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56 (LVI) — 1945-1946

S.M.R.B. 23rd Annual Report, 152.

Safety Badges, Presentation, 99.

Safety-lamp, Flame, 122.

Safety-lamps, Lighting Efficiency of, 233.

Scaffold for Sinking Shaft, 144.

Screen Analysis of Coal, 273.

Searching Persons Below Ground, 142.

Sectional Levelling, 294.

Self-acting Incline, Precautions in Fitting, 56.

Semi-longwall Retreating Faces, 17.

Sensible and Latent Heat, 48.

Sensitive Recording Draught Gauges, 114.

Seventeenth Century Mining, 185.

Shaking or Jigging Conveyors, 97.

Sheathed Powder Cartridge, 83.

Shot-firers, Training of, 231.

Shot-firing, Circuit, 243.

Shot-firing, Routine, 260.

Shot-hole, Stemming, 178.

Shot-holes on Longwall Face, Drilling, 274.

Signalling on Haulage Road, 24.

Siliceous Rocks, 235.

Simultaneous Equations, 8.

Skip and Cage Winding, Merits of, 102.

Skip Winding, 240.

Solids, Volume of, 210.

South Staffs and Warwickshire Institute of Mining Engineers, 100.

South Wales Coalfield, Survey, 249.

South Wales, Survey of Airborne Dust Conditions, 16.

Speed of Haulage, Controlling, 191.

Sphere, Properties of the, 265.

Splitting Air-current, Advantages, 62, 207.

Spontaneous Combustion, Notes on, 109, 126.

Spontaneous Heating, 65, 304.

Standard Pensky-Martens Closed Tester, 96.

Steam Boiler Pressure, 213.

Steam Boiler Safety-valves, 12.

Steel Props, Withdrawing, 84.

Stone Dust, Dealing with, 252.

Straight Edge and Set Squares, Use of, 266.

Stratification, Lamination, etc., 166.

Structural and Field Geology, 246.

Successful Competitor, 36.

Sunds, 50.

Sunlight Tests at Colliery, 297.

Support at Road Heads, 50.

Supporting Roof and Sides of Longwall Face, 33.

Surveying Problems, 2, 13, 25, 44, 54, 64, 78, 87, 104, 114, 122, 134, 146, 162, 176, 188, 195, 210, 222, 229, 242, 254, 265, 277, 294.

Syphon, 70.