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59 (LIX) — 1948-1949

Safety in Mines Research 26th Annual Report, 296, 306.

Safety-lamps, 186, 272, 293.

Salvus ½-hour S.C. Breathing Apparatus, 291.

Sandstones and Siltstones, 171.

Scientific Advisory Council, 19.

Section Across Fault, 98.

Section of Seam, 92.

Section of Surface, 98.

Sectional Levelling, 18, 38, 126.

Separation Door, 233.

Sequence of Strata, 197.

Setting Off Drift, 19.

Shaft Pillar, Finding Dimensions, 251.

Shaft Sinking, 12, 77, 211, 229, 246, 260, 270, 282, 294, 304.

Shaft, Measuring Depth, 127.

Shafts, Circular, 294, 304.

Shafts, Forms and Size, 229.

Shafts, Strength of, 184.

Shales, 187.

Shear Stress and Strain, 162.

Sheffield University Mining Society, 108, 264.

Shot-firing, 8, 178, 188, 213, 217.

Shotton Low Carriage Train, 100.

Signalling on Haulage Roads, 202.

Silksworth Colliery Re-organisation, 7.

Silverwood Colliery Rescue Workers, 176.

Sinking Locations, 77, 87.

Sinking Rectangular Shafts, 246, 260, 270, 282.

Sinking Shaft, Selection of Site, 217.

Skip Winding, 6, 108.

Slant, Length of, 258.

Slurry Settling Tank, 91.

Smoke Helmets, 243.

Solid, Volume of, 309.

Spirit Level and Straight-edge, 183.

Spring Balance, 134.

Square and Equivalent Triangle, 39.

Squirrel Cage Induction Motors, 8, 13, 14.

Stalls, Driving, 154.

Stalls, Width of, 153.

Staple Pit, 94.

Statistical Digest (1946 and 1947), 144.

Steam Engine, H.P. of, 262.

Steam Pipe, Expansion of, 297.

Steam, Heat in, 275.

Stoppings, 69, 272.

Storage Battery Locomotive, 25.

Stowing of Waste, 216.

Strength of Stmts, 244.

Stress and Strain, 150.

Structures, Forces in, 290.

Strut Testing Apparatus, 244.

Subsidence, 80, 156, 158, 265.

Successful Competitor, 40.

Sulphuretted Hydrogen, 255.

Sump, Emptying, 251.

Survey Marks on Underground Roadways, 160.

Surveying and Levelling, 1, 18, 30, 38, 51, 64, 80, 91, 98, 114, 126, 146, 160, 172, 182, 194, 206, 219, 234, 241, 258, 265, 278, 289, 302.

Surveying Problems, 1, 8, 30, 34, 35, 38, 47, 51, 64, 70, 80, 91, 98, 114, 126, 130, 136, 146, 160, 168, 172, 182, 194, 206, 219, 234, 241, 258, 265, 278, 286, 289, 302.

Switchgear Panel, Typical, 49.

Synchronous Motors, 40.