, 248, 312.

Sinking Details, 383.

Sinking through Disturbed Strata, 128.

Siphons, 12.

Slip Cleavage, 227.

Sparks, Ignition by, 160.

Spoilbanks, Notes on, 108.

Spontaneous Combustion, 6, 35, 190, 205.

Standards of Ventilation, 26.

Steam and Air Control, 208.

Steam Boiler Plant, 212.

Steam Distribution, 255.

Steam Winding, Electric, Change-over, 406.

Steam-raising Plant, 245.

Steel Propping Pointers, 396.

Steel Supports, 25, 228, 261.

Stone-dusting Appliances, 187.

Stoppings to Prevent Explosions, 321.

Storage Batteries, 252.

Stowing, Indian Methods, 186, 264.

Strata Movements, 139.

Subsidence, 223.

Substitutes for Explosives, 63.

Supports, Scottish Report, 56.

Supports, War-time, 260, 335.

Surveying and Levelling, 24, 201, 312, 328, 342, 374, 376.

Surveying Calculations, 144.

Surveying, Land and Mine, 8, 22, 38, 54, 70, 88, 102, 118, 134, 152, 166, 182, 198, 216, 232, 248, 262, 278, 294, 312, 328, 342, 353, 374, 392.

Surveyors' Examination Notes, 66, 330.

Surveyors' Institute, 21.

Swansea Division Report, 36.

Sylvester Prop, 229.