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40 (XL) — 1929-1930

Sadler, Alderman, Appointment, 32.

Safety Attachments, Winding, 238.

Safety Cages, 238.

Safety, Methods and, 233.

Safety-lamps, 41, 198, 199, 254.

Saltcoats Miners' Home, 377.

Salts Lost by Sweating, 1.

Sampling Road Dust, 40.

Samuel, H. W., Barrister, 359.

Scholarships, Welfare, 171, 361, 405.

Science in Simple Terms, 177.

Scraper Loading, 264.

Secondary Cells, 186.

Section, Area of, 366.

Section, Coalfield, 95.

Severn, Coal Under, 89.

Shaft Accidents, 21.

Shaft Linings, 230.

Shaft Pillars, 207.

Shaft Sides, Supporting, 45.

Shafts, Water in, 40.

Shipments, Coal, 21, 89, 216, 296.

Shot-firing, 28, 43, 106, 118, 206.

Signalling in Shafts, 116.

Silicitization Process, 230.

Silicosis Miners', 296, 313, 321.

Silverwood's Record, 233.

Single Rope Haulage, 222.

Sinking Plant, 223.

Sinking Regulations, 365.

Siphon, Principle of, 210, 397.

Sirocco Fan, 127.

Smith, Herbert, Resigns, 153.

Smoke Abatement, 87, 245.

Smoke Helmets, 303.

Smokeless Fuel, 112.

South Africa, Accidents, 87.

South Africa, Coal, 357.

Spa in Mine, 407.

Sparks, Production, 72.

Spontaneous Combustion, 54, 74, 146, 148, 213, 367.

Square Root, 83.

Stanfield, Prof., Retires, 12.

Statistical Comparison, 315.

Steam Boilers, 271.

Steam-raising Plant, 159.

Steel Props, 57, 129, 171, 194, 269, 298, 312, 315, 330, 353, 360.

Steel v. Wooden Props, 124.

Stewart, Prof., Appointment, 153.

Stone-dusting, 2, 27, 129, 142.

Stop Blocks, 60.

Straker, William, 396.

Strata Pressure and Mining, 221.

Stretcher, Collapsible, 295.

Subsidence, 138.

Sun Baths, Miners, 360.

Survey, Triangulation, 15.

Survey, Ventilation, 144.

Surveying, Instruments, 10.

Surveyors' Examination Notes, 55, 252.