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58 (LVIII) — 1947-1948

S.M.R.B. 25th Annual Report, 240.

Sampling Mine Air, 192.

Samson Stripping Machine, 282.

Saturated and Superheated Steam, 81.

Scales of Mine Plans, 131.

Scotland Win Mitchell-Hedges Trophy, 234.

Scotland, Coalfields of, 218, 231, 242.

Scraper Conveyor, 74, 97.

Sealing Gland, 65.

Seam, Section of, 35.

Sensible Heat, 35.

Shaft Sinking, 312.

Shaker Conveyor, 74.

Sheffield University Mining Society, 101, 192, 206.

Shelton Loader, 112.

Shortwall Coal-cutter, 102, 103.

Shot-firing, 214, 247.

Shot-firing, Second Report of Committee on, 308.

Sill, 310.

Simple Electrical Machines, 126.

Sinking Pump, 79.

Siphon, 34, 150.

Slide Valve, 166.

Slurry Tank, Capacity of, 132.

Slusher or Scraper Loader, 179.

Smoke from Waste, 9.

Solar Observations for Azimuth, 196.

Somerset and Gloucester Coalfields, 137.

South Staffordshire Coalfield, 185.

South Wales Coalfield, 100, 113, 121.

South Western Society of Mining Engineers, 197.

Specific Gravity, Solids and Liquids, 46, 57, 93.

Specific Resistance, 28, 165.

Spindle, Diameter of, 33.

Spoil Heap Fires, 198, 205.

Spontaneous Combustion, 248, 257, 268, 281, 294.

Spreader Stokers in U.S.A., 127.

Spur Wheels, Power Transmission by, 14.

Starting Tunnel, 21.

Steam Generation, 47.

Steam Pipes, Expansion, 166.

Steam Pipes, Thickness, 155.

Steam Plant, 227.

Steam Pressure, 155.

Steam Turbine Lubrication, 293.

Stephenson Link Motion, 166.

Stone Drifting, 167.

Stones, Building and-Roadmaking, 279.

Stoppings, Building of, 303.

Storage of Coal, 223.

Stripping on Longwall Faces, 265, 282, 292, 301.

Study of Minerals, 298, 305.

Subdivision of Coal Measures by Fossil Plants, 169.

Successful Competitor, 37.

Support of Beams, 140.

Support of Roof and Sides Memorandum, 168.

Support of Working Faces, 151.

Supporting Longwall Face, 10.

Surface and Underground Surveys, Correlation of, 207.

Surface Fires, 181.

Survey, Fast-needle, 22.

Survey, Underground, 23.

Surveying and Levelling, 6, 16, 26, 43, 50, 66, 73, 85, 98, 128, 133, 148, 162, 170, 188, 196, 207, 219, 241, 260, 266, 283, 291, 306.