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Absorption of methane and other gases by coal
Effects of moisture on the spontaneous heating of stored coal
The diffusion of oxygen through stored coal
The tars distilled from bituminous coal in hand-fired furnaces
New views of the combustion of the volatile matter in coal
Use of stenches as a warning in mines
Permeation of oxygen breathing apparatus by gases and vapors
Intensities of odors and irritating effects of warning agents for inflammable and poisonous gases