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MINE GASES AND DUST
Miners CrampSoreness of Eyes produced by SweatingFood Require
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adiabatic afterdamp air current air temperature air velocity amount anemometer apparatus atmosphere barometric pressure blackdamp body temperature Boyle's law breathing calories carbon cause cent coal face coal mines Colliery combustion compressed air constant cooling power Cubic centimetres cubic feet cubic foot density determined dew point diameter drilling dry air dry bulb effect equation evaporation experiments feet per minute firedamp flame gaseous gases gives glass tube gram Haldane humidity hygrometer inches increase inflammation Inst instrument intake Kata konimeter lower limit lungs means mercury methane metres miners Mining Engs mixture molecules nitrogen normal obtained oxidation oxygen partial pressure perature percentage saturation phthisis physiological poisoning present produced quantity respiration rock sample shaft shown silicosis specific heat square stone-dust strata surface sweat taken thermometer Trans vane vapour pressure ventilation volume of air water vapour weight wet bulb wet Kata wet-bulb temperature Wheeler