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44 (XLIV) — 1933-1934
H.P. Calculation, 62.
Haigh Cannel, 145.
Hailwood Combustion Tube Lamp, 140.
Hand Lamp Bulbs, 4-volt, 209.
Harmful Dust, Action of, 405.
Harmless, Rendering Coal Dust, 127.
Hartley Main Equipment, 36.
Haulage Accidents, 45, 118, 138, 147.
Haulage Arrangements, 118, 174.
Haulage Calculations, 268, 279, 300.
Haulage Clip, 44.
Haulage Engine Power, 158.
Haulage Safety Devices, 130, 142.
Haulage Systems, 94, 222, 251, 279.
Headlam-Morley, I. and S. Secretary, 135.
Heat Losses, 175.
Heroism, Recognition, 163, 167, 279, 316.
High C.P. Lamps, 154, 320, 330.
Hirst Patent Stirrer, 402.
Hirst, G. H., M.P. for Wentworth, 156.
Horses in Mines, 275.
House, Questions in, 1, 24, 163.
Hydraulic Coal Burster, 324.
Hydraulic Transportation of Coal, 309.
Hydraulic Wedge and Picks, 200.
Hydrogenation, 120, 232.
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