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48 (XLVIII) — 1937-1938

Safety Alphabet, 108.

Safety and Economy, 326, 339, 341.

Safety Barriers, 62.

Safety Couplets, 165.

Safety Drive, 136.

Safety Precautions, 333.

Safety-lamp Accidents, 413.

Salt, Importance, 299.

Scales, Map, 16.

Scholarships, Welfare, 1, 71, 149.

Science for Young Miners, 2, 18, 34, 52, 73, 89, 97, 114, 134, 152, 166.

Shaft Cables, 30.

Shaft Sinking, 350.

Sheathed Explosives, 42, 259.

Shot-firing, 10, 20, 42, 93, 167, 203, 209, 215, 230, 291, 301.

Shot-firing, Alternatives, 20, 42.

Shot-holes, 318.

Signalling System, 158.

Silicosis Problems, 5, 102, 115, 123, 179, 321, 375.

Simultaneous Shot-firing, 93.

Sinking Difficulties, 143.

Size of Pumps, 38.

Smoke Problem, 325.

Sparks and Explosions, 113.

Splits, Parallel, 336.

Spontaneous Combustion, 68, 78, 109, 351, 378.

Spragging, 296.

Spraying, Coal, 249.

Steam Accumulators, 308.

Steam Plant, 79, 349.

Steam Raising, 335.

Steel Making Symposium, 324.

Steel Supports, 146.

Stemming, Dry, 235.

Stockings Seam, 363.

Story of Coal, 372.

Stowing Problem, 116, 133.

Subsidence, 207.

Successful Competitor, 39.

Superheated Steam Plant, 96.

Surface Measurements, 368.

Surface Plant, 63.

Surveying Problem, 53.

Surveying Steep Seams, 202.

Surveyors before Commission, 11.

Swinging-arm Photometer, 338.