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38 (XXXVIII) — 1927-1928
Ignition, Gases, by Hot Wires, 88.
Impinger Method, Dust Sampling, 133.
Incline, Hauling Up, 44.
Inclined Plain, Motion on, 100.
Inclined Roads, Natural Ventilation, 198.
Increasing Output, 109.
India, Coal Mining, 107, 232.
Indiana Coal, 345.
India's Resources, 51.
Industry, Transport and, 138.
In-situ Theory, 207.
Inspectors' Reports, 92, 104, 120, 133, 152, 161.
Internal Combustion Engine, 352.
Inundations, Precautions, 30.
Investigating Explosion, 112.
Iron and Steel Institute, 51.
Iron and Steel Plant's Fuel, 24.
Iron Ore Output, 10, 60, 71, 122, 263, 400.
Iron, Meteoric, 333.
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