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49 (XLIX) — 1938-1939

A.C. Starters, 178.

Accident Proneness, 403.

Accident Rates, 258.

Accidents in 1937, 114.

Accidents in Mines, 1, 41, 67, 122, 155, 186, 212, 248, 277, 330, 347.

Accidents, Instruction and, 21, 261, 338.

Active Carbon from Coal, 85.

Adiabatic Temperatures, 2.

Adults, Training, 71, 75, 403.

African Coal Dust Samples, 232.

Aged Miners' Homes, 244.

Air Flow in Mines, 199.

Air Flow in Pipes, 17.

Air Leakage, 335, 337.

Air Measurements, 76, 109.

Air Picks, 299.

Air Raids, Precautions, 10, 395.

Air Splitting, 237.

Air, Firedamp and, 127.

Air, Mine, 50, 242, 274.

Air, Weight of, 398.

Air-crossing, 157.

Airways, Large, 121.

Aluminium, 409.

Amalgamations, 291, 372, 411.

Ambulance Competitions, 165, 355, 371, 407.

Ammonia, Its Compounds, 325.

Analysis of Coal, Proximate, 70.

Apparatus, Rescue, 13, 35, 276, 302.

Appointments, 149, 181, 213, 304, 356.

Arbitration, Shot-fixers, 185.

Area and Perimeter, 206.

Area of Coal, 16.

Asbestos, 181.

Assay, Freeman, 60.

Atmosphere, 47.

Australia, S., Mining, 137.

Australia's Mechanised Colliery, 73.

Auxiliary Ventilation, 97, 234.

Axial Fans, 229.