Back Ripping, 311.
Barnsley Main Colliery Explosion, 187.
Bearing and Gradient, Setting-off to, 274.
Belt Conveyors, 88, 220, 234, 244, 298.
Belts, Power Transmission by, 3.
Bitumen Insulated Cables, 64.
Boiler, Efficiency of, 59.
Book Reviews, 36, 48, 56, 101, 124, 161, 185, 197, 245, 273.
Boreholes, Use of, 56.
Bottom Belt Conveyors, 244.
British Coal-face Mechanisation, Developments, 90.
British Thermal Unit, 47.
Burngrange Mine Explosion and Eire, 125.
Burnley and District Mining Society, 84, 110.