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40 (XL) — 1929-1930
H.P. of Engines, 78.
Hartley, W. E. T., Honoured, 81.
Harvest Festival Decorations, 104.
Haslam, S. B., Medallist, 363.
Haulage Accidents, 21, 214.
Haulage Clips, 62.
Haulage Engine, 142.
Haulage Methods, 108, 222, 287.
Haulage Signalling, 390.
Hay, A. L., Note on, 211.
Haydock Disaster, 261, 281.
Heading, Ventilating, 268.
Heanor, Institute, 378.
Heating Effects, Current, 235.
Herd, Walter, Death, 81.
Home Consumption of Coal, 43.
Hot Mine Conditions, 1.
Houfton, Sir J. P., Death, 153.
Hours, Miners, 185.
House Discusses Accidents, 136.
Houses for Miners, 58.
Hydraulics, 187, 203, 220, 234, 250, 261, 282, 286, 292.
Hydrogenation of Coal, 54, 340.
Hygiene on the Rand, 323.
Hygrometers, 237.
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