Two papers recently published on the subject of mine ventilation: "The Theory of Ventilation," by Douglas Hay. and "The True Effect of Natural Ventilation in Deep Mines," by Robert Clive, form the first and second reports respectively of the committee on the Ventilation of Mines appointed by the Midland Institute of Mining Engineers.
Keywords: Air, Coal mine, coal mines, coefficient of friction, cubic feet per minute, District Inspector of Mines, natural ventilation, Robert Clive, flow, Mine, Mines, Pressure, Resistance, Ventilation
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